File Manager

Editing File: /usr/local/cpanel/3rdparty/share/cpanel-wp-cli/wp-cli.phar

#!/usr/bin/env php
<?php
Phar::mapPhar();
include 'phar://wp-cli.phar/php/boot-phar.php';
__HALT_COMPILER(); ?>
WZ����������wp-cli.phar����(���vendor/wp-cli/wp-cli/php/config-spec.phpå��vC\å��qêÖõ´������"���vendor/wp-cli/wp-cli/php/utils.phpç¥��vC\ç¥��ª‰Í¥´������'���vendor/wp-cli/wp-cli/php/dispatcher.phpQ��vC\Q��¢!‘´������$���vendor/wp-cli/wp-cli/php/boot-fs.php’��vC\’��ûµAä´������6���vendor/wp-cli/wp-cli/php/WP_CLI/WpHttpCacheManager.phpn��vC\n��ž\âÃ´������*���vendor/wp-cli/wp-cli/php/WP_CLI/Runner.php@È��vC\@È���Nn´������<���vendor/wp-cli/wp-cli/php/WP_CLI/Bootstrap/RunnerInstance.phpŒ��vC\Œ��Ä{è´������H���vendor/wp-cli/wp-cli/php/WP_CLI/Bootstrap/DeclareAbstractBaseCommand.phpA��vC\A��¯@<@´������E���vendor/wp-cli/wp-cli/php/WP_CLI/Bootstrap/DefineProtectedCommands.phpì��vC\ì��Ù¶Xw´������G���vendor/wp-cli/wp-cli/php/WP_CLI/Bootstrap/IncludeFallbackAutoloader.php®��vC\®��½¢¤\´������B���vendor/wp-cli/wp-cli/php/WP_CLI/Bootstrap/LoadUtilityFunctions.php)��vC\)��TYMÝ´������H���vendor/wp-cli/wp-cli/php/WP_CLI/Bootstrap/IncludeFrameworkAutoloader.php��vC\��!‘´������<���vendor/wp-cli/wp-cli/php/WP_CLI/Bootstrap/AutoloaderStep.php	��vC\	��¸ðó•´������<���vendor/wp-cli/wp-cli/php/WP_CLI/Bootstrap/LoadDispatcher.php5��vC\5��U Û4´������:���vendor/wp-cli/wp-cli/php/WP_CLI/Bootstrap/LaunchRunner.php(��vC\(��°zÜ\´������F���vendor/wp-cli/wp-cli/php/WP_CLI/Bootstrap/RegisterDeferredCommands.php{��vC\{��hìs•´������>���vendor/wp-cli/wp-cli/php/WP_CLI/Bootstrap/InitializeLogger.php��vC\��(mýJ´������A���vendor/wp-cli/wp-cli/php/WP_CLI/Bootstrap/LoadRequiredCommand.php§��vC\§�� ’#¬´������>���vendor/wp-cli/wp-cli/php/WP_CLI/Bootstrap/DeclareMainClass.php��vC\��·Tj´������G���vendor/wp-cli/wp-cli/php/WP_CLI/Bootstrap/RegisterFrameworkCommands.php8��vC\8��PxO´������D���vendor/wp-cli/wp-cli/php/WP_CLI/Bootstrap/InitializeColorization.phpL��vC\L��¤Ø'=´������F���vendor/wp-cli/wp-cli/php/WP_CLI/Bootstrap/IncludePackageAutoloader.phpü��vC\ü��ÿwºÿ´������<���vendor/wp-cli/wp-cli/php/WP_CLI/Bootstrap/BootstrapState.phpÄ��vC\Ä��(ù˜5´������=���vendor/wp-cli/wp-cli/php/WP_CLI/Bootstrap/ConfigureRunner.php5��vC\5��‰ß¶-´������;���vendor/wp-cli/wp-cli/php/WP_CLI/Bootstrap/BootstrapStep.phpÇ��vC\Ç��A7/´������(���vendor/wp-cli/wp-cli/php/WP_CLI/NoOp.phpÝ���vC\Ý���DÊ1´������-���vendor/wp-cli/wp-cli/php/WP_CLI/FileCache.phpâ��vC\â��¹T&ã´������1���vendor/wp-cli/wp-cli/php/WP_CLI/Fetchers/Base.phpñ��vC\ñ��y�9¸´������-���vendor/wp-cli/wp-cli/php/WP_CLI/DocParser.php)��vC\)��®M_´������-���vendor/wp-cli/wp-cli/php/WP_CLI/Formatter.php%��vC\%��v÷ù´������.���vendor/wp-cli/wp-cli/php/WP_CLI/ProcessRun.phpâ��vC\â��«(Š~´������A���vendor/wp-cli/wp-cli/php/WP_CLI/PackageManagerEventSubscriber.php��vC\��,ð^´������3���vendor/wp-cli/wp-cli/php/WP_CLI/Loggers/Regular.php
��vC\
��Òö¨ÿ´������1���vendor/wp-cli/wp-cli/php/WP_CLI/Loggers/Quiet.php‘��vC\‘��k›‘´������0���vendor/wp-cli/wp-cli/php/WP_CLI/Loggers/Base.php-��vC\-��èÅ¯Í´������5���vendor/wp-cli/wp-cli/php/WP_CLI/Loggers/Execution.phpà��vC\à��ù&ì´������0���vendor/wp-cli/wp-cli/php/WP_CLI/UpgraderSkin.phpO��vC\O��ÝèÞ´������/���vendor/wp-cli/wp-cli/php/WP_CLI/Completions.phpÛ��vC\Û��ÚS¤´������.���vendor/wp-cli/wp-cli/php/WP_CLI/Autoloader.phpK��vC\K��¹vç´������>���vendor/wp-cli/wp-cli/php/WP_CLI/Dispatcher/CommandAddition.php#��vC\#��Ïèº›´������?���vendor/wp-cli/wp-cli/php/WP_CLI/Dispatcher/CommandNamespace.php´��vC\´��¬zü´������?���vendor/wp-cli/wp-cli/php/WP_CLI/Dispatcher/CompositeCommand.phpr��vC\r��V©À�´������=���vendor/wp-cli/wp-cli/php/WP_CLI/Dispatcher/CommandFactory.phpN!��vC\N!��¦ {ó´������:���vendor/wp-cli/wp-cli/php/WP_CLI/Dispatcher/RootCommand.php_��vC\_��®×¦Ê´������9���vendor/wp-cli/wp-cli/php/WP_CLI/Dispatcher/Subcommand.php�1��vC\�1��pÊ}¿´������2���vendor/wp-cli/wp-cli/php/WP_CLI/SynopsisParser.php��vC\��èxM…´������1���vendor/wp-cli/wp-cli/php/WP_CLI/ExitException.phpD���vC\D���ês/ß´������5���vendor/wp-cli/wp-cli/php/WP_CLI/SynopsisValidator.php0��vC\0��Å†Ó¯´������0���vendor/wp-cli/wp-cli/php/WP_CLI/Configurator.phpò%��vC\ò%��¼è_´������.���vendor/wp-cli/wp-cli/php/WP_CLI/ComposerIO.php��vC\��²Þáï´������+���vendor/wp-cli/wp-cli/php/WP_CLI/Process.phpÄ��vC\Ä��Ú	j´������-���vendor/wp-cli/wp-cli/php/WP_CLI/Inflector.php&@��vC\&@��!ÉÇ´������-���vendor/wp-cli/wp-cli/php/WP_CLI/Extractor.php÷��vC\÷��]LÄ´������3���vendor/wp-cli/wp-cli/php/WP_CLI/Iterators/Query.php��vC\��Bd´������7���vendor/wp-cli/wp-cli/php/WP_CLI/Iterators/Transform.php¶��vC\¶��ÙÄ¿¾´������3���vendor/wp-cli/wp-cli/php/WP_CLI/Iterators/Table.php}
��vC\}
��ï[Aè´������7���vendor/wp-cli/wp-cli/php/WP_CLI/Iterators/Exception.phpR���vC\R���ÒYµ7´������1���vendor/wp-cli/wp-cli/php/WP_CLI/Iterators/CSV.php��vC\��®Š–´������&���vendor/wp-cli/wp-cli/php/bootstrap.php��vC\��ö² ´������#���vendor/wp-cli/wp-cli/php/wp-cli.phpï��vC\ï��6Ä?´������*���vendor/wp-cli/wp-cli/php/commands/help.php”���vC\”���lD³´������)���vendor/wp-cli/wp-cli/php/commands/cli.php2��vC\2��•Ãª˜´������6���vendor/wp-cli/wp-cli/php/commands/src/Help_Command.php��vC\��Ï{Œ´������;���vendor/wp-cli/wp-cli/php/commands/src/CLI_Cache_Command.phpµ��vC\µ��»ü6´������5���vendor/wp-cli/wp-cli/php/commands/src/CLI_Command.phpÜN��vC\ÜN��UÙ Ä´������1���vendor/wp-cli/wp-cli/php/class-wp-cli-command.php���vC\���É*Ãú´������,���vendor/wp-cli/wp-cli/php/wp-settings-cli.php»>��vC\»>��Ÿð'ˆ´������)���vendor/wp-cli/wp-cli/php/class-wp-cli.php®›��vC\®›��‰ýáõ´������%���vendor/wp-cli/wp-cli/php/utils-wp.phpO-��vC\O-��èiZ>´���������php/boot-phar.php9��vC\9��Y½s´������0���vendor/mustache/mustache/bin/build_bootstrap.php;��vC\;��ÀÏú´������3���vendor/mustache/mustache/src/Mustache/Tokenizer.phpú)��vC\ú)��–	´������=���vendor/mustache/mustache/src/Mustache/Logger/StreamLogger.php¹��vC\¹��¶‹ýJ´������?���vendor/mustache/mustache/src/Mustache/Logger/AbstractLogger.phpv��vC\v��nåY6´������0���vendor/mustache/mustache/src/Mustache/Logger.php$
��vC\$
��÷@Y9´������6���vendor/mustache/mustache/src/Mustache/LambdaHelper.phpÜ��vC\Ü��ŠpÕ´������0���vendor/mustache/mustache/src/Mustache/Parser.phpx*��vC\x*��æÃ{´������4���vendor/mustache/mustache/src/Mustache/Autoloader.php��vC\��=c«Ö´������@���vendor/mustache/mustache/src/Mustache/Loader/CascadingLoader.phpú��vC\ú��å©´������>���vendor/mustache/mustache/src/Mustache/Loader/MutableLoader.php°��vC\°��á¸Ïg´������=���vendor/mustache/mustache/src/Mustache/Loader/InlineLoader.phpî��vC\î��\‰	á´������=���vendor/mustache/mustache/src/Mustache/Loader/StringLoader.phpÐ��vC\Ð��<%¡´������A���vendor/mustache/mustache/src/Mustache/Loader/FilesystemLoader.phpÓ��vC\Ó��L$yŸ´������K���vendor/mustache/mustache/src/Mustache/Loader/ProductionFilesystemLoader.phpf��vC\f��‹±´������<���vendor/mustache/mustache/src/Mustache/Loader/ArrayLoader.phpã��vC\ã��Û!“´������?���vendor/mustache/mustache/src/Mustache/Cache/FilesystemCache.phph��vC\h��(}4´������9���vendor/mustache/mustache/src/Mustache/Cache/NoopCache.phpA��vC\A��”ˆŽÙ´������=���vendor/mustache/mustache/src/Mustache/Cache/AbstractCache.phpá��vC\á��Vß€Û´������1���vendor/mustache/mustache/src/Mustache/Context.phpñ��vC\ñ��þD´������2���vendor/mustache/mustache/src/Mustache/Template.php‹��vC\‹��8©´������0���vendor/mustache/mustache/src/Mustache/Engine.phpøc��vC\øc��ØR¼÷´������2���vendor/mustache/mustache/src/Mustache/Compiler.php|X��vC\|X��Vsþ‰´������:���vendor/mustache/mustache/src/Mustache/HelperCollection.phpŸ��vC\Ÿ��‡ŽÓ´������/���vendor/mustache/mustache/src/Mustache/Cache.phpÿ��vC\ÿ��%	H
´������3���vendor/mustache/mustache/src/Mustache/Exception.phpR��vC\R��]u·´������0���vendor/mustache/mustache/src/Mustache/Loader.phpB��vC\B��Q€Çy´������0���vendor/mustache/mustache/src/Mustache/Source.php��vC\��b×¶m´������A���vendor/mustache/mustache/src/Mustache/Source/FilesystemSource.phpj��vC\j��À…ý@´������B���vendor/mustache/mustache/src/Mustache/Exception/LogicException.phpƒ��vC\ƒ��Â}A¯´������J���vendor/mustache/mustache/src/Mustache/Exception/UnknownHelperException.phpÅ��vC\Å��ëHÞj´������C���vendor/mustache/mustache/src/Mustache/Exception/SyntaxException.php™��vC\™��ÿNƒš´������J���vendor/mustache/mustache/src/Mustache/Exception/UnknownFilterException.phpÅ��vC\Å��éfýÞ´������L���vendor/mustache/mustache/src/Mustache/Exception/InvalidArgumentException.php¢��vC\¢��¬ØQ´������D���vendor/mustache/mustache/src/Mustache/Exception/RuntimeException.php‰��vC\‰��1]ÐÓ´������L���vendor/mustache/mustache/src/Mustache/Exception/UnknownTemplateException.phpÛ��vC\Û��-¸[�´������2���vendor/rmccue/requests/bin/create_pear_package.php#��vC\#�� !ì¯´������7���vendor/rmccue/requests/library/Requests/IDNAEncoder.php=,��vC\=,��ÁJ´������4���vendor/rmccue/requests/library/Requests/Response.phpÉ	��vC\É	��žÉ9=´������0���vendor/rmccue/requests/library/Requests/IPv6.php?��vC\?��×âÁ´������6���vendor/rmccue/requests/library/Requests/Auth/Basic.php•��vC\•��®çz´������6���vendor/rmccue/requests/library/Requests/Cookie/Jar.phpê��vC\ê��!	Wg´������?���vendor/rmccue/requests/library/Requests/Transport/fsockopen.php”0��vC\”0��¢´������:���vendor/rmccue/requests/library/Requests/Transport/cURL.phpÝ;��vC\Ý;��°8Lß´������1���vendor/rmccue/requests/library/Requests/Hooks.phpw��vC\w��ÁTÖ´������/���vendor/rmccue/requests/library/Requests/IRI.php3o��vC\3o��ÚDÔ´������1���vendor/rmccue/requests/library/Requests/Proxy.php-��vC\-��„´������<���vendor/rmccue/requests/library/Requests/Response/Headers.phpM��vC\M��½~óÍ´������6���vendor/rmccue/requests/library/Requests/Proxy/HTTP.php
��vC\
��Àì÷´������3���vendor/rmccue/requests/library/Requests/Session.phpñ��vC\ñ��¶xÂ´������/���vendor/rmccue/requests/library/Requests/SSL.php¶��vC\¶��Å<o´������5���vendor/rmccue/requests/library/Requests/Transport.phpÄ��vC\Ä��°ûHœ´������2���vendor/rmccue/requests/library/Requests/Hooker.phpÄ��vC\Ä��µÃ©´������0���vendor/rmccue/requests/library/Requests/Auth.php*��vC\*��ÁKÔI´������5���vendor/rmccue/requests/library/Requests/Exception.php��vC\��ÉkdJ´������2���vendor/rmccue/requests/library/Requests/Cookie.php62��vC\62��VJ6x´������M���vendor/rmccue/requests/library/Requests/Utility/CaseInsensitiveDictionary.phpÉ��vC\É��œ±„†´������D���vendor/rmccue/requests/library/Requests/Utility/FilteredIterator.php=��vC\=��??ï™´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/414.php¡��vC\¡��yé¾´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/412.php›��vC\›��RUÙJ´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/401.php†��vC\†��®ž´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/416.php¿��vC\¿��ê1ïá´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/402.php’��vC\’��©ÂU¼´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/503.php›��vC\›��*†·´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/403.php}��vC\}��‚ž^%´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/505.php°��vC\°��öÞ"´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/501.php��vC\��c/å´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/411.php��vC\��ôuIé´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/404.php}��vC\}��ØkÀ´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/305.php~��vC\~��4-O“´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/418.phpÞ��vC\Þ��?±/l´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/428.phpù��vC\ù���Ù’/´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/406.phpŒ��vC\Œ��šÚ*ê´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/413.phpª��vC\ª��6^%´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/306.php‡��vC\‡��MŒo–´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/429.php%��vC\%��]·fn´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/409.phpz��vC\z��š…ç´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/400.phpƒ��vC\ƒ��v´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/417.php˜��vC\˜��;¾õ™´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/502.phpƒ��vC\ƒ��ùÄb²´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/304.php†��vC\†��H9‘´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/405.php˜��vC\˜��¼¤ƒ]´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/408.php��vC\��š&M‡´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/504.php��vC\��mùÍ´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/415.php¤��vC\¤��ÍÌ9´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/407.php¹��vC\¹��bŒiÖ´������B���vendor/rmccue/requests/library/Requests/Exception/HTTP/Unknown.phpc��vC\c��"v¶´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/500.php¡��vC\¡��}l\´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/431.php��vC\��3JÑ´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/511.php��vC\��ö Dà´������>���vendor/rmccue/requests/library/Requests/Exception/HTTP/410.phpn��vC\n��Ç|Z´������D���vendor/rmccue/requests/library/Requests/Exception/Transport/cURL.php–��vC\–��Ô`‰ã´������:���vendor/rmccue/requests/library/Requests/Exception/HTTP.php‹��vC\‹��êSå†´������?���vendor/rmccue/requests/library/Requests/Exception/Transport.phpJ���vC\J���Å9[¡´������+���vendor/rmccue/requests/library/Requests.php^t��vC\^t��D
È?´������"���vendor/composer/autoload_files.phpc��vC\c��»<¡I´������#���vendor/composer/autoload_static.php W��vC\ W��mÕþÀ´������3���vendor/composer/composer/src/Composer/IO/BaseIO.php“��vC\“��wT#´������6���vendor/composer/composer/src/Composer/IO/ConsoleIO.php>'��vC\>'��Ù…Ó´������8���vendor/composer/composer/src/Composer/IO/IOInterface.php4��vC\4��¬úã´������5���vendor/composer/composer/src/Composer/IO/BufferIO.php��vC\��úÛ•´������3���vendor/composer/composer/src/Composer/IO/NullIO.php	��vC\	��Íÿ¾´������=���vendor/composer/composer/src/Composer/SelfUpdate/Versions.php\��vC\\��ñçlù´������9���vendor/composer/composer/src/Composer/SelfUpdate/Keys.phpj��vC\j��ÜïA´������E���vendor/composer/composer/src/Composer/Console/HtmlOutputFormatter.php
��vC\
��¦RÄÜ´������=���vendor/composer/composer/src/Composer/Console/Application.phpL��vC\L��F=e´������R���vendor/composer/composer/src/Composer/EventDispatcher/ScriptExecutionException.php¦��vC\¦��\!'Æ´������R���vendor/composer/composer/src/Composer/EventDispatcher/EventSubscriberInterface.php��vC\��#g´������I���vendor/composer/composer/src/Composer/EventDispatcher/EventDispatcher.phpôT��vC\ôT��>e¸´������?���vendor/composer/composer/src/Composer/EventDispatcher/Event.phpf��vC\f��KxÕ´������F���vendor/composer/composer/src/Composer/Config/ConfigSourceInterface.php¹��vC\¹��õQ¿-´������A���vendor/composer/composer/src/Composer/Config/JsonConfigSource.php' ��vC\' ��#ÄH´������M���vendor/composer/composer/src/Composer/Question/StrictConfirmationQuestion.phpk
��vC\k
��—ö|F´������D���vendor/composer/composer/src/Composer/Autoload/AutoloadGenerator.phpŒ��vC\Œ��?¼´������D���vendor/composer/composer/src/Composer/Autoload/ClassMapGenerator.phpw"��vC\w"��Ü0ô´������>���vendor/composer/composer/src/Composer/Autoload/ClassLoader.php“4��vC\“4��²z–´������7���vendor/composer/composer/src/Composer/XdebugHandler.phpM��vC\M��.ãû´������3���vendor/composer/composer/src/Composer/Installer.phpø�vC\ø�ÙÀþ´������=���vendor/composer/composer/src/Composer/Script/PackageEvent.phpï��vC\ï��”œ¿ò´������6���vendor/composer/composer/src/Composer/Script/Event.phpÐ��vC\Ð��îLøD´������=���vendor/composer/composer/src/Composer/Script/CommandEvent.php ��vC\ ��°ý¦Ç´������=���vendor/composer/composer/src/Composer/Script/ScriptEvents.php«��vC\«��NÍ×¯´������F���vendor/composer/composer/src/Composer/Json/JsonValidationException.phpÀ��vC\À��—”JÈ´������>���vendor/composer/composer/src/Composer/Json/JsonManipulator.phpÆK��vC\ÆK��ÖpÛÃ´������7���vendor/composer/composer/src/Composer/Json/JsonFile.php%��vC\%��¦A Ù´������<���vendor/composer/composer/src/Composer/Json/JsonFormatter.php™��vC\™��™|â¸´������:���vendor/composer/composer/src/Composer/Util/SpdxLicense.php:��vC\:��R–´������5���vendor/composer/composer/src/Composer/Util/GitLab.php¯��vC\¯��2ðD´������9���vendor/composer/composer/src/Composer/Util/Filesystem.php„U��vC\„U��#%»´������7���vendor/composer/composer/src/Composer/Util/Silencer.phpv��vC\v��˜G‰´������;���vendor/composer/composer/src/Composer/Util/ErrorHandler.php	��vC\	��	†÷x´������>���vendor/composer/composer/src/Composer/Util/ProcessExecutor.phpp��vC\p��‰NüÙ´������=���vendor/composer/composer/src/Composer/Util/ComposerMirror.phpû��vC\û��þ¸ÞQ´������7���vendor/composer/composer/src/Composer/Util/Platform.php(
��vC\(
��óR´������8���vendor/composer/composer/src/Composer/Util/Bitbucket.php!��vC\!��Šˆ9´������C���vendor/composer/composer/src/Composer/Util/StreamContextFactory.php±��vC\±��Ì6c´������7���vendor/composer/composer/src/Composer/Util/Perforce.phprC��vC\rC��Ø§?Ø´������2���vendor/composer/composer/src/Composer/Util/Git.phpŽ9��vC\Ž9��ôâ´������8���vendor/composer/composer/src/Composer/Util/IniHelper.php`��vC\`��ÊÈÈX´������2���vendor/composer/composer/src/Composer/Util/Svn.php9'��vC\9'��ç«šÊ´������9���vendor/composer/composer/src/Composer/Util/AuthHelper.phpŸ��vC\Ÿ��ÉFé´������5���vendor/composer/composer/src/Composer/Util/GitHub.php¬��vC\¬��àà™.´������2���vendor/composer/composer/src/Composer/Util/Url.phpX��vC\X��õóùc´������>���vendor/composer/composer/src/Composer/Util/ConfigValidator.phpy��vC\y��_F…´������?���vendor/composer/composer/src/Composer/Util/RemoteFilesystem.phpt°��vC\t°��ÔÜä´������1���vendor/composer/composer/src/Composer/Util/Hg.phpC��vC\C��s’Úê´������8���vendor/composer/composer/src/Composer/Util/TlsHelper.php��vC\��Ž³å†´������=���vendor/composer/composer/src/Composer/Util/NoProxyPattern.phpK��vC\K��–úíC´������L���vendor/composer/composer/src/Composer/DependencyResolver/PolicyInterface.phpê��vC\ê��¿€¸´������H���vendor/composer/composer/src/Composer/DependencyResolver/Transaction.php-��vC\-��È¬ã~´������M���vendor/composer/composer/src/Composer/DependencyResolver/RuleSetGenerator.phpž6��vC\ž6��–B9´������K���vendor/composer/composer/src/Composer/DependencyResolver/RuleWatchGraph.phpå��vC\å��³‘ÿ/´������A���vendor/composer/composer/src/Composer/DependencyResolver/Rule.phpÜ#��vC\Ü#��úËæ´������A���vendor/composer/composer/src/Composer/DependencyResolver/Pool.php‡7��vC\‡7��¯¯;´������H���vendor/composer/composer/src/Composer/DependencyResolver/GenericRule.phpz��vC\z��rpô´������J���vendor/composer/composer/src/Composer/DependencyResolver/RuleWatchNode.phpÜ
��vC\Ü
��±«ù´������D���vendor/composer/composer/src/Composer/DependencyResolver/Problem.phpÉ%��vC\É%��S à	´������F���vendor/composer/composer/src/Composer/DependencyResolver/Decisions.phpg��vC\g��B:üÖ´������C���vendor/composer/composer/src/Composer/DependencyResolver/Solver.phpÉj��vC\Éj��äxr]´������O���vendor/composer/composer/src/Composer/DependencyResolver/SolverBugException.phpþ��vC\þ��¾8|4´������J���vendor/composer/composer/src/Composer/DependencyResolver/DefaultPolicy.phpy$��vC\y$��FhC´������D���vendor/composer/composer/src/Composer/DependencyResolver/RuleSet.php<��vC\<��üµéZ´������D���vendor/composer/composer/src/Composer/DependencyResolver/Request.php¡��vC\¡��ã~6´������K���vendor/composer/composer/src/Composer/DependencyResolver/RuleWatchChain.phpz��vC\z��d]_C´������T���vendor/composer/composer/src/Composer/DependencyResolver/SolverProblemsException.phpÅ
��vC\Å
��ý',´������L���vendor/composer/composer/src/Composer/DependencyResolver/RuleSetIterator.php	��vC\	��’Jc´������W���vendor/composer/composer/src/Composer/DependencyResolver/Operation/InstallOperation.phpK��vC\K��Ò¬Q´������V���vendor/composer/composer/src/Composer/DependencyResolver/Operation/UpdateOperation.php.��vC\.��	%pg´������d���vendor/composer/composer/src/Composer/DependencyResolver/Operation/MarkAliasUninstalledOperation.php÷��vC\÷��ïñx@´������Y���vendor/composer/composer/src/Composer/DependencyResolver/Operation/UninstallOperation.phpS��vC\S��ŠBÉT´������Y���vendor/composer/composer/src/Composer/DependencyResolver/Operation/OperationInterface.php#��vC\#��²uÜ´������V���vendor/composer/composer/src/Composer/DependencyResolver/Operation/SolverOperation.phpü��vC\ü��¿‰ÝŠ´������b���vendor/composer/composer/src/Composer/DependencyResolver/Operation/MarkAliasInstalledOperation.phpñ��vC\ñ��ÆDÇä´������J���vendor/composer/composer/src/Composer/DependencyResolver/Rule2Literals.php¶
��vC\¶
��M‡æÉ´������B���vendor/composer/composer/src/Composer/Package/RootAliasPackage.php=��vC\=��§»6á´������P���vendor/composer/composer/src/Composer/Package/Archiver/ComposerExcludeFilter.phpZ��vC\Z��HInw´������J���vendor/composer/composer/src/Composer/Package/Archiver/HgExcludeFilter.phpò
��vC\ò
��Ò±S´������L���vendor/composer/composer/src/Composer/Package/Archiver/ArchiverInterface.php÷��vC\÷��lØ©ã´������P���vendor/composer/composer/src/Composer/Package/Archiver/ArchivableFilesFilter.phpÞ��vC\Þ��Ô´=´������L���vendor/composer/composer/src/Composer/Package/Archiver/BaseExcludeFilter.php—��vC\—��Óàþx´������F���vendor/composer/composer/src/Composer/Package/Archiver/ZipArchiver.phpÙ��vC\Ù��«§÷´������K���vendor/composer/composer/src/Composer/Package/Archiver/GitExcludeFilter.php9��vC\9��â$žŒ´������I���vendor/composer/composer/src/Composer/Package/Archiver/ArchiveManager.php˜��vC\˜��×Ã?î´������P���vendor/composer/composer/src/Composer/Package/Archiver/ArchivableFilesFinder.phpK��vC\K��I|/´������G���vendor/composer/composer/src/Composer/Package/Archiver/PharArchiver.phpF��vC\F��õL	´������X���vendor/composer/composer/src/Composer/Package/LinkConstraint/LinkConstraintInterface.php¯��vC\¯��£ä‘ž´������R���vendor/composer/composer/src/Composer/Package/LinkConstraint/VersionConstraint.phpš��vC\š��4ŽÝO´������S���vendor/composer/composer/src/Composer/Package/LinkConstraint/SpecificConstraint.php³��vC\³��°×<´������P���vendor/composer/composer/src/Composer/Package/LinkConstraint/EmptyConstraint.phpÉ��vC\É��™3¥´������P���vendor/composer/composer/src/Composer/Package/LinkConstraint/MultiConstraint.phpÉ��vC\É��‘ð[5´������H���vendor/composer/composer/src/Composer/Package/Version/VersionGuesser.php.��vC\.��CŒ±´������G���vendor/composer/composer/src/Composer/Package/Version/VersionParser.php»	��vC\»	��Ö¿¡´������I���vendor/composer/composer/src/Composer/Package/Version/VersionSelector.phpÊ��vC\Ê��FBo'´������B���vendor/composer/composer/src/Composer/Package/PackageInterface.php“#��vC\“#��}'uã´������9���vendor/composer/composer/src/Composer/Package/Package.php1��vC\1��ðìp(´������D���vendor/composer/composer/src/Composer/Package/Dumper/ArrayDumper.php˜��vC\˜��—ŸžG´������P���vendor/composer/composer/src/Composer/Package/Loader/InvalidPackageException.phpé��vC\é��IQªØ´������C���vendor/composer/composer/src/Composer/Package/Loader/JsonLoader.php\��vC\\��›pj´������D���vendor/composer/composer/src/Composer/Package/Loader/ArrayLoader.php‡,��vC\‡,��,"d®´������H���vendor/composer/composer/src/Composer/Package/Loader/LoaderInterface.phpB��vC\B��*ùJ¤´������J���vendor/composer/composer/src/Composer/Package/Loader/RootPackageLoader.phpr#��vC\r#��¾Aý´������N���vendor/composer/composer/src/Composer/Package/Loader/ValidatingArrayLoader.php8N��vC\8N��WQZ¥´������C���vendor/composer/composer/src/Composer/Package/Comparer/Comparer.php4��vC\4��µr=ˆ´������A���vendor/composer/composer/src/Composer/Package/CompletePackage.php:��vC\:��ã"w´������=���vendor/composer/composer/src/Composer/Package/RootPackage.phpD
��vC\D
��×-/´������=���vendor/composer/composer/src/Composer/Package/BasePackage.php™��vC\™��‡ä±	´������>���vendor/composer/composer/src/Composer/Package/AliasPackage.php‡#��vC\‡#��º¢Ø´������8���vendor/composer/composer/src/Composer/Package/Locker.phpi9��vC\i9��¨˜¬´������F���vendor/composer/composer/src/Composer/Package/RootPackageInterface.phpˆ��vC\ˆ��'
Íf´������J���vendor/composer/composer/src/Composer/Package/CompletePackageInterface.phpã��vC\ã��±Èr´������6���vendor/composer/composer/src/Composer/Package/Link.phpÅ��vC\Å��0¶Vê´������2���vendor/composer/composer/src/Composer/Compiler.phpþ'��vC\þ'��¾Æ´������2���vendor/composer/composer/src/Composer/Composer.phpo��vC\o��ÚI§•´������/���vendor/composer/composer/src/Composer/Cache.phpØ��vC\Ø��~§x5´������C���vendor/composer/composer/src/Composer/Command/ClearCacheCommand.php��vC\��‡ÉÅ´������J���vendor/composer/composer/src/Composer/Command/CheckPlatformReqsCommand.php+��vC\+��9Ç'e´������A���vendor/composer/composer/src/Composer/Command/OutdatedCommand.php��vC\��vòÏ´������?���vendor/composer/composer/src/Composer/Command/ConfigCommand.phpFj��vC\Fj��.ÿ7Ú´������=���vendor/composer/composer/src/Composer/Command/InitCommand.php+v��vC\+v��ŒÈV•´������=���vendor/composer/composer/src/Composer/Command/ShowCommand.php%¨��vC\%¨��ç—Öƒ´������@���vendor/composer/composer/src/Composer/Command/DependsCommand.php9��vC\9��Ëôó‚´������@���vendor/composer/composer/src/Composer/Command/RequireCommand.phpw+��vC\w+��J6ïÓ´������=���vendor/composer/composer/src/Composer/Command/HomeCommand.php5��vC\5��ŒoI±´������>���vendor/composer/composer/src/Composer/Command/AboutCommand.php��vC\��[¥´������A���vendor/composer/composer/src/Composer/Command/ValidateCommand.phpß��vC\ß��í‘D§´������G���vendor/composer/composer/src/Composer/Command/BaseDependencyCommand.php-'��vC\-'��™z‚½´������E���vendor/composer/composer/src/Composer/Command/DumpAutoloadCommand.php��vC\��¥(š’´������@���vendor/composer/composer/src/Composer/Command/ArchiveCommand.phpÞ��vC\Þ��¦Ëñ’´������=���vendor/composer/composer/src/Composer/Command/ExecCommand.php��vC\��URi–´������A���vendor/composer/composer/src/Composer/Command/LicensesCommand.phpx��vC\x��³“÷´������B���vendor/composer/composer/src/Composer/Command/ProhibitsCommand.phpM��vC\M��òF¨´������@���vendor/composer/composer/src/Composer/Command/InstallCommand.phpè��vC\è��¦Ø”"´������?���vendor/composer/composer/src/Composer/Command/GlobalCommand.phpE
��vC\E
��GyÒè´������=���vendor/composer/composer/src/Composer/Command/BaseCommand.phpÅ��vC\Å��B i´������?���vendor/composer/composer/src/Composer/Command/StatusCommand.php” ��vC\” ��!nö…´������B���vendor/composer/composer/src/Composer/Command/RunScriptCommand.phpj��vC\j��;¢ß*´������F���vendor/composer/composer/src/Composer/Command/CreateProjectCommand.php,D��vC\,D��Éhäå´������?���vendor/composer/composer/src/Composer/Command/UpdateCommand.php\+��vC\\+��€1Õ<´������?���vendor/composer/composer/src/Composer/Command/SearchCommand.php°��vC\°��x}2´������C���vendor/composer/composer/src/Composer/Command/SelfUpdateCommand.php†B��vC\†B��ëÛ´������A���vendor/composer/composer/src/Composer/Command/SuggestsCommand.phpz��vC\z��xZyú´������?���vendor/composer/composer/src/Composer/Command/RemoveCommand.phpR��vC\R��ýƒ‘3´������D���vendor/composer/composer/src/Composer/Command/ScriptAliasCommand.php”��vC\”��‹kÍµ´������A���vendor/composer/composer/src/Composer/Command/DiagnoseCommand.php/n��vC\/n��“
Pá´������8���vendor/composer/composer/src/Composer/Plugin/Capable.php›��vC\›��'ñ}´������C���vendor/composer/composer/src/Composer/Plugin/PreCommandRunEvent.phpM��vC\M��Ã’@	´������@���vendor/composer/composer/src/Composer/Plugin/PluginInterface.php*��vC\*��uÞ*Ö´������E���vendor/composer/composer/src/Composer/Plugin/PreFileDownloadEvent.php7��vC\7��JD�´������=���vendor/composer/composer/src/Composer/Plugin/PluginEvents.php¨��vC\¨��¿@œ´������=���vendor/composer/composer/src/Composer/Plugin/CommandEvent.php��vC\��# ´������K���vendor/composer/composer/src/Composer/Plugin/Capability/CommandProvider.php_��vC\_��‚Î¼è´������F���vendor/composer/composer/src/Composer/Plugin/Capability/Capability.phpå��vC\å��Y9±3´������>���vendor/composer/composer/src/Composer/Plugin/PluginManager.php#>��vC\#>��A|A´������1���vendor/composer/composer/src/Composer/Factory.phph_��vC\h_��W{år´������J���vendor/composer/composer/src/Composer/Downloader/ChangeReportInterface.phpþ��vC\þ��Ù)Å¸´������E���vendor/composer/composer/src/Composer/Downloader/FossilDownloader.phpª��vC\ª��k"Ðo´������G���vendor/composer/composer/src/Composer/Downloader/TransportException.phpñ��vC\ñ��y…#e´������R���vendor/composer/composer/src/Composer/Downloader/VcsCapableDownloaderInterface.php��vC\��œ™´������B���vendor/composer/composer/src/Composer/Downloader/RarDownloader.php&��vC\&��«–Â´������B���vendor/composer/composer/src/Composer/Downloader/GitDownloader.phpØM��vC\ØM��†>Ä½´������B���vendor/composer/composer/src/Composer/Downloader/SvnDownloader.php¼��vC\¼��]¥C´������C���vendor/composer/composer/src/Composer/Downloader/GzipDownloader.php*
��vC\*
��rwë´������B���vendor/composer/composer/src/Composer/Downloader/TarDownloader.php¹��vC\¹�� æñf´������L���vendor/composer/composer/src/Composer/Downloader/DvcsDownloaderInterface.php��vC\��êv (´������F���vendor/composer/composer/src/Composer/Downloader/ArchiveDownloader.php$��vC\$��ñÔÍ¦´������D���vendor/composer/composer/src/Composer/Downloader/DownloadManager.phpX)��vC\X)��íJ´������H���vendor/composer/composer/src/Composer/Downloader/DownloaderInterface.phpõ��vC\õ��Rz^´������B���vendor/composer/composer/src/Composer/Downloader/ZipDownloader.php¿!��vC\¿!��‰tSŒ´������I���vendor/composer/composer/src/Composer/Downloader/PearPackageExtractor.php’-��vC\’-��Wü«š´������C���vendor/composer/composer/src/Composer/Downloader/PharDownloader.php©��vC\©��žx6´������C���vendor/composer/composer/src/Composer/Downloader/FileDownloader.php,��vC\,��`ÿõ´������B���vendor/composer/composer/src/Composer/Downloader/VcsDownloader.php)��vC\)��ÎX6€´������A���vendor/composer/composer/src/Composer/Downloader/HgDownloader.php¸��vC\¸��bMÜ´������H���vendor/composer/composer/src/Composer/Downloader/FilesystemException.php ��vC\ ��¿ì”´������G���vendor/composer/composer/src/Composer/Downloader/PerforceDownloader.php$��vC\$��£zðÌ´������A���vendor/composer/composer/src/Composer/Downloader/XzDownloader.php³��vC\³��Ù-DJ´������C���vendor/composer/composer/src/Composer/Downloader/PathDownloader.phpô��vC\ô��ÇSmÁ´������0���vendor/composer/composer/src/Composer/Config.phpÚ<��vC\Ú<��æ£Ò;´������B���vendor/composer/composer/src/Composer/Installer/InstallerEvent.php”��vC\”�� ó´������C���vendor/composer/composer/src/Composer/Installer/PluginInstaller.php
��vC\
�� £c´������A���vendor/composer/composer/src/Composer/Installer/PackageEvents.phpä��vC\ä��Z»V¬´������@���vendor/composer/composer/src/Composer/Installer/PackageEvent.phpT��vC\T��[•–Ú´������F���vendor/composer/composer/src/Composer/Installer/InstallerInterface.php™	��vC\™	��{ˆ`¦´������C���vendor/composer/composer/src/Composer/Installer/BinaryInstaller.php3��vC\3��ÕL§´������K���vendor/composer/composer/src/Composer/Installer/BinaryPresenceInterface.phpÛ��vC\Û��©Çô´������G���vendor/composer/composer/src/Composer/Installer/InstallationManager.php*��vC\*��¦nwD´������D���vendor/composer/composer/src/Composer/Installer/LibraryInstaller.php¦��vC\¦��+ó_°´������D���vendor/composer/composer/src/Composer/Installer/ProjectInstaller.php/
��vC\/
��ç#D´������H���vendor/composer/composer/src/Composer/Installer/MetapackageInstaller.phpy��vC\y��ÁWè}´������G���vendor/composer/composer/src/Composer/Installer/PearBinaryInstaller.phpT��vC\T��¢|â´������A���vendor/composer/composer/src/Composer/Installer/PearInstaller.php6��vC\6��x¥æ´������A���vendor/composer/composer/src/Composer/Installer/NoopInstaller.phpn��vC\n��1Ùa³´������C���vendor/composer/composer/src/Composer/Installer/InstallerEvents.php��vC\��¹ë.!´������M���vendor/composer/composer/src/Composer/Installer/SuggestedPackagesReporter.php¿��vC\¿��Ú‰á´������B���vendor/composer/composer/src/Composer/Exception/NoSslException.php–��vC\–��Ëg´í´������B���vendor/composer/composer/src/Composer/Repository/VcsRepository.phpV7��vC\V7��Ðr¤‰´������R���vendor/composer/composer/src/Composer/Repository/InstalledFilesystemRepository.phpø��vC\ø��éY´������G���vendor/composer/composer/src/Composer/Repository/ArtifactRepository.php��vC\��zos´������J���vendor/composer/composer/src/Composer/Repository/VersionCacheInterface.php��vC\��"pÕ’´������D���vendor/composer/composer/src/Composer/Repository/ArrayRepository.phpV��vC\V��aN§´������H���vendor/composer/composer/src/Composer/Repository/CompositeRepository.phpW��vC\W��è2«´������K���vendor/composer/composer/src/Composer/Repository/Vcs/GitBitbucketDriver.phpL	��vC\L	��Št4ç´������K���vendor/composer/composer/src/Composer/Repository/Vcs/VcsDriverInterface.php~��vC\~��›êíã´������H���vendor/composer/composer/src/Composer/Repository/Vcs/BitbucketDriver.php4��vC\4��^
Î´������B���vendor/composer/composer/src/Composer/Repository/Vcs/GitDriver.php¾��vC\¾��ôT>´´������J���vendor/composer/composer/src/Composer/Repository/Vcs/HgBitbucketDriver.phpF	��vC\F	��3ö³–´������B���vendor/composer/composer/src/Composer/Repository/Vcs/SvnDriver.php£/��vC\£/��ÿA¦û´������E���vendor/composer/composer/src/Composer/Repository/Vcs/GitLabDriver.php¹:��vC\¹:��B‰z´������E���vendor/composer/composer/src/Composer/Repository/Vcs/GitHubDriver.phpú<��vC\ú<��2:Ô´������B���vendor/composer/composer/src/Composer/Repository/Vcs/VcsDriver.php^��vC\^��t¯òl´������E���vendor/composer/composer/src/Composer/Repository/Vcs/FossilDriver.phpõ��vC\õ��?¥}Â´������G���vendor/composer/composer/src/Composer/Repository/Vcs/PerforceDriver.phpl��vC\l��›¿«ý´������A���vendor/composer/composer/src/Composer/Repository/Vcs/HgDriver.php;��vC\;��H½û´������G���vendor/composer/composer/src/Composer/Repository/ComposerRepository.php��vC\��Ü©´������I���vendor/composer/composer/src/Composer/Repository/FilesystemRepository.phpè��vC\è��œ™¿´������P���vendor/composer/composer/src/Composer/Repository/RepositorySecurityException.phpâ��vC\â��<9ï´������G���vendor/composer/composer/src/Composer/Repository/PlatformRepository.php@-��vC\@-��G)ò´������P���vendor/composer/composer/src/Composer/Repository/WritableRepositoryInterface.phpå��vC\å��ugbµ´������C���vendor/composer/composer/src/Composer/Repository/BaseRepository.phpŠ��vC\Š��åö]£´������C���vendor/composer/composer/src/Composer/Repository/PearRepository.php'"��vC\'"��ë›…Ç´������T���vendor/composer/composer/src/Composer/Repository/ConfigurableRepositoryInterface.phpÞ��vC\Þ��6{£´������M���vendor/composer/composer/src/Composer/Repository/InstalledArrayRepository.phpH��vC\H��	+;I´������F���vendor/composer/composer/src/Composer/Repository/PackageRepository.php\��vC\\��îŸå…´������F���vendor/composer/composer/src/Composer/Repository/RepositoryManager.php��vC\��^„Š¶´������C���vendor/composer/composer/src/Composer/Repository/PathRepository.phpé��vC\é��;@®´������Q���vendor/composer/composer/src/Composer/Repository/Pear/PackageDependencyParser.php¥*��vC\¥*��»o}õ´������M���vendor/composer/composer/src/Composer/Repository/Pear/ChannelRest10Reader.php×��vC\×��¾>o9´������N���vendor/composer/composer/src/Composer/Repository/Pear/DependencyConstraint.phpà��vC\à��s’ž2´������H���vendor/composer/composer/src/Composer/Repository/Pear/DependencyInfo.php›��vC\›��”Í-m´������E���vendor/composer/composer/src/Composer/Repository/Pear/ChannelInfo.phpÂ��vC\Â��å™s´������K���vendor/composer/composer/src/Composer/Repository/Pear/BaseChannelReader.phpß	��vC\ß	��»HË´������M���vendor/composer/composer/src/Composer/Repository/Pear/ChannelRest11Reader.phpù��vC\ù��eÄÎ´������E���vendor/composer/composer/src/Composer/Repository/Pear/PackageInfo.phpJ��vC\J��Ýrù„´������E���vendor/composer/composer/src/Composer/Repository/Pear/ReleaseInfo.php��vC\��Û3&¬´������G���vendor/composer/composer/src/Composer/Repository/Pear/ChannelReader.php��vC\��Ðûxª´������F���vendor/composer/composer/src/Composer/Repository/RepositoryFactory.phpÚ��vC\Ú��[ò
µ´������L���vendor/composer/composer/src/Composer/Repository/WritableArrayRepository.phpð��vC\ð��°èd´������H���vendor/composer/composer/src/Composer/Repository/RepositoryInterface.php¹��vC\¹��ô‰´������O���vendor/composer/composer/src/Composer/Repository/InvalidRepositoryException.phpß��vC\ß��æœç$´������Q���vendor/composer/composer/src/Composer/Repository/InstalledRepositoryInterface.phpC��vC\C��#žî¤´������*���vendor/composer/composer/src/bootstrap.phpÉ��vC\É��cAlé´������!���vendor/composer/autoload_real.phpn	��vC\n	��öÉd´������!���vendor/composer/autoload_psr4.php–��vC\–��I’ü´���������vendor/composer/ClassLoader.php“4��vC\“4��²z–´������2���vendor/composer/spdx-licenses/src/SpdxLicenses.phpý#��vC\ý#��–¤‚´������*���vendor/composer/ca-bundle/src/CaBundle.phpY7��vC\Y7��9ä›'´������4���vendor/composer/xdebug-handler/src/XdebugHandler.php>��vC\>��
Žù¸´������0���vendor/composer/xdebug-handler/src/PhpConfig.php5��vC\5��j$õ£´������-���vendor/composer/xdebug-handler/src/Status.php��vC\��q§S&´������.���vendor/composer/xdebug-handler/src/Process.php™��vC\™��þ¯Îk´������,���vendor/composer/semver/src/VersionParser.phpAM��vC\AM��7Ç1´������%���vendor/composer/semver/src/Semver.php‚��vC\‚��=nQA´������4���vendor/composer/semver/src/Constraint/Constraint.phpV��vC\V��ñznŒ´������=���vendor/composer/semver/src/Constraint/ConstraintInterface.php^��vC\^��)‰ÎX´������<���vendor/composer/semver/src/Constraint/AbstractConstraint.phpW��vC\W��ãP²´������9���vendor/composer/semver/src/Constraint/EmptyConstraint.php8��vC\8��)ÊûÍ´������9���vendor/composer/semver/src/Constraint/MultiConstraint.php&
��vC\&
��À‘(´������)���vendor/composer/semver/src/Comparator.phpû	��vC\û	��†g3	´������%���vendor/composer/autoload_classmap.phpå��vC\å��îGP&´������'���vendor/composer/autoload_namespaces.phpF��vC\F��O‰´Œ´������/���vendor/ramsey/array_column/src/array_column.php
��vC\
��Ê÷†¸´������3���vendor/symfony/finder/Expression/ValueInterface.phpÈ��vC\È��’yz<´������/���vendor/symfony/finder/Expression/Expression.php©
��vC\©
��Rä4õ´������*���vendor/symfony/finder/Expression/Regex.phpW��vC\W��ð÷´������)���vendor/symfony/finder/Expression/Glob.php!��vC\!��NÅœÌ´������3���vendor/symfony/finder/Comparator/DateComparator.phpž��vC\ž��Š¼GÃ´������/���vendor/symfony/finder/Comparator/Comparator.php��vC\��p†œ´������5���vendor/symfony/finder/Comparator/NumberComparator.php
��vC\
��ØÙº´������ ���vendor/symfony/finder/Finder.phpûa��vC\ûa��iÖ^é´������%���vendor/symfony/finder/SplFileInfo.phpW��vC\W��!tVb´������%���vendor/symfony/finder/Shell/Shell.phpM��vC\M��ùÜ9ª´������'���vendor/symfony/finder/Shell/Command.phpQ��vC\Q��°’ý°´������1���vendor/symfony/finder/Adapter/AbstractAdapter.phpÂ��vC\Â��8k´������2���vendor/symfony/finder/Adapter/AdapterInterface.php¥��vC\¥��Â”Ž´������0���vendor/symfony/finder/Adapter/BsdFindAdapter.phpî��vC\î��J+†´������5���vendor/symfony/finder/Adapter/AbstractFindAdapter.php?*��vC\?*��·ÖØ´������0���vendor/symfony/finder/Adapter/GnuFindAdapter.phpä��vC\ä��Í‚˜‹´������,���vendor/symfony/finder/Adapter/PhpAdapter.phpq��vC\q��œÒ”T´������9���vendor/symfony/finder/Iterator/FilenameFilterIterator.php•��vC\•��ËpÀ´������<���vendor/symfony/finder/Iterator/FilecontentFilterIterator.php¦��vC\¦��rÜ~´������;���vendor/symfony/finder/Iterator/DepthRangeFilterIterator.phpÊ��vC\Ê��…ô´������4���vendor/symfony/finder/Iterator/FilePathsIterator.phpS��vC\S��Ò+Qè´������A���vendor/symfony/finder/Iterator/ExcludeDirectoryFilterIterator.php¥	��vC\¥	��,Š´������9���vendor/symfony/finder/Iterator/FileTypeFilterIterator.php>��vC\>��pÀŸY´������3���vendor/symfony/finder/Iterator/SortableIterator.php
��vC\
��v0ZN´������=���vendor/symfony/finder/Iterator/RecursiveDirectoryIterator.phpê��vC\ê��yŠM´������5���vendor/symfony/finder/Iterator/PathFilterIterator.php«��vC\«��}£¬´������7���vendor/symfony/finder/Iterator/CustomFilterIterator.phpî��vC\î��÷Š
´������1���vendor/symfony/finder/Iterator/FilterIterator.php–��vC\–��8=/©´������=���vendor/symfony/finder/Iterator/MultiplePcreFilterIterator.php��vC\��5›’´������:���vendor/symfony/finder/Iterator/DateRangeFilterIterator.phpª��vC\ª��ÛÖ@·´������:���vendor/symfony/finder/Iterator/SizeRangeFilterIterator.php‡��vC\‡��¢:~Ð´������6���vendor/symfony/finder/Exception/ExceptionInterface.phpï��vC\ï��€7´������9���vendor/symfony/finder/Exception/AccessDeniedException.php«��vC\«��ÊcWÞ´������A���vendor/symfony/finder/Exception/OperationNotPermitedException.phpr��vC\r��è[&=´������;���vendor/symfony/finder/Exception/AdapterFailureException.phpü��vC\ü��‰ü„í´������@���vendor/symfony/finder/Exception/ShellCommandFailureException.php[��vC\[��™‚²´���������vendor/symfony/finder/Glob.phpö��vC\ö��2†´������'���vendor/symfony/polyfill-ctype/Ctype.php}��vC\}��\Šè°´������+���vendor/symfony/polyfill-ctype/bootstrap.phpS��vC\S��½ñ7´������-���vendor/symfony/polyfill-mbstring/Mbstring.phpüg��vC\üg��ÏÅàn´������@���vendor/symfony/polyfill-mbstring/Resources/unidata/upperCase.phpþI��vC\þI��ÒÖë´������F���vendor/symfony/polyfill-mbstring/Resources/unidata/titleCaseRegexp.php9��vC\9��>|zK´������@���vendor/symfony/polyfill-mbstring/Resources/unidata/lowerCase.phpI��vC\I��æ(~´������.���vendor/symfony/polyfill-mbstring/bootstrap.phpI��vC\I��@ï´������.���vendor/symfony/process/PhpExecutableFinder.phpk	��vC\k	��¡¼W´������+���vendor/symfony/process/ExecutableFinder.php
��vC\
��s·(´������%���vendor/symfony/process/PhpProcess.phpp	��vC\p	��ˆìE¿´������)���vendor/symfony/process/ProcessBuilder.phpv��vC\v��õW¨ç´������"���vendor/symfony/process/Process.php7´��vC\7´��V)æ™´������-���vendor/symfony/process/Pipes/WindowsPipes.php��vC\��ÓBŽ´������.���vendor/symfony/process/Pipes/AbstractPipes.phpÖ��vC\Ö��Ø9»´������*���vendor/symfony/process/Pipes/UnixPipes.phpT��vC\T��]]½´������/���vendor/symfony/process/Pipes/PipesInterface.phpt��vC\t��?_ì´������'���vendor/symfony/process/ProcessUtils.phpŸ��vC\Ÿ��	Êx´������3���vendor/symfony/process/Exception/LogicException.phpÒ��vC\Ò��°¨W´������=���vendor/symfony/process/Exception/ProcessTimedOutException.php{��vC\{��4±´������7���vendor/symfony/process/Exception/ExceptionInterface.php¯��vC\¯��<ž´������=���vendor/symfony/process/Exception/InvalidArgumentException.phpð��vC\ð��Ë…ë´������;���vendor/symfony/process/Exception/ProcessFailedException.php��vC\��PÁ´5´������5���vendor/symfony/process/Exception/RuntimeException.phpá��vC\á��>H–™´������9���vendor/wp-cli/super-admin-command/super-admin-command.phpw��vC\w��e™U´������=���vendor/wp-cli/super-admin-command/src/Super_Admin_Command.phpŸ��vC\Ÿ��U°ÂX´������*���vendor/wp-cli/export-command/functions.phpd��vC\d��«==ê´������/���vendor/wp-cli/export-command/export-command.phpâ���vC\â���NÁ/7´������<���vendor/wp-cli/export-command/src/WP_Export_WXR_Formatter.phpê#��vC\ê#��WÅ6]´������A���vendor/wp-cli/export-command/src/WP_Export_Split_Files_Writer.phpA
��vC\A
��ÎdwÊ´������=���vendor/wp-cli/export-command/src/WP_Export_Term_Exception.phpC���vC\C���êÇ´������3���vendor/wp-cli/export-command/src/Export_Command.php»0��vC\»0��~^R´������4���vendor/wp-cli/export-command/src/WP_Export_Query.php™.��vC\™.��¶„º9´������:���vendor/wp-cli/export-command/src/WP_Export_File_Writer.php(��vC\(��’„—Î´������7���vendor/wp-cli/export-command/src/WP_Export_Returner.php¹��vC\¹���Ìq´������9���vendor/wp-cli/export-command/src/WP_Post_IDs_Iterator.php��vC\��ÜmË«´������4���vendor/wp-cli/export-command/src/WP_Map_Iterator.php2��vC\2��çëži´������<���vendor/wp-cli/export-command/src/WP_Export_XML_Over_HTTP.phpÌ��vC\Ì��qú)´������:���vendor/wp-cli/export-command/src/WP_Export_Base_Writer.php¤��vC\¤��az¹´������<���vendor/wp-cli/export-command/src/WP_Export_Stdout_Writer.php��vC\��ùÌæ´������:���vendor/wp-cli/export-command/src/WP_Iterator_Exception.php9���vC\9���¦w´������8���vendor/wp-cli/export-command/src/WP_Export_Exception.php>���vC\>���MË�´������5���vendor/wp-cli/export-command/src/WP_Export_Oxymel.phpß��vC\ß��îÄC´������+���vendor/wp-cli/core-command/core-command.phpÞ���vC\Þ���ÎÓÇ´������/���vendor/wp-cli/core-command/src/Core_Command.phpš¨��vC\š¨��%‰UÔ´������D���vendor/wp-cli/core-command/src/WP_CLI/NonDestructiveCoreUpgrader.php3��vC\3��â?×´������6���vendor/wp-cli/core-command/src/WP_CLI/CoreUpgrader.php��vC\��°¯eÖ´������-���vendor/wp-cli/shell-command/shell-command.phpà���vC\à���CŒC´������1���vendor/wp-cli/shell-command/src/Shell_Command.php0��vC\0��í„Ãk´������/���vendor/wp-cli/shell-command/src/WP_CLI/REPL.phpÊ	��vC\Ê	��/`0B´������-���vendor/wp-cli/embed-command/embed-command.phpN��vC\N��Üfp-´������4���vendor/wp-cli/embed-command/src/Provider_Command.php•��vC\•��(´Që´������*���vendor/wp-cli/embed-command/src/oEmbed.php÷��vC\÷��èpÿ>´������4���vendor/wp-cli/embed-command/src/Embeds_Namespace.phpØ���vC\Ø���ðüq¥´������1���vendor/wp-cli/embed-command/src/Cache_Command.phpD��vC\D��¡…?´������3���vendor/wp-cli/embed-command/src/Handler_Command.php��vC\��@Åú˜´������1���vendor/wp-cli/embed-command/src/Fetch_Command.phpd#��vC\d#��fcwN´������+���vendor/wp-cli/wp-cli/utils/contrib-list.phpÃ��vC\Ã��TE:´������@���vendor/wp-cli/wp-cli/utils/get-package-require-from-composer.phpä��vC\ä��æŸ´������3���vendor/wp-cli/widget-command/src/Widget_Command.phpñD��vC\ñD��Õ*S¿´������4���vendor/wp-cli/widget-command/src/Sidebar_Command.php¿��vC\¿��©©è´������/���vendor/wp-cli/widget-command/widget-command.php��vC\��/ñû¬´������1���vendor/wp-cli/rewrite-command/rewrite-command.phpä���vC\ä���Ýœ„´������5���vendor/wp-cli/rewrite-command/src/Rewrite_Command.phpü,��vC\ü,��ÆIkÝ´������?���vendor/wp-cli/wp-config-transformer/src/WPConfigTransformer.phpt(��vC\t(��’›‰N´������'���vendor/wp-cli/server-command/router.php9��vC\9��ô_©‹´������3���vendor/wp-cli/server-command/src/Server_Command.php#��vC\#��JGA\´������/���vendor/wp-cli/server-command/server-command.php¾��vC\¾��ÀÕºÜ´������)���vendor/wp-cli/mustangostang-spyc/Spyc.phpË��vC\Ë��–ªÑx´������.���vendor/wp-cli/mustangostang-spyc/php4/5to4.phpØ��vC\Ø��uS])´������7���vendor/wp-cli/mustangostang-spyc/includes/functions.php��vC\��¸±:´������-���vendor/wp-cli/mustangostang-spyc/src/Spyc.phpË…��vC\Ë…��è�~ã´������-���vendor/wp-cli/cache-command/cache-command.php��vC\��ŒÕ£´������1���vendor/wp-cli/cache-command/src/Cache_Command.php��vC\��ÝÀÐû´������5���vendor/wp-cli/cache-command/src/Transient_Command.php˜D��vC\˜D��k.H´������3���vendor/wp-cli/checksum-command/checksum-command.php½��vC\½��!=—´������<���vendor/wp-cli/checksum-command/src/Checksum_Core_Command.php¤��vC\¤��Ûøñ´������>���vendor/wp-cli/checksum-command/src/Checksum_Plugin_Command.php@#��vC\@#��MQ´´������<���vendor/wp-cli/checksum-command/src/Checksum_Base_Command.phpË��vC\Ë��(¦¼¼´������G���vendor/wp-cli/checksum-command/src/WP_CLI/Fetchers/UnfilteredPlugin.php8��vC\8��@é'´������?���vendor/wp-cli/checksum-command/src/Plugin_Command_Namespace.php½���vC\½���¦:f´������=���vendor/wp-cli/checksum-command/src/Core_Command_Namespace.phpÀ���vC\À���{Òêñ´������+���vendor/wp-cli/i18n-command/i18n-command.php·��vC\·��òÏ.´������/���vendor/wp-cli/i18n-command/src/PotGenerator.phpZ��vC\Z��Î<ìE´������1���vendor/wp-cli/i18n-command/src/MakePotCommand.phpxj��vC\xj��%yw<´������/���vendor/wp-cli/i18n-command/src/JedGenerator.php8��vC\8��ù£"s´������3���vendor/wp-cli/i18n-command/src/CommandNamespace.php–��vC\–��õlhš´������5���vendor/wp-cli/i18n-command/src/JsFunctionsScanner.php��vC\��3‚?´������8���vendor/wp-cli/i18n-command/src/IterableCodeExtractor.phpÑ��vC\Ñ��Ô®ç®´������3���vendor/wp-cli/i18n-command/src/MapCodeExtractor.php*��vC\*��33N´������2���vendor/wp-cli/i18n-command/src/MakeJsonCommand.phpf��vC\f��}£Ïb´������3���vendor/wp-cli/i18n-command/src/PhpCodeExtractor.phpi��vC\i��Ÿy¬‹´������6���vendor/wp-cli/i18n-command/src/PhpFunctionsScanner.phpå��vC\å��_Ý¤'´������2���vendor/wp-cli/i18n-command/src/JsCodeExtractor.php{��vC\{��gsN.´������+���vendor/wp-cli/role-command/role-command.php��vC\��»‘´������/���vendor/wp-cli/role-command/src/Role_Command.php>'��vC\>'��º§ªU´������7���vendor/wp-cli/role-command/src/Capabilities_Command.phpæ��vC\æ��])´������/���vendor/wp-cli/import-command/import-command.phpâ���vC\â���“0ø´������3���vendor/wp-cli/import-command/src/Import_Command.phpÒ8��vC\Ò8��üòw´������3���vendor/wp-cli/scaffold-command/scaffold-command.phpæ���vC\æ���€ÙöÁ´������7���vendor/wp-cli/scaffold-command/src/Scaffold_Command.php’��vC\’��7É¹´������-���vendor/wp-cli/media-command/media-command.php³��vC\³��$Ãø´������1���vendor/wp-cli/media-command/src/Media_Command.phpè}��vC\è}��sçÍ´������1���vendor/wp-cli/package-command/package-command.php
��vC\
��ôðf´������5���vendor/wp-cli/package-command/src/Package_Command.php¨��vC\¨��cL¤&´������<���vendor/wp-cli/package-command/src/WP_CLI/JsonManipulator.phpS��vC\S��Ï¢‡è´������?���vendor/wp-cli/search-replace-command/search-replace-command.phpò���vC\ò���!>EÈ´������C���vendor/wp-cli/search-replace-command/src/Search_Replace_Command.phpè‰��vC\è‰��É™Â¹´������B���vendor/wp-cli/search-replace-command/src/WP_CLI/SearchReplacer.php´��vC\´��N´�M´������/���vendor/wp-cli/entity-command/entity-command.phpy	��vC\y	��Ç;&´������1���vendor/wp-cli/entity-command/src/Site_Command.php¯R��vC\¯R��¢‘ÿÉ´������3���vendor/wp-cli/entity-command/src/Option_Command.phpö<��vC\ö<�� ;rG´������1���vendor/wp-cli/entity-command/src/User_Command.phpB„��vC\B„��ÒF'´������9���vendor/wp-cli/entity-command/src/Network_Meta_Command.phpH��vC\H��(GÅ´������6���vendor/wp-cli/entity-command/src/Post_Type_Command.phpa��vC\a��õ«µ–´������6���vendor/wp-cli/entity-command/src/Post_Term_Command.phpç��vC\ç��_Ó’´������6���vendor/wp-cli/entity-command/src/Menu_Item_Command.phpÑ2��vC\Ñ2��¾•˜´������6���vendor/wp-cli/entity-command/src/Site_Meta_Command.phpW��vC\W��‚M
´������8���vendor/wp-cli/entity-command/src/Site_Option_Command.phpÝ%��vC\Ý%��@*x´������6���vendor/wp-cli/entity-command/src/Post_Meta_Command.phpZ��vC\Z��ÉŽ¨È´������6���vendor/wp-cli/entity-command/src/Network_Namespace.php*��vC\*��{Þd´������9���vendor/wp-cli/entity-command/src/User_Session_Command.php5��vC\5���Deç´������1���vendor/wp-cli/entity-command/src/Post_Command.php i��vC\ i��=\ƒ1´������6���vendor/wp-cli/entity-command/src/User_Term_Command.php��vC\��\	õ³´������1���vendor/wp-cli/entity-command/src/Term_Command.php=@��vC\=@��9Í/ð´������<���vendor/wp-cli/entity-command/src/WP_CLI/Fetchers/Comment.php#��vC\#��½«Ž´������9���vendor/wp-cli/entity-command/src/WP_CLI/Fetchers/Post.php¥��vC\¥��ÈS«´������9���vendor/wp-cli/entity-command/src/WP_CLI/Fetchers/Site.php’��vC\’��ÇÅ$´������9���vendor/wp-cli/entity-command/src/WP_CLI/Fetchers/User.phpT��vC\T��×ÙXk´������;���vendor/wp-cli/entity-command/src/WP_CLI/CommandWithMeta.phpÑ7��vC\Ñ7��ý€Ï´������<���vendor/wp-cli/entity-command/src/WP_CLI/CommandWithTerms.php»��vC\»��‹¥--´������?���vendor/wp-cli/entity-command/src/WP_CLI/CommandWithDBObject.phpj��vC\j��·3´������R���vendor/wp-cli/entity-command/src/WP_CLI/Entity/RecursiveDataStructureTraverser.phpÍ��vC\Í��ï™KÈ´������8���vendor/wp-cli/entity-command/src/WP_CLI/Entity/Utils.php��vC\��·yã¦´������J���vendor/wp-cli/entity-command/src/WP_CLI/Entity/NonExistentKeyException.phpÝ��vC\Ý��n¡´������:���vendor/wp-cli/entity-command/src/Menu_Location_Command.phpZ��vC\Z��Vò´������1���vendor/wp-cli/entity-command/src/Menu_Command.phpî��vC\î��<˜‰ü´������9���vendor/wp-cli/entity-command/src/Comment_Meta_Command.phpÁ��vC\Á��È¸…´������4���vendor/wp-cli/entity-command/src/Comment_Command.phpÁA��vC\ÁA��Óëƒ•´������6���vendor/wp-cli/entity-command/src/Term_Meta_Command.php~��vC\~��‹èì´������5���vendor/wp-cli/entity-command/src/Taxonomy_Command.phpƒ��vC\ƒ��‹9-´������6���vendor/wp-cli/entity-command/src/User_Meta_Command.phpE$��vC\E$��^Èê&´������3���vendor/wp-cli/language-command/language-command.php��vC\��‹é=´������=���vendor/wp-cli/language-command/src/Theme_Language_Command.phpü0��vC\ü0��Ì²G^´������9���vendor/wp-cli/language-command/src/Language_Namespace.phpá��vC\á��¿)|ƒ´������>���vendor/wp-cli/language-command/src/Plugin_Language_Command.phpN2��vC\N2���ìr›´������<���vendor/wp-cli/language-command/src/Core_Language_Command.php·%��vC\·%��þ¹3Ã´������D���vendor/wp-cli/language-command/src/WP_CLI/CommandWithTranslation.php] ��vC\] ��_Ú-»´������B���vendor/wp-cli/language-command/src/WP_CLI/LanguagePackUpgrader.phpÈ��vC\È��¬ð©¤´������C���vendor/wp-cli/language-command/src/Site_Switch_Language_Command.php‚��vC\‚��zûv˜´������$���vendor/wp-cli/php-cli-tools/test.phpi��vC\i��3M™´������6���vendor/wp-cli/php-cli-tools/lib/cli/notify/Spinner.php��vC\��8ûu´������3���vendor/wp-cli/php-cli-tools/lib/cli/notify/Dots.phpd��vC\d��Ûwáz´������7���vendor/wp-cli/php-cli-tools/lib/cli/arguments/Lexer.php^	��vC\^	��üGØ´������:���vendor/wp-cli/php-cli-tools/lib/cli/arguments/Argument.php ��vC\ ��=Æéé´������B���vendor/wp-cli/php-cli-tools/lib/cli/arguments/InvalidArguments.php��vC\��¯R´������<���vendor/wp-cli/php-cli-tools/lib/cli/arguments/HelpScreen.php 
��vC\ 
��+B%è´������-���vendor/wp-cli/php-cli-tools/lib/cli/Shell.phpä��vC\ä��‡mÅ»´������,���vendor/wp-cli/php-cli-tools/lib/cli/Tree.php³��vC\³��îý@´������1���vendor/wp-cli/php-cli-tools/lib/cli/Arguments.php/��vC\/��¡o†´������4���vendor/wp-cli/php-cli-tools/lib/cli/progress/Bar.php¶	��vC\¶	��n (O´������-���vendor/wp-cli/php-cli-tools/lib/cli/Table.php¡��vC\¡��táˆ*´������/���vendor/wp-cli/php-cli-tools/lib/cli/Streams.php£"��vC\£"��+Éf	´������+���vendor/wp-cli/php-cli-tools/lib/cli/cli.phpÇ@��vC\Ç@��ý~z×´������/���vendor/wp-cli/php-cli-tools/lib/cli/Memoize.phpû��vC\û��Þô´������.���vendor/wp-cli/php-cli-tools/lib/cli/Colors.phpk!��vC\k!��y6)´������2���vendor/wp-cli/php-cli-tools/lib/cli/tree/Ascii.phpx��vC\x��9Õö´������5���vendor/wp-cli/php-cli-tools/lib/cli/tree/Renderer.phpO��vC\O��›c"Ó´������5���vendor/wp-cli/php-cli-tools/lib/cli/tree/Markdown.php¨��vC\¨��ŒTé´������5���vendor/wp-cli/php-cli-tools/lib/cli/unicode/regex.phpb��vC\b��É¶9Í´������.���vendor/wp-cli/php-cli-tools/lib/cli/Notify.phpÍ��vC\Í��,§¦´������3���vendor/wp-cli/php-cli-tools/lib/cli/table/Ascii.php��vC\��@%=´������5���vendor/wp-cli/php-cli-tools/lib/cli/table/Tabular.php²��vC\²��ùˆ¡l´������6���vendor/wp-cli/php-cli-tools/lib/cli/table/Renderer.phpG��vC\G��Y†ß’´������0���vendor/wp-cli/php-cli-tools/lib/cli/Progress.phpÉ
��vC\É
��´aª´������,���vendor/wp-cli/php-cli-tools/http-console.php��vC\��ç‘È>´������5���vendor/wp-cli/extension-command/extension-command.phpL��vC\L��»œçÝ´������6���vendor/wp-cli/extension-command/src/Plugin_Command.phpÌŽ��vC\ÌŽ��û¬…ƒ´������=���vendor/wp-cli/extension-command/src/WP_CLI/Fetchers/Theme.phpø��vC\ø��K£o´������>���vendor/wp-cli/extension-command/src/WP_CLI/Fetchers/Plugin.php¨��vC\¨��Ž%ÐJ´������H���vendor/wp-cli/extension-command/src/WP_CLI/DestructivePluginUpgrader.php¡��vC\¡��ùSŽ´������G���vendor/wp-cli/extension-command/src/WP_CLI/DestructiveThemeUpgrader.phpž��vC\ž��¥ÍF´������A���vendor/wp-cli/extension-command/src/WP_CLI/CommandWithUpgrade.php]R��vC\]R��à
/´������5���vendor/wp-cli/extension-command/src/Theme_Command.php¬c��vC\¬c��f'"Õ´������9���vendor/wp-cli/extension-command/src/Theme_Mod_Command.php£��vC\£��niS´������+���vendor/wp-cli/eval-command/eval-command.php��vC\��þGBè´������/���vendor/wp-cli/eval-command/src/Eval_Command.phpR��vC\R��”x_i´������3���vendor/wp-cli/eval-command/src/EvalFile_Command.phpf��vC\f��ÝNƒ´������+���vendor/wp-cli/cron-command/cron-command.phpZ��vC\Z��MC_L´������5���vendor/wp-cli/cron-command/src/Cron_Event_Command.php=3��vC\=3��mî�
´������/���vendor/wp-cli/cron-command/src/Cron_Command.phpâ
��vC\â
��ŸœU“´������8���vendor/wp-cli/cron-command/src/Cron_Schedule_Command.phpg��vC\g��|ã*´������'���vendor/wp-cli/db-command/db-command.phpÚ���vC\Ú���f3©ý´������+���vendor/wp-cli/db-command/src/DB_Command.php·Ì��vC\·Ì��¬œ*6´������/���vendor/wp-cli/config-command/config-command.phpâ���vC\â���¤^´������3���vendor/wp-cli/config-command/src/Config_Command.phpºa��vC\ºa��¯Ÿ#´���������vendor/nb/oxymel/OxymelTest.php‚��vC\‚��BL©V´���������vendor/nb/oxymel/Oxymel.php)��vC\)��è(rÕ´������%���vendor/psr/log/Psr/Log/NullLogger.php‹��vC\‹��šöZf´������*���vendor/psr/log/Psr/Log/LoggerInterface.phpß��vC\ß��?}´������)���vendor/psr/log/Psr/Log/AbstractLogger.php��vC\��šGl´������&���vendor/psr/log/Psr/Log/LoggerTrait.php
��vC\
��›Ã½õ´������+���vendor/psr/log/Psr/Log/LoggerAwareTrait.php��vC\��z%Ô´������3���vendor/psr/log/Psr/Log/InvalidArgumentException.php`���vC\`��� ˆX1´������/���vendor/psr/log/Psr/Log/LoggerAwareInterface.php)��vC\)��Èj±´������#���vendor/psr/log/Psr/Log/LogLevel.phpP��vC\P��òº´������)���vendor/seld/phar-utils/src/Timestamps.phpÃ��vC\Ã��×˜6´������0���vendor/seld/jsonlint/src/Seld/JsonLint/Lexer.phpe��vC\e��ê)$´������4���vendor/seld/jsonlint/src/Seld/JsonLint/Undefined.php��vC\��‚gð´������;���vendor/seld/jsonlint/src/Seld/JsonLint/ParsingException.php0��vC\0��Kœç²´������@���vendor/seld/jsonlint/src/Seld/JsonLint/DuplicateKeyException.php8��vC\8��˜¹Ä´������5���vendor/seld/jsonlint/src/Seld/JsonLint/JsonParser.phpšP��vC\šP��q8ƒì´������/���vendor/symfony/console/Logger/ConsoleLogger.phpæ
��vC\æ
��Êãán´������,���vendor/symfony/console/Style/OutputStyle.phpú��vC\ú��üjKá´������-���vendor/symfony/console/Style/SymfonyStyle.php</��vC\</��J
îl´������/���vendor/symfony/console/Style/StyleInterface.phpO��vC\O��üë®Q´������(���vendor/symfony/console/ConsoleEvents.phpé��vC\é��G×X¥´������<���vendor/symfony/console/Descriptor/ApplicationDescription.php��vC\��£è”À´������4���vendor/symfony/console/Descriptor/TextDescriptor.php”*��vC\”*��ïØ�Þ´������4���vendor/symfony/console/Descriptor/JsonDescriptor.phpë��vC\ë��w¡…ë´������9���vendor/symfony/console/Descriptor/DescriptorInterface.phpÞ��vC\Þ��VÏAƒ´������8���vendor/symfony/console/Descriptor/MarkdownDescriptor.php÷��vC\÷��1äâñ´������3���vendor/symfony/console/Descriptor/XmlDescriptor.php-$��vC\-$��&õ–©´������0���vendor/symfony/console/Descriptor/Descriptor.php€��vC\€��³úyæ´������ ���vendor/symfony/console/Shell.php‘��vC\‘��¢ž)8´������,���vendor/symfony/console/Question/Question.phpÐ��vC\Ð��¶€Ÿ´������8���vendor/symfony/console/Question/ConfirmationQuestion.php��vC\��ÍªBè´������2���vendor/symfony/console/Question/ChoiceQuestion.phpÁ��vC\Á��3{vG´������/���vendor/symfony/console/Tester/CommandTester.phpÒ
��vC\Ò
��ãü‡´������3���vendor/symfony/console/Tester/ApplicationTester.phpè��vC\è��Ûþ^r´������&���vendor/symfony/console/Application.php–��vC\–��\Š’-´������9���vendor/symfony/console/Formatter/OutputFormatterStyle.php‘��vC\‘��àt¨
´������>���vendor/symfony/console/Formatter/OutputFormatterStyleStack.phpº	��vC\º	��øµ9´������4���vendor/symfony/console/Formatter/OutputFormatter.php›��vC\›��ÉÚK´������B���vendor/symfony/console/Formatter/OutputFormatterStyleInterface.php7��vC\7��–.@Y´������=���vendor/symfony/console/Formatter/OutputFormatterInterface.php¦��vC\¦��#7êu´������6���vendor/symfony/console/Helper/DebugFormatterHelper.phpW��vC\W��¸¯´������2���vendor/symfony/console/Helper/DescriptorHelper.php1
��vC\1
��^x´������1���vendor/symfony/console/Helper/HelperInterface.phpp��vC\p��‘àñn´������2���vendor/symfony/console/Helper/InputAwareHelper.phpë��vC\ë��¼´������+���vendor/symfony/console/Helper/HelperSet.phpi
��vC\i
��µ%é´������0���vendor/symfony/console/Helper/ProgressHelper.phpP1��vC\P1��_È;!´������-���vendor/symfony/console/Helper/TableHelper.phpä��vC\ä��su¼}´������/���vendor/symfony/console/Helper/ProcessHelper.php��vC\��Ï
Ð´������0���vendor/symfony/console/Helper/TableSeparator.php��vC\��Ô=_´������0���vendor/symfony/console/Helper/QuestionHelper.php¤6��vC\¤6��Q˜’@´������'���vendor/symfony/console/Helper/Table.phpŽI��vC\ŽI��Å{£ö´������1���vendor/symfony/console/Helper/FormatterHelper.php	��vC\	��jß•´������.���vendor/symfony/console/Helper/DialogHelper.phpÐD��vC\ÐD��ÖzÑr´������7���vendor/symfony/console/Helper/SymfonyQuestionHelper.phpõ��vC\õ��ûåº=´������-���vendor/symfony/console/Helper/ProgressBar.phpÌE��vC\ÌE��Ê{ëz´������(���vendor/symfony/console/Helper/Helper.php®��vC\®��– ¸´������3���vendor/symfony/console/Helper/ProgressIndicator.phpÍ!��vC\Í!��Qãö}´������,���vendor/symfony/console/Helper/TableStyle.php{��vC\{��6Ï³]´������+���vendor/symfony/console/Helper/TableCell.phpz��vC\z��ÜqŠ´������8���vendor/symfony/console/Output/ConsoleOutputInterface.phpÞ��vC\Þ��¿ ƒ´������/���vendor/symfony/console/Output/ConsoleOutput.php]��vC\]��±„,è´������,���vendor/symfony/console/Output/NullOutput.phpn��vC\n��tD»´������.���vendor/symfony/console/Output/StreamOutput.php(��vC\(��Ý‹ô´������(���vendor/symfony/console/Output/Output.php{��vC\{��îžø7´������0���vendor/symfony/console/Output/BufferedOutput.phpH��vC\H�� 9¿Ô´������1���vendor/symfony/console/Output/OutputInterface.php
��vC\
��â7Ú´������4���vendor/symfony/console/Event/ConsoleCommandEvent.php%��vC\%��{Ë¾à´������6���vendor/symfony/console/Event/ConsoleTerminateEvent.php��vC\��{eð´������-���vendor/symfony/console/Event/ConsoleEvent.php¸��vC\¸��¾õ
ž´������6���vendor/symfony/console/Event/ConsoleExceptionEvent.php=��vC\=��·¦Å´������4���vendor/symfony/console/Input/InputAwareInterface.php:��vC\:��± '´´������0���vendor/symfony/console/Input/InputDefinition.php2��vC\2��”‘Vq´������&���vendor/symfony/console/Input/Input.php^��vC\^��û~w]´������.���vendor/symfony/console/Input/InputArgument.phpT
��vC\T
��+ÁÄ4´������+���vendor/symfony/console/Input/ArrayInput.php€��vC\€��pMq´������,���vendor/symfony/console/Input/StringInput.php•��vC\•��ú§Äe´������,���vendor/symfony/console/Input/InputOption.php¢��vC\¢��Y‰é´������*���vendor/symfony/console/Input/ArgvInput.phpñ)��vC\ñ)��üïYw´������/���vendor/symfony/console/Input/InputInterface.php‘��vC\‘��¥£’ë´������.���vendor/symfony/console/Command/ListCommand.phpo��vC\o��¼Yë´������.���vendor/symfony/console/Command/HelpCommand.php³
��vC\³
��¹Ç…‡´������*���vendor/symfony/console/Command/Command.phpãN��vC\ãN��Ó¸Y’´������3���vendor/symfony/console/Exception/LogicException.phpª��vC\ª��SML´������;���vendor/symfony/console/Exception/InvalidOptionException.phpü��vC\ü��í“;´������7���vendor/symfony/console/Exception/ExceptionInterface.php–��vC\–��ãëÚU´������=���vendor/symfony/console/Exception/CommandNotFoundException.php¾��vC\¾��Þøµì´������=���vendor/symfony/console/Exception/InvalidArgumentException.php¾��vC\¾��îu i´������5���vendor/symfony/console/Exception/RuntimeException.php®��vC\®��¶*b´������(���vendor/symfony/filesystem/Filesystem.phpíe��vC\íe��<FÚÊ´������)���vendor/symfony/filesystem/LockHandler.phpo
��vC\o
��åÊÞ´������<���vendor/symfony/filesystem/Exception/IOExceptionInterface.php¡��vC\¡��k/’ï´������:���vendor/symfony/filesystem/Exception/ExceptionInterface.php½��vC\½��hª ´������3���vendor/symfony/filesystem/Exception/IOException.phpª��vC\ª��Ñ‘„A´������=���vendor/symfony/filesystem/Exception/FileNotFoundException.php·��vC\·��þ0zÂ´������I���vendor/justinrainbow/json-schema/src/JsonSchema/UriRetrieverInterface.php��vC\��5Ô|[´������X���vendor/justinrainbow/json-schema/src/JsonSchema/Uri/Retrievers/UriRetrieverInterface.phpê��vC\ê��?Ér@´������R���vendor/justinrainbow/json-schema/src/JsonSchema/Uri/Retrievers/FileGetContents.phpj
��vC\j
��[}x#´������T���vendor/justinrainbow/json-schema/src/JsonSchema/Uri/Retrievers/AbstractRetriever.phpr��vC\r��–ŠúM´������R���vendor/justinrainbow/json-schema/src/JsonSchema/Uri/Retrievers/PredefinedArray.php��vC\��0á´������G���vendor/justinrainbow/json-schema/src/JsonSchema/Uri/Retrievers/Curl.phpo��vC\o��†n´������D���vendor/justinrainbow/json-schema/src/JsonSchema/Uri/UriRetriever.php¿"��vC\¿"��ðv')´������C���vendor/justinrainbow/json-schema/src/JsonSchema/Uri/UriResolver.php;��vC\;��óÇä´������J���vendor/justinrainbow/json-schema/src/JsonSchema/SchemaStorageInterface.php"��vC\"��x&7´������A���vendor/justinrainbow/json-schema/src/JsonSchema/SchemaStorage.php+��vC\+��¡ž_´������H���vendor/justinrainbow/json-schema/src/JsonSchema/UriResolverInterface.php��vC\��IËÐÑ´������;���vendor/justinrainbow/json-schema/src/JsonSchema/Rfc3339.phpv��vC\v��xÁ$´������P���vendor/justinrainbow/json-schema/src/JsonSchema/Constraints/SchemaConstraint.phpÏ��vC\Ï��ÂfK´������P���vendor/justinrainbow/json-schema/src/JsonSchema/Constraints/StringConstraint.phpÆ��vC\Æ��~ºÈG´������P���vendor/justinrainbow/json-schema/src/JsonSchema/Constraints/FormatConstraint.php•"��vC\•"��Í¥#K´������S���vendor/justinrainbow/json-schema/src/JsonSchema/Constraints/UndefinedConstraint.php˜=��vC\˜=��ÎÑî´������J���vendor/justinrainbow/json-schema/src/JsonSchema/Constraints/Constraint.phpX��vC\X��¿´������\���vendor/justinrainbow/json-schema/src/JsonSchema/Constraints/TypeCheck/TypeCheckInterface.php¡��vC\¡��c>°Ï´������X���vendor/justinrainbow/json-schema/src/JsonSchema/Constraints/TypeCheck/LooseTypeCheck.php��vC\��¹
üÀ´������Y���vendor/justinrainbow/json-schema/src/JsonSchema/Constraints/TypeCheck/StrictTypeCheck.phpè��vC\è��~å±Õ´������N���vendor/justinrainbow/json-schema/src/JsonSchema/Constraints/EnumConstraint.phpq��vC\q��Å`È ´������S���vendor/justinrainbow/json-schema/src/JsonSchema/Constraints/ConstraintInterface.php��vC\��t±eä´������T���vendor/justinrainbow/json-schema/src/JsonSchema/Constraints/CollectionConstraint.php¬��vC\¬��|ôs´������N���vendor/justinrainbow/json-schema/src/JsonSchema/Constraints/TypeConstraint.php&��vC\&��ÙŒ]´������P���vendor/justinrainbow/json-schema/src/JsonSchema/Constraints/ObjectConstraint.php��vC\��Fgc„´������P���vendor/justinrainbow/json-schema/src/JsonSchema/Constraints/NumberConstraint.phpº��vC\º��B2´������G���vendor/justinrainbow/json-schema/src/JsonSchema/Constraints/Factory.phpF��vC\F��:0À/´������N���vendor/justinrainbow/json-schema/src/JsonSchema/Constraints/BaseConstraint.php%��vC\%��’Ý2£´������=���vendor/justinrainbow/json-schema/src/JsonSchema/Validator.php
��vC\
��Òã _´������F���vendor/justinrainbow/json-schema/src/JsonSchema/Entity/JsonPointer.php>
��vC\>
��W´������K���vendor/justinrainbow/json-schema/src/JsonSchema/Iterator/ObjectIterator.phpç
��vC\ç
��H¸©´������W���vendor/justinrainbow/json-schema/src/JsonSchema/Exception/ResourceNotFoundException.phpT��vC\T��ðØ:´������R���vendor/justinrainbow/json-schema/src/JsonSchema/Exception/UriResolverException.phpJ��vC\J��ïð-´������P���vendor/justinrainbow/json-schema/src/JsonSchema/Exception/ExceptionInterface.phpI���vC\I���%|°´������W���vendor/justinrainbow/json-schema/src/JsonSchema/Exception/InvalidSourceUriException.php\��vC\\��ªiR´������T���vendor/justinrainbow/json-schema/src/JsonSchema/Exception/InvalidSchemaException.phpN��vC\N��¯Ý ´������^���vendor/justinrainbow/json-schema/src/JsonSchema/Exception/UnresolvableJsonPointerException.phpŠ��vC\Š��.ºmi´������T���vendor/justinrainbow/json-schema/src/JsonSchema/Exception/InvalidConfigException.phpQ��vC\Q���ÖJï´������Q���vendor/justinrainbow/json-schema/src/JsonSchema/Exception/ValidationException.php��vC\��EåB*´������V���vendor/justinrainbow/json-schema/src/JsonSchema/Exception/InvalidArgumentException.phpy��vC\y��€WÎ–´������]���vendor/justinrainbow/json-schema/src/JsonSchema/Exception/InvalidSchemaMediaTypeException.phpW��vC\W��%*)Ö´������N���vendor/justinrainbow/json-schema/src/JsonSchema/Exception/RuntimeException.phpa��vC\a��`Ú—´������S���vendor/justinrainbow/json-schema/src/JsonSchema/Exception/JsonDecodingException.phpÛ��vC\Û��Ù£½´������4���vendor/gettext/languages/bin/export-plural-rules.php*$��vC\*$��{	Nb´������+���vendor/gettext/languages/src/autoloader.phpU��vC\U��Vºš´������)���vendor/gettext/languages/src/Category.php��vC\��´������1���vendor/gettext/languages/src/FormulaConverter.php��vC\��ÝëgW´������-���vendor/gettext/languages/src/Exporter/Php.phpx��vC\x��7‹?X´������2���vendor/gettext/languages/src/Exporter/Exporter.php0��vC\0�� pÓ´������,���vendor/gettext/languages/src/Exporter/Po.php4��vC\4��+Šÿ´������4���vendor/gettext/languages/src/Exporter/Prettyjson.phpÍ��vC\Í��²žýæ´������.���vendor/gettext/languages/src/Exporter/Html.phpH	��vC\H	��{æÂŸ´������.���vendor/gettext/languages/src/Exporter/Json.phpb��vC\b��W@4ª´������.���vendor/gettext/languages/src/Exporter/Docs.phpî��vC\î��S
\´������-���vendor/gettext/languages/src/Exporter/Xml.php‡��vC\‡��¢ù1´������)���vendor/gettext/languages/src/CldrData.phpª5��vC\ª5��³[eA´������)���vendor/gettext/languages/src/Language.phpŒ=��vC\Œ=��n]öe´������)���vendor/gettext/gettext/src/autoloader.php��vC\��A«p´������$���vendor/gettext/gettext/src/Merge.php>��vC\>��&Í ‹´������2���vendor/gettext/gettext/src/TranslatorInterface.php%
��vC\%
��Íø¤´������/���vendor/gettext/gettext/src/Generators/Xliff.phpá
��vC\á
��®¢µí´������,���vendor/gettext/gettext/src/Generators/Po.phpÖ��vC\Ö��b©y´������<���vendor/gettext/gettext/src/Generators/GeneratorInterface.php§��vC\§��£g´������.���vendor/gettext/gettext/src/Generators/Json.phpM��vC\M��k3³ð´������7���vendor/gettext/gettext/src/Generators/CsvDictionary.php¢��vC\¢��
›9A´������8���vendor/gettext/gettext/src/Generators/YamlDictionary.phpÌ��vC\Ì��¨`‚8´������-���vendor/gettext/gettext/src/Generators/Csv.php��vC\��E¡€=´������.���vendor/gettext/gettext/src/Generators/Yaml.phpØ��vC\Ø��‹fu´������2���vendor/gettext/gettext/src/Generators/PhpArray.php§��vC\§��Ów8-´������8���vendor/gettext/gettext/src/Generators/JsonDictionary.php;��vC\;��¹8´������-���vendor/gettext/gettext/src/Generators/Jed.phpx��vC\x��¾4¦´������3���vendor/gettext/gettext/src/Generators/Generator.php¼��vC\¼��³3´������,���vendor/gettext/gettext/src/Generators/Mo.phpé��vC\é��G4Â¾´������+���vendor/gettext/gettext/src/Translations.phpÙ<��vC\Ù<��®ry´������.���vendor/gettext/gettext/src/Extractors/Twig.php8��vC\8��ŒÆ§P´������/���vendor/gettext/gettext/src/Extractors/Xliff.phpÂ	��vC\Â	��¶þŒÎ´������,���vendor/gettext/gettext/src/Extractors/Po.php‡��vC\‡��ji(´������.���vendor/gettext/gettext/src/Extractors/Json.php,��vC\,��7¡´������7���vendor/gettext/gettext/src/Extractors/CsvDictionary.phpN��vC\N��Hu÷Ä´������8���vendor/gettext/gettext/src/Extractors/YamlDictionary.phpO��vC\O��5°¶´������/���vendor/gettext/gettext/src/Extractors/Blade.phpØ��vC\Ø��±ÐS´������-���vendor/gettext/gettext/src/Extractors/Csv.php��vC\��²÷ª¾´������.���vendor/gettext/gettext/src/Extractors/Yaml.php[��vC\[��\)p´������2���vendor/gettext/gettext/src/Extractors/PhpArray.phpE��vC\E��¢Pg´������<���vendor/gettext/gettext/src/Extractors/ExtractorInterface.php
��vC\
��p}YÐ´������/���vendor/gettext/gettext/src/Extractors/VueJs.php™#��vC\™#��ïiÆ]´������8���vendor/gettext/gettext/src/Extractors/JsonDictionary.php&��vC\&��1Á²´������1���vendor/gettext/gettext/src/Extractors/PhpCode.phpç��vC\ç��¼[Ðœ´������-���vendor/gettext/gettext/src/Extractors/Jed.php��vC\��·QIÆ´������,���vendor/gettext/gettext/src/Extractors/Mo.phpÕ��vC\Õ��‰Ì“ï´������3���vendor/gettext/gettext/src/Extractors/Extractor.php†��vC\†��<Öú¦´������0���vendor/gettext/gettext/src/Extractors/JsCode.php��vC\��j©,´������)���vendor/gettext/gettext/src/Translator.php–��vC\–��
B$´������*���vendor/gettext/gettext/src/Translation.php
(��vC\
(��ëç	´������0���vendor/gettext/gettext/src/GettextTranslator.php¾��vC\¾��Þ¼£|´������3���vendor/gettext/gettext/src/translator_functions.php0��vC\0��ôëÈ´������-���vendor/gettext/gettext/src/BaseTranslator.php¢��vC\¢��2qØ¥´������?���vendor/gettext/gettext/src/Utils/MultidimensionalArrayTrait.php´��vC\´��áAMí´������4���vendor/gettext/gettext/src/Utils/DictionaryTrait.phpæ��vC\æ��¡8?]´������1���vendor/gettext/gettext/src/Utils/StringReader.php³��vC\³��Põ´������-���vendor/gettext/gettext/src/Utils/CsvTrait.php}��vC\}��¥µ1G´������3���vendor/gettext/gettext/src/Utils/ParsedFunction.phpq��vC\q��B‰Wc´������5���vendor/gettext/gettext/src/Utils/FunctionsScanner.phpÀ��vC\À��Ä~l´������7���vendor/gettext/gettext/src/Utils/JsFunctionsScanner.phpA��vC\A��OýA(´������:���vendor/gettext/gettext/src/Utils/HeadersExtractorTrait.phpv��vC\v��üž^´������:���vendor/gettext/gettext/src/Utils/HeadersGeneratorTrait.php5��vC\5��Xj´������8���vendor/gettext/gettext/src/Utils/PhpFunctionsScanner.phpþ��vC\þ��Â©m,´������2���vendor/gettext/gettext/src/Utils/ParsedComment.phpT��vC\T��h¥’´������*���vendor/mck89/peast/lib/Peast/Traverser.phpç��vC\ç��½ÂþJ´������8���vendor/mck89/peast/lib/Peast/Syntax/CommentsRegistry.php)��vC\)��û©|´������/���vendor/mck89/peast/lib/Peast/Syntax/Scanner.phpîÇ��vC\îÇ��jTÉ£´������+���vendor/mck89/peast/lib/Peast/Syntax/LSM.phpž��vC\ž��{O™×´������-���vendor/mck89/peast/lib/Peast/Syntax/Token.php€
��vC\€
��;/V´������6���vendor/mck89/peast/lib/Peast/Syntax/SourceLocation.php¤��vC\¤��èØ¬A´������5���vendor/mck89/peast/lib/Peast/Syntax/EventsEmitter.php��vC\��†{u´������=���vendor/mck89/peast/lib/Peast/Syntax/Node/UpdateExpression.php;	��vC\;	��3mÌÿ´������9���vendor/mck89/peast/lib/Peast/Syntax/Node/ForStatement.phpC��vC\C��1¡ª´������>���vendor/mck89/peast/lib/Peast/Syntax/Node/ModuleDeclaration.php��vC\��Ônt«´������4���vendor/mck89/peast/lib/Peast/Syntax/Node/Literal.php��vC\��Ä5Ê´������;���vendor/mck89/peast/lib/Peast/Syntax/Node/ThisExpression.php ��vC\ ��â%a‚´������=���vendor/mck89/peast/lib/Peast/Syntax/Node/BinaryExpression.phpW��vC\W��ÆðÃ[´������:���vendor/mck89/peast/lib/Peast/Syntax/Node/SpreadElement.php…��vC\…��â‚%¯´������?���vendor/mck89/peast/lib/Peast/Syntax/Node/SequenceExpression.phpÊ��vC\Ê��òÜÓ´������C���vendor/mck89/peast/lib/Peast/Syntax/Node/ImportDefaultSpecifier.phpç��vC\ç��áäJ´������;���vendor/mck89/peast/lib/Peast/Syntax/Node/NumericLiteral.phpœ��vC\œ��Ñ&O´������6���vendor/mck89/peast/lib/Peast/Syntax/Node/ClassBody.phpH��vC\H��ŸhZ´������8���vendor/mck89/peast/lib/Peast/Syntax/Node/RestElement.php–��vC\–��Ä›Œ´������<���vendor/mck89/peast/lib/Peast/Syntax/Node/ReturnStatement.phpõ��vC\õ��Ö:Cë´������4���vendor/mck89/peast/lib/Peast/Syntax/Node/Pattern.php��vC\��ÅÕ�¾´������6���vendor/mck89/peast/lib/Peast/Syntax/Node/Statement.php…��vC\…��…—’´������=���vendor/mck89/peast/lib/Peast/Syntax/Node/MemberExpression.phpé	��vC\é	��|K
´������E���vendor/mck89/peast/lib/Peast/Syntax/Node/ImportNamespaceSpecifier.phpÝ��vC\Ý��Móžc´������>���vendor/mck89/peast/lib/Peast/Syntax/Node/ContinueStatement.php‚��vC\‚��ìÈZY´������E���vendor/mck89/peast/lib/Peast/Syntax/Node/TaggedTemplateExpression.php\��vC\\��è×ß´������:���vendor/mck89/peast/lib/Peast/Syntax/Node/WithStatement.phpd��vC\d��º|J´������:���vendor/mck89/peast/lib/Peast/Syntax/Node/StringLiteral.php¿	��vC\¿	��5¿vâ´������;���vendor/mck89/peast/lib/Peast/Syntax/Node/ForInStatement.php	��vC\	��Pã›´������<���vendor/mck89/peast/lib/Peast/Syntax/Node/ModuleSpecifier.phpO��vC\O��9EM´������<���vendor/mck89/peast/lib/Peast/Syntax/Node/SwitchStatement.phpî��vC\î��¥Áè´������;���vendor/mck89/peast/lib/Peast/Syntax/Node/CallExpression.phpe��vC\e��!¶ñŠ´������8���vendor/mck89/peast/lib/Peast/Syntax/Node/CatchClause.php—��vC\—��
æ'´������<���vendor/mck89/peast/lib/Peast/Syntax/Node/ArrayExpression.php��vC\��t8¬î´������8���vendor/mck89/peast/lib/Peast/Syntax/Node/IfStatement.php
��vC\
��{•›´������D���vendor/mck89/peast/lib/Peast/Syntax/Node/ParenthesizedExpression.phpˆ��vC\ˆ��(‚åÓ´������8���vendor/mck89/peast/lib/Peast/Syntax/Node/Declaration.php›��vC\›��8³4å´������>���vendor/mck89/peast/lib/Peast/Syntax/Node/DebuggerStatement.php¾��vC\¾��diã´������=���vendor/mck89/peast/lib/Peast/Syntax/Node/MethodDefinition.php…��vC\…��ƒu—Ñ´������;���vendor/mck89/peast/lib/Peast/Syntax/Node/BooleanLiteral.phpI��vC\I��mÎÎ|´������A���vendor/mck89/peast/lib/Peast/Syntax/Node/ExportAllDeclaration.phpa��vC\a��§~&
´������=���vendor/mck89/peast/lib/Peast/Syntax/Node/ObjectExpression.phpÍ��vC\Í��'!E´������7���vendor/mck89/peast/lib/Peast/Syntax/Node/SwitchCase.phpX��vC\X��ûE´������<���vendor/mck89/peast/lib/Peast/Syntax/Node/UnaryExpression.phpR	��vC\R	��~uÒ´������2���vendor/mck89/peast/lib/Peast/Syntax/Node/Super.php‚��vC\‚��RCÜ(´������;���vendor/mck89/peast/lib/Peast/Syntax/Node/EmptyStatement.php£��vC\£��n²½´������;���vendor/mck89/peast/lib/Peast/Syntax/Node/ForOfStatement.phpš��vC\š��ý¿,é´������5���vendor/mck89/peast/lib/Peast/Syntax/Node/Property.php��vC\��™ü
©´������<���vendor/mck89/peast/lib/Peast/Syntax/Node/ExportSpecifier.php„��vC\„��LÛ¨´������<���vendor/mck89/peast/lib/Peast/Syntax/Node/TemplateElement.phpô	��vC\ô	��7†ÿÑ´������;���vendor/mck89/peast/lib/Peast/Syntax/Node/BreakStatement.phpy��vC\y��‘‹2´������4���vendor/mck89/peast/lib/Peast/Syntax/Node/Program.phpŠ��vC\Š��:ˆA´������>���vendor/mck89/peast/lib/Peast/Syntax/Node/ImportDeclaration.php‚��vC\‚���XŸ9´������<���vendor/mck89/peast/lib/Peast/Syntax/Node/YieldExpression.php3��vC\3��£Û5œ´������:���vendor/mck89/peast/lib/Peast/Syntax/Node/ObjectPattern.phpÖ��vC\Ö��¿ýçÜ´������C���vendor/mck89/peast/lib/Peast/Syntax/Node/ExportNamedDeclaration.phpÑ	��vC\Ñ	��ž÷£€´������?���vendor/mck89/peast/lib/Peast/Syntax/Node/AssignmentProperty.php˜��vC\˜��Œ½±Y´������<���vendor/mck89/peast/lib/Peast/Syntax/Node/ImportSpecifier.php��vC\��H¾ê½´������=���vendor/mck89/peast/lib/Peast/Syntax/Node/DoWhileStatement.php2��vC\2��¨¥¡´������4���vendor/mck89/peast/lib/Peast/Syntax/Node/Comment.phpX��vC\X��üX ´������7���vendor/mck89/peast/lib/Peast/Syntax/Node/Identifier.php��vC\��’²´������:���vendor/mck89/peast/lib/Peast/Syntax/Node/RegExpLiteral.phpX
��vC\X
��õD49´������3���vendor/mck89/peast/lib/Peast/Syntax/Node/Class_.phpy��vC\y��nà´������7���vendor/mck89/peast/lib/Peast/Syntax/Node/Expression.php‡��vC\‡��zw÷!´������9���vendor/mck89/peast/lib/Peast/Syntax/Node/MetaProperty.php��vC\��™ù:´������<���vendor/mck89/peast/lib/Peast/Syntax/Node/AwaitExpression.phpU��vC\U��¡Üø´������B���vendor/mck89/peast/lib/Peast/Syntax/Node/ConditionalExpression.php	��vC\	��–ú¨‰´������8���vendor/mck89/peast/lib/Peast/Syntax/Node/JSX/JSXText.phpù��vC\ù��?õ“H´������C���vendor/mck89/peast/lib/Peast/Syntax/Node/JSX/JSXSpreadAttribute.phpÆ��vC\Æ��=ïêW´������>���vendor/mck89/peast/lib/Peast/Syntax/Node/JSX/JSXIdentifier.phpµ��vC\µ��Öhùv´������D���vendor/mck89/peast/lib/Peast/Syntax/Node/JSX/JSXMemberExpression.php^��vC\^��1*G´������<���vendor/mck89/peast/lib/Peast/Syntax/Node/JSX/JSXFragment.php…
��vC\…
��£P²×´������B���vendor/mck89/peast/lib/Peast/Syntax/Node/JSX/JSXOpeningElement.php��vC\��íDDd´������;���vendor/mck89/peast/lib/Peast/Syntax/Node/JSX/JSXElement.php¥
��vC\¥
��öø!H´������?���vendor/mck89/peast/lib/Peast/Syntax/Node/JSX/JSXSpreadChild.php¥��vC\¥��ú×Í´������C���vendor/mck89/peast/lib/Peast/Syntax/Node/JSX/JSXClosingFragment.php¸��vC\¸��|<_´������B���vendor/mck89/peast/lib/Peast/Syntax/Node/JSX/JSXClosingElement.php¦��vC\¦��Ýfó¡´������=���vendor/mck89/peast/lib/Peast/Syntax/Node/JSX/JSXAttribute.phpx��vC\x��b.i´������C���vendor/mck89/peast/lib/Peast/Syntax/Node/JSX/JSXEmptyExpression.php´��vC\´��[-˜S´������C���vendor/mck89/peast/lib/Peast/Syntax/Node/JSX/JSXBoundaryElement.phpz��vC\z��
KNæ´������G���vendor/mck89/peast/lib/Peast/Syntax/Node/JSX/JSXExpressionContainer.phpÃ��vC\Ã��°]Oâ´������C���vendor/mck89/peast/lib/Peast/Syntax/Node/JSX/JSXOpeningFragment.php¸��vC\¸��Èp´������B���vendor/mck89/peast/lib/Peast/Syntax/Node/JSX/JSXNamespacedName.php|��vC\|��ë©ÅÍ´������=���vendor/mck89/peast/lib/Peast/Syntax/Node/ClassDeclaration.phpÐ��vC\Ð��%^éj´������:���vendor/mck89/peast/lib/Peast/Syntax/Node/NewExpression.php®��vC\®��ï°>¬´������<���vendor/mck89/peast/lib/Peast/Syntax/Node/TemplateLiteral.phpN
��vC\N
��¶¸D´������9���vendor/mck89/peast/lib/Peast/Syntax/Node/TryStatement.php	��vC\	��xk¹°´������;���vendor/mck89/peast/lib/Peast/Syntax/Node/WhileStatement.php*��vC\*��ê®“‡´������@���vendor/mck89/peast/lib/Peast/Syntax/Node/FunctionDeclaration.phpÕ��vC\Õ��D*ê´������A���vendor/mck89/peast/lib/Peast/Syntax/Node/AssignmentExpression.php2	��vC\2	��úTŽ´������?���vendor/mck89/peast/lib/Peast/Syntax/Node/FunctionExpression.phpÕ��vC\Õ��Á½ÁU´������E���vendor/mck89/peast/lib/Peast/Syntax/Node/ExportDefaultDeclaration.php��vC\��3"	´������D���vendor/mck89/peast/lib/Peast/Syntax/Node/ArrowFunctionExpression.phpý��vC\ý��Ñ…Ï÷´������6���vendor/mck89/peast/lib/Peast/Syntax/Node/Function_.phpÙ
��vC\Ù
��wŸvñ´������1���vendor/mck89/peast/lib/Peast/Syntax/Node/Node.php¬!��vC\¬!��×êç´������?���vendor/mck89/peast/lib/Peast/Syntax/Node/VariableDeclarator.php«��vC\«��ÑböÙ´������@���vendor/mck89/peast/lib/Peast/Syntax/Node/VariableDeclaration.phpc��vC\c��·£I´������8���vendor/mck89/peast/lib/Peast/Syntax/Node/NullLiteral.php��vC\��ÝKÚ´������>���vendor/mck89/peast/lib/Peast/Syntax/Node/AssignmentPattern.php±��vC\±��ÀRY´������;���vendor/mck89/peast/lib/Peast/Syntax/Node/ThrowStatement.phpl��vC\l��ƒ¢±€´������;���vendor/mck89/peast/lib/Peast/Syntax/Node/BlockStatement.phpž��vC\ž��Ÿà�†´������@���vendor/mck89/peast/lib/Peast/Syntax/Node/ExpressionStatement.phpŒ��vC\Œ��[´m´������>���vendor/mck89/peast/lib/Peast/Syntax/Node/LogicalExpression.phpZ��vC\Z��¿ÑSž´������9���vendor/mck89/peast/lib/Peast/Syntax/Node/ArrayPattern.php—��vC\—��ÞÊ‘(´������<���vendor/mck89/peast/lib/Peast/Syntax/Node/ClassExpression.phpÂ��vC\Â��p~ªÃ´������=���vendor/mck89/peast/lib/Peast/Syntax/Node/LabeledStatement.phpæ��vC\æ��(Ž’´������.���vendor/mck89/peast/lib/Peast/Syntax/Parser.php×#��vC\×#��<ðŽ´������3���vendor/mck89/peast/lib/Peast/Syntax/JSX/Scanner.phpe��vC\e��– ËÑ´������2���vendor/mck89/peast/lib/Peast/Syntax/JSX/Parser.phpr6��vC\r6��q†©©´������6���vendor/mck89/peast/lib/Peast/Syntax/ES2016/Scanner.php��vC\��’ÐÈ·´������5���vendor/mck89/peast/lib/Peast/Syntax/ES2016/Parser.phpR��vC\R��a	Ï6´������6���vendor/mck89/peast/lib/Peast/Syntax/ES2018/Scanner.php‚��vC\‚��¹q´������5���vendor/mck89/peast/lib/Peast/Syntax/ES2018/Parser.php6��vC\6��PÀøT´������-���vendor/mck89/peast/lib/Peast/Syntax/Utils.phpñ��vC\ñ��ë7´������6���vendor/mck89/peast/lib/Peast/Syntax/ES2015/Scanner.php	��vC\	��HiX´������5���vendor/mck89/peast/lib/Peast/Syntax/ES2015/Parser.phpV´�vC\V´�=¿å´������1���vendor/mck89/peast/lib/Peast/Syntax/Exception.phpD��vC\D��BÍŒ´������6���vendor/mck89/peast/lib/Peast/Syntax/ES2017/Scanner.php>��vC\>��D§¥ö´������5���vendor/mck89/peast/lib/Peast/Syntax/ES2017/Parser.php}S��vC\}S��pü´������0���vendor/mck89/peast/lib/Peast/Syntax/Position.phpß��vC\ß��õ#C.´������6���vendor/mck89/peast/lib/Peast/Formatter/PrettyPrint.phpr��vC\r��ŒjéÏ´������2���vendor/mck89/peast/lib/Peast/Formatter/Compact.php·��vC\·��ûêt´������/���vendor/mck89/peast/lib/Peast/Formatter/Base.php…��vC\…��|nÂ›´������3���vendor/mck89/peast/lib/Peast/Formatter/Expanded.phpç��vC\ç��¾¨x´������&���vendor/mck89/peast/lib/Peast/Peast.phpo��vC\o��ÛGòÑ´������)���vendor/mck89/peast/lib/Peast/Renderer.php¦Œ��vC\¦Œ��¿¡•´������+���vendor/wp-cli/wp-cli/templates/man.mustacheþ���vC\þ���©I<´������2���vendor/wp-cli/wp-cli/templates/man-params.mustache��vC\��ý±C´������9���vendor/wp-cli/config-command/templates/wp-config.mustache	��vC\	��69Ð´������6���vendor/wp-cli/core-command/templates/versions.mustacheŒ���vC\Œ���SU"´´������?���vendor/wp-cli/extension-command/templates/theme-status.mustachex���vC\x���ÇgÑ´������@���vendor/wp-cli/extension-command/templates/plugin-status.mustacheš���vC\š���o[Æ5´������;���vendor/wp-cli/scaffold-command/templates/block-php.mustache
��vC\
��¿D´������B���vendor/wp-cli/scaffold-command/templates/plugin-gitignore.mustache^���vC\^���ÇÁæ€´������8���vendor/wp-cli/scaffold-command/templates/plugin.mustacheq��vC\q��G‰qÒ´������D���vendor/wp-cli/scaffold-command/templates/plugin-test-sample.mustache'��vC\'��\~§´������?���vendor/wp-cli/scaffold-command/templates/plugin-gitlab.mustache\��vC\\��âü ´������?���vendor/wp-cli/scaffold-command/templates/plugin-circle.mustacheB
��vC\B
��/ÃG2´������B���vendor/wp-cli/scaffold-command/templates/plugin-bootstrap.mustacheC��vC\C��]:.}´������A���vendor/wp-cli/scaffold-command/templates/block-style-css.mustache��vC\��®—Ø´������C���vendor/wp-cli/scaffold-command/templates/plugin-distignore.mustacheî��vC\î��&´�´������>���vendor/wp-cli/scaffold-command/templates/theme-status.mustachex���vC\x���ÇgÑ´������<���vendor/wp-cli/scaffold-command/templates/install-wp-tests.sh¤��vC\¤��aÉô*´������6���vendor/wp-cli/scaffold-command/templates/.editorconfigÀ��vC\À��¦hÑ´������?���vendor/wp-cli/scaffold-command/templates/plugin-readme.mustache��vC\��´������C���vendor/wp-cli/scaffold-command/templates/theme-test-sample.mustache&��vC\&��ý•î´������B���vendor/wp-cli/scaffold-command/templates/block-editor-css.mustacheË���vC\Ë���“,V]´������G���vendor/wp-cli/scaffold-command/templates/child_theme_functions.mustacheS��vC\S�� ¨W´������D���vendor/wp-cli/scaffold-command/templates/post_type_extended.mustacheþ��vC\þ��É,´������@���vendor/wp-cli/scaffold-command/templates/block-index-js.mustacheì	��vC\ì	��ò6Zk´������:���vendor/wp-cli/scaffold-command/templates/taxonomy.mustacheU
��vC\U
��éæ8´������=���vendor/wp-cli/scaffold-command/templates/child_theme.mustacheÔ���vC\Ô���éýö¹´������C���vendor/wp-cli/scaffold-command/templates/taxonomy_extended.mustacheë��vC\ë��×Þ0¬´������;���vendor/wp-cli/scaffold-command/templates/post_type.mustache•
��vC\•
��€ˆxû´������8���vendor/wp-cli/scaffold-command/templates/.phpcs.xml.distg��vC\g��¥ù4´������A���vendor/wp-cli/scaffold-command/templates/plugin-packages.mustacheð���vC\ð���®¤U´������9���vendor/wp-cli/scaffold-command/templates/phpunit.xml.dist…��vC\…��%ÕõF´������?���vendor/wp-cli/scaffold-command/templates/plugin-travis.mustacheZ��vC\Z��#(´������B���vendor/wp-cli/scaffold-command/templates/plugin-bitbucket.mustache‘��vC\‘��ZBgm´������A���vendor/wp-cli/scaffold-command/templates/theme-bootstrap.mustache“��vC\“��çD®·´������B���vendor/wp-cli/scaffold-command/templates/plugin-gruntfile.mustache¥��vC\¥��ÑT‹´���������vendor/autoload.php²���vC\²���~
<´������ ���vendor/composer/composer/LICENSE,��vC\,��V†g‚´������1���vendor/composer/composer/res/composer-schema.json…–��vC\…–��º,˜´������<���vendor/rmccue/requests/library/Requests/Transport/cacert.pem¾~�vC\¾~�a#^´������&���vendor/wp-cli/wp-cli/COMPOSER_VERSIONS¾
��vC\¾
��ôw´´���������vendor/wp-cli/wp-cli/VERSION���vC\���ÑrYU´������<?php

return array(
	'path'              => array(
		'runtime' => '=<path>',
		'file'    => '<path>',
		'desc'    => 'Path to the WordPress files.',
	),

'url'               => array(
		'runtime' => '=<url>',
		'file'    => '<url>',
		'desc'    => 'Pretend request came from given URL. In multisite, this argument is how the target site is specified.',
	),

'ssh'               => array(
		'runtime' => '=[<scheme>:][<user>@]<host|container>[:<port>][<path>]',
		'file'    => '[<scheme>:][<user>@]<host|container>[:<port>][<path>]',
		'desc'    => 'Perform operation against a remote server over SSH (or a container using scheme of "docker", "docker-compose", "vagrant").',
	),

'http'              => array(
		'runtime' => '=<http>',
		'file'    => '<http>',
		'desc'    => 'Perform operation against a remote WordPress installation over HTTP.',
	),

'blog'              => array(
		'deprecated' => 'Use --url instead.',
		'runtime'    => '=<url>',
	),

'user'              => array(
		'runtime' => '=<id|login|email>',
		'file'    => '<id|login|email>',
		'desc'    => 'Set the WordPress user.',
	),

'skip-plugins'      => array(
		'runtime' => '[=<plugins>]',
		'file'    => '<list>',
		'desc'    => 'Skip loading all plugins, or a comma-separated list of plugins. Note: mu-plugins are still loaded.',
		'default' => '',
	),

'skip-themes'       => array(
		'runtime' => '[=<themes>]',
		'file'    => '<list>',
		'desc'    => 'Skip loading all themes, or a comma-separated list of themes.',
		'default' => '',
	),

'skip-packages'     => array(
		'runtime' => '',
		'file'    => '<bool>',
		'desc'    => 'Skip loading all installed packages.',
		'default' => false,
	),

'require'           => array(
		'runtime'  => '=<path>',
		'file'     => '<path>',
		'desc'     => 'Load PHP file before running the command (may be used more than once).',
		'multiple' => true,
		'default'  => array(),
	),

'disabled_commands' => array(
		'file'    => '<list>',
		'default' => array(),
		'desc'    => '(Sub)commands to disable.',
	),

'color'             => array(
		'runtime' => true,
		'file'    => '<bool>',
		'default' => 'auto',
		'desc'    => 'Whether to colorize the output.',
	),

'debug'             => array(
		'runtime' => '[=<group>]',
		'file'    => '<group>',
		'default' => false,
		'desc'    => 'Show all PHP errors and add verbosity to WP-CLI output. Built-in groups include: bootstrap, commandfactory, and help.',
	),

'prompt'            => array(
		'runtime' => '[=<assoc>]',
		'file'    => false,
		'default' => false,
		'desc'    => 'Prompt the user to enter values for all command arguments, or a subset specified as comma-separated values.',
	),

'quiet'             => array(
		'runtime' => '',
		'file'    => '<bool>',
		'default' => false,
		'desc'    => 'Suppress informational messages.',
	),

'apache_modules'    => array(
		'file'     => '<list>',
		'desc'     => 'List of Apache Modules that are to be reported as loaded.',
		'multiple' => true,
		'default'  => array(),
	),

# --allow-root => (NOT RECOMMENDED) Allow wp-cli to run as root. This poses
	# a security risk, so you probably do not want to do this.
	'allow-root'        => array(
		'file'    => false, # Explicit. Just in case the default changes.
		'runtime' => '',
		'hidden'  => true,
	),

);
<?php

// Utilities that do NOT depend on WordPress code.

namespace WP_CLI\Utils;

use \Composer\Semver\Comparator;
use \Composer\Semver\Semver;
use \WP_CLI;
use \WP_CLI\Dispatcher;
use \WP_CLI\Inflector;
use \WP_CLI\Iterators\Transform;

const PHAR_STREAM_PREFIX = 'phar://';

function inside_phar() {
	return 0 === strpos( WP_CLI_ROOT, PHAR_STREAM_PREFIX );
}

// Files that need to be read by external programs have to be extracted from the Phar archive.
function extract_from_phar( $path ) {
	if ( ! inside_phar() ) {
		return $path;
	}

$fname = basename( $path );

$tmp_path = get_temp_dir() . uniqid( 'wp-cli-extract-from-phar-', true ) . "-$fname";

copy( $path, $tmp_path );

register_shutdown_function(
		function() use ( $tmp_path ) {
			if ( file_exists( $tmp_path ) ) {
				unlink( $tmp_path );
			}
		}
	);

return $tmp_path;
}

$has_autoload = false;

foreach ( get_vendor_paths() as $vendor_path ) {
		if ( file_exists( $vendor_path . '/autoload.php' ) ) {
			require $vendor_path . '/autoload.php';
			$has_autoload = true;
			break;
		}
	}

if ( ! $has_autoload ) {
		fwrite( STDERR, "Internal error: Can't find Composer autoloader.\nTry running: composer install\n" );
		exit( 3 );
	}
}

// Using require() directly inside a class grants access to private methods to the loaded code
function load_file( $path ) {
	require_once $path;
}

function load_command( $name ) {
	$path = WP_CLI_ROOT . "/php/commands/$name.php";

if ( is_readable( $path ) ) {
		include_once $path;
	}
}

/**
 * Like array_map(), except it returns a new iterator, instead of a modified array.
 *
 * Example:
 *
 *     $arr = array('Football', 'Socker');
 *
 *     $it = iterator_map($arr, 'strtolower', function($val) {
 *       return str_replace('foo', 'bar', $val);
 *     });
 *
 *     foreach ( $it as $val ) {
 *       var_dump($val);
 *     }
 *
 * @param array|object Either a plain array or another iterator
 * @param callback The function to apply to an element
 * @return object An iterator that applies the given callback(s)
 */
function iterator_map( $it, $fn ) {
	if ( is_array( $it ) ) {
		$it = new \ArrayIterator( $it );
	}

if ( ! method_exists( $it, 'add_transform' ) ) {
		$it = new Transform( $it );
	}

foreach ( array_slice( func_get_args(), 1 ) as $fn ) {
		$it->add_transform( $fn );
	}

return $it;
}

/**
 * Search for file by walking up the directory tree until the first file is found or until $stop_check($dir) returns true
 * @param string|array The files (or file) to search for
 * @param string|null The directory to start searching from; defaults to CWD
 * @param callable Function which is passed the current dir each time a directory level is traversed
 * @return null|string Null if the file was not found
 */
function find_file_upward( $files, $dir = null, $stop_check = null ) {
	$files = (array) $files;
	if ( is_null( $dir ) ) {
		$dir = getcwd();
	}
	while ( is_readable( $dir ) ) {
		// Stop walking up when the supplied callable returns true being passed the $dir
		if ( is_callable( $stop_check ) && call_user_func( $stop_check, $dir ) ) {
			return null;
		}

foreach ( $files as $file ) {
			$path = $dir . DIRECTORY_SEPARATOR . $file;
			if ( file_exists( $path ) ) {
				return $path;
			}
		}

$parent_dir = dirname( $dir );
		if ( empty( $parent_dir ) || $parent_dir === $dir ) {
			break;
		}
		$dir = $parent_dir;
	}
	return null;
}

function is_path_absolute( $path ) {
	// Windows
	if ( isset( $path[1] ) && ':' === $path[1] ) {
		return true;
	}

return '/' === $path[0];
}

/**
 * Composes positional arguments into a command string.
 *
 * @param array
 * @return string
 */
function args_to_str( $args ) {
	return ' ' . implode( ' ', array_map( 'escapeshellarg', $args ) );
}

/**
 * Composes associative arguments into a command string.
 *
 * @param array
 * @return string
 */
function assoc_args_to_str( $assoc_args ) {
	$str = '';

foreach ( $assoc_args as $key => $value ) {
		if ( true === $value ) {
			$str .= " --$key";
		} elseif ( is_array( $value ) ) {
			foreach ( $value as $_ => $v ) {
				$str .= assoc_args_to_str(
					array(
						$key => $v,
					)
				);
			}
		} else {
			$str .= " --$key=" . escapeshellarg( $value );
		}
	}

return $str;
}

/**
 * Given a template string and an arbitrary number of arguments,
 * returns the final command, with the parameters escaped.
 */
function esc_cmd( $cmd ) {
	if ( func_num_args() < 2 ) {
		trigger_error( 'esc_cmd() requires at least two arguments.', E_USER_WARNING );
	}

$args = func_get_args();

$cmd = array_shift( $args );

return vsprintf( $cmd, array_map( 'escapeshellarg', $args ) );
}

/**
 * Gets path to WordPress configuration.
 *
 * @return string
 */
function locate_wp_config() {
	static $path;

if ( null === $path ) {
		$path = false;

if ( file_exists( ABSPATH . 'wp-config.php' ) ) {
			$path = ABSPATH . 'wp-config.php';
		} elseif ( file_exists( dirname( ABSPATH ) . '/wp-config.php' ) && ! file_exists( dirname( ABSPATH ) . '/wp-settings.php' ) ) {
			$path = dirname( ABSPATH ) . '/wp-config.php';
		}

if ( $path ) {
			$path = realpath( $path );
		}
	}

return $path;
}

function wp_version_compare( $since, $operator ) {
	$wp_version = str_replace( '-src', '', $GLOBALS['wp_version'] );
	$since      = str_replace( '-src', '', $since );
	return version_compare( $wp_version, $since, $operator );
}

/**
 * Render a collection of items as an ASCII table, JSON, CSV, YAML, list of ids, or count.
 *
 * Given a collection of items with a consistent data structure:
 *
 * ```
 * $items = array(
 *     array(
 *         'key'   => 'foo',
 *         'value'  => 'bar',
 *     )
 * );
 * ```
 *
 * Render `$items` as an ASCII table:
 *
 * ```
 * WP_CLI\Utils\format_items( 'table', $items, array( 'key', 'value' ) );
 *
 * # +-----+-------+
 * # | key | value |
 * # +-----+-------+
 * # | foo | bar   |
 * # +-----+-------+
 * ```
 *
 * Or render `$items` as YAML:
 *
 * ```
 * WP_CLI\Utils\format_items( 'yaml', $items, array( 'key', 'value' ) );
 *
 * # ---
 * # -
 * #   key: foo
 * #   value: bar
 * ```
 *
 * @access public
 * @category Output
 *
 * @param string        $format     Format to use: 'table', 'json', 'csv', 'yaml', 'ids', 'count'
 * @param array         $items      An array of items to output.
 * @param array|string  $fields     Named fields for each item of data. Can be array or comma-separated list.
 * @return null
 */
function format_items( $format, $items, $fields ) {
	$assoc_args = compact( 'format', 'fields' );
	$formatter  = new \WP_CLI\Formatter( $assoc_args );
	$formatter->display_items( $items );
}

/**
 * Write data as CSV to a given file.
 *
 * @access public
 *
 * @param resource $fd         File descriptor
 * @param array    $rows       Array of rows to output
 * @param array    $headers    List of CSV columns (optional)
 */
function write_csv( $fd, $rows, $headers = array() ) {
	if ( ! empty( $headers ) ) {
		fputcsv( $fd, $headers );
	}

foreach ( $rows as $row ) {
		if ( ! empty( $headers ) ) {
			$row = pick_fields( $row, $headers );
		}

fputcsv( $fd, array_values( $row ) );
	}
}

/**
 * Pick fields from an associative array or object.
 *
 * @param array|object Associative array or object to pick fields from
 * @param array List of fields to pick
 * @return array
 */
function pick_fields( $item, $fields ) {
	$values = array();

if ( is_object( $item ) ) {
		foreach ( $fields as $field ) {
			$values[ $field ] = isset( $item->$field ) ? $item->$field : null;
		}
	} else {
		foreach ( $fields as $field ) {
			$values[ $field ] = isset( $item[ $field ] ) ? $item[ $field ] : null;
		}
	}

return $values;
}

/**
 * Launch system's $EDITOR for the user to edit some text.
 *
 * @access public
 * @category Input
 *
 * @param  string  $content  Some form of text to edit (e.g. post content)
 * @param  string  $title    Title to display in the editor.
 * @param  string  $ext      Extension to use with the temp file.
 * @return string|bool       Edited text, if file is saved from editor; false, if no change to file.
 */
function launch_editor_for_input( $input, $title = 'WP-CLI', $ext = 'tmp' ) {

check_proc_available( 'launch_editor_for_input' );

$tmpdir = get_temp_dir();

do {
		$tmpfile  = basename( $title );
		$tmpfile  = preg_replace( '|\.[^.]*$|', '', $tmpfile );
		$tmpfile .= '-' . substr( md5( mt_rand() ), 0, 6 );
		$tmpfile  = $tmpdir . $tmpfile . '.' . $ext;
		$fp       = fopen( $tmpfile, 'xb' );
		if ( ! $fp && is_writable( $tmpdir ) && file_exists( $tmpfile ) ) {
			$tmpfile = '';
			continue;
		}
		if ( $fp ) {
			fclose( $fp );
		}
	} while ( ! $tmpfile );

if ( ! $tmpfile ) {
		\WP_CLI::error( 'Error creating temporary file.' );
	}

$output = '';
	file_put_contents( $tmpfile, $input );

$editor = getenv( 'EDITOR' );
	if ( ! $editor ) {
		$editor = is_windows() ? 'notepad' : 'vi';
	}

$descriptorspec = array( STDIN, STDOUT, STDERR );
	$process        = proc_open_compat( "$editor " . escapeshellarg( $tmpfile ), $descriptorspec, $pipes );
	$r              = proc_close( $process );
	if ( $r ) {
		exit( $r );
	}

$output = file_get_contents( $tmpfile );

unlink( $tmpfile );

if ( $output === $input ) {
		return false;
	}

return $output;
}

/**
 * @param string MySQL host string, as defined in wp-config.php
 * @return array
 */
function mysql_host_to_cli_args( $raw_host ) {
	$assoc_args = array();

$host_parts = explode( ':', $raw_host );
	if ( count( $host_parts ) === 2 ) {
		list( $assoc_args['host'], $extra ) = $host_parts;
		$extra                              = trim( $extra );
		if ( is_numeric( $extra ) ) {
			$assoc_args['port']     = (int) $extra;
			$assoc_args['protocol'] = 'tcp';
		} elseif ( '' !== $extra ) {
			$assoc_args['socket'] = $extra;
		}
	} else {
		$assoc_args['host'] = $raw_host;
	}

return $assoc_args;
}

function run_mysql_command( $cmd, $assoc_args, $descriptors = null ) {
	check_proc_available( 'run_mysql_command' );

if ( ! $descriptors ) {
		$descriptors = array( STDIN, STDOUT, STDERR );
	}

if ( isset( $assoc_args['host'] ) ) {
		//@codingStandardsIgnoreStart
		$assoc_args = array_merge( $assoc_args, mysql_host_to_cli_args( $assoc_args['host'] ) );
		//@codingStandardsIgnoreEnd
	}

$pass = $assoc_args['pass'];
	unset( $assoc_args['pass'] );

$old_pass = getenv( 'MYSQL_PWD' );
	putenv( 'MYSQL_PWD=' . $pass );

$final_cmd = force_env_on_nix_systems( $cmd ) . assoc_args_to_str( $assoc_args );

$proc = proc_open_compat( $final_cmd, $descriptors, $pipes );
	if ( ! $proc ) {
		exit( 1 );
	}

$r = proc_close( $proc );

putenv( 'MYSQL_PWD=' . $old_pass );

if ( $r ) {
		exit( $r );
	}
}

/**
 * Render PHP or other types of files using Mustache templates.
 *
 * IMPORTANT: Automatic HTML escaping is disabled!
 */
function mustache_render( $template_name, $data = array() ) {
	if ( ! file_exists( $template_name ) ) {
		$template_name = WP_CLI_ROOT . "/templates/$template_name";
	}

$template = file_get_contents( $template_name );

$m = new \Mustache_Engine(
		array(
			'escape' => function ( $val ) {
				return $val; },
		)
	);

return $m->render( $template, $data );
}

/**
 * Create a progress bar to display percent completion of a given operation.
 *
 * Progress bar is written to STDOUT, and disabled when command is piped. Progress
 * advances with `$progress->tick()`, and completes with `$progress->finish()`.
 * Process bar also indicates elapsed time and expected total time.
 *
 * ```
 * # `wp user generate` ticks progress bar each time a new user is created.
 * #
 * # $ wp user generate --count=500
 * # Generating users  22 % [=======>                             ] 0:05 / 0:23
 *
 * $progress = \WP_CLI\Utils\make_progress_bar( 'Generating users', $count );
 * for ( $i = 0; $i < $count; $i++ ) {
 *     // uses wp_insert_user() to insert the user
 *     $progress->tick();
 * }
 * $progress->finish();
 * ```
 *
 * @access public
 * @category Output
 *
 * @param string  $message  Text to display before the progress bar.
 * @param integer $count    Total number of ticks to be performed.
 * @param int     $interval Optional. The interval in milliseconds between updates. Default 100.
 * @return cli\progress\Bar|WP_CLI\NoOp
 */
function make_progress_bar( $message, $count, $interval = 100 ) {
	if ( \cli\Shell::isPiped() ) {
		return new \WP_CLI\NoOp();
	}

return new \cli\progress\Bar( $message, $count, $interval );
}

function parse_url( $url ) {
	$url_parts = \parse_url( $url );

if ( ! isset( $url_parts['scheme'] ) ) {
		$url_parts = parse_url( 'http://' . $url );
	}

return $url_parts;
}

/**
 * Check if we're running in a Windows environment (cmd.exe).
 *
 * @return bool
 */
function is_windows() {
	$test_is_windows = getenv( 'WP_CLI_TEST_IS_WINDOWS' );
	return false !== $test_is_windows ? (bool) $test_is_windows : strtoupper( substr( PHP_OS, 0, 3 ) ) === 'WIN';
}

/**
 * Replace magic constants in some PHP source code.
 *
 * @param string $source The PHP code to manipulate.
 * @param string $path The path to use instead of the magic constants
 */
function replace_path_consts( $source, $path ) {
	$replacements = array(
		'__FILE__' => "'$path'",
		'__DIR__'  => "'" . dirname( $path ) . "'",
	);

$old = array_keys( $replacements );
	$new = array_values( $replacements );

return str_replace( $old, $new, $source );
}

/**
 * Make a HTTP request to a remote URL.
 *
 * Wraps the Requests HTTP library to ensure every request includes a cert.
 *
 * ```
 * # `wp core download` verifies the hash for a downloaded WordPress archive
 *
 * $md5_response = Utils\http_request( 'GET', $download_url . '.md5' );
 * if ( 20 != substr( $md5_response->status_code, 0, 2 ) ) {
 *      WP_CLI::error( "Couldn't access md5 hash for release (HTTP code {$response->status_code})" );
 * }
 * ```
 *
 * @access public
 *
 * @param string $method    HTTP method (GET, POST, DELETE, etc.)
 * @param string $url       URL to make the HTTP request to.
 * @param array $headers    Add specific headers to the request.
 * @param array $options
 * @return object
 */
function http_request( $method, $url, $data = null, $headers = array(), $options = array() ) {

$cert_path     = '/rmccue/requests/library/Requests/Transport/cacert.pem';
	$halt_on_error = ! isset( $options['halt_on_error'] ) || (bool) $options['halt_on_error'];
	if ( inside_phar() ) {
		// cURL can't read Phar archives
		$options['verify'] = extract_from_phar(
			WP_CLI_VENDOR_DIR . $cert_path
		);
	} else {
		foreach ( get_vendor_paths() as $vendor_path ) {
			if ( file_exists( $vendor_path . $cert_path ) ) {
				$options['verify'] = $vendor_path . $cert_path;
				break;
			}
		}
		if ( empty( $options['verify'] ) ) {
			$error_msg = 'Cannot find SSL certificate.';
			if ( $halt_on_error ) {
				WP_CLI::error( $error_msg );
			}
			throw new \RuntimeException( $error_msg );
		}
	}

try {
		return \Requests::request( $url, $headers, $data, $method, $options );
	} catch ( \Requests_Exception $ex ) {
		// CURLE_SSL_CACERT_BADFILE only defined for PHP >= 7.
		if ( 'curlerror' !== $ex->getType() || ! in_array( curl_errno( $ex->getData() ), array( CURLE_SSL_CONNECT_ERROR, CURLE_SSL_CERTPROBLEM, 77 /*CURLE_SSL_CACERT_BADFILE*/ ), true ) ) {
			$error_msg = sprintf( "Failed to get url '%s': %s.", $url, $ex->getMessage() );
			if ( $halt_on_error ) {
				WP_CLI::error( $error_msg );
			}
			throw new \RuntimeException( $error_msg, null, $ex );
		}
		// Handle SSL certificate issues gracefully
		\WP_CLI::warning( sprintf( "Re-trying without verify after failing to get verified url '%s' %s.", $url, $ex->getMessage() ) );
		$options['verify'] = false;
		try {
			return \Requests::request( $url, $headers, $data, $method, $options );
		} catch ( \Requests_Exception $ex ) {
			$error_msg = sprintf( "Failed to get non-verified url '%s' %s.", $url, $ex->getMessage() );
			if ( $halt_on_error ) {
				WP_CLI::error( $error_msg );
			}
			throw new \RuntimeException( $error_msg, null, $ex );
		}
	}
}

/**
 * Increments a version string using the "x.y.z-pre" format
 *
 * Can increment the major, minor or patch number by one
 * If $new_version == "same" the version string is not changed
 * If $new_version is not a known keyword, it will be used as the new version string directly
 *
 * @param  string $current_version
 * @param  string $new_version
 * @return string
 */
function increment_version( $current_version, $new_version ) {
	// split version assuming the format is x.y.z-pre
	$current_version    = explode( '-', $current_version, 2 );
	$current_version[0] = explode( '.', $current_version[0] );

switch ( $new_version ) {
		case 'same':
			// do nothing
			break;

case 'patch':
			$current_version[0][2]++;

$current_version = array( $current_version[0] ); // drop possible pre-release info
			break;

case 'minor':
			$current_version[0][1]++;
			$current_version[0][2] = 0;

$current_version = array( $current_version[0] ); // drop possible pre-release info
			break;

case 'major':
			$current_version[0][0]++;
			$current_version[0][1] = 0;
			$current_version[0][2] = 0;

$current_version = array( $current_version[0] ); // drop possible pre-release info
			break;

default: // not a keyword
			$current_version = array( array( $new_version ) );
			break;
	}

// reconstruct version string
	$current_version[0] = implode( '.', $current_version[0] );
	$current_version    = implode( '-', $current_version );

return $current_version;
}

/**
 * Compare two version strings to get the named semantic version.
 *
 * @access public
 *
 * @param string $new_version
 * @param string $original_version
 * @return string $name 'major', 'minor', 'patch'
 */
function get_named_sem_ver( $new_version, $original_version ) {

if ( ! Comparator::greaterThan( $new_version, $original_version ) ) {
		return '';
	}

$parts = explode( '-', $original_version );
	$bits  = explode( '.', $parts[0] );
	$major = $bits[0];
	if ( isset( $bits[1] ) ) {
		$minor = $bits[1];
	}
	if ( isset( $bits[2] ) ) {
		$patch = $bits[2];
	}

if ( ! is_null( $minor ) && Semver::satisfies( $new_version, "{$major}.{$minor}.x" ) ) {
		return 'patch';
	}

if ( Semver::satisfies( $new_version, "{$major}.x.x" ) ) {
		return 'minor';
	}

return 'major';
}

/**
 * Return the flag value or, if it's not set, the $default value.
 *
 * Because flags can be negated (e.g. --no-quiet to negate --quiet), this
 * function provides a safer alternative to using
 * `isset( $assoc_args['quiet'] )` or similar.
 *
 * @access public
 * @category Input
 *
 * @param array  $assoc_args  Arguments array.
 * @param string $flag        Flag to get the value.
 * @param mixed  $default     Default value for the flag. Default: NULL
 * @return mixed
 */
function get_flag_value( $assoc_args, $flag, $default = null ) {
	return isset( $assoc_args[ $flag ] ) ? $assoc_args[ $flag ] : $default;
}

/**
 * Get the home directory.
 *
 * @access public
 * @category System
 *
 * @return string
 */
function get_home_dir() {
	$home = getenv( 'HOME' );
	if ( ! $home ) {
		// In Windows $HOME may not be defined
		$home = getenv( 'HOMEDRIVE' ) . getenv( 'HOMEPATH' );
	}

return rtrim( $home, '/\\' );
}

/**
 * Appends a trailing slash.
 *
 * @access public
 * @category System
 *
 * @param string $string What to add the trailing slash to.
 * @return string String with trailing slash added.
 */
function trailingslashit( $string ) {
	return rtrim( $string, '/\\' ) . '/';
}

/**
 * Normalize a filesystem path.
 *
 * On Windows systems, replaces backslashes with forward slashes
 * and forces upper-case drive letters.
 * Allows for two leading slashes for Windows network shares, but
 * ensures that all other duplicate slashes are reduced to a single one.
 * Ensures upper-case drive letters on Windows systems.
 *
 * @access public
 * @category System
 *
 * @param string $path Path to normalize.
 * @return string Normalized path.
 */
function normalize_path( $path ) {
	$path = str_replace( '\\', '/', $path );
	$path = preg_replace( '|(?<=.)/+|', '/', $path );
	if ( ':' === substr( $path, 1, 1 ) ) {
		$path = ucfirst( $path );
	}
	return $path;
}

/**
 * Convert Windows EOLs to *nix.
 *
 * @param string $str String to convert.
 * @return string String with carriage return / newline pairs reduced to newlines.
 */
function normalize_eols( $str ) {
	return str_replace( "\r\n", "\n", $str );
}

/**
 * Get the system's temp directory. Warns user if it isn't writable.
 *
 * @access public
 * @category System
 *
 * @return string
 */
function get_temp_dir() {
	static $temp = '';

if ( $temp ) {
		return $temp;
	}

// `sys_get_temp_dir()` introduced PHP 5.2.1. Will always return something.
	$temp = trailingslashit( sys_get_temp_dir() );

if ( ! is_writable( $temp ) ) {
		\WP_CLI::warning( "Temp directory isn't writable: {$temp}" );
	}

return $temp;
}

/**
 * Parse a SSH url for its host, port, and path.
 *
 * Similar to parse_url(), but adds support for defined SSH aliases.
 *
 * ```
 * host OR host/path/to/wordpress OR host:port/path/to/wordpress
 * ```
 *
 * @access public
 *
 * @return mixed
 */
function parse_ssh_url( $url, $component = -1 ) {
	preg_match( '#^((docker|docker\-compose|ssh|vagrant):)?(([^@:]+)@)?([^:/~]+)(:([\d]*))?((/|~)(.+))?$#', $url, $matches );
	$bits = array();
	foreach ( array(
		2 => 'scheme',
		4 => 'user',
		5 => 'host',
		7 => 'port',
		8 => 'path',
	) as $i => $key ) {
		if ( ! empty( $matches[ $i ] ) ) {
			$bits[ $key ] = $matches[ $i ];
		}
	}

// Find the hostname from `vagrant ssh-config` automatically.
	if ( preg_match( '/^vagrant:?/', $url ) ) {
		if ( 'vagrant' === $bits['host'] && empty( $bits['scheme'] ) ) {
			$ssh_config = shell_exec( 'vagrant ssh-config 2>/dev/null' );
			if ( preg_match( '/Host\s(.+)/', $ssh_config, $matches ) ) {
				$bits['scheme'] = 'vagrant';
				$bits['host']   = $matches[1];
			}
		}
	}

switch ( $component ) {
		case PHP_URL_SCHEME:
			return isset( $bits['scheme'] ) ? $bits['scheme'] : null;
		case PHP_URL_USER:
			return isset( $bits['user'] ) ? $bits['user'] : null;
		case PHP_URL_HOST:
			return isset( $bits['host'] ) ? $bits['host'] : null;
		case PHP_URL_PATH:
			return isset( $bits['path'] ) ? $bits['path'] : null;
		case PHP_URL_PORT:
			return isset( $bits['port'] ) ? $bits['port'] : null;
		default:
			return $bits;
	}
}

/**
 * Report the results of the same operation against multiple resources.
 *
 * @access public
 * @category Input
 *
 * @param string       $noun      Resource being affected (e.g. plugin)
 * @param string       $verb      Type of action happening to the noun (e.g. activate)
 * @param integer      $total     Total number of resource being affected.
 * @param integer      $successes Number of successful operations.
 * @param integer      $failures  Number of failures.
 * @param null|integer $skips     Optional. Number of skipped operations. Default null (don't show skips).
 */
function report_batch_operation_results( $noun, $verb, $total, $successes, $failures, $skips = null ) {
	$plural_noun           = $noun . 's';
	$past_tense_verb       = past_tense_verb( $verb );
	$past_tense_verb_upper = ucfirst( $past_tense_verb );
	if ( $failures ) {
		$failed_skipped_message = null === $skips ? '' : " ({$failures} failed" . ( $skips ? ", {$skips} skipped" : '' ) . ')';
		if ( $successes ) {
			WP_CLI::error( "Only {$past_tense_verb} {$successes} of {$total} {$plural_noun}{$failed_skipped_message}." );
		} else {
			WP_CLI::error( "No {$plural_noun} {$past_tense_verb}{$failed_skipped_message}." );
		}
	} else {
		$skipped_message = $skips ? " ({$skips} skipped)" : '';
		if ( $successes || $skips ) {
			WP_CLI::success( "{$past_tense_verb_upper} {$successes} of {$total} {$plural_noun}{$skipped_message}." );
		} else {
			$message = $total > 1 ? ucfirst( $plural_noun ) : ucfirst( $noun );
			WP_CLI::success( "{$message} already {$past_tense_verb}." );
		}
	}
}

/**
 * Parse a string of command line arguments into an $argv-esqe variable.
 *
 * @access public
 * @category Input
 *
 * @param string $arguments
 * @return array
 */
function parse_str_to_argv( $arguments ) {
	preg_match_all( '/(?:[^\s]*(?:(["|\']).*?(?<!\\\)\1))|(?:[^\s]+)/', $arguments, $matches );
	$argv = isset( $matches[0] ) ? $matches[0] : array();
	$argv = array_map(
		function( $arg ) {
			foreach ( array( '"', "'" ) as $char ) {
				if ( substr( $arg, 0, 1 ) === $char && substr( $arg, -1 ) === $char ) {
					$arg = substr( $arg, 1, -1 );
					break;
				}
			}
				return $arg;
		},
		$argv
	);
	return $argv;
}

/**
 * Locale-independent version of basename()
 *
 * @access public
 *
 * @param string $path
 * @param string $suffix
 * @return string
 */
function basename( $path, $suffix = '' ) {
	return urldecode( \basename( str_replace( array( '%2F', '%5C' ), '/', urlencode( $path ) ), $suffix ) );
}

/**
 * Checks whether the output of the current script is a TTY or a pipe / redirect
 *
 * Returns true if STDOUT output is being redirected to a pipe or a file; false is
 * output is being sent directly to the terminal.
 *
 * If an env variable SHELL_PIPE exists, returned result depends it's
 * value. Strings like 1, 0, yes, no, that validate to booleans are accepted.
 *
 * To enable ASCII formatting even when shell is piped, use the
 * ENV variable SHELL_PIPE=0
 *
 * @access public
 *
 * @return bool
 */
// @codingStandardsIgnoreLine
function isPiped() {
	$shellPipe = getenv( 'SHELL_PIPE' );

if ( false !== $shellPipe ) {
		return filter_var( $shellPipe, FILTER_VALIDATE_BOOLEAN );
	}

return ( function_exists( 'posix_isatty' ) && ! posix_isatty( STDOUT ) );
}

/**
 * Expand within paths to their matching paths.
 *
 * Has no effect on paths which do not use glob patterns.
 *
 * @param string|array $paths Single path as a string, or an array of paths.
 * @param int          $flags Optional. Flags to pass to glob. Defaults to GLOB_BRACE.
 *
 * @return array Expanded paths.
 */
function expand_globs( $paths, $flags = 'default' ) {
	// Compatibility for systems without GLOB_BRACE.
	$glob_func = 'glob';
	if ( 'default' === $flags ) {
		if ( ! defined( 'GLOB_BRACE' ) || getenv( 'WP_CLI_TEST_EXPAND_GLOBS_NO_GLOB_BRACE' ) ) {
			$glob_func = 'WP_CLI\Utils\glob_brace';
		} else {
			$flags = GLOB_BRACE;
		}
	}

$expanded = array();

foreach ( (array) $paths as $path ) {
		$matching = array( $path );

if ( preg_match( '/[' . preg_quote( '*?[]{}!', '/' ) . ']/', $path ) ) {
			$matching = $glob_func( $path, $flags ) ?: array();
		}
		$expanded = array_merge( $expanded, $matching );
	}

return array_values( array_unique( $expanded ) );
}

/**
 * Simulate a `glob()` with the `GLOB_BRACE` flag set. For systems (eg Alpine Linux) built against a libc library (eg https://www.musl-libc.org/) that lacks it.
 * Copied and adapted from Zend Framework's `Glob::fallbackGlob()` and Glob::nextBraceSub()`.
 *
 * Zend Framework (http://framework.zend.com/)
 *
 * @link      http://github.com/zendframework/zf2 for the canonical source repository
 * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   http://framework.zend.com/license/new-bsd New BSD License
 *
 * @param string $pattern Filename pattern.
 * @param void $dummy_flags Not used.
 *
 * @return array Array of paths.
 */
function glob_brace( $pattern, $dummy_flags = null ) {

static $next_brace_sub;
	if ( ! $next_brace_sub ) {
		// Find the end of the subpattern in a brace expression.
		$next_brace_sub = function ( $pattern, $current ) {
			$length = strlen( $pattern );
			$depth  = 0;

while ( $current < $length ) {
				if ( '\\' === $pattern[ $current ] ) {
					if ( ++$current === $length ) {
						break;
					}
					$current++;
				} else {
					if ( ( '}' === $pattern[ $current ] && 0 === $depth-- ) || ( ',' === $pattern[ $current ] && 0 === $depth ) ) {
						break;
					}

if ( '{' === $pattern[ $current++ ] ) {
						$depth++;
					}
				}
			}

return $current < $length ? $current : null;
		};
	}

$length = strlen( $pattern );

// Find first opening brace.
	for ( $begin = 0; $begin < $length; $begin++ ) {
		if ( '\\' === $pattern[ $begin ] ) {
			$begin++;
		} elseif ( '{' === $pattern[ $begin ] ) {
			break;
		}
	}

// Find comma or matching closing brace.
	$next = $next_brace_sub( $pattern, $begin + 1 );
	if ( null === $next ) {
		return glob( $pattern );
	}

$rest = $next;

// Point `$rest` to matching closing brace.
	while ( '}' !== $pattern[ $rest ] ) {
		$rest = $next_brace_sub( $pattern, $rest + 1 );
		if ( null === $rest ) {
			return glob( $pattern );
		}
	}

$paths = array();
	$p     = $begin + 1;

// For each comma-separated subpattern.
	do {
		$subpattern = substr( $pattern, 0, $begin )
					. substr( $pattern, $p, $next - $p )
					. substr( $pattern, $rest + 1 );

$result = glob_brace( $subpattern );
		if ( ! empty( $result ) ) {
			$paths = array_merge( $paths, $result );
		}

if ( '}' === $pattern[ $next ] ) {
			break;
		}

$p    = $next + 1;
		$next = $next_brace_sub( $pattern, $p );
	} while ( null !== $next );

return array_values( array_unique( $paths ) );
}

/**
 * Get the closest suggestion for a mis-typed target term amongst a list of
 * options.
 *
 * Uses the Levenshtein algorithm to calculate the relative "distance" between
 * terms.
 *
 * If the "distance" to the closest term is higher than the threshold, an empty
 * string is returned.
 *
 * @param string $target    Target term to get a suggestion for.
 * @param array  $options   Array with possible options.
 * @param int    $threshold Threshold above which to return an empty string.
 *
 * @return string
 */
function get_suggestion( $target, array $options, $threshold = 2 ) {

$suggestion_map = array(
		'add'        => 'create',
		'check'      => 'check-update',
		'capability' => 'cap',
		'clear'      => 'flush',
		'decrement'  => 'decr',
		'del'        => 'delete',
		'directory'  => 'dir',
		'exec'       => 'eval',
		'exec-file'  => 'eval-file',
		'increment'  => 'incr',
		'language'   => 'locale',
		'lang'       => 'locale',
		'new'        => 'create',
		'number'     => 'count',
		'remove'     => 'delete',
		'regen'      => 'regenerate',
		'rep'        => 'replace',
		'repl'       => 'replace',
		'trash'      => 'delete',
		'v'          => 'version',
	);

if ( array_key_exists( $target, $suggestion_map ) && in_array( $suggestion_map[ $target ], $options, true ) ) {
		return $suggestion_map[ $target ];
	}

if ( empty( $options ) ) {
		return '';
	}
	foreach ( $options as $option ) {
		$distance               = levenshtein( $option, $target );
		$levenshtein[ $option ] = $distance;
	}

// Sort known command strings by distance to user entry.
	asort( $levenshtein );

// Fetch the closest command string.
	reset( $levenshtein );
	$suggestion = key( $levenshtein );

// Only return a suggestion if below a given threshold.
	return $levenshtein[ $suggestion ] <= $threshold && $suggestion !== $target
		? (string) $suggestion
		: '';
}

/**
 * Get a Phar-safe version of a path.
 *
 * For paths inside a Phar, this strips the outer filesystem's location to
 * reduce the path to what it needs to be within the Phar archive.
 *
 * Use the __FILE__ or __DIR__ constants as a starting point.
 *
 * @param string $path An absolute path that might be within a Phar.
 *
 * @return string A Phar-safe version of the path.
 */
function phar_safe_path( $path ) {

if ( ! inside_phar() ) {
		return $path;
	}

return str_replace(
		PHAR_STREAM_PREFIX . WP_CLI_PHAR_PATH . '/',
		PHAR_STREAM_PREFIX,
		$path
	);
}

/**
 * Check whether a given Command object is part of the bundled set of
 * commands.
 *
 * This function accepts both a fully qualified class name as a string as
 * well as an object that extends `WP_CLI\Dispatcher\CompositeCommand`.
 *
 * @param \WP_CLI\Dispatcher\CompositeCommand|string $command
 *
 * @return bool
 */
function is_bundled_command( $command ) {
	static $classes;

if ( null === $classes ) {
		$classes = array();
		// TODO: This needs to be rebuilt.
		// $class_map = WP_CLI_VENDOR_DIR . '/composer/autoload_commands_classmap.php';
		// if ( file_exists( WP_CLI_VENDOR_DIR . '/composer/' ) ) {
		// 	$classes = include $class_map;
		// }
		$classes = array( 'CLI_Command' => true );
	}

if ( is_object( $command ) ) {
		$command = get_class( $command );
	}

return is_string( $command )
		? array_key_exists( $command, $classes )
		: false;
}

/**
 * Maybe prefix command string with "/usr/bin/env".
 * Removes (if there) if Windows, adds (if not there) if not.
 *
 * @param string $command
 *
 * @return string
 */
function force_env_on_nix_systems( $command ) {
	$env_prefix     = '/usr/bin/env ';
	$env_prefix_len = strlen( $env_prefix );
	if ( is_windows() ) {
		if ( 0 === strncmp( $command, $env_prefix, $env_prefix_len ) ) {
			$command = substr( $command, $env_prefix_len );
		}
	} else {
		if ( 0 !== strncmp( $command, $env_prefix, $env_prefix_len ) ) {
			$command = $env_prefix . $command;
		}
	}
	return $command;
}

/**
 * Check that `proc_open()` and `proc_close()` haven't been disabled.
 *
 * @param string $context Optional. If set will appear in error message. Default null.
 * @param bool   $return  Optional. If set will return false rather than error out. Default false.
 *
 * @return bool
 */
function check_proc_available( $context = null, $return = false ) {
	if ( ! function_exists( 'proc_open' ) || ! function_exists( 'proc_close' ) ) {
		if ( $return ) {
			return false;
		}
		$msg = 'The PHP functions `proc_open()` and/or `proc_close()` are disabled. Please check your PHP ini directive `disable_functions` or suhosin settings.';
		if ( $context ) {
			WP_CLI::error( sprintf( "Cannot do '%s': %s", $context, $msg ) );
		} else {
			WP_CLI::error( $msg );
		}
	}
	return true;
}

/**
 * Returns past tense of verb, with limited accuracy. Only regular verbs catered for, apart from "reset".
 *
 * @param string $verb Verb to return past tense of.
 *
 * @return string
 */
function past_tense_verb( $verb ) {
	static $irregular = array(
		'reset' => 'reset',
	);
	if ( isset( $irregular[ $verb ] ) ) {
		return $irregular[ $verb ];
	}
	$last = substr( $verb, -1 );
	if ( 'e' === $last ) {
		$verb = substr( $verb, 0, -1 );
	} elseif ( 'y' === $last && ! preg_match( '/[aeiou]y$/', $verb ) ) {
		$verb = substr( $verb, 0, -1 ) . 'i';
	} elseif ( preg_match( '/^[^aeiou]*[aeiou][^aeiouhwxy]$/', $verb ) ) {
		// Rule of thumb that most (all?) one-voweled regular verbs ending in vowel + consonant (excluding "h", "w", "x", "y") double their final consonant - misses many cases (eg "submit").
		$verb .= $last;
	}
	return $verb . 'ed';
}

/**
 * Get the path to the PHP binary used when executing WP-CLI.
 *
 * Environment values permit specific binaries to be indicated.
 *
 * @access public
 * @category System
 *
 * @return string
 */
function get_php_binary() {
	$wp_cli_php_used = getenv( 'WP_CLI_PHP_USED' );
	if ( false !== $wp_cli_php_used ) {
		return $wp_cli_php_used;
	}

$wp_cli_php = getenv( 'WP_CLI_PHP' );
	if ( false !== $wp_cli_php ) {
		return $wp_cli_php;
	}

// Available since PHP 5.4.
	if ( defined( 'PHP_BINARY' ) ) {
		// @codingStandardsIgnoreLine
		return PHP_BINARY;
	}

// @codingStandardsIgnoreLine
	if ( @is_executable( PHP_BINDIR . '/php' ) ) {
		return PHP_BINDIR . '/php';
	}

// @codingStandardsIgnoreLine
	if ( is_windows() && @is_executable( PHP_BINDIR . '/php.exe' ) ) {
		return PHP_BINDIR . '/php.exe';
	}

return 'php';
}

/**
 * Windows compatible `proc_open()`.
 * Works around bug in PHP, and also deals with *nix-like `ENV_VAR=blah cmd` environment variable prefixes.
 *
 * @access public
 *
 * @param string $command Command to execute.
 * @param array $descriptorspec Indexed array of descriptor numbers and their values.
 * @param array &$pipes Indexed array of file pointers that correspond to PHP's end of any pipes that are created.
 * @param string $cwd Initial working directory for the command.
 * @param array $env Array of environment variables.
 * @param array $other_options Array of additional options (Windows only).
 *
 * @return string Command stripped of any environment variable settings.
 */
function proc_open_compat( $cmd, $descriptorspec, &$pipes, $cwd = null, $env = null, $other_options = null ) {
	if ( is_windows() ) {
		// Need to encompass the whole command in double quotes - PHP bug https://bugs.php.net/bug.php?id=49139
		$cmd = '"' . _proc_open_compat_win_env( $cmd, $env ) . '"';
	}
	return proc_open( $cmd, $descriptorspec, $pipes, $cwd, $env, $other_options );
}

/**
 * For use by `proc_open_compat()` only. Separated out for ease of testing. Windows only.
 * Turns *nix-like `ENV_VAR=blah command` environment variable prefixes into stripped `cmd` with prefixed environment variables added to passed in environment array.
 *
 * @access private
 *
 * @param string $command Command to execute.
 * @param array &$env Array of existing environment variables. Will be modified if any settings in command.
 *
 * @return string Command stripped of any environment variable settings.
 */
function _proc_open_compat_win_env( $cmd, &$env ) {
	if ( false !== strpos( $cmd, '=' ) ) {
		while ( preg_match( '/^([A-Za-z_][A-Za-z0-9_]*)=("[^"]*"|[^ ]*) /', $cmd, $matches ) ) {
			$cmd = substr( $cmd, strlen( $matches[0] ) );
			if ( null === $env ) {
				$env = array();
			}
			$env[ $matches[1] ] = isset( $matches[2][0] ) && '"' === $matches[2][0] ? substr( $matches[2], 1, -1 ) : $matches[2];
		}
	}
	return $cmd;
}

/**
 * First half of escaping for LIKE special characters % and _ before preparing for MySQL.
 *
 * Use this only before wpdb::prepare() or esc_sql().  Reversing the order is very bad for security.
 *
 * Copied from core "wp-includes/wp-db.php". Avoids dependency on WP 4.4 wpdb.
 *
 * @access public
 *
 * @param string $text The raw text to be escaped. The input typed by the user should have no
 *                     extra or deleted slashes.
 * @return string Text in the form of a LIKE phrase. The output is not SQL safe. Call $wpdb::prepare()
 *                or real_escape next.
 */
function esc_like( $text ) {
	return addcslashes( $text, '_%\\' );
}

/**
 * Escapes (backticks) MySQL identifiers (aka schema object names) - i.e. column names, table names, and database/index/alias/view etc names.
 * See https://dev.mysql.com/doc/refman/5.5/en/identifiers.html
 *
 * @param string|array $idents A single identifier or an array of identifiers.
 * @return string|array An escaped string if given a string, or an array of escaped strings if given an array of strings.
 */
function esc_sql_ident( $idents ) {
	$backtick = function ( $v ) {
		// Escape any backticks in the identifier by doubling.
		return '`' . str_replace( '`', '``', $v ) . '`';
	};
	if ( is_string( $idents ) ) {
		return $backtick( $idents );
	}
	return array_map( $backtick, $idents );
}

/**
 * Check whether a given string is a valid JSON representation.
 *
 * @param string $argument       String to evaluate.
 * @param bool   $ignore_scalars Optional. Whether to ignore scalar values.
 *                               Defaults to true.
 *
 * @return bool Whether the provided string is a valid JSON representation.
 */
function is_json( $argument, $ignore_scalars = true ) {
	if ( ! is_string( $argument ) || '' === $argument ) {
		return false;
	}

if ( $ignore_scalars && ! in_array( $argument[0], array( '{', '[' ), true ) ) {
		return false;
	}

json_decode( $argument, $assoc = true );

return json_last_error() === JSON_ERROR_NONE;
}

/**
 * Parse known shell arrays included in the $assoc_args array.
 *
 * @param array $assoc_args      Associative array of arguments.
 * @param array $array_arguments Array of argument keys that should receive an
 *                               array through the shell.
 *
 * @return array
 */
function parse_shell_arrays( $assoc_args, $array_arguments ) {
	if ( empty( $assoc_args ) || empty( $array_arguments ) ) {
		return $assoc_args;
	}

foreach ( $array_arguments as $key ) {
		if ( array_key_exists( $key, $assoc_args ) && is_json( $assoc_args[ $key ] ) ) {
			$assoc_args[ $key ] = json_decode( $assoc_args[ $key ], $assoc = true );
		}
	}

return $assoc_args;
}

/**
 * Describe a callable as a string.
 *
 * @param callable $callable The callable to describe.
 *
 * @return string String description of the callable.
 */
function describe_callable( $callable ) {
	try {
		if ( $callable instanceof \Closure ) {
			$reflection = new \ReflectionFunction( $callable );

return (string) "Closure in file {$reflection->getFileName()} at line {$reflection->getStartLine()}";
		}

if ( is_array( $callable ) ) {
			if ( is_object( $callable[0] ) ) {
				return (string) sprintf(
					'%s->%s()',
					get_class( $callable[0] ),
					$callable[1]
				);
			}

return (string) sprintf( '%s::%s()', $callable[0], $callable[1] );
		}

return (string) gettype( $callable );
	} catch ( \Exception $exception ) {
		return 'Callable of unknown type';
	}
}

/**
 * Pluralizes a noun in a grammatically correct way.
 *
 * @param string   $noun  Noun to be pluralized. Needs to be in singular form.
 * @param int|null $count Optional. Count of the nouns, to decide whether to
 *                        pluralize. Will pluralize unconditionally if none
 *                        provided.
 *
 * @return string Pluralized noun.
 */
function pluralize( $noun, $count = null ) {
	if ( 1 === $count ) {
		return $noun;
	}

return Inflector::pluralize( $noun );
}
<?php

namespace WP_CLI\Dispatcher;

/**
 * Get the path to a command, e.g. "core download"
 *
 * @param WP_CLI\Dispatcher\Subcommand $command
 * @return string
 */
function get_path( $command ) {
	$path = array();

do {
		array_unshift( $path, $command->get_name() );
	} while ( $command = $command->get_parent() );

return $path;
}

<?php

// This file needs to parse without error in PHP < 5.3

if ( 'cli' !== PHP_SAPI ) {
	echo "Only CLI access.\n";
	die( -1 );
}

if ( version_compare( PHP_VERSION, '5.4.0', '<' ) ) {
	printf( "Error: WP-CLI requires PHP %s or newer. You are running version %s.\n", '5.4.0', PHP_VERSION );
	die( -1 );
}

define( 'WP_CLI_ROOT', dirname( __DIR__ ) );

require_once WP_CLI_ROOT . '/php/wp-cli.php';

<?php

namespace WP_CLI;

use WP_CLI;

/**
 * Manage caching with whitelisting
 *
 * @package WP_CLI
 */
class WpHttpCacheManager {

/**
	 * @var array map whitelisted urls to keys and ttls
	 */
	protected $whitelist = array();

/**
	 * @var FileCache
	 */
	protected $cache;

/**
	 * @param FileCache $cache
	 */
	public function __construct( FileCache $cache ) {
		$this->cache = $cache;

// hook into wp http api
		add_filter( 'pre_http_request', array( $this, 'filter_pre_http_request' ), 10, 3 );
		add_filter( 'http_response', array( $this, 'filter_http_response' ), 10, 3 );
	}

/**
	 * short circuit wp http api with cached file
	 */
	public function filter_pre_http_request( $response, $args, $url ) {
		// check if whitelisted
		if ( ! isset( $this->whitelist[ $url ] ) ) {
			return $response;
		}
		// check if downloading
		if ( 'GET' !== $args['method'] || empty( $args['filename'] ) ) {
			return $response;
		}
		// check cache and export to designated location
		$filename = $this->cache->has( $this->whitelist[ $url ]['key'], $this->whitelist[ $url ]['ttl'] );
		if ( $filename ) {
			WP_CLI::log( sprintf( 'Using cached file \'%s\'...', $filename ) );
			if ( copy( $filename, $args['filename'] ) ) {
				// simulate successful download response
				return array(
					'response' => array(
						'code'    => 200,
						'message' => 'OK',
					),
					'filename' => $args['filename'],
				);
			}

WP_CLI::error( sprintf( 'Error copying cached file %s to %s', $filename, $url ) );
		}
		return $response;
	}

/**
	 * cache wp http api downloads
	 *
	 * @param array $response
	 * @param array $args
	 * @param string $url
	 */
	public function filter_http_response( $response, $args, $url ) {
		// check if whitelisted
		if ( ! isset( $this->whitelist[ $url ] ) ) {
			return $response;
		}
		// check if downloading
		if ( 'GET' !== $args['method'] || empty( $args['filename'] ) ) {
			return $response;
		}
		// check if download was successful
		if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) {
			return $response;
		}
		// cache downloaded file
		$this->cache->import( $this->whitelist[ $url ]['key'], $response['filename'] );
		return $response;
	}

/**
	 * whitelist a package url
	 *
	 * @param string $url
	 * @param string $group   package group (themes, plugins, ...)
	 * @param string $slug    package slug
	 * @param string $version package version
	 * @param int    $ttl
	 */
	public function whitelist_package( $url, $group, $slug, $version, $ttl = null ) {
		$ext = pathinfo( parse_url( $url, PHP_URL_PATH ), PATHINFO_EXTENSION );
		$key = "$group/$slug-$version.$ext";
		$this->whitelist_url( $url, $key, $ttl );
		wp_update_plugins();
	}

/**
	 * whitelist a url
	 *
	 * @param string $url
	 * @param string $key
	 * @param int    $ttl
	 */
	public function whitelist_url( $url, $key = null, $ttl = null ) {
		$key                     = $key ? : $url;
		$this->whitelist[ $url ] = compact( 'key', 'ttl' );
	}

/**
	 * check if url is whitelisted
	 *
	 * @param string $url
	 * @return bool
	 */
	public function is_whitelisted( $url ) {
		return isset( $this->whitelist[ $url ] );
	}

}
<?php

namespace WP_CLI;

use WP_CLI;
use WP_CLI\Utils;
use WP_CLI\Dispatcher;
use WP_CLI\Dispatcher\CompositeCommand;

/**
 * Performs the execution of a command.
 *
 * @package WP_CLI
 */
class Runner {

private $global_config_path, $project_config_path;

private $config, $extra_config;

private $alias;

private $aliases;

private $arguments, $assoc_args, $runtime_config;

private $colorize = false;

private $_early_invoke = array();

private $_global_config_path_debug;

private $_project_config_path_debug;

private $_required_files;

public function __get( $key ) {
		if ( '_' === $key[0] ) {
			return null;
		}

return $this->$key;
	}

/**
	 * Register a command for early invocation, generally before WordPress loads.
	 *
	 * @param string $when Named execution hook
	 * @param WP_CLI\Dispatcher\Subcommand $command
	 */
	public function register_early_invoke( $when, $command ) {
		$this->_early_invoke[ $when ][] = array_slice( Dispatcher\get_path( $command ), 1 );
	}

/**
	 * Perform the early invocation of a command.
	 *
	 * @param string $when Named execution hook
	 */
	private function do_early_invoke( $when ) {
		if ( ! isset( $this->_early_invoke[ $when ] ) ) {
			return;
		}

// Search the value of @when from the command method.
		$real_when = '';
		$r         = $this->find_command_to_run( $this->arguments );
		if ( is_array( $r ) ) {
			list( $command, $final_args, $cmd_path ) = $r;

foreach ( $this->_early_invoke as $_when => $_path ) {
				foreach ( $_path as $cmd ) {
					if ( $cmd === $cmd_path ) {
						$real_when = $_when;
					}
				}
			}
		}

foreach ( $this->_early_invoke[ $when ] as $path ) {
			if ( $this->cmd_starts_with( $path ) ) {
				if ( empty( $real_when ) || ( $real_when && $real_when === $when ) ) {
					$this->_run_command_and_exit();
				}
			}
		}
	}

/**
	 * Get the path to the global configuration YAML file.
	 *
	 * @return string|false
	 */
	public function get_global_config_path() {

if ( getenv( 'WP_CLI_CONFIG_PATH' ) ) {
			$config_path                     = getenv( 'WP_CLI_CONFIG_PATH' );
			$this->_global_config_path_debug = 'Using global config from WP_CLI_CONFIG_PATH env var: ' . $config_path;
		} else {
			$config_path                     = Utils\get_home_dir() . '/.wp-cli/config.yml';
			$this->_global_config_path_debug = 'Using default global config: ' . $config_path;
		}

if ( is_readable( $config_path ) ) {
			return $config_path;
		}

$this->_global_config_path_debug = 'No readable global config found';

return false;
	}

/**
	 * Get the path to the project-specific configuration
	 * YAML file.
	 * wp-cli.local.yml takes priority over wp-cli.yml.
	 *
	 * @return string|false
	 */
	public function get_project_config_path() {
		$config_files = array(
			'wp-cli.local.yml',
			'wp-cli.yml',
		);

// Stop looking upward when we find we have emerged from a subdirectory
		// installation into a parent installation
		$project_config_path = Utils\find_file_upward(
			$config_files,
			getcwd(),
			function ( $dir ) {
				static $wp_load_count = 0;
				$wp_load_path         = $dir . DIRECTORY_SEPARATOR . 'wp-load.php';
				if ( file_exists( $wp_load_path ) ) {
					++ $wp_load_count;
				}
				return $wp_load_count > 1;
			}
		);

$this->_project_config_path_debug = 'No project config found';

if ( ! empty( $project_config_path ) ) {
			$this->_project_config_path_debug = 'Using project config: ' . $project_config_path;
		}

return $project_config_path;
	}

/**
	 * Get the path to the packages directory
	 *
	 * @return string
	 */
	public function get_packages_dir_path() {
		if ( getenv( 'WP_CLI_PACKAGES_DIR' ) ) {
			$packages_dir = Utils\trailingslashit( getenv( 'WP_CLI_PACKAGES_DIR' ) );
		} else {
			$packages_dir = Utils\get_home_dir() . '/.wp-cli/packages/';
		}
		return $packages_dir;
	}

/**
	 * Attempts to find the path to the WP installation inside index.php
	 *
	 * @param string $index_path
	 * @return string|false
	 */
	private static function extract_subdir_path( $index_path ) {
		$index_code = file_get_contents( $index_path );

if ( ! preg_match( '|^\s*require\s*\(?\s*(.+?)/wp-blog-header\.php([\'"])|m', $index_code, $matches ) ) {
			return false;
		}

$wp_path_src = $matches[1] . $matches[2];
		$wp_path_src = Utils\replace_path_consts( $wp_path_src, $index_path );

$wp_path     = eval( "return $wp_path_src;" ); // phpcs:ignore Squiz.PHP.Eval.Discouraged -- @codingStandardsIgnoreLine

if ( ! Utils\is_path_absolute( $wp_path ) ) {
			$wp_path = dirname( $index_path ) . "/$wp_path";
		}

return $wp_path;
	}

/**
	 * Find the directory that contains the WordPress files.
	 * Defaults to the current working dir.
	 *
	 * @return string An absolute path
	 */
	private function find_wp_root() {
		if ( ! empty( $this->config['path'] ) ) {
			$path = $this->config['path'];
			if ( ! Utils\is_path_absolute( $path ) ) {
				$path = getcwd() . '/' . $path;
			}

return $path;
		}

if ( $this->cmd_starts_with( array( 'core', 'download' ) ) ) {
			return getcwd();
		}

$dir = getcwd();

while ( is_readable( $dir ) ) {
			if ( file_exists( "$dir/wp-load.php" ) ) {
				return $dir;
			}

if ( file_exists( "$dir/index.php" ) ) {
				$path = self::extract_subdir_path( "$dir/index.php" );
				if ( ! empty( $path ) ) {
					return $path;
				}
			}

$parent_dir = dirname( $dir );
			if ( empty( $parent_dir ) || $parent_dir === $dir ) {
				break;
			}
			$dir = $parent_dir;
		}
	}

/**
	 * Set WordPress root as a given path.
	 *
	 * @param string $path
	 */
	private static function set_wp_root( $path ) {
		if ( ! defined( 'ABSPATH' ) ) {
			define( 'ABSPATH', Utils\normalize_path( Utils\trailingslashit( $path ) ) );
		} elseif ( ! is_null( $path ) ) {
			WP_CLI::error_multi_line(
				array(
					'The --path parameter cannot be used when ABSPATH is already defined elsewhere',
					'ABSPATH is defined as: "' . ABSPATH . '"',
				)
			);
		}
		WP_CLI::debug( 'ABSPATH defined: ' . ABSPATH, 'bootstrap' );

$_SERVER['DOCUMENT_ROOT'] = realpath( $path );
	}

/**
	 * Guess which URL context WP-CLI has been invoked under.
	 *
	 * @param array $assoc_args
	 * @return string|false
	 */
	private static function guess_url( $assoc_args ) {
		if ( isset( $assoc_args['blog'] ) ) {
			$assoc_args['url'] = $assoc_args['blog'];
		}

if ( isset( $assoc_args['url'] ) ) {
			$url = $assoc_args['url'];
			if ( true === $url ) {
				WP_CLI::warning( 'The --url parameter expects a value.' );
			}
		}

if ( isset( $url ) ) {
			return $url;
		}

return false;
	}

private function cmd_starts_with( $prefix ) {
		return array_slice( $this->arguments, 0, count( $prefix ) ) === $prefix;
	}

/**
	 * Given positional arguments, find the command to execute.
	 *
	 * @param array $args
	 * @return array|string Command, args, and path on success; error message on failure
	 */
	public function find_command_to_run( $args ) {
		$command = \WP_CLI::get_root_command();

WP_CLI::do_hook( 'find_command_to_run_pre' );

$cmd_path = array();

while ( ! empty( $args ) && $command->can_have_subcommands() ) {
			$cmd_path[] = $args[0];
			$full_name  = implode( ' ', $cmd_path );

$subcommand = $command->find_subcommand( $args );

if ( ! $subcommand ) {
				if ( count( $cmd_path ) > 1 ) {
					$child       = array_pop( $cmd_path );
					$parent_name = implode( ' ', $cmd_path );
					$suggestion  = $this->get_subcommand_suggestion( $child, $command );
					return sprintf(
						"'%s' is not a registered subcommand of '%s'. See 'wp help %s' for available subcommands.%s",
						$child,
						$parent_name,
						$parent_name,
						! empty( $suggestion ) ? PHP_EOL . "Did you mean '{$suggestion}'?" : ''
					);
				}

$suggestion = $this->get_subcommand_suggestion( $full_name, $command );

return sprintf(
					"'%s' is not a registered wp command. See 'wp help' for available commands.%s",
					$full_name,
					! empty( $suggestion ) ? PHP_EOL . "Did you mean '{$suggestion}'?" : ''
				);
			}

if ( $this->is_command_disabled( $subcommand ) ) {
				return sprintf(
					"The '%s' command has been disabled from the config file.",
					$full_name
				);
			}

$command = $subcommand;
		}

return array( $command, $args, $cmd_path );
	}

/**
	 * Find the WP-CLI command to run given arguments, and invoke it.
	 *
	 * @param array $args        Positional arguments including command name
	 * @param array $assoc_args  Associative arguments for the command.
	 * @param array $options     Configuration options for the function.
	 */
	public function run_command( $args, $assoc_args = array(), $options = array() ) {
		WP_CLI::do_hook( 'before_run_command' );

if ( ! empty( $options['back_compat_conversions'] ) ) {
			list( $args, $assoc_args ) = self::back_compat_conversions( $args, $assoc_args );
		}
		$r = $this->find_command_to_run( $args );
		if ( is_string( $r ) ) {
			WP_CLI::error( $r );
		}

list( $command, $final_args, $cmd_path ) = $r;

$name = implode( ' ', $cmd_path );

$extra_args = array();

if ( isset( $this->extra_config[ $name ] ) ) {
			$extra_args = $this->extra_config[ $name ];
		}

WP_CLI::debug( 'Running command: ' . $name, 'bootstrap' );
		try {
			$command->invoke( $final_args, $assoc_args, $extra_args );
		} catch ( WP_CLI\Iterators\Exception $e ) {
			WP_CLI::error( $e->getMessage() );
		}
	}

/**
	 * Show synopsis if the called command is a composite command
	 */
	public function show_synopsis_if_composite_command() {
		$r = $this->find_command_to_run( $this->arguments );
		if ( is_array( $r ) ) {
			list( $command ) = $r;

if ( $command->can_have_subcommands() ) {
				$command->show_usage();
				exit;
			}
		}
	}

private function _run_command_and_exit( $help_exit_warning = '' ) {
		$this->show_synopsis_if_composite_command();
		$this->run_command( $this->arguments, $this->assoc_args );
		if ( $this->cmd_starts_with( array( 'help' ) ) ) {
			// Help couldn't find the command so exit with suggestion.
			$suggestion_or_disabled = $this->find_command_to_run( array_slice( $this->arguments, 1 ) );
			if ( is_string( $suggestion_or_disabled ) ) {
				if ( $help_exit_warning ) {
					WP_CLI::warning( $help_exit_warning );
				}
				WP_CLI::error( $suggestion_or_disabled );
			}
			// Should never get here.
		}
		exit;
	}

/**
	 * Perform a command against a remote server over SSH (or a container using
	 * scheme of "docker" or "docker-compose").
	 *
	 * @param string $connection_string Passed connection string.
	 * @return void
	 */
	private function run_ssh_command( $connection_string ) {

WP_CLI::do_hook( 'before_ssh' );

$bits = Utils\parse_ssh_url( $connection_string );

$pre_cmd = getenv( 'WP_CLI_SSH_PRE_CMD' );
		if ( $pre_cmd ) {
			$pre_cmd = rtrim( $pre_cmd, ';' ) . '; ';
		}
		if ( ! empty( $bits['path'] ) ) {
			$pre_cmd .= 'cd ' . escapeshellarg( $bits['path'] ) . '; ';
		}

$env_vars = '';
		if ( getenv( 'WP_CLI_STRICT_ARGS_MODE' ) ) {
			$env_vars .= 'WP_CLI_STRICT_ARGS_MODE=1 ';
		}

$wp_binary = 'wp';
		$wp_args   = array_slice( $GLOBALS['argv'], 1 );

if ( $this->alias && ! empty( $wp_args[0] ) && $this->alias === $wp_args[0] ) {
			array_shift( $wp_args );
			$runtime_alias = array();
			foreach ( $this->aliases[ $this->alias ] as $key => $value ) {
				if ( 'ssh' === $key ) {
					continue;
				}
				$runtime_alias[ $key ] = $value;
			}
			if ( ! empty( $runtime_alias ) ) {
				$encoded_alias = json_encode(
					array(
						$this->alias => $runtime_alias,
					)
				);
				$wp_binary     = "WP_CLI_RUNTIME_ALIAS='{$encoded_alias}' {$wp_binary} {$this->alias}";
			}
		}

foreach ( $wp_args as $k => $v ) {
			if ( preg_match( '#--ssh=#', $v ) ) {
				unset( $wp_args[ $k ] );
			}
		}

$wp_command      = $pre_cmd . $env_vars . $wp_binary . ' ' . implode( ' ', array_map( 'escapeshellarg', $wp_args ) );
		$escaped_command = $this->generate_ssh_command( $bits, $wp_command );

passthru( $escaped_command, $exit_code );
		if ( 255 === $exit_code ) {
			WP_CLI::error( 'Cannot connect over SSH using provided configuration.', 255 );
		} else {
			exit( $exit_code );
		}
	}

/**
	 * Generate a shell command from the parsed connection string.
	 *
	 * @param array  $bits       Parsed connection string.
	 * @param string $wp_command WP-CLI command to run.
	 * @return string
	 */
	private function generate_ssh_command( $bits, $wp_command ) {
		$escaped_command = '';

// Set default values.
		foreach ( array( 'scheme', 'user', 'host', 'port', 'path' ) as $bit ) {
			if ( ! isset( $bits[ $bit ] ) ) {
				$bits[ $bit ] = null;
			}

WP_CLI::debug( 'SSH ' . $bit . ': ' . $bits[ $bit ], 'bootstrap' );
		}

$is_tty = function_exists( 'posix_isatty' ) && posix_isatty( STDOUT );

if ( 'docker' === $bits['scheme'] ) {
			$command = 'docker exec %s%s%s sh -c %s';

$escaped_command = sprintf(
				$command,
				$bits['user'] ? '--user ' . escapeshellarg( $bits['user'] ) . ' ' : '',
				$is_tty ? '-t ' : '',
				escapeshellarg( $bits['host'] ),
				escapeshellarg( $wp_command )
			);
		}

if ( 'docker-compose' === $bits['scheme'] ) {
			$command = 'docker-compose exec %s%s%s sh -c %s';

$escaped_command = sprintf(
				$command,
				$bits['user'] ? '--user ' . escapeshellarg( $bits['user'] ) . ' ' : '',
				$is_tty ? '' : '-T ',
				escapeshellarg( $bits['host'] ),
				escapeshellarg( $wp_command )
			);
		}

// Vagrant ssh-config.
		if ( 'vagrant' === $bits['scheme'] ) {
			$command = 'vagrant ssh -c %s %s';

$escaped_command = sprintf(
				$command,
				escapeshellarg( $wp_command ),
				escapeshellarg( $bits['host'] )
			);
		}

// Default scheme is SSH.
		if ( 'ssh' === $bits['scheme'] || null === $bits['scheme'] ) {
			$command = 'ssh -q %s%s %s %s';

if ( $bits['user'] ) {
				$bits['host'] = $bits['user'] . '@' . $bits['host'];
			}

$escaped_command = sprintf(
				$command,
				$bits['port'] ? '-p ' . (int) $bits['port'] . ' ' : '',
				escapeshellarg( $bits['host'] ),
				$is_tty ? '-t' : '-T',
				escapeshellarg( $wp_command )
			);
		}

WP_CLI::debug( 'Running SSH command: ' . $escaped_command, 'bootstrap' );

return $escaped_command;
	}

/**
	 * Check whether a given command is disabled by the config
	 *
	 * @return bool
	 */
	public function is_command_disabled( $command ) {
		$path = implode( ' ', array_slice( \WP_CLI\Dispatcher\get_path( $command ), 1 ) );
		return in_array( $path, $this->config['disabled_commands'], true );
	}

/**
	 * Returns wp-config.php code, skipping the loading of wp-settings.php
	 *
	 * @return string
	 */
	public function get_wp_config_code() {
		$wp_config_path = Utils\locate_wp_config();

$wp_config_code = explode( "\n", file_get_contents( $wp_config_path ) );

$found_wp_settings = false;

$lines_to_run = array();

foreach ( $wp_config_code as $line ) {
			if ( preg_match( '/^\s*require.+wp-settings\.php/', $line ) ) {
				$found_wp_settings = true;
				continue;
			}

$lines_to_run[] = $line;
		}

if ( ! $found_wp_settings ) {
			WP_CLI::error( 'Strange wp-config.php file: wp-settings.php is not loaded directly.' );
		}

$source = implode( "\n", $lines_to_run );
		$source = Utils\replace_path_consts( $source, $wp_config_path );
		return preg_replace( '|^\s*\<\?php\s*|', '', $source );
	}

/**
	 * Transparently convert deprecated syntaxes
	 *
	 * @param array $args
	 * @param array $assoc_args
	 * @return array
	 */
	private static function back_compat_conversions( $args, $assoc_args ) {
		$top_level_aliases = array(
			'sql'  => 'db',
			'blog' => 'site',
		);
		if ( count( $args ) > 0 ) {
			foreach ( $top_level_aliases as $old => $new ) {
				if ( $old === $args[0] ) {
					$args[0] = $new;
					break;
				}
			}
		}

// *-meta  ->  * meta
		if ( ! empty( $args ) && preg_match( '/(post|comment|user|network)-meta/', $args[0], $matches ) ) {
			array_shift( $args );
			array_unshift( $args, 'meta' );
			array_unshift( $args, $matches[1] );
		}

// core (multsite-)install --admin_name=  ->  --admin_user=
		if ( count( $args ) > 0 && 'core' === $args[0] && isset( $assoc_args['admin_name'] ) ) {
			$assoc_args['admin_user'] = $assoc_args['admin_name'];
			unset( $assoc_args['admin_name'] );
		}

// core config  ->  config create
		if ( array( 'core', 'config' ) === array_slice( $args, 0, 2 ) ) {
			list( $args[0], $args[1] ) = array( 'config', 'create' );
		}
		// core language  ->  language core
		if ( array( 'core', 'language' ) === array_slice( $args, 0, 2 ) ) {
			list( $args[0], $args[1] ) = array( 'language', 'core' );
		}

// checksum core  ->  core verify-checksums
		if ( array( 'checksum', 'core' ) === array_slice( $args, 0, 2 ) ) {
			list( $args[0], $args[1] ) = array( 'core', 'verify-checksums' );
		}

// checksum plugin  ->  plugin verify-checksums
		if ( array( 'checksum', 'plugin' ) === array_slice( $args, 0, 2 ) ) {
			list( $args[0], $args[1] ) = array( 'plugin', 'verify-checksums' );
		}

// site create --site_id=  ->  site create --network_id=
		if ( count( $args ) >= 2 && 'site' === $args[0] && 'create' === $args[1] && isset( $assoc_args['site_id'] ) ) {
			$assoc_args['network_id'] = $assoc_args['site_id'];
			unset( $assoc_args['site_id'] );
		}

// {plugin|theme} update-all  ->  {plugin|theme} update --all
		if ( count( $args ) > 1 && in_array( $args[0], array( 'plugin', 'theme' ), true )
			&& 'update-all' === $args[1]
		) {
			$args[1]           = 'update';
			$assoc_args['all'] = true;
		}

// transient delete-expired  ->  transient delete --expired
		if ( count( $args ) > 1 && 'transient' === $args[0] && 'delete-expired' === $args[1] ) {
			$args[1]               = 'delete';
			$assoc_args['expired'] = true;
		}

// transient delete-all  ->  transient delete --all
		if ( count( $args ) > 1 && 'transient' === $args[0] && 'delete-all' === $args[1] ) {
			$args[1]           = 'delete';
			$assoc_args['all'] = true;
		}

// plugin scaffold  ->  scaffold plugin
		if ( array( 'plugin', 'scaffold' ) === array_slice( $args, 0, 2 ) ) {
			list( $args[0], $args[1] ) = array( $args[1], $args[0] );
		}

// foo --help  ->  help foo
		if ( isset( $assoc_args['help'] ) ) {
			array_unshift( $args, 'help' );
			unset( $assoc_args['help'] );
		}

// {post|user} list --ids  ->  {post|user} list --format=ids
		if ( count( $args ) > 1 && in_array( $args[0], array( 'post', 'user' ), true )
			&& 'list' === $args[1]
			&& isset( $assoc_args['ids'] )
		) {
			$assoc_args['format'] = 'ids';
			unset( $assoc_args['ids'] );
		}

// --json  ->  --format=json
		if ( isset( $assoc_args['json'] ) ) {
			$assoc_args['format'] = 'json';
			unset( $assoc_args['json'] );
		}

// --{version|info}  ->  cli {version|info}
		if ( empty( $args ) ) {
			$special_flags = array( 'version', 'info' );
			foreach ( $special_flags as $key ) {
				if ( isset( $assoc_args[ $key ] ) ) {
					$args = array( 'cli', $key );
					unset( $assoc_args[ $key ] );
					break;
				}
			}
		}

// (post|comment|site|term) url  --> (post|comment|site|term) list --*__in --field=url
		if ( count( $args ) >= 2 && in_array( $args[0], array( 'post', 'comment', 'site', 'term' ), true ) && 'url' === $args[1] ) {
			switch ( $args[0] ) {
				case 'post':
					$post_ids                = array_slice( $args, 2 );
					$args                    = array( 'post', 'list' );
					$assoc_args['post__in']  = implode( ',', $post_ids );
					$assoc_args['post_type'] = 'any';
					$assoc_args['orderby']   = 'post__in';
					$assoc_args['field']     = 'url';
					break;
				case 'comment':
					$comment_ids               = array_slice( $args, 2 );
					$args                      = array( 'comment', 'list' );
					$assoc_args['comment__in'] = implode( ',', $comment_ids );
					$assoc_args['orderby']     = 'comment__in';
					$assoc_args['field']       = 'url';
					break;
				case 'site':
					$site_ids               = array_slice( $args, 2 );
					$args                   = array( 'site', 'list' );
					$assoc_args['site__in'] = implode( ',', $site_ids );
					$assoc_args['field']    = 'url';
					break;
				case 'term':
					$taxonomy = '';
					if ( isset( $args[2] ) ) {
						$taxonomy = $args[2];
					}
					$term_ids              = array_slice( $args, 3 );
					$args                  = array( 'term', 'list', $taxonomy );
					$assoc_args['include'] = implode( ',', $term_ids );
					$assoc_args['orderby'] = 'include';
					$assoc_args['field']   = 'url';
					break;
			}
		}

// config get --[global|constant]=<global|constant> --> config get <name> --type=constant|variable
		// config get --> config list
		if ( count( $args ) === 2
			&& 'config' === $args[0]
			&& 'get' === $args[1] ) {
			if ( isset( $assoc_args['global'] ) ) {
				$name = $assoc_args['global'];
				$type = 'variable';
				unset( $assoc_args['global'] );
			} elseif ( isset( $assoc_args['constant'] ) ) {
				$name = $assoc_args['constant'];
				$type = 'constant';
				unset( $assoc_args['constant'] );
			}
			if ( ! empty( $name ) && ! empty( $type ) ) {
				$args[]             = $name;
				$assoc_args['type'] = $type;
			} else {
				// We had a 'config get' without a '<name>', so assume 'list' was wanted.
				$args[1] = 'list';
			}
		}

return array( $args, $assoc_args );
	}

/**
	 * Whether or not the output should be rendered in color
	 *
	 * @return bool
	 */
	public function in_color() {
		return $this->colorize;
	}

public function init_colorization() {
		if ( 'auto' === $this->config['color'] ) {
			$this->colorize = ( ! \WP_CLI\Utils\isPiped() && ! \WP_CLI\Utils\is_windows() );
		} else {
			$this->colorize = $this->config['color'];
		}
	}

public function init_logger() {
		if ( $this->config['quiet'] ) {
			$logger = new \WP_CLI\Loggers\Quiet();
		} else {
			$logger = new \WP_CLI\Loggers\Regular( $this->in_color() );
		}

WP_CLI::set_logger( $logger );
	}

public function get_required_files() {
		return $this->_required_files;
	}

/**
	 * Do WordPress core files exist?
	 *
	 * @return bool
	 */
	private function wp_exists() {
		return file_exists( ABSPATH . 'wp-includes/version.php' );
	}

/**
	 * Are WordPress core files readable?
	 *
	 * @return bool
	 */
	private function wp_is_readable() {
		return is_readable( ABSPATH . 'wp-includes/version.php' );
	}

private function check_wp_version() {
		$wp_exists      = $this->wp_exists();
		$wp_is_readable = $this->wp_is_readable();
		if ( ! $wp_exists || ! $wp_is_readable ) {
			$this->show_synopsis_if_composite_command();
			// If the command doesn't exist use as error.
			$args                   = $this->cmd_starts_with( array( 'help' ) ) ? array_slice( $this->arguments, 1 ) : $this->arguments;
			$suggestion_or_disabled = $this->find_command_to_run( $args );
			if ( is_string( $suggestion_or_disabled ) ) {
				if ( ! preg_match( '/disabled from the config file.$/', $suggestion_or_disabled ) ) {
					WP_CLI::warning( "No WordPress installation found. If the command '" . implode( ' ', $args ) . "' is in a plugin or theme, pass --path=`path/to/wordpress`." );
				}
				WP_CLI::error( $suggestion_or_disabled );
			}

if ( $wp_exists && ! $wp_is_readable ) {
				WP_CLI::error(
					'It seems, the WordPress core files do not have the proper file permissions.'
				);
			}
			WP_CLI::error(
				"This does not seem to be a WordPress installation.\n" .
				'Pass --path=`path/to/wordpress` or run `wp core download`.'
			);
		}

global $wp_version;
		include ABSPATH . 'wp-includes/version.php';

$minimum_version = '3.7';

// @codingStandardsIgnoreStart
		if ( version_compare( $wp_version, $minimum_version, '<' ) ) {
			WP_CLI::error(
				"WP-CLI needs WordPress $minimum_version or later to work properly. " .
				"The version currently installed is $wp_version.\n" .
				'Try running `wp core download --force`.'
			);
		}
		// @codingStandardsIgnoreEnd
	}

public function init_config() {
		$configurator = \WP_CLI::get_configurator();

$argv = array_slice( $GLOBALS['argv'], 1 );

$this->alias = null;
		if ( ! empty( $argv[0] ) && preg_match( '#' . Configurator::ALIAS_REGEX . '#', $argv[0], $matches ) ) {
			$this->alias = array_shift( $argv );
		}

// File config
		{
			$this->global_config_path  = $this->get_global_config_path();
			$this->project_config_path = $this->get_project_config_path();

$configurator->merge_yml( $this->global_config_path, $this->alias );
			$config                          = $configurator->to_array();
			$this->_required_files['global'] = $config[0]['require'];
			$configurator->merge_yml( $this->project_config_path, $this->alias );
			$config                           = $configurator->to_array();
			$this->_required_files['project'] = $config[0]['require'];
		}

// Runtime config and args
		{
			list( $args, $assoc_args, $this->runtime_config ) = $configurator->parse_args( $argv );

list( $this->arguments, $this->assoc_args ) = self::back_compat_conversions(
				$args,
				$assoc_args
			);

$configurator->merge_array( $this->runtime_config );
		}

list( $this->config, $this->extra_config ) = $configurator->to_array();
		$this->aliases                             = $configurator->get_aliases();
		if ( count( $this->aliases ) && ! isset( $this->aliases['@all'] ) ) {
			$this->aliases         = array_reverse( $this->aliases );
			$this->aliases['@all'] = 'Run command against every registered alias.';
			$this->aliases         = array_reverse( $this->aliases );
		}
		$this->_required_files['runtime'] = $this->config['require'];
	}

private function check_root() {
		if ( $this->config['allow-root'] ) {
			return; # they're aware of the risks!
		}
		if ( count( $this->arguments ) >= 2 && 'cli' === $this->arguments[0] && in_array( $this->arguments[1], array( 'update', 'info' ), true ) ) {
			return; # make it easier to update root-owned copies
		}
		if ( ! function_exists( 'posix_geteuid' ) ) {
			return; # posix functions not available
		}
		if ( posix_geteuid() !== 0 ) {
			return; # not root
		}

WP_CLI::error(
			"YIKES! It looks like you're running this as root. You probably meant to " .
			"run this as the user that your WordPress installation exists under.\n" .
			"\n" .
			"If you REALLY mean to run this as root, we won't stop you, but just " .
			'bear in mind that any code on this site will then have full control of ' .
			"your server, making it quite DANGEROUS.\n" .
			"\n" .
			"If you'd like to continue as root, please run this again, adding this " .
			"flag:  --allow-root\n" .
			"\n" .
			"If you'd like to run it as the user that this site is under, you can " .
			"run the following to become the respective user:\n" .
			"\n" .
			"    sudo -u USER -i -- wp <command>\n" .
			"\n"
		);
	}

private function run_alias_group( $aliases ) {
		Utils\check_proc_available( 'group alias' );

$php_bin = escapeshellarg( Utils\get_php_binary() );

$script_path = $GLOBALS['argv'][0];

if ( getenv( 'WP_CLI_CONFIG_PATH' ) ) {
			$config_path = getenv( 'WP_CLI_CONFIG_PATH' );
		} else {
			$config_path = Utils\get_home_dir() . '/.wp-cli/config.yml';
		}
		$config_path = escapeshellarg( $config_path );

foreach ( $aliases as $alias ) {
			WP_CLI::log( $alias );
			$args           = implode( ' ', array_map( 'escapeshellarg', $this->arguments ) );
			$assoc_args     = Utils\assoc_args_to_str( $this->assoc_args );
			$runtime_config = Utils\assoc_args_to_str( $this->runtime_config );
			$full_command   = "WP_CLI_CONFIG_PATH={$config_path} {$php_bin} {$script_path} {$alias} {$args}{$assoc_args}{$runtime_config}";
			$proc           = Utils\proc_open_compat( $full_command, array( STDIN, STDOUT, STDERR ), $pipes );
			proc_close( $proc );
		}
	}

private function set_alias( $alias ) {
		$orig_config  = $this->config;
		$alias_config = $this->aliases[ $this->alias ];
		$this->config = array_merge( $orig_config, $alias_config );
		foreach ( $alias_config as $key => $_ ) {
			if ( isset( $orig_config[ $key ] ) && ! is_null( $orig_config[ $key ] ) ) {
				$this->assoc_args[ $key ] = $orig_config[ $key ];
			}
		}
	}

public function start() {
		// Enable PHP error reporting to stderr if testing. Will need to be re-enabled after WP loads.
		if ( getenv( 'BEHAT_RUN' ) ) {
			$this->enable_error_reporting();
		}

WP_CLI::debug( $this->_global_config_path_debug, 'bootstrap' );
		WP_CLI::debug( $this->_project_config_path_debug, 'bootstrap' );
		WP_CLI::debug( 'argv: ' . implode( ' ', $GLOBALS['argv'] ), 'bootstrap' );

$this->check_root();
		if ( $this->alias ) {
			if ( '@all' === $this->alias && ! isset( $this->aliases['@all'] ) ) {
				WP_CLI::error( "Cannot use '@all' when no aliases are registered." );
			}

if ( '@all' === $this->alias && is_string( $this->aliases['@all'] ) ) {
				$aliases = array_keys( $this->aliases );
				$k       = array_search( '@all', $aliases, true );
				unset( $aliases[ $k ] );
				$this->run_alias_group( $aliases );
				exit;
			}

if ( ! array_key_exists( $this->alias, $this->aliases ) ) {
				$error_msg  = "Alias '{$this->alias}' not found.";
				$suggestion = Utils\get_suggestion( $this->alias, array_keys( $this->aliases ), $threshold = 2 );
				if ( $suggestion ) {
					$error_msg .= PHP_EOL . "Did you mean '{$suggestion}'?";
				}
				WP_CLI::error( $error_msg );
			}
			// Numerically indexed means a group of aliases
			if ( isset( $this->aliases[ $this->alias ][0] ) ) {
				$group_aliases = $this->aliases[ $this->alias ];
				$all_aliases   = array_keys( $this->aliases );
				$diff          = array_diff( $group_aliases, $all_aliases );
				if ( ! empty( $diff ) ) {
					WP_CLI::error( "Group '{$this->alias}' contains one or more invalid aliases: " . implode( ', ', $diff ) );
				}
				$this->run_alias_group( $group_aliases );
				exit;
			}

$this->set_alias( $this->alias );
		}

if ( empty( $this->arguments ) ) {
			$this->arguments[] = 'help';
		}

// Protect 'cli info' from most of the runtime,
		// except when the command will be run over SSH
		if ( 'cli' === $this->arguments[0] && ! empty( $this->arguments[1] ) && 'info' === $this->arguments[1] && ! $this->config['ssh'] ) {
			$this->_run_command_and_exit();
		}

if ( isset( $this->config['http'] ) && ! class_exists( '\WP_REST_CLI\Runner' ) ) {
			WP_CLI::error( "RESTful WP-CLI needs to be installed. Try 'wp package install wp-cli/restful'." );
		}

if ( $this->config['ssh'] ) {
			$this->run_ssh_command( $this->config['ssh'] );
			return;
		}

// Handle --path parameter
		self::set_wp_root( $this->find_wp_root() );

// First try at showing man page - if help command and either haven't found 'version.php' or 'wp-config.php' (so won't be loading WP & adding commands) or help on subcommand.
		if ( $this->cmd_starts_with( array( 'help' ) )
			&& ( ! $this->wp_exists()
				|| ! Utils\locate_wp_config()
				|| count( $this->arguments ) > 2
			) ) {
			$this->auto_check_update();
			$this->run_command( $this->arguments, $this->assoc_args );
			// Help didn't exit so failed to find the command at this stage.
		}

// Handle --url parameter
		$url = self::guess_url( $this->config );
		if ( $url ) {
			\WP_CLI::set_url( $url );
		}

$this->do_early_invoke( 'before_wp_load' );

$this->check_wp_version();

if ( $this->cmd_starts_with( array( 'config', 'create' ) ) ) {
			$this->_run_command_and_exit();
		}

if ( ! Utils\locate_wp_config() ) {
			WP_CLI::error(
				"'wp-config.php' not found.\n" .
				'Either create one manually or use `wp config create`.'
			);
		}

if ( $this->cmd_starts_with( array( 'core', 'is-installed' ) )
			|| $this->cmd_starts_with( array( 'core', 'update-db' ) ) ) {
			define( 'WP_INSTALLING', true );
		}

if (
			count( $this->arguments ) >= 2 &&
			'core' === $this->arguments[0] &&
			in_array( $this->arguments[1], array( 'install', 'multisite-install' ), true )
		) {
			define( 'WP_INSTALLING', true );

// We really need a URL here
			if ( ! isset( $_SERVER['HTTP_HOST'] ) ) {
				$url = 'http://example.com';
				\WP_CLI::set_url( $url );
			}

if ( 'multisite-install' === $this->arguments[1] ) {
				// need to fake some globals to skip the checks in wp-includes/ms-settings.php
				$url_parts = Utils\parse_url( $url );
				self::fake_current_site_blog( $url_parts );

if ( ! defined( 'COOKIEHASH' ) ) {
					define( 'COOKIEHASH', md5( $url_parts['host'] ) );
				}
			}
		}

if ( $this->cmd_starts_with( array( 'import' ) ) ) {
			define( 'WP_LOAD_IMPORTERS', true );
			define( 'WP_IMPORTING', true );
		}

if ( $this->cmd_starts_with( array( 'cron', 'event', 'run' ) ) ) {
			define( 'DOING_CRON', true );
		}

$this->load_wordpress();

$this->_run_command_and_exit();

}

/**
	 * Load WordPress, if it hasn't already been loaded
	 */
	public function load_wordpress() {
		static $wp_cli_is_loaded;
		// Globals not explicitly globalized in WordPress
		global $site_id, $wpdb, $public, $current_site, $current_blog, $path, $shortcode_tags;

if ( ! empty( $wp_cli_is_loaded ) ) {
			return;
		}

$wp_cli_is_loaded = true;

WP_CLI::debug( 'Begin WordPress load', 'bootstrap' );
		WP_CLI::do_hook( 'before_wp_load' );

$this->check_wp_version();

$wp_config_path = Utils\locate_wp_config();
		if ( ! $wp_config_path ) {
			WP_CLI::error(
				"'wp-config.php' not found.\n" .
				'Either create one manually or use `wp config create`.'
			);
		}

WP_CLI::debug( 'wp-config.php path: ' . $wp_config_path, 'bootstrap' );
		WP_CLI::do_hook( 'before_wp_config_load' );

// Load wp-config.php code, in the global scope
		$wp_cli_original_defined_vars = get_defined_vars();

eval( $this->get_wp_config_code() ); // phpcs:ignore Squiz.PHP.Eval.Discouraged -- @codingStandardsIgnoreLine

foreach ( get_defined_vars() as $key => $var ) {
			if ( array_key_exists( $key, $wp_cli_original_defined_vars ) || 'wp_cli_original_defined_vars' === $key ) {
				continue;
			}
			// @codingStandardsIgnoreLine
			global ${$key};
			${$key} = $var;
		}

$this->maybe_update_url_from_domain_constant();
		WP_CLI::do_hook( 'after_wp_config_load' );
		$this->do_early_invoke( 'after_wp_config_load' );

// Prevent error notice from wp_guess_url() when core isn't installed
		if ( $this->cmd_starts_with( array( 'core', 'is-installed' ) )
			&& ! defined( 'COOKIEHASH' ) ) {
			define( 'COOKIEHASH', md5( 'wp-cli' ) );
		}

// Load WP-CLI utilities
		require WP_CLI_ROOT . '/php/utils-wp.php';

// Set up WordPress bootstrap actions and filters
		$this->setup_bootstrap_hooks();

// Load Core, mu-plugins, plugins, themes etc.
		if ( Utils\wp_version_compare( '4.6-alpha-37575', '>=' ) ) {
			if ( $this->cmd_starts_with( array( 'help' ) ) ) {
				// Hack: define `WP_DEBUG` and `WP_DEBUG_DISPLAY` to get `wpdb::bail()` to `wp_die()`.
				if ( ! defined( 'WP_DEBUG' ) ) {
					define( 'WP_DEBUG', true );
				}
				if ( ! defined( 'WP_DEBUG_DISPLAY' ) ) {
					define( 'WP_DEBUG_DISPLAY', true );
				}
			}
			require ABSPATH . 'wp-settings.php';
		} else {
			require WP_CLI_ROOT . '/php/wp-settings-cli.php';
		}

// Fix memory limit. See http://core.trac.wordpress.org/ticket/14889
		ini_set( 'memory_limit', -1 );

// Load all the admin APIs, for convenience
		require ABSPATH . 'wp-admin/includes/admin.php';

add_filter(
			'filesystem_method',
			function() {
				return 'direct';
			},
			99
		);

// Re-enable PHP error reporting to stderr if testing.
		if ( getenv( 'BEHAT_RUN' ) ) {
			$this->enable_error_reporting();
		}

WP_CLI::debug( 'Loaded WordPress', 'bootstrap' );
		WP_CLI::do_hook( 'after_wp_load' );

}

private static function fake_current_site_blog( $url_parts ) {
		global $current_site, $current_blog;

if ( ! isset( $url_parts['path'] ) ) {
			$url_parts['path'] = '/';
		}

$current_site = (object) array(
			'id'            => 1,
			'blog_id'       => 1,
			'domain'        => $url_parts['host'],
			'path'          => $url_parts['path'],
			'cookie_domain' => $url_parts['host'],
			'site_name'     => 'Fake Site',
		);

$current_blog = (object) array(
			'blog_id'  => 1,
			'site_id'  => 1,
			'domain'   => $url_parts['host'],
			'path'     => $url_parts['path'],
			'public'   => '1',
			'archived' => '0',
			'mature'   => '0',
			'spam'     => '0',
			'deleted'  => '0',
			'lang_id'  => '0',
		);
	}

/**
	 * Called after wp-config.php is eval'd, to potentially reset `--url`
	 */
	private function maybe_update_url_from_domain_constant() {
		if ( ! empty( $this->config['url'] ) || ! empty( $this->config['blog'] ) ) {
			return;
		}

if ( defined( 'DOMAIN_CURRENT_SITE' ) ) {
			$url = DOMAIN_CURRENT_SITE;
			if ( defined( 'PATH_CURRENT_SITE' ) ) {
				$url .= PATH_CURRENT_SITE;
			}
			\WP_CLI::set_url( $url );
		}
	}

/**
	 * Set up hooks meant to run during the WordPress bootstrap process
	 */
	private function setup_bootstrap_hooks() {

if ( $this->config['skip-plugins'] ) {
			$this->setup_skip_plugins_filters();
		}

if ( $this->config['skip-themes'] ) {
			WP_CLI::add_wp_hook( 'setup_theme', array( $this, 'action_setup_theme_wp_cli_skip_themes' ), 999 );
		}

if ( $this->cmd_starts_with( array( 'help' ) ) ) {
			// Try to trap errors on help.
			$help_handler = array( $this, 'help_wp_die_handler' ); // Avoid any cross PHP version issues by not using $this in anon function.
			WP_CLI::add_wp_hook(
				'wp_die_handler',
				function () use ( $help_handler ) {
					return $help_handler;
				}
			);
		} else {
			WP_CLI::add_wp_hook(
				'wp_die_handler',
				function() {
					return '\WP_CLI\Utils\wp_die_handler';
				}
			);
		}

// Prevent code from performing a redirect
		WP_CLI::add_wp_hook( 'wp_redirect', 'WP_CLI\\Utils\\wp_redirect_handler' );

WP_CLI::add_wp_hook(
			'nocache_headers',
			function( $headers ) {
				// WordPress might be calling nocache_headers() because of a dead db
				global $wpdb;
				if ( ! empty( $wpdb->error ) ) {
					Utils\wp_die_handler( $wpdb->error );
				}
				// Otherwise, WP might be calling nocache_headers() because WP isn't installed
				Utils\wp_not_installed();
				return $headers;
			}
		);

// ALTERNATE_WP_CRON might trigger a redirect, which we can't handle
		if ( defined( 'ALTERNATE_WP_CRON' ) && ALTERNATE_WP_CRON ) {
			WP_CLI::add_wp_hook(
				'muplugins_loaded',
				function() {
					remove_action( 'init', 'wp_cron' );
				}
			);
		}

// Get rid of warnings when converting single site to multisite
		if ( defined( 'WP_INSTALLING' ) && $this->is_multisite() ) {
			$values = array(
				'ms_files_rewriting'             => null,
				'active_sitewide_plugins'        => array(),
				'_site_transient_update_core'    => null,
				'_site_transient_update_themes'  => null,
				'_site_transient_update_plugins' => null,
				'WPLANG'                         => '',
			);
			foreach ( $values as $key => $value ) {
				WP_CLI::add_wp_hook(
					"pre_site_option_$key",
					function () use ( $values, $key ) {
						return $values[ $key ];
					}
				);
			}
		}

// Always permit operations against sites, regardless of status
		WP_CLI::add_wp_hook( 'ms_site_check', '__return_true' );

// Always permit operations against WordPress, regardless of maintenance mode
		WP_CLI::add_wp_hook(
			'enable_maintenance_mode',
			function() {
				return false;
			}
		);

// Use our own debug mode handling instead of WP core
		WP_CLI::add_wp_hook(
			'enable_wp_debug_mode_checks',
			function( $ret ) {
				Utils\wp_debug_mode();
				return false;
			}
		);

// Never load advanced-cache.php drop-in when WP-CLI is operating
		WP_CLI::add_wp_hook(
			'enable_loading_advanced_cache_dropin',
			function() {
				return false;
			}
		);

// In a multisite installation, die if unable to find site given in --url parameter
		if ( $this->is_multisite() ) {
			$run_on_site_not_found = false;
			if ( $this->cmd_starts_with( array( 'cache', 'flush' ) ) ) {
				$run_on_site_not_found = 'cache flush';
			}
			if ( $this->cmd_starts_with( array( 'search-replace' ) ) ) {
				// Table-specified
				// Bits: search-replace <search> <replace> [<table>...]
				// Or not against a specific blog
				if ( count( $this->arguments ) > 3
					|| ! empty( $this->assoc_args['network'] )
					|| ! empty( $this->assoc_args['all-tables'] )
					|| ! empty( $this->assoc_args['all-tables-with-prefix'] ) ) {
					$run_on_site_not_found = 'search-replace';
				}
			}
			if ( $run_on_site_not_found
				&& Utils\wp_version_compare( '4.0', '>=' ) ) {
				WP_CLI::add_wp_hook(
					'ms_site_not_found',
					function() use ( $run_on_site_not_found ) {
						// esc_sql() isn't yet loaded, but needed.
						if ( 'search-replace' === $run_on_site_not_found ) {
							require_once ABSPATH . WPINC . '/formatting.php';
						}
						// PHP 5.3 compatible implementation of _run_command_and_exit().
						$runner = WP_CLI::get_runner();
						$runner->run_command( $runner->arguments, $runner->assoc_args );
						exit;
					},
					1
				);
			}
			WP_CLI::add_wp_hook(
				'ms_site_not_found',
				function( $current_site, $domain, $path ) {
					$url         = $domain . $path;
					$message     = $url ? "Site '{$url}' not found." : 'Site not found.';
					$has_param   = isset( WP_CLI::get_runner()->config['url'] );
					$has_const   = defined( 'DOMAIN_CURRENT_SITE' );
					$explanation = '';
					if ( $has_param ) {
						$explanation = 'Verify `--url=<url>` matches an existing site.';
					} else {
						$explanation = "Define DOMAIN_CURRENT_SITE in 'wp-config.php' or use `--url=<url>` to override.";

if ( $has_const ) {
							$explanation = 'Verify DOMAIN_CURRENT_SITE matches an existing site or use `--url=<url>` to override.';
						}
					}
					if ( $explanation ) {
						$message .= ' ' . $explanation;
					}
					WP_CLI::error( $message );
				},
				10,
				3
			);
		}

// The APC cache is not available on the command-line, so bail, to prevent cache poisoning
		WP_CLI::add_wp_hook(
			'muplugins_loaded',
			function() {
				if ( $GLOBALS['_wp_using_ext_object_cache'] && class_exists( 'APC_Object_Cache' ) ) {
					WP_CLI::warning( 'Running WP-CLI while the APC object cache is activated can result in cache corruption.' );
					WP_CLI::confirm( 'Given the consequences, do you wish to continue?' );
				}
			},
			0
		);

// Handle --user parameter
		if ( ! defined( 'WP_INSTALLING' ) ) {
			$config = $this->config;
			WP_CLI::add_wp_hook(
				'init',
				function() use ( $config ) {
					if ( isset( $config['user'] ) ) {
						$fetcher = new \WP_CLI\Fetchers\User();
						$user    = $fetcher->get_check( $config['user'] );
						wp_set_current_user( $user->ID );
					} else {
						add_action( 'init', 'kses_remove_filters', 11 );
					}
				},
				0
			);
		}

// Avoid uncaught exception when using wp_mail() without defined $_SERVER['SERVER_NAME']
		WP_CLI::add_wp_hook(
			'wp_mail_from',
			function( $from_email ) {
				if ( 'wordpress@' === $from_email ) {
					$sitename = strtolower( parse_url( site_url(), PHP_URL_HOST ) );
					if ( substr( $sitename, 0, 4 ) === 'www.' ) {
						$sitename = substr( $sitename, 4 );
					}
					$from_email = 'wordpress@' . $sitename;
				}
				return $from_email;
			}
		);

// Don't apply set_url_scheme in get_site_url()
		WP_CLI::add_wp_hook(
			'site_url',
			function( $url, $path, $scheme, $blog_id ) {
				if ( empty( $blog_id ) || ! is_multisite() ) {
					$url = get_option( 'siteurl' );
				} else {
					switch_to_blog( $blog_id );
					$url = get_option( 'siteurl' );
					restore_current_blog();
				}
				if ( $path && is_string( $path ) ) {
					$url .= '/' . ltrim( $path, '/' );
				}
				return $url;
			},
			0,
			4
		);

// Set up hook for plugins and themes to conditionally add WP-CLI commands.
		WP_CLI::add_wp_hook(
			'init',
			function () {
				do_action( 'cli_init' );
			}
		);
	}

/**
	 * Set up the filters to skip the loaded plugins
	 */
	private function setup_skip_plugins_filters() {
		$wp_cli_filter_active_plugins = function( $plugins ) {
			$skipped_plugins = WP_CLI::get_runner()->config['skip-plugins'];
			if ( true === $skipped_plugins ) {
				return array();
			}
			if ( ! is_array( $plugins ) ) {
				return $plugins;
			}
			foreach ( $plugins as $a => $b ) {
				// active_sitewide_plugins stores plugin name as the key.
				if ( false !== strpos( current_filter(), 'active_sitewide_plugins' ) && Utils\is_plugin_skipped( $a ) ) {
					unset( $plugins[ $a ] );
					// active_plugins stores plugin name as the value.
				} elseif ( false !== strpos( current_filter(), 'active_plugins' ) && Utils\is_plugin_skipped( $b ) ) {
					unset( $plugins[ $a ] );
				}
			}
			// Reindex because active_plugins expects a numeric index.
			if ( false !== strpos( current_filter(), 'active_plugins' ) ) {
				$plugins = array_values( $plugins );
			}
			return $plugins;
		};

$hooks = array(
			'pre_site_option_active_sitewide_plugins',
			'site_option_active_sitewide_plugins',
			'pre_option_active_plugins',
			'option_active_plugins',
		);
		foreach ( $hooks as $hook ) {
			WP_CLI::add_wp_hook( $hook, $wp_cli_filter_active_plugins, 999 );
		}
		WP_CLI::add_wp_hook(
			'plugins_loaded',
			function() use ( $hooks, $wp_cli_filter_active_plugins ) {
				foreach ( $hooks as $hook ) {
					remove_filter( $hook, $wp_cli_filter_active_plugins, 999 );
				}
			},
			0
		);
	}

/**
	 * Set up the filters to skip the loaded theme
	 */
	public function action_setup_theme_wp_cli_skip_themes() {
		$wp_cli_filter_active_theme = function( $value ) {
			$skipped_themes = WP_CLI::get_runner()->config['skip-themes'];
			if ( true === $skipped_themes ) {
				return '';
			}
			if ( ! is_array( $skipped_themes ) ) {
				$skipped_themes = explode( ',', $skipped_themes );
			}

$checked_value = $value;
			// Always check against the stylesheet value
			// This ensures a child theme can be skipped when template differs
			if ( false !== stripos( current_filter(), 'option_template' ) ) {
				$checked_value = get_option( 'stylesheet' );
			}

if ( '' === $checked_value || in_array( $checked_value, $skipped_themes, true ) ) {
				return '';
			}
			return $value;
		};
		$hooks                      = array(
			'pre_option_template',
			'option_template',
			'pre_option_stylesheet',
			'option_stylesheet',
		);
		foreach ( $hooks as $hook ) {
			add_filter( $hook, $wp_cli_filter_active_theme, 999 );
		}
		// Clean up after the TEMPLATEPATH and STYLESHEETPATH constants are defined
		WP_CLI::add_wp_hook(
			'after_setup_theme',
			function() use ( $hooks, $wp_cli_filter_active_theme ) {
				foreach ( $hooks as $hook ) {
					remove_filter( $hook, $wp_cli_filter_active_theme, 999 );
				}
			},
			0
		);
	}

/**
	 * Whether or not this WordPress installation is multisite.
	 *
	 * For use after wp-config.php has loaded, but before the rest of WordPress
	 * is loaded.
	 */
	private function is_multisite() {
		if ( defined( 'MULTISITE' ) ) {
			return MULTISITE;
		}

if ( defined( 'SUBDOMAIN_INSTALL' ) || defined( 'VHOST' ) || defined( 'SUNRISE' ) ) {
			return true;
		}

return false;
	}

/**
	 * Error handler for `wp_die()` when the command is help to try to trap errors (db connection failure in particular) during WordPress load.
	 */
	public function help_wp_die_handler( $message ) {
		$help_exit_warning = 'Error during WordPress load.';
		if ( $message instanceof \WP_Error ) {
			$help_exit_warning = WP_CLI\Utils\wp_clean_error_message( $message->get_error_message() );
		} elseif ( is_string( $message ) ) {
			$help_exit_warning = WP_CLI\Utils\wp_clean_error_message( $message );
		}
		$this->_run_command_and_exit( $help_exit_warning );
	}

/**
	 * Check whether there's a WP-CLI update available, and suggest update if so.
	 */
	private function auto_check_update() {

// `wp cli update` only works with Phars at this time.
		if ( ! Utils\inside_phar() ) {
			return;
		}

$existing_phar = realpath( $_SERVER['argv'][0] );
		// Phar needs to be writable to be easily updateable.
		if ( ! is_writable( $existing_phar ) || ! is_writable( dirname( $existing_phar ) ) ) {
			return;
		}

// Only check for update when a human is operating.
		if ( ! function_exists( 'posix_isatty' ) || ! posix_isatty( STDOUT ) ) {
			return;
		}

// Allow hosts and other providers to disable automatic check update.
		if ( getenv( 'WP_CLI_DISABLE_AUTO_CHECK_UPDATE' ) ) {
			return;
		}

// Permit configuration of number of days between checks.
		$days_between_checks = getenv( 'WP_CLI_AUTO_CHECK_UPDATE_DAYS' );
		if ( false === $days_between_checks ) {
			$days_between_checks = 1;
		}

$cache     = WP_CLI::get_cache();
		$cache_key = 'wp-cli-update-check';
		// Bail early on the first check, so we don't always check on an unwritable cache.
		if ( ! $cache->has( $cache_key ) ) {
			$cache->write( $cache_key, time() );
			return;
		}

// Bail if last check is still within our update check time period.
		$last_check = (int) $cache->read( $cache_key );
		if ( ( time() - ( 24 * 60 * 60 * $days_between_checks ) ) < $last_check ) {
			return;
		}

// In case the operation fails, ensure the timestamp has been updated.
		$cache->write( $cache_key, time() );

// Check whether any updates are available.
		ob_start();
		WP_CLI::run_command(
			array( 'cli', 'check-update' ),
			array(
				'format' => 'count',
			)
		);
		$count = ob_get_clean();
		if ( ! $count ) {
			return;
		}

// Looks like an update is available, so let's prompt to update.
		WP_CLI::run_command( array( 'cli', 'update' ) );
		// If the Phar was replaced, we can't proceed with the original process.
		exit;
	}

/**
	 * Get a suggestion on similar (sub)commands when the user entered an
	 * unknown (sub)command.
	 *
	 * @param string           $entry        User entry that didn't match an
	 *                                       existing command.
	 * @param CompositeCommand $root_command Root command to start search for
	 *                                       suggestions at.
	 *
	 * @return string Suggestion that fits the user entry, or an empty string.
	 */
	private function get_subcommand_suggestion( $entry, CompositeCommand $root_command = null ) {
		$commands = array();
		$this->enumerate_commands( $root_command ?: \WP_CLI::get_root_command(), $commands );

return Utils\get_suggestion( $entry, $commands, $threshold = 2 );
	}

/**
	 * Recursive method to enumerate all known commands.
	 *
	 * @param CompositeCommand $command Composite command to recurse over.
	 * @param array            $list    Reference to list accumulating results.
	 * @param string           $parent  Parent command to use as prefix.
	 */
	private function enumerate_commands( CompositeCommand $command, array &$list, $parent = '' ) {
		foreach ( $command->get_subcommands() as $subcommand ) {
			/** @var CompositeCommand $subcommand */
			$command_string = empty( $parent )
				? $subcommand->get_name()
				: "{$parent} {$subcommand->get_name()}";

$list[] = $command_string;

$this->enumerate_commands( $subcommand, $list, $command_string );
		}
	}

/**
	 * Enables (almost) full PHP error reporting to stderr.
	 */
	private function enable_error_reporting() {
		if ( E_ALL !== error_reporting() ) {
			// Don't enable E_DEPRECATED as old versions of WP use PHP 4 style constructors and the mysql extension.
			error_reporting( E_ALL & ~E_DEPRECATED );
		}
		ini_set( 'display_errors', 'stderr' );
	}
}
<?php

namespace WP_CLI\Bootstrap;

/**
 * Class RunnerInstance.
 *
 * Convenience class for steps that make use of the `WP_CLI\Runner` object.
 *
 * @package WP_CLI\Bootstrap
 */
final class RunnerInstance {

/**
	 * Return an instance of the `WP_CLI\Runner` object.
	 *
	 * Includes necessary class files first as needed.
	 *
	 * @return \WP_CLI\Runner
	 */
	public function __invoke() {
		if ( ! class_exists( 'WP_CLI\Runner' ) ) {
			require_once WP_CLI_ROOT . '/php/WP_CLI/Runner.php';
		}

if ( ! class_exists( 'WP_CLI\Configurator' ) ) {
			require_once WP_CLI_ROOT . '/php/WP_CLI/Configurator.php';
		}

return \WP_CLI::get_runner();
	}
}
<?php

namespace WP_CLI\Bootstrap;

/**
 * Class DeclareAbstractBaseCommand.
 *
 * Declares the abstract `WP_CLI_Command` base class.
 *
 * @package WP_CLI\Bootstrap
 */
final class DeclareAbstractBaseCommand implements BootstrapStep {

/**
	 * Process this single bootstrapping step.
	 *
	 * @param BootstrapState $state Contextual state to pass into the step.
	 *
	 * @return BootstrapState Modified state to pass to the next step.
	 */
	public function process( BootstrapState $state ) {
		require_once WP_CLI_ROOT . '/php/class-wp-cli-command.php';

return $state;
	}
}
<?php

namespace WP_CLI\Bootstrap;

/**
 * Class DefineProtectedCommands.
 *
 * Define the commands that are "protected", meaning that they shouldn't be able
 * to break due to extension code.
 *
 * @package WP_CLI\Bootstrap
 */
final class DefineProtectedCommands implements BootstrapStep {

/**
	 * Process this single bootstrapping step.
	 *
	 * @param BootstrapState $state Contextual state to pass into the step.
	 *
	 * @return BootstrapState Modified state to pass to the next step.
	 */
	public function process( BootstrapState $state ) {
		$commands        = $this->get_protected_commands();
		$current_command = $this->get_current_command();

foreach ( $commands as $command ) {
			if ( 0 === strpos( $current_command, $command ) ) {
				$state->setValue( BootstrapState::IS_PROTECTED_COMMAND, true );
			}
		}

return $state;
	}

/**
	 * Get the list of protected commands.
	 *
	 * @return array
	 */
	private function get_protected_commands() {
		return array(
			'cli info',
			'package',
		);
	}

/**
	 * Get the current command as a string.
	 *
	 * @return string Current command to be executed.
	 */
	private function get_current_command() {
		$runner = new RunnerInstance();

return implode( ' ', (array) $runner()->arguments );
	}
}
<?php

namespace WP_CLI\Bootstrap;

/**
 * Class IncludeFallbackAutoloader.
 *
 * Loads the fallback autoloader that is provided through the `composer.json`
 * file.
 *
 * @package WP_CLI\Bootstrap
 */
final class IncludeFallbackAutoloader extends AutoloaderStep {

/**
	 * Get the autoloader paths to scan for an autoloader.
	 *
	 * @return string[]|false Array of strings with autoloader paths, or false
	 *                        to skip.
	 */
	protected function get_autoloader_paths() {
		$autoloader_paths = array(
			WP_CLI_VENDOR_DIR . '/autoload.php',
		);

$custom_vendor = $this->get_custom_vendor_folder();
		if ( false !== $custom_vendor ) {
			array_unshift(
				$autoloader_paths,
				WP_CLI_ROOT . '/../../../' . $custom_vendor . '/autoload.php'
			);
		}

\WP_CLI::debug(
			sprintf(
				'Fallback autoloader paths: %s',
				implode( ', ', $autoloader_paths )
			),
			'bootstrap'
		);

return $autoloader_paths;
	}
}
<?php

namespace WP_CLI\Bootstrap;

/**
 * Class LoadUtilityFunctions.
 *
 * Loads the functions available through `WP_CLI\Utils`.
 *
 * @package WP_CLI\Bootstrap
 */
final class LoadUtilityFunctions implements BootstrapStep {

return $state;
	}
}
<?php

namespace WP_CLI\Bootstrap;

use WP_CLI\Autoloader;

/**
 * Class IncludeFrameworkAutoloader.
 *
 * Loads the framework autoloader through an autolaoder separate from the
 * Composer one, to avoid coupling the loading of the framework with bundled
 * commands.
 *
 * This only contains classes for the framework.
 *
 * @package WP_CLI\Bootstrap
 */
final class IncludeFrameworkAutoloader implements BootstrapStep {

/**
	 * Process this single bootstrapping step.
	 *
	 * @param BootstrapState $state Contextual state to pass into the step.
	 *
	 * @return BootstrapState Modified state to pass to the next step.
	 */
	public function process( BootstrapState $state ) {
		if ( ! class_exists( 'WP_CLI\Autolaoder' ) ) {
			require_once WP_CLI_ROOT . '/php/WP_CLI/Autoloader.php';
		}

$autoloader = new Autoloader();

$mappings = [
			'WP_CLI'                   => WP_CLI_ROOT . '/php/WP_CLI',
			'cli'                      => WP_CLI_VENDOR_DIR . '/wp-cli/php-cli-tools/lib/cli',
			'Requests'                 => WP_CLI_VENDOR_DIR . '/rmccue/requests/library/Requests',
			'Symfony\Component\Finder' => WP_CLI_VENDOR_DIR . '/symfony/finder/',
		];

foreach ( $mappings as $namespace => $folder ) {
			$autoloader->add_namespace(
				$namespace,
				$folder
			);
		}

include_once WP_CLI_VENDOR_DIR . '/rmccue/requests/library/Requests.php';
		include_once WP_CLI_VENDOR_DIR . '/ramsey/array_column/src/array_column.php';
		include_once WP_CLI_VENDOR_DIR . '/wp-cli/mustangostang-spyc/Spyc.php';

$autoloader->register();

return $state;
	}
}
<?php

namespace WP_CLI\Bootstrap;

/**
 * Abstract class AutoloaderStep.
 *
 * Abstract base class for steps that include an autoloader.
 *
 * @package WP_CLI\Bootstrap
 */
abstract class AutoloaderStep implements BootstrapStep {

/**
	 * Store state for subclasses to have access.
	 *
	 * @var BootstrapState
	 */
	protected $state;

$found_autoloader = false;
		$autoloader_paths = $this->get_autoloader_paths();

if ( false === $autoloader_paths ) {
			// Skip this autoloading step.
			return $state;
		}

foreach ( $autoloader_paths as $autoloader_path ) {
			if ( is_readable( $autoloader_path ) ) {
				try {
					\WP_CLI::debug(
						sprintf(
							'Loading detected autoloader: %s',
							$autoloader_path
						),
						'bootstrap'
					);
					require $autoloader_path;
					$found_autoloader = true;
				} catch ( \Exception $exception ) {
					\WP_CLI::warning(
						"Failed to load autoloader '{$autoloader_path}'. Reason: "
						. $exception->getMessage()
					);
				}
			}
		}

if ( ! $found_autoloader ) {
			$this->handle_failure();
		}

return $this->state;
	}

/**
	 * Get the name of the custom vendor folder as set in `composer.json`.
	 *
	 * @return string|false Name of the custom vendor folder or false if none.
	 */
	protected function get_custom_vendor_folder() {
		$maybe_composer_json = WP_CLI_ROOT . '/../../../composer.json';
		if ( ! is_readable( $maybe_composer_json ) ) {
			return false;
		}

$composer = json_decode( file_get_contents( $maybe_composer_json ) );

if ( ! empty( $composer->config )
			&& ! empty( $composer->config->{'vendor-dir'} )
		) {
			return $composer->config->{'vendor-dir'};
		}

return false;
	}

/**
	 * Handle the failure to find an autoloader.
	 *
	 * @return void
	 */
	protected function handle_failure() { }

/**
	 * Get the autoloader paths to scan for an autoloader.
	 *
	 * @return string[]|false Array of strings with autoloader paths, or false
	 *                        to skip.
	 */
	abstract protected function get_autoloader_paths();
}
<?php

namespace WP_CLI\Bootstrap;

/**
 * Class LoadDispatcher.
 *
 * Loads the dispatcher that will dispatch command names to file locations.
 *
 * @package WP_CLI\Bootstrap
 */
final class LoadDispatcher implements BootstrapStep {

return $state;
	}
}
<?php

namespace WP_CLI\Bootstrap;

/**
 * Class LaunchRunner.
 *
 * Kick off the Runner object that starts the actual commands.
 *
 * @package WP_CLI\Bootstrap
 */
final class LaunchRunner implements BootstrapStep {

/**
	 * Process this single bootstrapping step.
	 *
	 * @param BootstrapState $state Contextual state to pass into the step.
	 *
	 * @return BootstrapState Modified state to pass to the next step.
	 */
	public function process( BootstrapState $state ) {
		$runner = new RunnerInstance();
		$runner()->start();

return $state;
	}
}
<?php

namespace WP_CLI\Bootstrap;

/**
 * Class RegisterDeferredCommands.
 *
 * Registers the deferred commands that for which no parent was registered yet.
 * This is necessary, because we can have sub-commands that have no direct
 * parent, like `wp network meta`.
 *
 * @package WP_CLI\Bootstrap
 */
final class RegisterDeferredCommands implements BootstrapStep {

// Process deferred command additions for external packages.
		$this->add_deferred_commands();

// Process deferred command additions for commands added through
		// plugins.
		\WP_CLI::add_hook(
			'before_run_command',
			array( $this, 'add_deferred_commands' )
		);

return $state;
	}

/**
	 * Add deferred commands that are still waiting to be processed.
	 */
	public function add_deferred_commands() {
		$deferred_additions = \WP_CLI::get_deferred_additions();

foreach ( $deferred_additions as $name => $addition ) {
			\WP_CLI::debug(
				sprintf(
					'Adding deferred command: %s => %s',
					$name,
					json_encode( $addition )
				),
				'bootstrap'
			);

\WP_CLI::add_command(
				$name,
				$addition['callable'],
				$addition['args']
			);
		}
	}
}
<?php

namespace WP_CLI\Bootstrap;

/**
 * Class InitializeLogger.
 *
 * Initialize the logger through the `WP_CLI\Runner` object.
 *
 * @package WP_CLI\Bootstrap
 */
final class InitializeLogger implements BootstrapStep {

/**
	 * Process this single bootstrapping step.
	 *
	 * @param BootstrapState $state Contextual state to pass into the step.
	 *
	 * @return BootstrapState Modified state to pass to the next step.
	 */
	public function process( BootstrapState $state ) {
		$this->declare_loggers();
		$runner = new RunnerInstance();
		$runner()->init_logger();

return $state;
	}

/**
	 * Load the class declarations for the loggers.
	 */
	private function declare_loggers() {
		$logger_dir = WP_CLI_ROOT . '/php/WP_CLI/Loggers';
		$iterator   = new \DirectoryIterator( $logger_dir );

// Make sure the base class is declared first.
		include_once "$logger_dir/Base.php";

foreach ( $iterator as $filename ) {
			if ( '.php' !== substr( $filename, - 4 ) ) {
				continue;
			}

include_once "$logger_dir/$filename";
		}
	}
}
<?php

namespace WP_CLI\Bootstrap;

use WP_CLI;
use WP_CLI\Utils;

/**
 * Class LoadRequiredCommand.
 *
 * Loads a command that was passed through the `--require=<command>` option.
 *
 * @package WP_CLI\Bootstrap
 */
final class LoadRequiredCommand implements BootstrapStep {

/**
	 * Process this single bootstrapping step.
	 *
	 * @param BootstrapState $state Contextual state to pass into the step.
	 *
	 * @return BootstrapState Modified state to pass to the next step.
	 */
	public function process( BootstrapState $state ) {
		if ( $state->getValue( BootstrapState::IS_PROTECTED_COMMAND, false ) ) {
			return $state;
		}

$runner = new RunnerInstance();
		if ( ! isset( $runner()->config['require'] ) ) {
			return $state;
		}

foreach ( $runner()->config['require'] as $path ) {
			if ( ! file_exists( $path ) ) {
				$context        = '';
				$required_files = $runner()->get_required_files();
				foreach ( array( 'global', 'project', 'runtime' ) as $scope ) {
					if ( in_array( $path, $required_files[ $scope ], true ) ) {
						switch ( $scope ) {
							case 'global':
								$context = ' (from global ' . Utils\basename( $runner()->get_global_config_path() ) . ')';
								break;
							case 'project':
								$context = ' (from project\'s ' . Utils\basename( $runner()->get_project_config_path() ) . ')';
								break;
							case 'runtime':
								$context = ' (from runtime argument)';
								break;
						}
						break;
					}
				}
				WP_CLI::error( sprintf( "Required file '%s' doesn't exist%s.", Utils\basename( $path ), $context ) );
			}
			Utils\load_file( $path );
			WP_CLI::debug( 'Required file from config: ' . $path, 'bootstrap' );
		}

return $state;
	}
}
<?php

namespace WP_CLI\Bootstrap;

/**
 * Class DeclareMainClass.
 *
 * Declares the main `WP_CLI` class.
 *
 * @package WP_CLI\Bootstrap
 */
final class DeclareMainClass implements BootstrapStep {

return $state;
	}
}
<?php

namespace WP_CLI\Bootstrap;

/**
 * Class RegisterFrameworkCommands.
 *
 * Register the commands that are directly included with the framework.
 *
 * @package WP_CLI\Bootstrap
 */
final class RegisterFrameworkCommands implements BootstrapStep {

$iterator = new \DirectoryIterator( $cmd_dir );

foreach ( $iterator as $filename ) {
			if ( '.php' !== substr( $filename, - 4 ) ) {
				continue;
			}

try {
				\WP_CLI::debug(
					sprintf(
						'Adding framework command: %s',
						"$cmd_dir/$filename"
					),
					'bootstrap'
				);

include_once "$cmd_dir/$filename";
			} catch ( \Exception $exception ) {
				\WP_CLI::warning(
					"Could not add command {$cmd_dir}/{$filename}. Reason: " . $exception->getMessage()
				);
			}
		}

return $state;
	}
}
<?php

namespace WP_CLI\Bootstrap;

/**
 * Class InitializeColorization.
 *
 * Initialize the colorization through the `WP_CLI\Runner` object.
 *
 * @package WP_CLI\Bootstrap
 */
final class InitializeColorization implements BootstrapStep {

/**
	 * Process this single bootstrapping step.
	 *
	 * @param BootstrapState $state Contextual state to pass into the step.
	 *
	 * @return BootstrapState Modified state to pass to the next step.
	 */
	public function process( BootstrapState $state ) {
		$runner = new RunnerInstance();
		$runner()->init_colorization();

return $state;
	}
}
<?php

namespace WP_CLI\Bootstrap;

/**
 * Class IncludePackageAutoloader.
 *
 * Loads the package autoloader that includes all the external packages.
 *
 * @package WP_CLI\Bootstrap
 */
final class IncludePackageAutoloader extends AutoloaderStep {

/**
	 * Get the autoloader paths to scan for an autoloader.
	 *
	 * @return string[]|false Array of strings with autoloader paths, or false
	 *                        to skip.
	 */
	protected function get_autoloader_paths() {
		if ( $this->state->getValue( BootstrapState::IS_PROTECTED_COMMAND, false ) ) {
			return false;
		}

$runner        = new RunnerInstance();
		$skip_packages = $runner()->config['skip-packages'];
		if ( true === $skip_packages ) {
			\WP_CLI::debug( 'Skipped loading packages.', 'bootstrap' );

return false;
		}

$autoloader_path = $runner()->get_packages_dir_path() . 'vendor/autoload.php';

if ( is_readable( $autoloader_path ) ) {
			\WP_CLI::debug(
				'Loading packages from: ' . $autoloader_path,
				'bootstrap'
			);

return array(
				$autoloader_path,
			);
		}

return false;
	}

/**
	 * Handle the failure to find an autoloader.
	 *
	 * @return void
	 */
	protected function handle_failure() {
		\WP_CLI::debug( 'No package autoload found to load.', 'bootstrap' );
	}
}
<?php

namespace WP_CLI\Bootstrap;

/**
 * Class BootstrapState.
 *
 * Represents the state that is passed from one bootstrap step to the next.
 *
 * @package WP_CLI\Bootstrap
 */
class BootstrapState {

/**
	 * Whether the command currently being run is "protected".
	 *
	 * This means that the command should not be allowed to break due to
	 * extension code.
	 */
	const IS_PROTECTED_COMMAND = 'is_protected_command';

/**
	 * Internal storage of the state values.
	 *
	 * @var array
	 */
	private $state = array();

/**
	 * Get the state value for a given key.
	 *
	 * @param string $key      Key to get the state from.
	 * @param mixed  $fallback Fallback value to use if the key is not defined.
	 *
	 * @return mixed
	 */
	// @codingStandardsIgnoreLine
	public function getValue( $key, $fallback = null ) {
		return array_key_exists( $key, $this->state )
			? $this->state[ $key ]
			: $fallback;
	}

/**
	 * Set the state value for a given key.
	 *
	 * @param string $key   Key to set the state for.
	 * @param mixed  $value Value to set the state for the given key to.
	 *
	 * @return void
	 */
	// @codingStandardsIgnoreLine
	public function setValue( $key, $value ) {
		$this->state[ $key ] = $value;
	}
}
<?php

namespace WP_CLI\Bootstrap;

/**
 * Class ConfigureRunner.
 *
 * Initialize the configuration for the `WP_CLI\Runner` object.
 *
 * @package WP_CLI\Bootstrap
 */
final class ConfigureRunner implements BootstrapStep {

/**
	 * Process this single bootstrapping step.
	 *
	 * @param BootstrapState $state Contextual state to pass into the step.
	 *
	 * @return BootstrapState Modified state to pass to the next step.
	 */
	public function process( BootstrapState $state ) {
		$runner = new RunnerInstance();
		$runner()->init_config();

return $state;
	}
}
<?php

namespace WP_CLI\Bootstrap;

/**
 * Interface BootstrapStep.
 *
 * Represents a single bootstrapping step that can be processed.
 *
 * @package WP_CLI\Bootstrap
 */
interface BootstrapStep {

namespace WP_CLI;

/**
 * Escape route for not doing anything.
 */
final class NoOp {

public function __set( $key, $value ) {
		// do nothing
	}

public function __call( $method, $args ) {
		// do nothing
	}
}

<?php

/*
 * This file is heavily inspired and use code from Composer(getcomposer.org),
 * in particular Composer/Cache and Composer/Util/FileSystem from 1.0.0-alpha7
 *
 * The original code and this file are both released under MIT license.
 *
 * The copyright holders of the original code are:
 * (c) Nils Adermann <naderman@naderman.de>
 *     Jordi Boggiano <j.boggiano@seld.be>
 */

namespace WP_CLI;

use Symfony\Component\Finder\Finder;

/**
 * Reads/writes to a filesystem cache
 */
class FileCache {

/**
	 * @var string cache path
	 */
	protected $root;
	/**
	 * @var bool
	 */
	protected $enabled = true;
	/**
	 * @var int files time to live
	 */
	protected $ttl;
	/**
	 * @var int max total size
	 */
	protected $maxSize;
	/**
	 * @var string key allowed chars (regex class)
	 */
	protected $whitelist;

/**
	 * @param string $cacheDir   location of the cache
	 * @param int    $ttl        cache files default time to live (expiration)
	 * @param int    $maxSize    max total cache size
	 * @param string $whitelist  List of characters that are allowed in path names (used in a regex character class)
	 */
	public function __construct( $cacheDir, $ttl, $maxSize, $whitelist = 'a-z0-9._-' ) {
		$this->root      = Utils\trailingslashit( $cacheDir );
		$this->ttl       = (int) $ttl;
		$this->maxSize   = (int) $maxSize;
		$this->whitelist = $whitelist;

if ( ! $this->ensure_dir_exists( $this->root ) ) {
			$this->enabled = false;
		}

}

/**
	 * Cache is enabled
	 *
	 * @return bool
	 */
	public function is_enabled() {
		return $this->enabled;
	}

/**
	 * Cache root
	 *
	 * @return string
	 */
	public function get_root() {
		return $this->root;
	}

/**
	 * Check if a file is in cache and return its filename
	 *
	 * @param string $key cache key
	 * @param int    $ttl time to live
	 * @return bool|string filename or false
	 */
	public function has( $key, $ttl = null ) {
		if ( ! $this->enabled ) {
			return false;
		}

$filename = $this->filename( $key );

if ( ! file_exists( $filename ) ) {
			return false;
		}

// use ttl param or global ttl
		if ( null === $ttl ) {
			$ttl = $this->ttl;
		} elseif ( $this->ttl > 0 ) {
			$ttl = min( (int) $ttl, $this->ttl );
		} else {
			$ttl = (int) $ttl;
		}

//
		if ( $ttl > 0 && ( filemtime( $filename ) + $ttl ) < time() ) {
			if ( $this->ttl > 0 && $ttl >= $this->ttl ) {
				unlink( $filename );
			}
			return false;
		}

return $filename;
	}

/**
	 * Write to cache file
	 *
	 * @param string $key      cache key
	 * @param string $contents file contents
	 * @return bool
	 */
	public function write( $key, $contents ) {
		$filename = $this->prepare_write( $key );

if ( $filename ) {
			return file_put_contents( $filename, $contents ) && touch( $filename );
		}

return false;
	}

/**
	 * Read from cache file
	 *
	 * @param string $key cache key
	 * @param int    $ttl time to live
	 * @return bool|string file contents or false
	 */
	public function read( $key, $ttl = null ) {
		$filename = $this->has( $key, $ttl );

if ( $filename ) {
			return file_get_contents( $filename );
		}

return false;
	}

/**
	 * Copy a file into the cache
	 *
	 * @param string $key    cache key
	 * @param string $source source filename
	 * @return bool
	 */
	public function import( $key, $source ) {
		$filename = $this->prepare_write( $key );

if ( $filename ) {
			return copy( $source, $filename ) && touch( $filename );
		}

return false;
	}

/**
	 * Copy a file out of the cache
	 *
	 * @param string $key    cache key
	 * @param string $target target filename
	 * @param int    $ttl    time to live
	 * @return bool
	 */
	public function export( $key, $target, $ttl = null ) {
		$filename = $this->has( $key, $ttl );

if ( $filename ) {
			return copy( $filename, $target );
		}

return false;
	}

/**
	 * Remove file from cache
	 *
	 * @param string $key cache key
	 * @return bool
	 */
	public function remove( $key ) {
		if ( ! $this->enabled ) {
			return false;
		}

$filename = $this->filename( $key );

if ( file_exists( $filename ) ) {
			return unlink( $filename );
		}

return false;
	}

/**
	 * Clean cache based on time to live and max size
	 *
	 * @return bool
	 */
	public function clean() {
		if ( ! $this->enabled ) {
			return false;
		}

$ttl     = $this->ttl;
		$maxSize = $this->maxSize;

// unlink expired files
		if ( $ttl > 0 ) {
			try {
				$expire = new \DateTime();
			} catch ( \Exception $e ) {
				\WP_CLI::error( $e->getMessage() );
			}
			$expire->modify( '-' . $ttl . ' seconds' );

$finder = $this->get_finder()->date( 'until ' . $expire->format( 'Y-m-d H:i:s' ) );
			foreach ( $finder as $file ) {
				unlink( $file->getRealPath() );
			}
		}

// unlink older files if max cache size is exceeded
		if ( $maxSize > 0 ) {
			$files = array_reverse( iterator_to_array( $this->get_finder()->sortByAccessedTime()->getIterator() ) );
			$total = 0;

foreach ( $files as $file ) {
				if ( ( $total + $file->getSize() ) <= $maxSize ) {
					$total += $file->getSize();
				} else {
					unlink( $file->getRealPath() );
				}
			}
		}

return true;
	}

/**
	 * Remove all cached files.
	 *
	 * @return bool
	 */
	public function clear() {
		if ( ! $this->enabled ) {
			return false;
		}

$finder = $this->get_finder();

foreach ( $finder as $file ) {
			unlink( $file->getRealPath() );
		}

return true;
	}

/**
	 * Remove all cached files except for the newest version of one.
	 *
	 * @return bool
	 */
	public function prune() {
		if ( ! $this->enabled ) {
			return false;
		}

/* @var Finder $finder */
		$finder = $this->get_finder()->sortByName();

$files_to_delete = array();

foreach ( $finder as $file ) {
			$pieces    = explode( '-', $file->getBasename( $file->getExtension() ) );
			$timestamp = end( $pieces );

// No way to compare versions, do nothing.
			if ( ! is_numeric( $timestamp ) ) {
				continue;
			}

$basename_without_timestamp = str_replace( '-' . $timestamp, '', $file->getBasename() );

// There's a file with an older timestamp, delete it.
			if ( isset( $files_to_delete[ $basename_without_timestamp ] ) ) {
				unlink( $files_to_delete[ $basename_without_timestamp ] );
			}

$files_to_delete[ $basename_without_timestamp ] = $file->getRealPath();
		}

return true;
	}

/**
	 * Ensure directory exists
	 *
	 * @param string $dir directory
	 * @return bool
	 */
	protected function ensure_dir_exists( $dir ) {
		if ( ! is_dir( $dir ) ) {
			if ( ! @mkdir( $dir, 0777, true ) ) { // @codingStandardsIgnoreLine
				$error = error_get_last();
				\WP_CLI::warning( sprintf( "Failed to create directory '%s': %s.", $dir, $error['message'] ) );
				return false;
			}
		}

return true;
	}

/**
	 * Prepare cache write
	 *
	 * @param string $key cache key
	 * @return bool|string filename or false
	 */
	protected function prepare_write( $key ) {
		if ( ! $this->enabled ) {
			return false;
		}

$filename = $this->filename( $key );

if ( ! $this->ensure_dir_exists( dirname( $filename ) ) ) {
			return false;
		}

return $filename;
	}

/**
	 * Validate cache key
	 *
	 * @param string $key cache key
	 * @return string relative filename
	 */
	protected function validate_key( $key ) {
		$url_parts = parse_url( $key );
		if ( ! empty( $url_parts['scheme'] ) ) { // is url
			$parts   = array( 'misc' );
			$parts[] = $url_parts['scheme'] . '-' . $url_parts['host'] .
				( empty( $url_parts['port'] ) ? '' : '-' . $url_parts['port'] );
			$parts[] = substr( $url_parts['path'], 1 ) .
				( empty( $url_parts['query'] ) ? '' : '-' . $url_parts['query'] );
		} else {
			$key   = str_replace( '\\', '/', $key );
			$parts = explode( '/', ltrim( $key ) );
		}

$parts = preg_replace( "#[^{$this->whitelist}]#i", '-', $parts );

return implode( '/', $parts );
	}

/**
	 * Filename from key
	 *
	 * @param string $key
	 * @return string filename
	 */
	protected function filename( $key ) {
		return $this->root . $this->validate_key( $key );
	}

/**
	 * Get a Finder that iterates in cache root only the files
	 *
	 * @return Finder
	 */
	protected function get_finder() {
		return Finder::create()->in( $this->root )->files();
	}
}
<?php

namespace WP_CLI\Fetchers;

/**
 * Fetch a WordPress entity for use in a subcommand.
 */
abstract class Base {

/**
	 * @var string $msg The message to display when an item is not found
	 */
	protected $msg;

/**
	 * @param string $arg The raw CLI argument
	 * @return mixed|false The item if found; false otherwise
	 */
	abstract public function get( $arg );

/**
	 * Like get(), but calls WP_CLI::error() instead of returning false.
	 *
	 * @param string $arg The raw CLI argument
	 */
	public function get_check( $arg ) {
		$item = $this->get( $arg );

if ( ! $item ) {
			\WP_CLI::error( sprintf( $this->msg, $arg ) );
		}

return $item;
	}

/**
	 * @param array The raw CLI arguments
	 * @return array The list of found items
	 */
	public function get_many( $args ) {
		$items = array();

foreach ( $args as $arg ) {
			$item = $this->get( $arg );

if ( $item ) {
				$items[] = $item;
			} else {
				\WP_CLI::warning( sprintf( $this->msg, $arg ) );
			}
		}

return $items;
	}
}

<?php

namespace WP_CLI;

use Mustangostang\Spyc;

/**
 * Parse command attributes from its PHPdoc.
 * Used to determine execution characteristics (arguments, etc.).
 */
class DocParser {

/**
	 * @var string $docComment PHPdoc command for the command.
	 */
	protected $docComment;

/**
	 * @param string $docComment
	 */
	public function __construct( $docComment ) {
		/* Make sure we have a known line ending in document */
		$docComment       = str_replace( "\r\n", "\n", $docComment );
		$this->docComment = self::remove_decorations( $docComment );
	}

/**
	 * Remove unused cruft from PHPdoc comment.
	 *
	 * @param string $comment PHPdoc comment.
	 * @return string
	 */
	private static function remove_decorations( $comment ) {
		$comment = preg_replace( '|^/\*\*[\r\n]+|', '', $comment );
		$comment = preg_replace( '|\n[\t ]*\*/$|', '', $comment );
		$comment = preg_replace( '|^[\t ]*\* ?|m', '', $comment );

return $comment;
	}

/**
	 * Get the command's short description (e.g. summary).
	 *
	 * @return string
	 */
	public function get_shortdesc() {
		if ( ! preg_match( '|^([^@][^\n]+)\n*|', $this->docComment, $matches ) ) {
			return '';
		}

return $matches[1];
	}

/**
	 * Get the command's full description
	 *
	 * @return string
	 */
	public function get_longdesc() {
		$shortdesc = $this->get_shortdesc();
		if ( ! $shortdesc ) {
			return '';
		}

$longdesc = substr( $this->docComment, strlen( $shortdesc ) );

$lines = array();
		foreach ( explode( "\n", $longdesc ) as $line ) {
			if ( 0 === strpos( $line, '@' ) ) {
				break;
			}

$lines[] = $line;
		}
		$longdesc = trim( implode( $lines, "\n" ) );

return $longdesc;
	}

/**
	 * Get the value for a given tag (e.g. "@alias" or "@subcommand")
	 *
	 * @param string $name Name for the tag, without '@'
	 * @return string
	 */
	public function get_tag( $name ) {
		if ( preg_match( '|^@' . $name . '\s+([a-z-_0-9]+)|m', $this->docComment, $matches ) ) {
			return $matches[1];
		}

return '';
	}

/**
	 * Get the command's synopsis.
	 *
	 * @return string
	 */
	public function get_synopsis() {
		if ( ! preg_match( '|^@synopsis\s+(.+)|m', $this->docComment, $matches ) ) {
			return '';
		}

return $matches[1];
	}

/**
	 * Get the description for a given argument.
	 *
	 * @param string $name Argument's doc name.
	 * @return string
	 */
	public function get_arg_desc( $name ) {

if ( preg_match( "/\[?<{$name}>.+\n: (.+?)(\n|$)/", $this->docComment, $matches ) ) {
			return $matches[1];
		}

return '';

}

/**
	 * Get the arguments for a given argument.
	 *
	 * @param string $name Argument's doc name.
	 * @return mixed|null
	 */
	public function get_arg_args( $name ) {
		return $this->get_arg_or_param_args( "/^\[?<{$name}>.*/" );
	}

/**
	 * Get the description for a given parameter.
	 *
	 * @param string $key Parameter's key.
	 * @return string
	 */
	public function get_param_desc( $key ) {

if ( preg_match( "/\[?--{$key}=.+\n: (.+?)(\n|$)/", $this->docComment, $matches ) ) {
			return $matches[1];
		}

return '';
	}

/**
	 * Get the arguments for a given parameter.
	 *
	 * @param string $key Parameter's key.
	 * @return mixed|null
	 */
	public function get_param_args( $key ) {
		return $this->get_arg_or_param_args( "/^\[?--{$key}=.*/" );
	}

/**
	 * Get the args for an arg or param
	 *
	 * @param string $regex Pattern to match against
	 * @return array|null Interpreted YAML document, or null.
	 */
	private function get_arg_or_param_args( $regex ) {
		$bits       = explode( "\n", $this->docComment );
		$within_arg = false;
		$within_doc = false;
		$document   = array();
		foreach ( $bits as $bit ) {
			if ( preg_match( $regex, $bit ) ) {
				$within_arg = true;
			}

if ( $within_arg && $within_doc && '---' === $bit ) {
				$within_doc = false;
			}

if ( $within_arg && ! $within_doc && '---' === $bit ) {
				$within_doc = true;
			}

if ( $within_doc ) {
				$document[] = $bit;
			}

if ( $within_arg && '' === $bit ) {
				$within_arg = false;
				break;
			}
		}

if ( $document ) {
			return Spyc::YAMLLoadString( implode( "\n", $document ) );
		}
		return null;
	}

}
<?php

namespace WP_CLI;

use Mustangostang\Spyc;

/**
 * Output one or more items in a given format (e.g. table, JSON).
 */
class Formatter {

/**
	 * @var array $args How the items should be output.
	 */
	private $args;

/**
	 * @var string $prefix Standard prefix for object fields.
	 */
	private $prefix;

/**
	 * @param array $assoc_args Output format arguments.
	 * @param array $fields Fields to display of each item.
	 * @param string $prefix Check if fields have a standard prefix.
	 */
	public function __construct( &$assoc_args, $fields = null, $prefix = false ) {
		$format_args = array(
			'format' => 'table',
			'fields' => $fields,
			'field'  => null,
		);

foreach ( array( 'format', 'fields', 'field' ) as $key ) {
			if ( isset( $assoc_args[ $key ] ) ) {
				$format_args[ $key ] = $assoc_args[ $key ];
				unset( $assoc_args[ $key ] );
			}
		}

if ( ! is_array( $format_args['fields'] ) ) {
			$format_args['fields'] = explode( ',', $format_args['fields'] );
		}

$format_args['fields'] = array_map( 'trim', $format_args['fields'] );

$this->args   = $format_args;
		$this->prefix = $prefix;
	}

/**
	 * Magic getter for arguments.
	 *
	 * @param string $key
	 * @return mixed
	 */
	public function __get( $key ) {
		return $this->args[ $key ];
	}

/**
	 * Display multiple items according to the output arguments.
	 *
	 * @param array      $items
	 * @param bool|array $ascii_pre_colorized Optional. A boolean or an array of booleans to pass to `format()` if items in the table are pre-colorized. Default false.
	 */
	public function display_items( $items, $ascii_pre_colorized = false ) {
		if ( $this->args['field'] ) {
			$this->show_single_field( $items, $this->args['field'] );
		} else {
			if ( in_array( $this->args['format'], array( 'csv', 'json', 'table' ), true ) ) {
				$item = is_array( $items ) && ! empty( $items ) ? array_shift( $items ) : false;
				if ( $item && ! empty( $this->args['fields'] ) ) {
					foreach ( $this->args['fields'] as &$field ) {
						$field = $this->find_item_key( $item, $field );
					}
					array_unshift( $items, $item );
				}
			}

if ( in_array( $this->args['format'], array( 'table', 'csv' ), true ) ) {
				if ( is_object( $items ) && is_a( $items, 'Iterator' ) ) {
					$items = \WP_CLI\Utils\iterator_map( $items, array( $this, 'transform_item_values_to_json' ) );
				} else {
					$items = array_map( array( $this, 'transform_item_values_to_json' ), $items );
				}
			}

$this->format( $items, $ascii_pre_colorized );
		}
	}

/**
	 * Display a single item according to the output arguments.
	 *
	 * @param mixed      $item
	 * @param bool|array $ascii_pre_colorized Optional. A boolean or an array of booleans to pass to `show_multiple_fields()` if the item in the table is pre-colorized. Default false.
	 */
	public function display_item( $item, $ascii_pre_colorized = false ) {
		if ( isset( $this->args['field'] ) ) {
			$item  = (object) $item;
			$key   = $this->find_item_key( $item, $this->args['field'] );
			$value = $item->$key;
			if ( in_array( $this->args['format'], array( 'table', 'csv' ), true ) && ( is_object( $value ) || is_array( $value ) ) ) {
				$value = json_encode( $value );
			}
			\WP_CLI::print_value(
				$value,
				array(
					'format' => $this->args['format'],
				)
			);
		} else {
			$this->show_multiple_fields( $item, $this->args['format'], $ascii_pre_colorized );
		}
	}

/**
	 * Format items according to arguments.
	 *
	 * @param array      $items
	 * @param bool|array $ascii_pre_colorized Optional. A boolean or an array of booleans to pass to `show_table()` if items in the table are pre-colorized. Default false.
	 */
	private function format( $items, $ascii_pre_colorized = false ) {
		$fields = $this->args['fields'];

switch ( $this->args['format'] ) {
			case 'count':
				if ( ! is_array( $items ) ) {
					$items = iterator_to_array( $items );
				}
				echo count( $items );
				break;

case 'ids':
				if ( ! is_array( $items ) ) {
					$items = iterator_to_array( $items );
				}
				echo implode( ' ', $items );
				break;

case 'table':
				self::show_table( $items, $fields, $ascii_pre_colorized );
				break;

case 'csv':
				\WP_CLI\Utils\write_csv( STDOUT, $items, $fields );
				break;

case 'json':
			case 'yaml':
				$out = array();
				foreach ( $items as $item ) {
					$out[] = \WP_CLI\Utils\pick_fields( $item, $fields );
				}

if ( 'json' === $this->args['format'] ) {
					if ( defined( 'JSON_PARTIAL_OUTPUT_ON_ERROR' ) ) {
						// @codingStandardsIgnoreLine
						echo json_encode( $out, JSON_PARTIAL_OUTPUT_ON_ERROR );
					} else {
						echo json_encode( $out );
					}
				} elseif ( 'yaml' === $this->args['format'] ) {
					echo Spyc::YAMLDump( $out, 2, 0 );
				}
				break;

default:
				\WP_CLI::error( 'Invalid format: ' . $this->args['format'] );
		}
	}

/**
	 * Show a single field from a list of items.
	 *
	 * @param array Array of objects to show fields from
	 * @param string The field to show
	 */
	private function show_single_field( $items, $field ) {
		$key    = null;
		$values = array();

foreach ( $items as $item ) {
			$item = (object) $item;

if ( null === $key ) {
				$key = $this->find_item_key( $item, $field );
			}

if ( 'json' === $this->args['format'] ) {
				$values[] = $item->$key;
			} else {
				\WP_CLI::print_value(
					$item->$key,
					array(
						'format' => $this->args['format'],
					)
				);
			}
		}

if ( 'json' === $this->args['format'] ) {
			echo json_encode( $values );
		}
	}

/**
	 * Find an object's key.
	 * If $prefix is set, a key with that prefix will be prioritized.
	 *
	 * @param object $item
	 * @param string $field
	 * @return string $key
	 */
	private function find_item_key( $item, $field ) {
		foreach ( array( $field, $this->prefix . '_' . $field ) as $maybe_key ) {
			if ( ( is_object( $item ) && ( property_exists( $item, $maybe_key ) || isset( $item->$maybe_key ) ) ) || ( is_array( $item ) && array_key_exists( $maybe_key, $item ) ) ) {
				$key = $maybe_key;
				break;
			}
		}

if ( ! isset( $key ) ) {
			\WP_CLI::error( "Invalid field: $field." );
		}

return $key;
	}

/**
	 * Show multiple fields of an object.
	 *
	 * @param object|array $data                Data to display
	 * @param string       $format              Format to display the data in
	 * @param bool|array   $ascii_pre_colorized Optional. A boolean or an array of booleans to pass to `show_table()` if the item in the table is pre-colorized. Default false.
	 */
	private function show_multiple_fields( $data, $format, $ascii_pre_colorized = false ) {

$true_fields = array();
		foreach ( $this->args['fields'] as $field ) {
			$true_fields[] = $this->find_item_key( $data, $field );
		}

foreach ( $data as $key => $value ) {
			if ( ! in_array( $key, $true_fields ) ) {
				if ( is_array( $data ) ) {
					unset( $data[ $key ] );
				} elseif ( is_object( $data ) ) {
					unset( $data->$key );
				}
			}
		}

switch ( $format ) {

case 'table':
			case 'csv':
				$rows   = $this->assoc_array_to_rows( $data );
				$fields = array( 'Field', 'Value' );
				if ( 'table' === $format ) {
					self::show_table( $rows, $fields, $ascii_pre_colorized );
				} elseif ( 'csv' === $format ) {
					\WP_CLI\Utils\write_csv( STDOUT, $rows, $fields );
				}
				break;

case 'yaml':
			case 'json':
				\WP_CLI::print_value(
					$data,
					array(
						'format' => $format,
					)
				);
				break;

default:
				\WP_CLI::error( 'Invalid format: ' . $format );
				break;

}

/**
	 * Show items in a \cli\Table.
	 *
	 * @param array      $items
	 * @param array      $fields
	 * @param bool|array $ascii_pre_colorized Optional. A boolean or an array of booleans to pass to `Table::setAsciiPreColorized()` if items in the table are pre-colorized. Default false.
	 */
	private static function show_table( $items, $fields, $ascii_pre_colorized = false ) {
		$table = new \cli\Table();

$enabled = \cli\Colors::shouldColorize();
		if ( $enabled ) {
			\cli\Colors::disable( true );
		}

$table->setAsciiPreColorized( $ascii_pre_colorized );
		$table->setHeaders( $fields );

foreach ( $items as $item ) {
			$table->addRow( array_values( \WP_CLI\Utils\pick_fields( $item, $fields ) ) );
		}

foreach ( $table->getDisplayLines() as $line ) {
			\WP_CLI::line( $line );
		}

if ( $enabled ) {
			\cli\Colors::enable( true );
		}
	}

/**
	 * Format an associative array as a table.
	 *
	 * @param array     $fields    Fields and values to format
	 * @return array    $rows
	 */
	private function assoc_array_to_rows( $fields ) {
		$rows = array();

foreach ( $fields as $field => $value ) {

if ( ! is_string( $value ) ) {
				$value = json_encode( $value );
			}

$rows[] = (object) array(
				'Field' => $field,
				'Value' => $value,
			);
		}

return $rows;
	}

/**
	 * Transforms objects and arrays to JSON as necessary
	 *
	 * @param mixed $item
	 * @return mixed
	 */
	public function transform_item_values_to_json( $item ) {
		foreach ( $this->args['fields'] as $field ) {
			$true_field = $this->find_item_key( $item, $field );
			$value      = is_object( $item ) ? $item->$true_field : $item[ $true_field ];
			if ( is_array( $value ) || is_object( $value ) ) {
				if ( is_object( $item ) ) {
					$item->$true_field = json_encode( $value );
				} elseif ( is_array( $item ) ) {
					$item[ $true_field ] = json_encode( $value );
				}
			}
		}
		return $item;
	}

}
<?php

namespace WP_CLI;

/**
 * Results of an executed command.
 */
class ProcessRun {
	/**
	 * @var string The full command executed by the system.
	 */
	public $command;

/**
	 * @var string Captured output from the process' STDOUT.
	 */
	public $stdout;

/**
	 * @var string Captured output from the process' STDERR.
	 */
	public $stderr;

/**
	 * @var string|null The path of the working directory for the process or NULL if not specified (defaults to current working directory).
	 */
	public $cwd;

/**
	 * @var array Environment variables set for this process.
	 */
	public $env;

/**
	 * @var int Exit code of the process.
	 */
	public $return_code;

/**
	 * @var float The run time of the process.
	 */
	public $run_time;

/**
	 * @var array $props Properties of executed command.
	 */
	public function __construct( $props ) {
		foreach ( $props as $key => $value ) {
			$this->$key = $value;
		}
	}

/**
	 * Return properties of executed command as a string.
	 *
	 * @return string
	 */
	public function __toString() {
		$out  = "$ $this->command\n";
		$out .= "$this->stdout\n$this->stderr";
		$out .= "cwd: $this->cwd\n";
		$out .= "run time: $this->run_time\n";
		$out .= "exit status: $this->return_code";

return $out;
	}

}
<?php

namespace WP_CLI;

use \Composer\DependencyResolver\Rule;
use \Composer\EventDispatcher\EventSubscriberInterface;
use \Composer\Installer\PackageEvent;
use Composer\Installer\PackageEvents;
use \WP_CLI;

/**
 * A Composer Event subscriber so we can keep track of what's happening inside Composer
 */
class PackageManagerEventSubscriber implements EventSubscriberInterface {

public static function getSubscribedEvents() {

return array(
			PackageEvents::PRE_PACKAGE_INSTALL  => 'pre_install',
			PackageEvents::POST_PACKAGE_INSTALL => 'post_install',
		);
	}

public static function pre_install( PackageEvent $event ) {
		$operation_message = $event->getOperation()->__toString();
		WP_CLI::log( ' - ' . $operation_message );
	}

public static function post_install( PackageEvent $event ) {

$operation = $event->getOperation();
		$reason    = $operation->getReason();
		if ( $reason instanceof Rule ) {

switch ( $reason->getReason() ) {

case Rule::RULE_PACKAGE_CONFLICT:
				case Rule::RULE_PACKAGE_SAME_NAME:
				case Rule::RULE_PACKAGE_REQUIRES:
					$composer_error = $reason->getPrettyString( $event->getPool() );
					break;

}

if ( ! empty( $composer_error ) ) {
				WP_CLI::log( sprintf( ' - Warning: %s', $composer_error ) );
			}
		}

}

}
<?php

namespace WP_CLI\Loggers;

/**
 * Default logger for success, warning, error, and standard messages.
 */
class Regular extends Base {

/**
	 * @param bool $in_color Whether or not to Colorize strings.
	 */
	public function __construct( $in_color ) {
		$this->in_color = $in_color;
	}

/**
	 * Write an informational message to STDOUT.
	 *
	 * @param string $message Message to write.
	 */
	public function info( $message ) {
		$this->write( STDOUT, $message . "\n" );
	}

/**
	 * Write a success message, prefixed with "Success: ".
	 *
	 * @param string $message Message to write.
	 */
	public function success( $message ) {
		$this->_line( $message, 'Success', '%G' );
	}

/**
	 * Write a warning message to STDERR, prefixed with "Warning: ".
	 *
	 * @param string $message Message to write.
	 */
	public function warning( $message ) {
		$this->_line( $message, 'Warning', '%C', STDERR );
	}

/**
	 * Write an message to STDERR, prefixed with "Error: ".
	 *
	 * @param string $message Message to write.
	 */
	public function error( $message ) {
		$this->_line( $message, 'Error', '%R', STDERR );
	}

/**
	 * Similar to error( $message ), but outputs $message in a red box
	 *
	 * @param  array $message Message to write.
	 */
	public function error_multi_line( $message_lines ) {
		// convert tabs to four spaces, as some shells will output the tabs as variable-length
		$message_lines = array_map(
			function( $line ) {
				return str_replace( "\t", '    ', $line );
			},
			$message_lines
		);

$longest = max( array_map( 'strlen', $message_lines ) );

// write an empty line before the message
		$empty_line = \cli\Colors::colorize( '%w%1 ' . str_repeat( ' ', $longest ) . ' %n' );
		$this->write( STDERR, "\n\t$empty_line\n" );

foreach ( $message_lines as $line ) {
			$padding = str_repeat( ' ', $longest - strlen( $line ) );
			$line    = \cli\Colors::colorize( "%w%1 $line $padding%n" );
			$this->write( STDERR, "\t$line\n" );
		}

// write an empty line after the message
		$this->write( STDERR, "\t$empty_line\n\n" );
	}
}
<?php

namespace WP_CLI\Loggers;

/**
 * Quiet logger only logs errors.
 */
class Quiet extends Base {

/**
	 * Informational messages aren't logged.
	 *
	 * @param string $message Message to write.
	 */
	public function info( $message ) {
		// nothing
	}

/**
	 * Success messages aren't logged.
	 *
	 * @param string $message Message to write.
	 */
	public function success( $message ) {
		// nothing
	}

/**
	 * Warning messages aren't logged.
	 *
	 * @param string $message Message to write.
	 */
	public function warning( $message ) {
		// nothing
	}

/**
	 * Write an error message to STDERR, prefixed with "Error: ".
	 *
	 * @param string $message Message to write.
	 */
	public function error( $message ) {
		$this->write( STDERR, \WP_CLI::colorize( "%RError:%n $message\n" ) );
	}

/**
	 * Similar to error( $message ), but outputs $message in a red box
	 *
	 * @param  array $message Message to write.
	 */
	public function error_multi_line( $message_lines ) {
		$message = implode( "\n", $message_lines );

$this->write( STDERR, \WP_CLI::colorize( "%RError:%n\n$message\n" ) );
		$this->write( STDERR, \WP_CLI::colorize( "%R---------%n\n\n" ) );
	}
}
<?php

namespace WP_CLI\Loggers;

/**
 * Base logger class
 */
abstract class Base {

protected $in_color = false;

abstract public function info( $message );

abstract public function success( $message );

abstract public function warning( $message );

/**
	 * Retrieve the runner instance from the base CLI object. This facilitates
	 * unit testing, where the WP_CLI instance isn't available
	 *
	 * @return Runner Instance of the runner class
	 */
	protected function get_runner() {
		return \WP_CLI::get_runner();
	}

/**
	 * Write a message to STDERR, prefixed with "Debug: ".
	 *
	 * @param string $message Message to write.
	 * @param string $group Organize debug message to a specific group.
	 */
	public function debug( $message, $group = false ) {
		static $start_time = null;
		if ( null === $start_time ) {
			$start_time = microtime( true );
		}
		$debug = $this->get_runner()->config['debug'];
		if ( ! $debug ) {
			return;
		}
		if ( true !== $debug && $group !== $debug ) {
			return;
		}
		$time   = round( microtime( true ) - ( defined( 'WP_CLI_START_MICROTIME' ) ? WP_CLI_START_MICROTIME : $start_time ), 3 );
		$prefix = 'Debug';
		if ( $group && true === $debug ) {
			$prefix = 'Debug (' . $group . ')';
		}
		$this->_line( "$message ({$time}s)", $prefix, '%B', STDERR );
	}

/**
	 * Write a string to a resource.
	 *
	 * @param resource $handle Commonly STDOUT or STDERR.
	 * @param string $str Message to write.
	 */
	protected function write( $handle, $str ) {
		fwrite( $handle, $str );
	}

/**
	 * Output one line of message to a resource.
	 *
	 * @param string $message Message to write.
	 * @param string $label Prefix message with a label.
	 * @param string $color Colorize label with a given color.
	 * @param resource $handle Resource to write to. Defaults to STDOUT.
	 */
	protected function _line( $message, $label, $color, $handle = STDOUT ) {
		if ( class_exists( 'cli\Colors' ) ) {
			$label = \cli\Colors::colorize( "$color$label:%n", $this->in_color );
		} else {
			$label = "$label:";
		}
		$this->write( $handle, "$label $message\n" );
	}

}
<?php

namespace WP_CLI\Loggers;

/**
 * Execution logger captures all STDOUT and STDERR writes
 */
class Execution extends Regular {

/**
	 * Captured writes to STDOUT.
	 */
	public $stdout = '';

/**
	 * Captured writes to STDERR.
	 */
	public $stderr = '';

/**
	 * @param bool $in_color Whether or not to Colorize strings.
	 */
	public function __construct( $in_color = false ) {
		parent::__construct( $in_color );
	}

$this->write( STDERR, \WP_CLI::colorize( "%RError:%n\n$message\n" ) );
		$this->write( STDERR, \WP_CLI::colorize( "%R---------%n\n\n" ) );
	}

/**
	 * Write a string to a resource.
	 *
	 * @param resource $handle Commonly STDOUT or STDERR.
	 * @param string $str Message to write.
	 */
	protected function write( $handle, $str ) {
		switch ( $handle ) {
			case STDOUT:
				$this->stdout .= $str;
				break;
			case STDERR:
				$this->stderr .= $str;
				break;
		}
	}

/**
	 * Starts output buffering, using a callback to capture output from `echo`, `print`, `printf` (which write to the output buffer 'php://output' rather than STDOUT).
	 */
	public function ob_start() {
		// To ensure sequential output, give a chunk size of 1 (or 2 if PHP < 5.4 as 1 was a special value meaning a 4KB chunk) to `ob_start()`, so that each write gets flushed immediately.
		ob_start( array( $this, 'ob_start_callback' ), version_compare( PHP_VERSION, '5.4.0', '<' ) ? 2 : 1 );
	}

/**
	 * Callback for `ob_start()`.
	 *
	 * @param string $str String to write.
	 * @return string Returns zero-length string so nothing gets written to the output buffer.
	 */
	public function ob_start_callback( $str ) {
		$this->write( STDOUT, $str );
		return '';
	}

/**
	 * To match `ob_start() above. Does an `ob_end_flush()`.
	 */
	public function ob_end() {
		ob_end_flush();
	}
}
<?php

namespace WP_CLI;

/**
 * A Upgrader Skin for WordPress that only generates plain-text
 *
 * @package wp-cli
 */
class UpgraderSkin extends \WP_Upgrader_Skin {

public $api;

public function header() {}
	public function footer() {}
	public function bulk_header() {}
	public function bulk_footer() {}

public function error( $error ) {
		if ( ! $error ) {
			return;
		}

if ( is_string( $error ) && isset( $this->upgrader->strings[ $error ] ) ) {
			$error = $this->upgrader->strings[ $error ];
		}

// TODO: show all errors, not just the first one
		\WP_CLI::warning( $error );
	}

public function feedback( $string ) {

if ( 'parent_theme_prepare_install' === $string ) {
			\WP_CLI::get_http_cache_manager()->whitelist_package( $this->api->download_link, 'theme', $this->api->slug, $this->api->version );
		}

if ( isset( $this->upgrader->strings[ $string ] ) ) {
			$string = $this->upgrader->strings[ $string ];
		}

if ( strpos( $string, '%' ) !== false ) {
			$args = func_get_args();
			$args = array_splice( $args, 1 );
			if ( ! empty( $args ) ) {
				$string = vsprintf( $string, $args );
			}
		}

if ( empty( $string ) ) {
			return;
		}

$string = str_replace( '&#8230;', '...', strip_tags( $string ) );
		$string = html_entity_decode( $string, ENT_QUOTES, get_bloginfo( 'charset' ) );

\WP_CLI::log( $string );
	}
}

<?php

namespace WP_CLI;

class Completions {

private $words;
	private $opts = array();

public function __construct( $line ) {
		// TODO: properly parse single and double quotes
		$this->words = explode( ' ', $line );

// first word is always `wp`
		array_shift( $this->words );

// last word is either empty or an incomplete subcommand
		$this->cur_word = end( $this->words );
		if ( '' !== $this->cur_word && ! preg_match( '/^\-/', $this->cur_word ) ) {
			array_pop( $this->words );
		}

$is_alias = false;
		$is_help  = false;
		if ( ! empty( $this->words[0] ) && preg_match( '/^@/', $this->words[0] ) ) {
			array_shift( $this->words );
			// `wp @al` is false, but `wp @all ` is true.
			if ( count( $this->words ) ) {
				$is_alias = true;
			}
		} elseif ( ! empty( $this->words[0] ) && 'help' === $this->words[0] ) {
			array_shift( $this->words );
			$is_help = true;
		}

$r = $this->get_command( $this->words );
		if ( ! is_array( $r ) ) {
			return;
		}

list( $command, $args, $assoc_args ) = $r;

$spec = SynopsisParser::parse( $command->get_synopsis() );

foreach ( $spec as $arg ) {
			if ( 'positional' === $arg['type'] && 'file' === $arg['name'] ) {
				$this->add( '<file> ' );
				return;
			}
		}

if ( $command->can_have_subcommands() ) {
			// add completion when command is `wp` and alias isn't set.
			if ( 'wp' === $command->get_name() && false === $is_alias && false === $is_help ) {
				$aliases = \WP_CLI::get_configurator()->get_aliases();
				foreach ( $aliases as $name => $_ ) {
					$this->add( "$name " );
				}
			}
			foreach ( $command->get_subcommands() as $name => $_ ) {
				$this->add( "$name " );
			}
		} else {
			foreach ( $spec as $arg ) {
				if ( in_array( $arg['type'], array( 'flag', 'assoc' ), true ) ) {
					if ( isset( $assoc_args[ $arg['name'] ] ) ) {
						continue;
					}

$opt = "--{$arg['name']}";

if ( 'flag' === $arg['type'] ) {
						$opt .= ' ';
					} elseif ( ! $arg['value']['optional'] ) {
						$opt .= '=';
					}

$this->add( $opt );
				}
			}

foreach ( $this->get_global_parameters() as $param => $runtime ) {
				if ( isset( $assoc_args[ $param ] ) ) {
					continue;
				}

$opt = "--{$param}";

if ( '' === $runtime || ! is_string( $runtime ) ) {
					$opt .= ' ';
				} else {
					$opt .= '=';
				}

$this->add( $opt );
			}
		}

}

private function get_command( $words ) {
		$positional_args = array();
		$assoc_args      = array();

foreach ( $words as $arg ) {
			if ( preg_match( '|^--([^=]+)=?|', $arg, $matches ) ) {
				$assoc_args[ $matches[1] ] = true;
			} else {
				$positional_args[] = $arg;
			}
		}

$r = \WP_CLI::get_runner()->find_command_to_run( $positional_args );
		if ( ! is_array( $r ) && array_pop( $positional_args ) === $this->cur_word ) {
			$r = \WP_CLI::get_runner()->find_command_to_run( $positional_args );
		}

if ( ! is_array( $r ) ) {
			return $r;
		}

list( $command, $args ) = $r;

return array( $command, $args, $assoc_args );
	}

private function get_global_parameters() {
		$params = array();
		foreach ( \WP_CLI::get_configurator()->get_spec() as $key => $details ) {
			if ( false === $details['runtime'] ) {
				continue;
			}

if ( isset( $details['deprecated'] ) ) {
				continue;
			}

if ( isset( $details['hidden'] ) ) {
				continue;
			}
			$params[ $key ] = $details['runtime'];

// Add additional option like `--[no-]color`.
			if ( true === $details['runtime'] ) {
				$params[ 'no-' . $key ] = '';
			}
		}

return $params;
	}

private function add( $opt ) {
		if ( '' !== $this->cur_word ) {
			if ( 0 !== strpos( $opt, $this->cur_word ) ) {
				return;
			}
		}

$this->opts[] = $opt;
	}

public function render() {
		foreach ( $this->opts as $opt ) {
			\WP_CLI::line( $opt );
		}
	}
}
<?php

namespace WP_CLI;

/**
 * Class Autoloader.
 *
 * This is a custom autoloader to replace the functionality that we would
 * normally get through the autoloader generated by Composer.
 *
 * We need this separate autoloader for the bootstrapping process, which happens
 * before the Composer autoloader(s) could be loaded.
 *
 * @package WP_CLI
 */
class Autoloader {

/**
	 * Array containing the registered namespace structures
	 *
	 * @var array
	 */
	protected $namespaces = array();

/**
	 * Destructor for the Autoloader class.
	 *
	 * The destructor automatically unregisters the autoload callback function
	 * with the SPL autoload system.
	 */
	public function __destruct() {
		$this->unregister();
	}

/**
	 * Registers the autoload callback with the SPL autoload system.
	 */
	public function register() {
		spl_autoload_register( array( $this, 'autoload' ) );
	}

/**
	 * Unregisters the autoload callback with the SPL autoload system.
	 */
	public function unregister() {
		spl_autoload_unregister( array( $this, 'autoload' ) );
	}

/**
	 * Add a specific namespace structure with our custom autoloader.
	 *
	 * @param string  $root        Root namespace name.
	 * @param string  $base_dir    Directory containing the class files.
	 * @param string  $prefix      Prefix to be added before the class.
	 * @param string  $suffix      Suffix to be added after the class.
	 * @param boolean $lowercase   Whether the class should be changed to
	 *                             lowercase.
	 * @param boolean $underscores Whether the underscores should be changed to
	 *                             hyphens.
	 *
	 * @return self
	 */
	public function add_namespace(
		$root,
		$base_dir,
		$prefix = '',
		$suffix = '.php',
		$lowercase = false,
		$underscores = false
	) {
		$this->namespaces[] = array(
			'root'        => $this->normalize_root( (string) $root ),
			'base_dir'    => $this->add_trailing_slash( (string) $base_dir ),
			'prefix'      => (string) $prefix,
			'suffix'      => (string) $suffix,
			'lowercase'   => (bool) $lowercase,
			'underscores' => (bool) $underscores,
		);

return $this;
	}

/**
	 * The autoload function that gets registered with the SPL Autoloader
	 * system.
	 *
	 * @param string $class The class that got requested by the spl_autoloader.
	 */
	public function autoload( $class ) {

// Iterate over namespaces to find a match.
		foreach ( $this->namespaces as $namespace ) {

// Move on if the object does not belong to the current namespace.
			if ( 0 !== strpos( $class, $namespace['root'] ) ) {
				continue;
			}

// Remove namespace root level to correspond with root filesystem, and
			// replace the namespace separator "\" by the system-dependent directory separator.
			$filename = str_replace(
				array( $namespace['root'], '\\' ),
				array( '', DIRECTORY_SEPARATOR ),
				$class
			);

// Remove a leading backslash from the class name.
			$filename = $this->remove_leading_backslash( $filename );

// Change to lower case if requested.
			if ( $namespace['lowercase'] ) {
				$filename = strtolower( $filename );
			}

// Change underscores into hyphens if requested.
			if ( $namespace['underscores'] ) {
				$filename = str_replace( '_', '-', $filename );
			}

// Add base_dir, prefix and suffix.
			$filepath = $namespace['base_dir']
				. $namespace['prefix']
				. $filename
				. $namespace['suffix'];

// Throw an exception if the file does not exist or is not readable.
			if ( is_readable( $filepath ) ) {
				require_once $filepath;
			}
		}
	}

/**
	 * Normalize a namespace root.
	 *
	 * @param string $root Namespace root that needs to be normalized.
	 *
	 * @return string Normalized namespace root.
	 */
	protected function normalize_root( $root ) {
		$root = $this->remove_leading_backslash( $root );

return $this->add_trailing_backslash( $root );
	}

/**
	 * Remove a leading backslash from a string.
	 *
	 * @param string $string String to remove the leading backslash from.
	 *
	 * @return string Modified string.
	 */
	protected function remove_leading_backslash( $string ) {
		return ltrim( $string, '\\' );
	}

/**
	 * Make sure a string ends with a trailing backslash.
	 *
	 * @param string $string String to check the trailing backslash of.
	 *
	 * @return string Modified string.
	 */
	protected function add_trailing_backslash( $string ) {
		return rtrim( $string, '\\' ) . '\\';
	}

/**
	 * Make sure a string ends with a trailing slash.
	 *
	 * @param string $string String to check the trailing slash of.
	 *
	 * @return string Modified string.
	 */
	protected function add_trailing_slash( $string ) {
		return rtrim( $string, '/\\' ) . '/';
	}
}
<?php

namespace WP_CLI\Dispatcher;

use WP_CLI;

/**
 * Controls whether adding of a command should be completed or not.
 *
 * This is needed because we can't reliably pass scalar values by reference
 * through the hooks mechanism. An object is always passed by reference.
 *
 * @package WP_CLI
 */
final class CommandAddition {

/**
	 * Whether the command addition was aborted or not.
	 *
	 * @var bool
	 */
	private $abort = false;

/**
	 * Reason for which the addition was aborted.
	 *
	 * @var string
	 */
	private $reason = '';

/**
	 * Abort the current command addition.
	 *
	 * @param string $reason Reason as to why the addition was aborted.
	 */
	public function abort( $reason = '' ) {
		$this->abort  = true;
		$this->reason = (string) $reason;
	}

/**
	 * Check whether the command addition was aborted.
	 *
	 * @return bool
	 */
	public function was_aborted() {
		return $this->abort;
	}

/**
	 * Get the reason as to why the addition was aborted.
	 *
	 * @return string
	 */
	public function get_reason() {
		return $this->reason;
	}
}
<?php

namespace WP_CLI\Dispatcher;

use WP_CLI;

/**
 * Adds a command namespace without actual functionality.
 *
 * This is meant to provide the means to attach meta information to a namespace
 * when there's no actual command needed.
 *
 * In case a real command gets registered for the same name, it replaces the
 * command namespace.
 *
 * @package WP_CLI
 */
class CommandNamespace extends CompositeCommand {

/**
	 * Show the usage for all subcommands contained
	 * by the composite command.
	 */
	public function show_usage() {
		$methods = $this->get_subcommands();

$i     = 0;
		$count = 0;

foreach ( $methods as $name => $subcommand ) {
			$prefix = ( 0 === $i ) ? 'usage: ' : '   or: ';
			$i++;

if ( \WP_CLI::get_runner()->is_command_disabled( $subcommand ) ) {
				continue;
			}

\WP_CLI::line( $subcommand->get_usage( $prefix ) );
			$count++;
		}

$cmd_name = implode( ' ', array_slice( get_path( $this ), 1 ) );
		$message  = $count > 0
			? "See 'wp help $cmd_name <command>' for more information on a specific command."
			: "The namespace $cmd_name does not contain any usable commands in the current context.";

\WP_CLI::line();
		\WP_CLI::line( $message );

}
}
<?php

namespace WP_CLI\Dispatcher;

use \WP_CLI\Utils;

/**
 * A non-leaf node in the command tree.
 * Contains one or more Subcommands.
 *
 * @package WP_CLI
 */
class CompositeCommand {

protected $name, $shortdesc, $synopsis, $docparser;

protected $parent, $subcommands = array();

/**
	 * Instantiate a new CompositeCommand
	 *
	 * @param mixed $parent Parent command (either Root or Composite)
	 * @param string $name Represents how command should be invoked
	 * @param \WP_CLI\DocParser
	 */
	public function __construct( $parent, $name, $docparser ) {
		$this->parent = $parent;

$this->name = $name;

$this->shortdesc = $docparser->get_shortdesc();
		$this->longdesc  = $docparser->get_longdesc();
		$this->docparser = $docparser;

$when_to_invoke = $docparser->get_tag( 'when' );
		if ( $when_to_invoke ) {
			\WP_CLI::get_runner()->register_early_invoke( $when_to_invoke, $this );
		}
	}

/**
	 * Get the parent composite (or root) command
	 *
	 * @return mixed
	 */
	public function get_parent() {
		return $this->parent;
	}

/**
	 * Add a named subcommand to this composite command's
	 * set of contained subcommands.
	 *
	 * @param string $name Represents how subcommand should be invoked
	 * @param \WP_CLI\Dispatcher\Subcommand
	 */
	public function add_subcommand( $name, $command ) {
		$this->subcommands[ $name ] = $command;
	}

/**
	 * Remove a named subcommand from this composite command's set of contained
	 * subcommands
	 *
	 * @param string $name Represents how subcommand should be invoked
	 */
	public function remove_subcommand( $name ) {
		if ( isset( $this->subcommands[ $name ] ) ) {
			unset( $this->subcommands[ $name ] );
		}
	}

/**
	 * Composite commands always contain subcommands.
	 *
	 * @return true
	 */
	public function can_have_subcommands() {
		return true;
	}

/**
	 * Get the subcommands contained by this composite
	 * command.
	 *
	 * @return array
	 */
	public function get_subcommands() {
		ksort( $this->subcommands );

return $this->subcommands;
	}

/**
	 * Get the name of this composite command.
	 *
	 * @return string
	 */
	public function get_name() {
		return $this->name;
	}

/**
	 * Get the short description for this composite
	 * command.
	 *
	 * @return string
	 */
	public function get_shortdesc() {
		return $this->shortdesc;
	}

/**
	 * Set the short description for this composite command.
	 *
	 * @param string
	 */
	public function set_shortdesc( $shortdesc ) {
		$this->shortdesc = Utils\normalize_eols( $shortdesc );
	}

/**
	 * Get the long description for this composite
	 * command.
	 *
	 * @return string
	 */
	public function get_longdesc() {
		return $this->longdesc . $this->get_global_params();
	}

/**
	 * Set the long description for this composite command
	 *
	 * @param string
	 */
	public function set_longdesc( $longdesc ) {
		$this->longdesc = Utils\normalize_eols( $longdesc );
	}

/**
	 * Get the synopsis for this composite command.
	 * As a collection of subcommands, the composite
	 * command is only intended to invoke those
	 * subcommands.
	 *
	 * @return string
	 */
	public function get_synopsis() {
		return '<command>';
	}

/**
	 * Get the usage for this composite command.
	 *
	 * @return string
	 */
	public function get_usage( $prefix ) {
		return sprintf(
			'%s%s %s',
			$prefix,
			implode( ' ', get_path( $this ) ),
			$this->get_synopsis()
		);
	}

/**
	 * Show the usage for all subcommands contained
	 * by the composite command.
	 */
	public function show_usage() {
		$methods = $this->get_subcommands();

$i = 0;

foreach ( $methods as $name => $subcommand ) {
			$prefix = ( 0 === $i ) ? 'usage: ' : '   or: ';
			$i++;

if ( \WP_CLI::get_runner()->is_command_disabled( $subcommand ) ) {
				continue;
			}

\WP_CLI::line( $subcommand->get_usage( $prefix ) );
		}

$cmd_name = implode( ' ', array_slice( get_path( $this ), 1 ) );

\WP_CLI::line();
		\WP_CLI::line( "See 'wp help $cmd_name <command>' for more information on a specific command." );
	}

/**
	 * When a composite command is invoked, it shows usage
	 * docs for its subcommands.
	 *
	 * @param array $args
	 * @param array $assoc_args
	 * @param array $extra_args
	 */
	public function invoke( $args, $assoc_args, $extra_args ) {
		$this->show_usage();
	}

/**
	 * Given supplied arguments, find a contained
	 * subcommand
	 *
	 * @param array $args
	 * @return \WP_CLI\Dispatcher\Subcommand|false
	 */
	public function find_subcommand( &$args ) {
		$name = array_shift( $args );

$subcommands = $this->get_subcommands();

if ( ! isset( $subcommands[ $name ] ) ) {
			$aliases = self::get_aliases( $subcommands );

if ( isset( $aliases[ $name ] ) ) {
				$name = $aliases[ $name ];
			}
		}

if ( ! isset( $subcommands[ $name ] ) ) {
			return false;
		}

return $subcommands[ $name ];
	}

/**
	 * Get any registered aliases for this composite command's
	 * subcommands.
	 *
	 * @param array $subcommands
	 * @return array
	 */
	private static function get_aliases( $subcommands ) {
		$aliases = array();

foreach ( $subcommands as $name => $subcommand ) {
			$alias = $subcommand->get_alias();
			if ( $alias ) {
				$aliases[ $alias ] = $name;
			}
		}

return $aliases;
	}

/**
	 * Composite commands can only be known by one name.
	 *
	 * @return false
	 */
	public function get_alias() {
		return false;
	}

/***
	 * Get the list of global parameters
	 *
	 * @param string $root_command whether to include or not root command specific description
	 * @return string
	 */
	protected function get_global_params( $root_command = false ) {
		$binding                 = array();
		$binding['root_command'] = $root_command;

if ( ! $this->can_have_subcommands() || ( is_object( $this->parent ) && get_class( $this->parent ) === 'WP_CLI\Dispatcher\CompositeCommand' ) ) {
			$binding['is_subcommand'] = true;
		}

foreach ( \WP_CLI::get_configurator()->get_spec() as $key => $details ) {
			if ( false === $details['runtime'] ) {
				continue;
			}

if ( isset( $details['deprecated'] ) ) {
				continue;
			}

if ( isset( $details['hidden'] ) ) {
				continue;
			}

if ( true === $details['runtime'] ) {
				$synopsis = "--[no-]$key";
			} else {
				$synopsis = "--$key" . $details['runtime'];
			}

$binding['parameters'][] = array(
				'synopsis' => $synopsis,
				'desc'     => $details['desc'],
			);
		}

if ( $this->get_subcommands() ) {
			$binding['has_subcommands'] = true;
		}

return Utils\mustache_render( 'man-params.mustache', $binding );
	}
}
<?php

namespace WP_CLI\Dispatcher;

/**
 * Creates CompositeCommand or Subcommand instances.
 *
 * @package WP_CLI
 */
class CommandFactory {

// Cache of file contents, indexed by filename. Only used if opcache.save_comments is disabled.
	private static $file_contents = array();

/**
	 * Create a new CompositeCommand (or Subcommand if class has __invoke())
	 *
	 * @param string $name Represents how the command should be invoked
	 * @param string $callable A subclass of WP_CLI_Command, a function, or a closure
	 * @param mixed $parent The new command's parent Composite (or Root) command
	 */
	public static function create( $name, $callable, $parent ) {

if ( ( is_object( $callable ) && ( $callable instanceof \Closure ) )
			|| ( is_string( $callable ) && function_exists( $callable ) ) ) {
			$reflection = new \ReflectionFunction( $callable );
			$command    = self::create_subcommand( $parent, $name, $callable, $reflection );
		} elseif ( is_array( $callable ) && is_callable( $callable ) ) {
			$reflection = new \ReflectionClass( $callable[0] );
			$command    = self::create_subcommand(
				$parent,
				$name,
				array( $callable[0], $callable[1] ),
				$reflection->getMethod( $callable[1] )
			);
		} else {
			$reflection = new \ReflectionClass( $callable );
			if ( $reflection->isSubclassOf( '\WP_CLI\Dispatcher\CommandNamespace' ) ) {
				$command = self::create_namespace( $parent, $name, $callable );
			} elseif ( $reflection->hasMethod( '__invoke' ) ) {
				$class   = is_object( $callable ) ? $callable : $reflection->name;
				$command = self::create_subcommand(
					$parent,
					$name,
					array( $class, '__invoke' ),
					$reflection->getMethod( '__invoke' )
				);
			} else {
				$command = self::create_composite_command( $parent, $name, $callable );
			}
		}

return $command;
	}

/**
	 * Clear the file contents cache.
	 */
	public static function clear_file_contents_cache() {
		self::$file_contents = array();
	}

/**
	 * Create a new Subcommand instance.
	 *
	 * @param mixed $parent The new command's parent Composite command
	 * @param string $name Represents how the command should be invoked
	 * @param mixed $callable A callable function or closure, or class name and method
	 * @param object $reflection Reflection instance, for doc parsing
	 * @param string $class A subclass of WP_CLI_Command
	 * @param string $method Class method to be called upon invocation.
	 */
	private static function create_subcommand( $parent, $name, $callable, $reflection ) {
		$doc_comment = self::get_doc_comment( $reflection );
		$docparser   = new \WP_CLI\DocParser( $doc_comment );

if ( is_array( $callable ) ) {
			if ( ! $name ) {
				$name = $docparser->get_tag( 'subcommand' );
			}

if ( ! $name ) {
				$name = $reflection->name;
			}
		}
		if ( ! $doc_comment ) {
			\WP_CLI::debug( null === $doc_comment ? "Failed to get doc comment for {$name}." : "No doc comment for {$name}.", 'commandfactory' );
		}

$when_invoked = function ( $args, $assoc_args ) use ( $callable ) {
			if ( is_array( $callable ) ) {
				$callable[0] = is_object( $callable[0] ) ? $callable[0] : new $callable[0]();
				call_user_func( array( $callable[0], $callable[1] ), $args, $assoc_args );
			} else {
				call_user_func( $callable, $args, $assoc_args );
			}
		};

return new Subcommand( $parent, $name, $docparser, $when_invoked );
	}

/**
	 * Create a new Composite command instance.
	 *
	 * @param mixed $parent The new command's parent Root or Composite command
	 * @param string $name Represents how the command should be invoked
	 * @param mixed $callable
	 */
	private static function create_composite_command( $parent, $name, $callable ) {
		$reflection  = new \ReflectionClass( $callable );
		$doc_comment = self::get_doc_comment( $reflection );
		if ( ! $doc_comment ) {
			\WP_CLI::debug( null === $doc_comment ? "Failed to get doc comment for {$name}." : "No doc comment for {$name}.", 'commandfactory' );
		}
		$docparser = new \WP_CLI\DocParser( $doc_comment );

$container = new CompositeCommand( $parent, $name, $docparser );

foreach ( $reflection->getMethods() as $method ) {
			if ( ! self::is_good_method( $method ) ) {
				continue;
			}

$class      = is_object( $callable ) ? $callable : $reflection->name;
			$subcommand = self::create_subcommand( $container, false, array( $class, $method->name ), $method );

$subcommand_name = $subcommand->get_name();

$container->add_subcommand( $subcommand_name, $subcommand );
		}

return $container;
	}

/**
	 * Create a new command namespace instance.
	 *
	 * @param mixed $parent The new namespace's parent Root or Composite command.
	 * @param string $name Represents how the command should be invoked
	 * @param mixed $callable
	 */
	private static function create_namespace( $parent, $name, $callable ) {
		$reflection  = new \ReflectionClass( $callable );
		$doc_comment = self::get_doc_comment( $reflection );
		if ( ! $doc_comment ) {
			\WP_CLI::debug( null === $doc_comment ? "Failed to get doc comment for {$name}." : "No doc comment for {$name}.", 'commandfactory' );
		}
		$docparser = new \WP_CLI\DocParser( $doc_comment );

return new CommandNamespace( $parent, $name, $docparser );
	}

/**
	 * Check whether a method is actually callable.
	 *
	 * @param ReflectionMethod $method
	 * @return bool
	 */
	private static function is_good_method( $method ) {
		return $method->isPublic() && ! $method->isStatic() && 0 !== strpos( $method->getName(), '__' );
	}

/**
	 * Gets the document comment. Caters for PHP directive `opcache.save comments` being disabled.
	 *
	 * @param ReflectionMethod|ReflectionClass|ReflectionFunction $reflection Reflection instance.
	 * @return string|false|null Doc comment string if any, false if none (same as `Reflection*::getDocComment()`), null if error.
	 */
	private static function get_doc_comment( $reflection ) {
		$doc_comment = $reflection->getDocComment();

if ( false !== $doc_comment || ! ( ini_get( 'opcache.enable_cli' ) && ! ini_get( 'opcache.save_comments' ) ) ) {
			// Either have doc comment, or no doc comment and save comments enabled - standard situation.
			if ( ! getenv( 'WP_CLI_TEST_GET_DOC_COMMENT' ) ) {
				return $doc_comment;
			}
		}

$filename = $reflection->getFileName();

if ( isset( self::$file_contents[ $filename ] ) ) {
			$contents = self::$file_contents[ $filename ];
		} elseif ( is_readable( $filename ) ) {
			$contents = file_get_contents( $filename );
			if ( is_string( $contents ) && '' !== $contents ) {
				$contents                         = explode( "\n", $contents );
				self::$file_contents[ $filename ] = $contents;
			}
		}

if ( ! empty( $contents ) ) {
			return self::extract_last_doc_comment( implode( "\n", array_slice( $contents, 0, $reflection->getStartLine() ) ) );
		}

\WP_CLI::debug( "Could not read contents for filename '{$filename}'.", 'commandfactory' );
		return null;
	}

/**
	 * Returns the last doc comment if any in `$content`.
	 *
	 * @param string $content The content, which should end at the class or function declaration.
	 * @return string|bool The last doc comment if any, or false if none.
	 */
	private static function extract_last_doc_comment( $content ) {
		$content         = trim( $content );
		$comment_end_pos = strrpos( $content, '*/' );
		if ( false === $comment_end_pos ) {
			return false;
		}
		// Make sure comment end belongs to this class/function.
		if ( preg_match_all( '/(?:^|[\s;}])(?:class|function)\s+/', substr( $content, $comment_end_pos + 2 ), $dummy /*needed for PHP 5.3*/ ) > 1 ) {
			return false;
		}
		$content           = substr( $content, 0, $comment_end_pos + 2 );
		$comment_start_pos = strrpos( $content, '/**' );
		if ( false === $comment_start_pos || ( $comment_start_pos + 2 ) === $comment_end_pos ) {
			return false;
		}
		// Make sure comment start belongs to this comment end.
		$comment_end2_pos = strpos( substr( $content, $comment_start_pos ), '*/' );
		if ( false !== $comment_end2_pos && ( $comment_start_pos + $comment_end2_pos ) < $comment_end_pos ) {
			return false;
		}
		// Allow for '/**' within doc comment.
		$subcontent = substr( $content, 0, $comment_start_pos );
		while ( false !== ( $comment_start2_pos = strrpos( $subcontent, '/**' ) ) && false === strpos( $subcontent, '*/', $comment_start2_pos ) ) {
			$comment_start_pos = $comment_start2_pos;
			$subcontent        = substr( $subcontent, 0, $comment_start_pos );
		}
		return substr( $content, $comment_start_pos, $comment_end_pos + 2 );
	}
}
<?php

namespace WP_CLI\Dispatcher;

use \WP_CLI\Utils;

/**
 * The root node in the command tree.
 *
 * @package WP_CLI
 */
class RootCommand extends CompositeCommand {

public function __construct() {
		$this->parent = false;

$this->name = 'wp';

$this->shortdesc = 'Manage WordPress through the command-line.';
	}

/**
	 * Get the human-readable long description.
	 *
	 * @return string
	 */
	public function get_longdesc() {
		return $this->get_global_params( true );
	}

/**
	 * Find a subcommand registered on the root
	 * command.
	 *
	 * @param array $args
	 * @return \WP_CLI\Dispatcher\Subcommand|false
	 */
	public function find_subcommand( &$args ) {
		$command = array_shift( $args );

Utils\load_command( $command );

if ( ! isset( $this->subcommands[ $command ] ) ) {
			return false;
		}

return $this->subcommands[ $command ];
	}
}
<?php

namespace WP_CLI\Dispatcher;

use WP_CLI;
use WP_CLI\Utils;

/**
 * A leaf node in the command tree.
 *
 * @package WP_CLI
 */
class Subcommand extends CompositeCommand {

private $alias;

private $when_invoked;

public function __construct( $parent, $name, $docparser, $when_invoked ) {
		parent::__construct( $parent, $name, $docparser );

$this->when_invoked = $when_invoked;

$this->alias = $docparser->get_tag( 'alias' );

$this->synopsis = $docparser->get_synopsis();
		if ( ! $this->synopsis && $this->longdesc ) {
			$this->synopsis = self::extract_synopsis( $this->longdesc );
		}
	}

/**
	 * Extract the synopsis from PHPdoc string.
	 *
	 * @param string $longdesc Command docs via PHPdoc
	 * @return string
	 */
	private static function extract_synopsis( $longdesc ) {
		preg_match_all( '/(.+?)[\r\n]+:/', $longdesc, $matches );
		return implode( ' ', $matches[1] );
	}

/**
	 * Subcommands can't have subcommands because they
	 * represent code to be executed.
	 *
	 * @return bool
	 */
	public function can_have_subcommands() {
		return false;
	}

/**
	 * Get the synopsis string for this subcommand.
	 * A synopsis defines what runtime arguments are
	 * expected, useful to humans and argument validation.
	 *
	 * @return string
	 */
	public function get_synopsis() {
		return $this->synopsis;
	}

/**
	 * Set the synopsis string for this subcommand.
	 *
	 * @param string
	 */
	public function set_synopsis( $synopsis ) {
		$this->synopsis = $synopsis;
	}

/**
	 * If an alias is set, grant access to it.
	 * Aliases permit subcommands to be instantiated
	 * with a secondary identity.
	 *
	 * @return string
	 */
	public function get_alias() {
		return $this->alias;
	}

/**
	 * Print the usage details to the end user.
	 *
	 * @param string $prefix
	 */
	public function show_usage( $prefix = 'usage: ' ) {
		\WP_CLI::line( $this->get_usage( $prefix ) );
	}

/**
	 * Get the usage of the subcommand as a formatted string.
	 *
	 * @param string $prefix
	 * @return string
	 */
	public function get_usage( $prefix ) {
		return sprintf(
			'%s%s %s',
			$prefix,
			implode( ' ', get_path( $this ) ),
			$this->get_synopsis()
		);
	}

/**
	 * Wrapper for CLI Tools' prompt() method.
	 *
	 * @param string $question
	 * @param string $default
	 * @return string|false
	 */
	private function prompt( $question, $default ) {

$question .= ': ';
		if ( function_exists( 'readline' ) ) {
			return readline( $question );
		}

echo $question;

$ret = stream_get_line( STDIN, 1024, "\n" );
		if ( Utils\is_windows() && "\r" === substr( $ret, -1 ) ) {
			$ret = substr( $ret, 0, -1 );
		}
		return $ret;
	}

/**
	 * Interactively prompt the user for input
	 * based on defined synopsis and passed arguments.
	 *
	 * @param array $args
	 * @param array $assoc_args
	 * @return array
	 */
	private function prompt_args( $args, $assoc_args ) {

$synopsis = $this->get_synopsis();

if ( ! $synopsis ) {
			return array( $args, $assoc_args );
		}

// To skip the already provided positional arguments, we need to count
		// how many we had already received.
		$arg_index = 0;

$spec = array_filter(
			\WP_CLI\SynopsisParser::parse( $synopsis ),
			function( $spec_arg ) use ( $args, $assoc_args, &$arg_index ) {
				switch ( $spec_arg['type'] ) {
					case 'positional':
						// Only prompt for the positional arguments that are not
						// yet provided, based purely on number.
						return $arg_index++ >= count( $args );
						break;
					case 'generic':
						// Always prompt for generic arguments.
						return true;
					case 'assoc':
					case 'flag':
					default:
						// Prompt for the specific flags that were not provided
						// yet, based on name.
						return ! isset( $assoc_args[ $spec_arg['name'] ] );
				}
			}
		);

$spec = array_values( $spec );

$prompt_args = WP_CLI::get_config( 'prompt' );
		if ( true !== $prompt_args ) {
			$prompt_args = explode( ',', $prompt_args );
		}

// 'positional' arguments are positional (aka zero-indexed)
		// so $args needs to be reset before prompting for new arguments
		$args = array();

foreach ( $spec as $key => $spec_arg ) {

// When prompting for specific arguments (e.g. --prompt=user_pass),
			// ignore all arguments that don't match.
			if ( is_array( $prompt_args ) ) {
				if ( 'assoc' !== $spec_arg['type'] ) {
					continue;
				}
				if ( ! in_array( $spec_arg['name'], $prompt_args, true ) ) {
					continue;
				}
			}

$current_prompt = ( $key + 1 ) . '/' . count( $spec ) . ' ';
			$default        = $spec_arg['optional'] ? '' : false;

// 'generic' permits arbitrary key=value (e.g. [--<field>=<value>] )
			if ( 'generic' === $spec_arg['type'] ) {

list( $key_token, $value_token ) = explode( '=', $spec_arg['token'] );

$repeat = false;
				do {
					if ( ! $repeat ) {
						$key_prompt = $current_prompt . $key_token;
					} else {
						$key_prompt = str_repeat( ' ', strlen( $current_prompt ) ) . $key_token;
					}

$key = $this->prompt( $key_prompt, $default );
					if ( false === $key ) {
						return array( $args, $assoc_args );
					}

if ( $key ) {
						$key_prompt_count = strlen( $key_prompt ) - strlen( $value_token ) - 1;
						$value_prompt     = str_repeat( ' ', $key_prompt_count ) . '=' . $value_token;

$value = $this->prompt( $value_prompt, $default );
						if ( false === $value ) {
							return array( $args, $assoc_args );
						}

$assoc_args[ $key ] = $value;

$repeat = true;
					} else {
						$repeat = false;
					}
				} while ( $repeat );

} else {
				$prompt = $current_prompt . $spec_arg['token'];
				if ( 'flag' === $spec_arg['type'] ) {
					$prompt .= ' (Y/n)';
				}

$response = $this->prompt( $prompt, $default );
				if ( false === $response ) {
					return array( $args, $assoc_args );
				}

if ( $response ) {
					switch ( $spec_arg['type'] ) {
						case 'positional':
							if ( $spec_arg['repeating'] ) {
								$response = explode( ' ', $response );
							} else {
								$response = array( $response );
							}
							$args = array_merge( $args, $response );
							break;
						case 'assoc':
							$assoc_args[ $spec_arg['name'] ] = $response;
							break;
						case 'flag':
							if ( 'Y' === strtoupper( $response ) ) {
								$assoc_args[ $spec_arg['name'] ] = true;
							}
							break;
					}
				}
			}
		}

return array( $args, $assoc_args );
	}

/**
	 * Validate the supplied arguments to the command.
	 * Throws warnings or errors if arguments are missing
	 * or invalid.
	 *
	 * @param array $args
	 * @param array $assoc_args
	 * @param array $extra_args
	 * @return array list of invalid $assoc_args keys to unset
	 */
	private function validate_args( $args, $assoc_args, $extra_args ) {
		$synopsis = $this->get_synopsis();
		if ( ! $synopsis ) {
			return array( array(), $args, $assoc_args, $extra_args );
		}

$validator = new \WP_CLI\SynopsisValidator( $synopsis );

$cmd_path = implode( ' ', get_path( $this ) );
		foreach ( $validator->get_unknown() as $token ) {
			\WP_CLI::warning(
				sprintf(
					'The `%s` command has an invalid synopsis part: %s',
					$cmd_path,
					$token
				)
			);
		}

if ( ! $validator->enough_positionals( $args ) ) {
			$this->show_usage();
			exit( 1 );
		}

$unknown_positionals = $validator->unknown_positionals( $args );
		if ( ! empty( $unknown_positionals ) ) {
			\WP_CLI::error(
				'Too many positional arguments: ' .
				implode( ' ', $unknown_positionals )
			);
		}

$synopsis_spec = \WP_CLI\SynopsisParser::parse( $synopsis );
		$i             = 0;
		$errors        = array(
			'fatal'   => array(),
			'warning' => array(),
		);
		$mock_doc      = array( $this->get_shortdesc(), '' );
		$mock_doc      = array_merge( $mock_doc, explode( "\n", $this->get_longdesc() ) );
		$mock_doc      = '/**' . PHP_EOL . '* ' . implode( PHP_EOL . '* ', $mock_doc ) . PHP_EOL . '*/';
		$docparser     = new \WP_CLI\DocParser( $mock_doc );
		foreach ( $synopsis_spec as $spec ) {
			if ( 'positional' === $spec['type'] ) {
				$spec_args = $docparser->get_arg_args( $spec['name'] );
				if ( ! isset( $args[ $i ] ) ) {
					if ( isset( $spec_args['default'] ) ) {
						$args[ $i ] = $spec_args['default'];
					}
				}
				if ( isset( $spec_args['options'] ) ) {
					if ( ! empty( $spec['repeating'] ) ) {
						do {
							if ( isset( $args[ $i ] ) && ! in_array( $args[ $i ], $spec_args['options'] ) ) {
								\WP_CLI::error( 'Invalid value specified for positional arg.' );
							}
							$i++;
						} while ( isset( $args[ $i ] ) );
					} else {
						if ( isset( $args[ $i ] ) && ! in_array( $args[ $i ], $spec_args['options'] ) ) {
							\WP_CLI::error( 'Invalid value specified for positional arg.' );
						}
					}
				}
				$i++;
			} elseif ( 'assoc' === $spec['type'] ) {
				$spec_args = $docparser->get_param_args( $spec['name'] );
				if ( ! isset( $assoc_args[ $spec['name'] ] ) && ! isset( $extra_args[ $spec['name'] ] ) ) {
					if ( isset( $spec_args['default'] ) ) {
						$assoc_args[ $spec['name'] ] = $spec_args['default'];
					}
				}
				if ( isset( $assoc_args[ $spec['name'] ] ) && isset( $spec_args['options'] ) ) {
					if ( ! in_array( $assoc_args[ $spec['name'] ], $spec_args['options'] ) ) {
						$errors['fatal'][ $spec['name'] ] = "Invalid value specified for '{$spec['name']}'";
					}
				}
			}
		}

list( $returned_errors, $to_unset ) = $validator->validate_assoc(
			array_merge( \WP_CLI::get_config(), $extra_args, $assoc_args )
		);
		foreach ( array( 'fatal', 'warning' ) as $error_type ) {
			$errors[ $error_type ] = array_merge( $errors[ $error_type ], $returned_errors[ $error_type ] );
		}

if ( 'help' !== $this->name ) {
			foreach ( $validator->unknown_assoc( $assoc_args ) as $key ) {
				$suggestion    = Utils\get_suggestion(
					$key,
					$this->get_parameters( $synopsis_spec ),
					$threshold = 2
				);

$errors['fatal'][] = sprintf(
					'unknown --%s parameter%s',
					$key,
					! empty( $suggestion ) ? PHP_EOL . "Did you mean '--{$suggestion}'?" : ''
				);
			}
		}

if ( ! empty( $errors['fatal'] ) ) {
			$out = 'Parameter errors:';
			foreach ( $errors['fatal'] as $key => $error ) {
				$out .= "\n {$error}";
				$desc = $docparser->get_param_desc( $key );
				if ( '' !== $desc ) {
					$out .= " ({$desc})";
				}
			}

\WP_CLI::error( $out );
		}

array_map( '\\WP_CLI::warning', $errors['warning'] );

return array( $to_unset, $args, $assoc_args, $extra_args );
	}

/**
	 * Invoke the subcommand with the supplied arguments.
	 * Given a --prompt argument, interactively request input
	 * from the end user.
	 *
	 * @param array $args
	 * @param array $assoc_args
	 */
	public function invoke( $args, $assoc_args, $extra_args ) {

if ( 'help' !== $this->name ) {
			static $prompted_once = false;

if ( \WP_CLI::get_config( 'prompt' ) && ! $prompted_once ) {
				list( $_args, $assoc_args ) = $this->prompt_args( $args, $assoc_args );
				$args                       = array_merge( $args, $_args );
				$prompted_once              = true;
			}
		}

$extra_positionals = array();
		foreach ( $extra_args as $k => $v ) {
			if ( is_numeric( $k ) ) {
				if ( ! isset( $args[ $k ] ) ) {
					$extra_positionals[ $k ] = $v;
				}
				unset( $extra_args[ $k ] );
			}
		}
		$args += $extra_positionals;

list( $to_unset, $args, $assoc_args, $extra_args ) = $this->validate_args( $args, $assoc_args, $extra_args );

foreach ( $to_unset as $key ) {
			unset( $assoc_args[ $key ] );
		}

$path   = get_path( $this->get_parent() );
		$parent = implode( ' ', array_slice( $path, 1 ) );
		$cmd    = $this->name;
		if ( $parent ) {
			WP_CLI::do_hook( "before_invoke:{$parent}" );
			$cmd = $parent . ' ' . $cmd;
		}
		WP_CLI::do_hook( "before_invoke:{$cmd}" );

call_user_func( $this->when_invoked, $args, array_merge( $extra_args, $assoc_args ) );

if ( $parent ) {
			WP_CLI::do_hook( "after_invoke:{$parent}" );
		}
		WP_CLI::do_hook( "after_invoke:{$cmd}" );
	}

/**
	 * Get an array of parameter names, by merging the command-specific and the
	 * global parameters.
	 *
	 * @param array  $spec Optional. Specification of the current command.
	 *
	 * @return array Array of parameter names
	 */
	private function get_parameters( $spec = array() ) {
		$local_parameters  = array_column( $spec, 'name' );
		$global_parameters = array_column(
			WP_CLI\SynopsisParser::parse( $this->get_global_params() ),
			'name'
		);

return array_unique( array_merge( $local_parameters, $global_parameters ) );
	}
}
<?php

namespace WP_CLI;

/**
 * Generate a synopsis from a command's PHPdoc arguments.
 * Turns something like "<object-id>..."
 * into [ optional=>false, type=>positional, repeating=>true, name=>object-id ]
 */
class SynopsisParser {

/**
	 * @param string A synopsis
	 * @return array List of parameters
	 */
	public static function parse( $synopsis ) {
		$tokens = array_filter( preg_split( '/[\s\t]+/', $synopsis ) );

$params = array();
		foreach ( $tokens as $token ) {
			$param = self::classify_token( $token );

// Some types of parameters shouldn't be mandatory
			if ( isset( $param['optional'] ) && ! $param['optional'] ) {
				if ( 'flag' === $param['type'] || ( 'assoc' === $param['type'] && $param['value']['optional'] ) ) {
					$param['type'] = 'unknown';
				}
			}

$param['token'] = $token;
			$params[]       = $param;
		}

return $params;
	}

/**
	 * Render the Synopsis into a format string.
	 *
	 * @param array $synopsis A structured synopsis. This might get reordered
	 *                        to match the parsed output.
	 * @return string Rendered synopsis.
	 */
	public static function render( &$synopsis ) {
		if ( ! is_array( $synopsis ) ) {
			return '';
		}
		$bits               = [
			'positional' => '',
			'assoc'      => '',
			'generic'    => '',
			'flag'       => '',
		];
		$reordered_synopsis = [
			'positional' => [],
			'assoc'      => [],
			'generic'    => [],
			'flag'       => [],
		];
		foreach ( $bits as $key => &$value ) {
			foreach ( $synopsis as $arg ) {
				if ( empty( $arg['type'] )
					|| $key !== $arg['type'] ) {
					continue;
				}

if ( empty( $arg['name'] ) && 'generic' !== $arg['type'] ) {
					continue;
				}

if ( 'positional' === $key ) {
					$rendered_arg = "<{$arg['name']}>";

$reordered_synopsis['positional'] [] = $arg;
				} elseif ( 'assoc' === $key ) {
					$arg_value    = isset( $arg['value']['name'] ) ? $arg['value']['name'] : $arg['name'];
					$rendered_arg = "--{$arg['name']}=<{$arg_value}>";

$reordered_synopsis['assoc'] [] = $arg;
				} elseif ( 'generic' === $key ) {
					$rendered_arg = '--<field>=<value>';

$reordered_synopsis['generic'] [] = $arg;
				} elseif ( 'flag' === $key ) {
					$rendered_arg = "--{$arg['name']}";

$reordered_synopsis['flag'] [] = $arg;
				}
				if ( ! empty( $arg['repeating'] ) ) {
					$rendered_arg = "{$rendered_arg}...";
				}
				if ( ! empty( $arg['optional'] ) ) {
					$rendered_arg = "[{$rendered_arg}]";
				}
				$value .= "{$rendered_arg} ";
			}
		}
		$rendered = '';
		foreach ( $bits as $v ) {
			if ( ! empty( $v ) ) {
				$rendered .= $v;
			}
		}

$synopsis = array_merge(
			$reordered_synopsis['positional'],
			$reordered_synopsis['assoc'],
			$reordered_synopsis['generic'],
			$reordered_synopsis['flag']
		);

return rtrim( $rendered, ' ' );
	}

/**
	 * Classify argument attributes based on its syntax.
	 *
	 * @param string $token
	 * @return array $param
	 */
	private static function classify_token( $token ) {
		$param = array();

list( $param['optional'], $token )  = self::is_optional( $token );
		list( $param['repeating'], $token ) = self::is_repeating( $token );

$p_name  = '([a-z-_0-9]+)';
		$p_value = '([a-zA-Z-_|,0-9]+)';

if ( '--<field>=<value>' === $token ) {
			$param['type'] = 'generic';
		} elseif ( preg_match( "/^<($p_value)>$/", $token, $matches ) ) {
			$param['type'] = 'positional';
			$param['name'] = $matches[1];
		} elseif ( preg_match( "/^--(?:\\[no-\\])?$p_name/", $token, $matches ) ) {
			$param['name'] = $matches[1];

$value = substr( $token, strlen( $matches[0] ) );

// substr returns false <= PHP 5.6, and '' PHP 7+
			if ( false === $value || '' === $value ) {
				$param['type'] = 'flag';
			} else {
				$param['type'] = 'assoc';

list( $param['value']['optional'], $value ) = self::is_optional( $value );

if ( preg_match( "/^=<$p_value>$/", $value, $matches ) ) {
					$param['value']['name'] = $matches[1];
				} else {
					$param = array(
						'type' => 'unknown',
					);
				}
			}
		} else {
			$param['type'] = 'unknown';
		}

return $param;
	}

/**
	 * An optional parameter is surrounded by square brackets.
	 *
	 * @param string $token
	 * @return array
	 */
	private static function is_optional( $token ) {
		if ( '[' === substr( $token, 0, 1 ) && ']' === substr( $token, -1 ) ) {
			return array( true, substr( $token, 1, -1 ) );
		}

return array( false, $token );
	}

/**
	 * A repeating parameter is followed by an ellipsis.
	 *
	 * @param string $token
	 * @return array
	 */
	private static function is_repeating( $token ) {
		if ( '...' === substr( $token, -3 ) ) {
			return array( true, substr( $token, 0, -3 ) );
		}

return array( false, $token );
	}
}
<?php

namespace WP_CLI;

class ExitException extends \Exception {}
<?php

namespace WP_CLI;

/**
 * Checks if the list of parameters matches the specification defined in the synopsis.
 */
class SynopsisValidator {

/**
	 * @var array $spec Structured representation of command synopsis.
	 */
	private $spec = array();

/**
	 * @param string $synopsis Command's synopsis.
	 */
	public function __construct( $synopsis ) {
		$this->spec = SynopsisParser::parse( $synopsis );
	}

/**
	 * Get any unknown arguments.
	 *
	 * @return array
	 */
	public function get_unknown() {
		return array_column(
			$this->query_spec(
				array(
					'type' => 'unknown',
				)
			),
			'token'
		);
	}

/**
	 * Check whether there are enough positional arguments.
	 *
	 * @param array $args Positional arguments.
	 * @return bool
	 */
	public function enough_positionals( $args ) {
		$positional = $this->query_spec(
			array(
				'type'     => 'positional',
				'optional' => false,
			)
		);

return count( $args ) >= count( $positional );
	}

/**
	 * Check for any unknown positionals.
	 *
	 * @param array $args Positional arguments.
	 * @return array
	 */
	public function unknown_positionals( $args ) {
		$positional_repeating = $this->query_spec(
			array(
				'type'      => 'positional',
				'repeating' => true,
			)
		);

// At least one positional supports as many as possible.
		if ( ! empty( $positional_repeating ) ) {
			return array();
		}

$positional = $this->query_spec(
			array(
				'type'      => 'positional',
				'repeating' => false,
			)
		);

return array_slice( $args, count( $positional ) );
	}

/**
	 * Check that all required keys are present and that they have values.
	 *
	 * @param array $assoc_args Parameters passed to command.
	 * @return array
	 */
	public function validate_assoc( $assoc_args ) {
		$assoc_spec = $this->query_spec(
			array(
				'type' => 'assoc',
			)
		);

$errors = array(
			'fatal'   => array(),
			'warning' => array(),
		);

$to_unset = array();

foreach ( $assoc_spec as $param ) {
			$key = $param['name'];

if ( ! isset( $assoc_args[ $key ] ) ) {
				if ( ! $param['optional'] ) {
					$errors['fatal'][ $key ] = "missing --$key parameter";
				}
			} else {
				if ( true === $assoc_args[ $key ] && ! $param['value']['optional'] ) {
					$error_type                    = ( ! $param['optional'] ) ? 'fatal' : 'warning';
					$errors[ $error_type ][ $key ] = "--$key parameter needs a value";

$to_unset[] = $key;
				}
			}
		}

return array( $errors, $to_unset );
	}

/**
	 * Check whether there are unknown parameters supplied.
	 *
	 * @param array $assoc_args Parameters passed to command.
	 * @return array|false
	 */
	public function unknown_assoc( $assoc_args ) {
		$generic = $this->query_spec(
			array(
				'type' => 'generic',
			)
		);

if ( count( $generic ) ) {
			return array();
		}

$known_assoc = array();

foreach ( $this->spec as $param ) {
			if ( in_array( $param['type'], array( 'assoc', 'flag' ), true ) ) {
				$known_assoc[] = $param['name'];
			}
		}

return array_diff( array_keys( $assoc_args ), $known_assoc );
	}

/**
	 * Filters a list of associative arrays, based on a set of key => value arguments.
	 *
	 * @param array $args An array of key => value arguments to match against
	 * @param string $operator
	 * @return array
	 */
	private function query_spec( $args, $operator = 'AND' ) {
		$operator = strtoupper( $operator );
		$count    = count( $args );
		$filtered = array();

foreach ( $this->spec as $key => $to_match ) {
			$matched = 0;
			foreach ( $args as $m_key => $m_value ) {
				if ( array_key_exists( $m_key, $to_match ) && $m_value == $to_match[ $m_key ] ) {
					$matched++;
				}
			}

if ( ( 'AND' === $operator && $matched === $count )
				|| ( 'OR' === $operator && $matched > 0 )
				|| ( 'NOT' === $operator && 0 === $matched ) ) {
					$filtered[ $key ] = $to_match;
			}
		}

return $filtered;
	}

}
<?php

namespace WP_CLI;

use Mustangostang\Spyc;

/**
 * Handles file- and runtime-based configuration values.
 *
 * @package WP_CLI
 */
class Configurator {

/**
	 * @var array $spec Configurator argument specification.
	 */
	private $spec;

/**
	 * @var array $config Values for keys defined in Configurator spec.
	 */
	private $config = array();

/**
	 * @var array $extra_config Extra config values not specified in spec.
	 */
	private $extra_config = array();

/**
	 * @var array $aliases Any aliases defined in config files.
	 */
	private $aliases = array();

/**
	 * @var string ALIAS_REGEX Regex pattern used to define an alias
	 */
	const ALIAS_REGEX = '^@[A-Za-z0-9-_\.\-]+$';

/**
	 * @var array ALIAS_SPEC Arguments that can be used in an alias
	 */
	private static $alias_spec = array(
		'user',
		'url',
		'path',
		'ssh',
		'http',
	);

/**
	 * @param string $path Path to config spec file.
	 */
	public function __construct( $path ) {
		$this->spec = include $path;

$defaults = array(
			'runtime'  => false,
			'file'     => false,
			'synopsis' => '',
			'default'  => null,
			'multiple' => false,
		);

foreach ( $this->spec as $key => &$details ) {
			$details = array_merge( $defaults, $details );

$this->config[ $key ] = $details['default'];
		}
	}

/**
	 * Get declared configuration values as an array.
	 *
	 * @return array
	 */
	public function to_array() {
		return array( $this->config, $this->extra_config );
	}

/**
	 * Get configuration specification, i.e. list of accepted keys.
	 *
	 * @return array
	 */
	public function get_spec() {
		return $this->spec;
	}

/**
	 * Get any aliases defined in config files.
	 *
	 * @return array
	 */
	public function get_aliases() {
		$runtime_alias = getenv( 'WP_CLI_RUNTIME_ALIAS' );
		if ( false !== $runtime_alias ) {
			$returned_aliases = array();
			foreach ( json_decode( $runtime_alias, true ) as $key => $value ) {
				if ( preg_match( '#' . self::ALIAS_REGEX . '#', $key ) ) {
					$returned_aliases[ $key ] = array();
					foreach ( self::$alias_spec as $i ) {
						if ( isset( $value[ $i ] ) ) {
							$returned_aliases[ $key ][ $i ] = $value[ $i ];
						}
					}
				}
			}
			return $returned_aliases;
		}

return $this->aliases;
	}

/**
	 * Splits a list of arguments into positional, associative and config.
	 *
	 * @param array(string)
	 * @return array(array)
	 */
	public function parse_args( $arguments ) {
		list( $positional_args, $mixed_args, $global_assoc, $local_assoc ) = self::extract_assoc( $arguments );
		list( $assoc_args, $runtime_config )                               = $this->unmix_assoc_args( $mixed_args, $global_assoc, $local_assoc );
		return array( $positional_args, $assoc_args, $runtime_config );
	}

/**
	 * Splits positional args from associative args.
	 *
	 * @param array
	 * @return array(array)
	 */
	public static function extract_assoc( $arguments ) {
		$positional_args = array();
		$assoc_args      = array();
		$global_assoc    = array();
		$local_assoc     = array();

foreach ( $arguments as $arg ) {
			$positional_arg = null;
			$assoc_arg      = null;

if ( preg_match( '|^--no-([^=]+)$|', $arg, $matches ) ) {
				$assoc_arg = array( $matches[1], false );
			} elseif ( preg_match( '|^--([^=]+)$|', $arg, $matches ) ) {
				$assoc_arg = array( $matches[1], true );
			} elseif ( preg_match( '|^--([^=]+)=(.*)|s', $arg, $matches ) ) {
				$assoc_arg = array( $matches[1], $matches[2] );
			} else {
				$positional = $arg;
			}

if ( ! is_null( $assoc_arg ) ) {
				$assoc_args[] = $assoc_arg;
				if ( count( $positional_args ) ) {
					$local_assoc[] = $assoc_arg;
				} else {
					$global_assoc[] = $assoc_arg;
				}
			} elseif ( ! is_null( $positional ) ) {
				$positional_args[] = $positional;
			}
		}

return array( $positional_args, $assoc_args, $global_assoc, $local_assoc );
	}

/**
	 * Separate runtime parameters from command-specific parameters.
	 *
	 * @param array $mixed_args
	 * @return array
	 */
	private function unmix_assoc_args( $mixed_args, $global_assoc = array(), $local_assoc = array() ) {
		$assoc_args     = array();
		$runtime_config = array();

if ( getenv( 'WP_CLI_STRICT_ARGS_MODE' ) ) {
			foreach ( $global_assoc as $tmp ) {
				list( $key, $value ) = $tmp;
				if ( isset( $this->spec[ $key ] ) && false !== $this->spec[ $key ]['runtime'] ) {
					$this->assoc_arg_to_runtime_config( $key, $value, $runtime_config );
				}
			}
			foreach ( $local_assoc as $tmp ) {
				$assoc_args[ $tmp[0] ] = $tmp[1];
			}
		} else {
			foreach ( $mixed_args as $tmp ) {
				list( $key, $value ) = $tmp;

if ( isset( $this->spec[ $key ] ) && false !== $this->spec[ $key ]['runtime'] ) {
					$this->assoc_arg_to_runtime_config( $key, $value, $runtime_config );
				} else {
					$assoc_args[ $key ] = $value;
				}
			}
		}

return array( $assoc_args, $runtime_config );
	}

/**
	 * Handle turning an $assoc_arg into a runtime arg.
	 */
	private function assoc_arg_to_runtime_config( $key, $value, &$runtime_config ) {
		$details = $this->spec[ $key ];
		if ( isset( $details['deprecated'] ) ) {
			fwrite( STDERR, "WP-CLI: The --{$key} global parameter is deprecated. {$details['deprecated']}\n" );
		}

if ( $details['multiple'] ) {
			$runtime_config[ $key ][] = $value;
		} else {
			$runtime_config[ $key ] = $value;
		}
	}

/**
	 * Load a YAML file of parameters into scope.
	 *
	 * @param string $path Path to YAML file.
	 */
	public function merge_yml( $path, $current_alias = null ) {
		$yaml = self::load_yml( $path );
		if ( ! empty( $yaml['_']['inherit'] ) ) {
			$this->merge_yml( $yaml['_']['inherit'], $current_alias );
		}
		// Prepare the base path for absolutized alias paths
		$yml_file_dir = $path ? dirname( $path ) : false;
		foreach ( $yaml as $key => $value ) {
			if ( preg_match( '#' . self::ALIAS_REGEX . '#', $key ) ) {
				$this->aliases[ $key ] = array();
				$is_alias              = false;
				foreach ( self::$alias_spec as $i ) {
					if ( isset( $value[ $i ] ) ) {
						if ( 'path' === $i && ! isset( $value['ssh'] ) ) {
							self::absolutize( $value[ $i ], $yml_file_dir );
						}
						$this->aliases[ $key ][ $i ] = $value[ $i ];
						$is_alias                    = true;
					}
				}
				// If it's not an alias, it might be a group of aliases
				if ( ! $is_alias && is_array( $value ) ) {
					$alias_group = array();
					foreach ( $value as $i => $k ) {
						if ( preg_match( '#' . self::ALIAS_REGEX . '#', $k ) ) {
							$alias_group[] = $k;
						}
					}
					$this->aliases[ $key ] = $alias_group;
				}
			} elseif ( ! isset( $this->spec[ $key ] ) || false === $this->spec[ $key ]['file'] ) {
				if ( isset( $this->extra_config[ $key ] )
					&& ! empty( $yaml['_']['merge'] )
					&& is_array( $this->extra_config[ $key ] )
					&& is_array( $value ) ) {
					$this->extra_config[ $key ] = array_merge( $this->extra_config[ $key ], $value );
				} else {
					$this->extra_config[ $key ] = $value;
				}
			} elseif ( $this->spec[ $key ]['multiple'] ) {
				self::arrayify( $value );
				$this->config[ $key ] = array_merge( $this->config[ $key ], $value );
			} else {
				if ( $current_alias && in_array( $key, self::$alias_spec, true ) ) {
					continue;
				}
				$this->config[ $key ] = $value;
			}
		}
	}

/**
	 * Merge an array of values into the configurator config.
	 *
	 * @param array $config
	 */
	public function merge_array( $config ) {
		foreach ( $this->spec as $key => $details ) {
			if ( false !== $details['runtime'] && isset( $config[ $key ] ) ) {
				$value = $config[ $key ];

if ( 'require' === $key ) {
					$value = \WP_CLI\Utils\expand_globs( $value );
				}

if ( $details['multiple'] ) {
					self::arrayify( $value );
					$this->config[ $key ] = array_merge( $this->config[ $key ], $value );
				} else {
					$this->config[ $key ] = $value;
				}
			}
		}
	}

/**
	 * Load values from a YAML file.
	 *
	 * @param string $yml_file Path to the YAML file
	 * @return array $config Declared configuration values
	 */
	private static function load_yml( $yml_file ) {
		if ( ! $yml_file ) {
			return array();
		}

$config = Spyc::YAMLLoad( $yml_file );

// Make sure config-file-relative paths are made absolute.
		$yml_file_dir = dirname( $yml_file );

if ( isset( $config['path'] ) ) {
			self::absolutize( $config['path'], $yml_file_dir );
		}

if ( isset( $config['require'] ) ) {
			self::arrayify( $config['require'] );
			$config['require'] = \WP_CLI\Utils\expand_globs( $config['require'] );
			foreach ( $config['require'] as &$path ) {
				self::absolutize( $path, $yml_file_dir );
			}
		}

// Backwards compat
		// 'core config' -> 'config create'
		if ( isset( $config['core config'] ) ) {
			$config['config create'] = $config['core config'];
			unset( $config['core config'] );
		}
		// 'checksum core' -> 'core verify-checksums'
		if ( isset( $config['checksum core'] ) ) {
			$config['core verify-checksums'] = $config['checksum core'];
			unset( $config['checksum core'] );
		}
		// 'checksum plugin' -> 'plugin verify-checksums'
		if ( isset( $config['checksum plugin'] ) ) {
			$config['plugin verify-checksums'] = $config['checksum plugin'];
			unset( $config['checksum plugin'] );
		}

return $config;
	}

/**
	 * Conform a variable to an array.
	 *
	 * @param mixed $val A string or an array
	 */
	private static function arrayify( &$val ) {
		$val = (array) $val;
	}

/**
	 * Make a path absolute.
	 *
	 * @param string $path Path to file.
	 * @param string $base Base path to prepend.
	 */
	private static function absolutize( &$path, $base ) {
		if ( ! empty( $path ) && ! \WP_CLI\Utils\is_path_absolute( $path ) ) {
			$path = $base . DIRECTORY_SEPARATOR . $path;
		}
	}

}
<?php

namespace WP_CLI;

use \Composer\IO\NullIO;
use \WP_CLI;

/**
 * A Composer IO class so we can provide some level of interactivity from WP-CLI
 */
class ComposerIO extends NullIO {

/**
	 * {@inheritDoc}
	 */
	public function isVerbose() {
		return true;
	}

/**
	 * {@inheritDoc}
	 */
	public function write( $messages, $newline = true, $verbosity = self::NORMAL ) {
		self::output_clean_message( $messages );
	}

/**
	 * {@inheritDoc}
	 */
	public function writeError( $messages, $newline = true, $verbosity = self::NORMAL ) {
		self::output_clean_message( $messages );
	}

private static function output_clean_message( $message ) {
		$message = preg_replace( '#<(https?)([^>]+)>#', '$1$2', $message );
		WP_CLI::log( strip_tags( trim( $message ) ) );
	}

}
<?php

namespace WP_CLI;

use WP_CLI\Utils;

/**
 * Run a system process, and learn what happened.
 */
class Process {
	/**
	 * @var string The full command to execute by the system.
	 */
	private $command;

/**
	 * @var string|null The path of the working directory for the process or NULL if not specified (defaults to current working directory).
	 */
	private $cwd;

/**
	 * @var array Environment variables to set when running the command.
	 */
	private $env;

/**
	 * @var array Descriptor spec for `proc_open()`.
	 */
	private static $descriptors = array(
		0 => STDIN,
		1 => array( 'pipe', 'w' ),
		2 => array( 'pipe', 'w' ),
	);

/**
	 * @var bool Whether to log run time info or not.
	 */
	public static $log_run_times = false;

/**
	 * @var array Array of process run time info, keyed by process command, each a 2-element array containing run time and run count.
	 */
	public static $run_times = array();

/**
	 * @param string $command Command to execute.
	 * @param string $cwd Directory to execute the command in.
	 * @param array $env Environment variables to set when running the command.
	 *
	 * @return Process
	 */
	public static function create( $command, $cwd = null, $env = array() ) {
		$proc = new self();

$proc->command = $command;
		$proc->cwd     = $cwd;
		$proc->env     = $env;

return $proc;
	}

private function __construct() {}

/**
	 * Run the command.
	 *
	 * @return ProcessRun
	 */
	public function run() {
		$start_time = microtime( true );

$proc = Utils\proc_open_compat( $this->command, self::$descriptors, $pipes, $this->cwd, $this->env );

$stdout = stream_get_contents( $pipes[1] );
		fclose( $pipes[1] );

$stderr = stream_get_contents( $pipes[2] );
		fclose( $pipes[2] );

$return_code = proc_close( $proc );

$run_time = microtime( true ) - $start_time;

if ( self::$log_run_times ) {
			if ( ! isset( self::$run_times[ $this->command ] ) ) {
				self::$run_times[ $this->command ] = array( 0, 0 );
			}
			self::$run_times[ $this->command ][0] += $run_time;
			self::$run_times[ $this->command ][1]++;
		}

return new ProcessRun(
			array(
				'stdout'      => $stdout,
				'stderr'      => $stderr,
				'return_code' => $return_code,
				'command'     => $this->command,
				'cwd'         => $this->cwd,
				'env'         => $this->env,
				'run_time'    => $run_time,
			)
		);
	}

/**
	 * Run the command, but throw an Exception on error.
	 *
	 * @return ProcessRun
	 */
	public function run_check() {
		$r = $this->run();

// $r->STDERR is incorrect, but kept incorrect for backwards-compat
		if ( $r->return_code || ! empty( $r->STDERR ) ) {
			throw new \RuntimeException( $r );
		}

return $r;
	}

/**
	 * Run the command, but throw an Exception on error.
	 * Same as `run_check()` above, but checks the correct stderr.
	 *
	 * @return ProcessRun
	 */
	public function run_check_stderr() {
		$r = $this->run();

if ( $r->return_code || ! empty( $r->stderr ) ) {
			throw new \RuntimeException( $r );
		}

return $r;
	}
}
<?php
/*
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the MIT license. For more information, see
 * <http://www.doctrine-project.org>.
 */

namespace WP_CLI;

/**
 * Doctrine inflector has static methods for inflecting text.
 *
 * The methods in these classes are from several different sources collected
 * across several different php projects and several different authors. The
 * original author names and emails are not known.
 *
 * Pluralize & Singularize implementation are borrowed from CakePHP with some modifications.
 *
 * @link   www.doctrine-project.org
 * @since  1.0
 * @author Konsta Vesterinen <kvesteri@cc.hut.fi>
 * @author Jonathan H. Wage <jonwage@gmail.com>
 */
class Inflector {

/**
	 * Plural inflector rules.
	 *
	 * @var array
	 */
	private static $plural = array(
		'rules'       => array(
			'/(s)tatus$/i'                         => '\1\2tatuses',
			'/(quiz)$/i'                           => '\1zes',
			'/^(ox)$/i'                            => '\1\2en',
			'/([m|l])ouse$/i'                      => '\1ice',
			'/(matr|vert|ind)(ix|ex)$/i'           => '\1ices',
			'/(x|ch|ss|sh)$/i'                     => '\1es',
			'/([^aeiouy]|qu)y$/i'                  => '\1ies',
			'/(hive)$/i'                           => '\1s',
			'/(?:([^f])fe|([lr])f)$/i'             => '\1\2ves',
			'/sis$/i'                              => 'ses',
			'/([ti])um$/i'                         => '\1a',
			'/(p)erson$/i'                         => '\1eople',
			'/(m)an$/i'                            => '\1en',
			'/(c)hild$/i'                          => '\1hildren',
			'/(f)oot$/i'                           => '\1eet',
			'/(buffal|her|potat|tomat|volcan)o$/i' => '\1\2oes',
			'/(alumn|bacill|cact|foc|fung|nucle|radi|stimul|syllab|termin|vir)us$/i' => '\1i',
			'/us$/i'                               => 'uses',
			'/(alias)$/i'                          => '\1es',
			'/(analys|ax|cris|test|thes)is$/i'     => '\1es',
			'/s$/'                                 => 's',
			'/^$/'                                 => '',
			'/$/'                                  => 's',
		),
		'uninflected' => array(
			'.*[nrlm]ese',
			'.*deer',
			'.*fish',
			'.*measles',
			'.*ois',
			'.*pox',
			'.*sheep',
			'people',
			'cookie',
		),
		'irregular'   => array(
			'atlas'        => 'atlases',
			'axe'          => 'axes',
			'beef'         => 'beefs',
			'brother'      => 'brothers',
			'cafe'         => 'cafes',
			'chateau'      => 'chateaux',
			'child'        => 'children',
			'cookie'       => 'cookies',
			'corpus'       => 'corpuses',
			'cow'          => 'cows',
			'criterion'    => 'criteria',
			'curriculum'   => 'curricula',
			'demo'         => 'demos',
			'domino'       => 'dominoes',
			'echo'         => 'echoes',
			'foot'         => 'feet',
			'fungus'       => 'fungi',
			'ganglion'     => 'ganglions',
			'genie'        => 'genies',
			'genus'        => 'genera',
			'graffito'     => 'graffiti',
			'hippopotamus' => 'hippopotami',
			'hoof'         => 'hoofs',
			'human'        => 'humans',
			'iris'         => 'irises',
			'leaf'         => 'leaves',
			'loaf'         => 'loaves',
			'man'          => 'men',
			'medium'       => 'media',
			'memorandum'   => 'memoranda',
			'money'        => 'monies',
			'mongoose'     => 'mongooses',
			'motto'        => 'mottoes',
			'move'         => 'moves',
			'mythos'       => 'mythoi',
			'niche'        => 'niches',
			'nucleus'      => 'nuclei',
			'numen'        => 'numina',
			'occiput'      => 'occiputs',
			'octopus'      => 'octopuses',
			'opus'         => 'opuses',
			'ox'           => 'oxen',
			'penis'        => 'penises',
			'person'       => 'people',
			'plateau'      => 'plateaux',
			'runner-up'    => 'runners-up',
			'sex'          => 'sexes',
			'soliloquy'    => 'soliloquies',
			'son-in-law'   => 'sons-in-law',
			'syllabus'     => 'syllabi',
			'testis'       => 'testes',
			'thief'        => 'thieves',
			'tooth'        => 'teeth',
			'tornado'      => 'tornadoes',
			'trilby'       => 'trilbys',
			'turf'         => 'turfs',
			'volcano'      => 'volcanoes',
		),
	);

/**
	 * Singular inflector rules.
	 *
	 * @var array
	 */
	private static $singular = array(
		'rules'       => array(
			'/(s)tatuses$/i'                         => '\1\2tatus',
			'/^(.*)(menu)s$/i'                       => '\1\2',
			'/(quiz)zes$/i'                          => '\\1',
			'/(matr)ices$/i'                         => '\1ix',
			'/(vert|ind)ices$/i'                     => '\1ex',
			'/^(ox)en/i'                             => '\1',
			'/(alias)(es)*$/i'                       => '\1',
			'/(buffal|her|potat|tomat|volcan)oes$/i' => '\1o',
			'/(alumn|bacill|cact|foc|fung|nucle|radi|stimul|syllab|termin|viri?)i$/i' => '\1us',
			'/([ftw]ax)es/i'                         => '\1',
			'/(analys|ax|cris|test|thes)es$/i'       => '\1is',
			'/(shoe|slave)s$/i'                      => '\1',
			'/(o)es$/i'                              => '\1',
			'/ouses$/'                               => 'ouse',
			'/([^a])uses$/'                          => '\1us',
			'/([m|l])ice$/i'                         => '\1ouse',
			'/(x|ch|ss|sh)es$/i'                     => '\1',
			'/(m)ovies$/i'                           => '\1\2ovie',
			'/(s)eries$/i'                           => '\1\2eries',
			'/([^aeiouy]|qu)ies$/i'                  => '\1y',
			'/([lr])ves$/i'                          => '\1f',
			'/(tive)s$/i'                            => '\1',
			'/(hive)s$/i'                            => '\1',
			'/(drive)s$/i'                           => '\1',
			'/([^fo])ves$/i'                         => '\1fe',
			'/(^analy)ses$/i'                        => '\1sis',
			'/(analy|diagno|^ba|(p)arenthe|(p)rogno|(s)ynop|(t)he)ses$/i' => '\1\2sis',
			'/([ti])a$/i'                            => '\1um',
			'/(p)eople$/i'                           => '\1\2erson',
			'/(m)en$/i'                              => '\1an',
			'/(c)hildren$/i'                         => '\1\2hild',
			'/(f)eet$/i'                             => '\1oot',
			'/(n)ews$/i'                             => '\1\2ews',
			'/eaus$/'                                => 'eau',
			'/^(.*us)$/'                             => '\\1',
			'/s$/i'                                  => '',
		),
		'uninflected' => array(
			'.*[nrlm]ese',
			'.*deer',
			'.*fish',
			'.*measles',
			'.*ois',
			'.*pox',
			'.*sheep',
			'.*ss',
		),
		'irregular'   => array(
			'criteria' => 'criterion',
			'curves'   => 'curve',
			'emphases' => 'emphasis',
			'foes'     => 'foe',
			'hoaxes'   => 'hoax',
			'media'    => 'medium',
			'neuroses' => 'neurosis',
			'waves'    => 'wave',
			'oases'    => 'oasis',
		),
	);

/**
	 * Words that should not be inflected.
	 *
	 * @var array
	 */
	private static $uninflected = array(
		'Amoyese',
		'bison',
		'Borghese',
		'bream',
		'breeches',
		'britches',
		'buffalo',
		'cantus',
		'carp',
		'chassis',
		'clippers',
		'cod',
		'coitus',
		'Congoese',
		'contretemps',
		'corps',
		'debris',
		'diabetes',
		'djinn',
		'eland',
		'elk',
		'equipment',
		'Faroese',
		'flounder',
		'Foochowese',
		'gallows',
		'Genevese',
		'Genoese',
		'Gilbertese',
		'graffiti',
		'headquarters',
		'herpes',
		'hijinks',
		'Hottentotese',
		'information',
		'innings',
		'jackanapes',
		'Kiplingese',
		'Kongoese',
		'Lucchese',
		'mackerel',
		'Maltese',
		'.*?media',
		'mews',
		'moose',
		'mumps',
		'Nankingese',
		'news',
		'nexus',
		'Niasese',
		'Pekingese',
		'Piedmontese',
		'pincers',
		'Pistoiese',
		'pliers',
		'Portuguese',
		'proceedings',
		'rabies',
		'rice',
		'rhinoceros',
		'salmon',
		'Sarawakese',
		'scissors',
		'sea[- ]bass',
		'series',
		'Shavese',
		'shears',
		'siemens',
		'species',
		'staff',
		'swine',
		'testes',
		'trousers',
		'trout',
		'tuna',
		'Vermontese',
		'Wenchowese',
		'whiting',
		'wildebeest',
		'Yengeese',
	);

/**
	 * Method cache array.
	 *
	 * @var array
	 */
	private static $cache = array();

/**
	 * The initial state of Inflector so reset() works.
	 *
	 * @var array
	 */
	private static $initialState = array();

/**
	 * Converts a word into the format for a Doctrine table name. Converts 'ModelName' to 'model_name'.
	 *
	 * @param string $word The word to tableize.
	 *
	 * @return string The tableized word.
	 */
	public static function tableize( $word ) {
		return strtolower( preg_replace( '~(?<=\\w)([A-Z])~', '_$1', $word ) );
	}

/**
	 * Converts a word into the format for a Doctrine class name. Converts 'table_name' to 'TableName'.
	 *
	 * @param string $word The word to classify.
	 *
	 * @return string The classified word.
	 */
	public static function classify( $word ) {
		return str_replace( ' ', '', ucwords( strtr( $word, '_-', '  ' ) ) );
	}

/**
	 * Camelizes a word. This uses the classify() method and turns the first character to lowercase.
	 *
	 * @param string $word The word to camelize.
	 *
	 * @return string The camelized word.
	 */
	public static function camelize( $word ) {
		return lcfirst( self::classify( $word ) );
	}

/**
	 * Uppercases words with configurable delimeters between words.
	 *
	 * Takes a string and capitalizes all of the words, like PHP's built-in
	 * ucwords function.  This extends that behavior, however, by allowing the
	 * word delimeters to be configured, rather than only separating on
	 * whitespace.
	 *
	 * Here is an example:
	 * <code>
	 * <?php
	 * $string = 'top-o-the-morning to all_of_you!';
	 * echo \Doctrine\Common\Inflector\Inflector::ucwords($string);
	 * // Top-O-The-Morning To All_of_you!
	 *
	 * echo \Doctrine\Common\Inflector\Inflector::ucwords($string, '-_ ');
	 * // Top-O-The-Morning To All_Of_You!
	 * ?>
	 * </code>
	 *
	 * @param string $string The string to operate on.
	 * @param string $delimiters A list of word separators.
	 *
	 * @return string The string with all delimeter-separated words capitalized.
	 */
	public static function ucwords( $string, $delimiters = " \n\t\r\0\x0B-" ) {
		return preg_replace_callback(
			'/[^' . preg_quote( $delimiters, '/' ) . ']+/',
			function( $matches ) {
				return ucfirst( $matches[0] );
			},
			$string
		);
	}

/**
	 * Clears Inflectors inflected value caches, and resets the inflection
	 * rules to the initial values.
	 *
	 * @return void
	 */
	public static function reset() {
		if ( empty( self::$initialState ) ) {
			self::$initialState = get_class_vars( 'Inflector' );

return;
		}

foreach ( self::$initialState as $key => $val ) {
			if ( 'initialState' !== $key ) {
				self::${$key} = $val;
			}
		}
	}

/**
	 * Adds custom inflection $rules, of either 'plural' or 'singular' $type.
	 *
	 * ### Usage:
	 *
	 * {{{
	 * Inflector::rules('plural', array('/^(inflect)or$/i' => '\1ables'));
	 * Inflector::rules('plural', array(
	 *     'rules' => array('/^(inflect)ors$/i' => '\1ables'),
	 *     'uninflected' => array('dontinflectme'),
	 *     'irregular' => array('red' => 'redlings')
	 * ));
	 * }}}
	 *
	 * @param string  $type  The type of inflection, either 'plural' or 'singular'
	 * @param array   $rules An array of rules to be added.
	 * @param boolean $reset If true, will unset default inflections for all
	 *                       new rules that are being defined in $rules.
	 *
	 * @return void
	 */
	public static function rules( $type, $rules, $reset = false ) {
		foreach ( $rules as $rule => $pattern ) {
			if ( ! is_array( $pattern ) ) {
				continue;
			}

if ( $reset ) {
				self::${$type}[ $rule ] = $pattern;
			} else {
				self::${$type}[ $rule ] = ( 'uninflected' === $rule )
					? array_merge( $pattern, self::${$type}[ $rule ] )
					: $pattern + self::${$type}[ $rule ];
			}

unset( $rules[ $rule ], self::${$type}[ 'cache' . ucfirst( $rule ) ] );

if ( isset( self::${$type}['merged'][ $rule ] ) ) {
				unset( self::${$type}['merged'][ $rule ] );
			}

if ( 'plural' === $type ) {
				self::$cache['pluralize'] = array();
				self::$cache['tableize']  = array();
			} elseif ( 'singular' === $type ) {
				self::$cache['singularize'] = array();
			}
		}

self::${$type}['rules'] = $rules + self::${$type}['rules'];
	}

/**
	 * Returns a word in plural form.
	 *
	 * @param string $word The word in singular form.
	 *
	 * @return string The word in plural form.
	 */
	public static function pluralize( $word ) {
		if ( isset( self::$cache['pluralize'][ $word ] ) ) {
			return self::$cache['pluralize'][ $word ];
		}

if ( ! isset( self::$plural['merged']['irregular'] ) ) {
			self::$plural['merged']['irregular'] = self::$plural['irregular'];
		}

if ( ! isset( self::$plural['merged']['uninflected'] ) ) {
			self::$plural['merged']['uninflected'] = array_merge( self::$plural['uninflected'], self::$uninflected );
		}

if ( ! isset( self::$plural['cacheUninflected'] ) || ! isset( self::$plural['cacheIrregular'] ) ) {
			self::$plural['cacheUninflected'] = '(?:' . implode( '|', self::$plural['merged']['uninflected'] ) . ')';
			self::$plural['cacheIrregular']   = '(?:' . implode( '|', array_keys( self::$plural['merged']['irregular'] ) ) . ')';
		}

if ( preg_match( '/(.*)\\b(' . self::$plural['cacheIrregular'] . ')$/i', $word, $regs ) ) {
			self::$cache['pluralize'][ $word ] = $regs[1] . substr( $word, 0, 1 ) . substr( self::$plural['merged']['irregular'][ strtolower( $regs[2] ) ], 1 );

return self::$cache['pluralize'][ $word ];
		}

if ( preg_match( '/^(' . self::$plural['cacheUninflected'] . ')$/i', $word, $regs ) ) {
			self::$cache['pluralize'][ $word ] = $word;

return $word;
		}

foreach ( self::$plural['rules'] as $rule => $replacement ) {
			if ( preg_match( $rule, $word ) ) {
				self::$cache['pluralize'][ $word ] = preg_replace( $rule, $replacement, $word );

return self::$cache['pluralize'][ $word ];
			}
		}
	}

/**
	 * Returns a word in singular form.
	 *
	 * @param string $word The word in plural form.
	 *
	 * @return string The word in singular form.
	 */
	public static function singularize( $word ) {
		if ( isset( self::$cache['singularize'][ $word ] ) ) {
			return self::$cache['singularize'][ $word ];
		}

if ( ! isset( self::$singular['merged']['uninflected'] ) ) {
			self::$singular['merged']['uninflected'] = array_merge(
				self::$singular['uninflected'],
				self::$uninflected
			);
		}

if ( ! isset( self::$singular['merged']['irregular'] ) ) {
			self::$singular['merged']['irregular'] = array_merge(
				self::$singular['irregular'],
				array_flip( self::$plural['irregular'] )
			);
		}

if ( ! isset( self::$singular['cacheUninflected'] ) || ! isset( self::$singular['cacheIrregular'] ) ) {
			self::$singular['cacheUninflected'] = '(?:' . join( '|', self::$singular['merged']['uninflected'] ) . ')';
			self::$singular['cacheIrregular']   = '(?:' . join( '|', array_keys( self::$singular['merged']['irregular'] ) ) . ')';
		}

if ( preg_match( '/(.*)\\b(' . self::$singular['cacheIrregular'] . ')$/i', $word, $regs ) ) {
			self::$cache['singularize'][ $word ] = $regs[1] . substr( $word, 0, 1 ) . substr( self::$singular['merged']['irregular'][ strtolower( $regs[2] ) ], 1 );

return self::$cache['singularize'][ $word ];
		}

if ( preg_match( '/^(' . self::$singular['cacheUninflected'] . ')$/i', $word, $regs ) ) {
			self::$cache['singularize'][ $word ] = $word;

return $word;
		}

foreach ( self::$singular['rules'] as $rule => $replacement ) {
			if ( preg_match( $rule, $word ) ) {
				self::$cache['singularize'][ $word ] = preg_replace( $rule, $replacement, $word );

return self::$cache['singularize'][ $word ];
			}
		}

self::$cache['singularize'][ $word ] = $word;

return $word;
	}
}
<?php

namespace WP_CLI;

use Exception;
use PharData;
use RecursiveDirectoryIterator;
use RecursiveIteratorIterator;
use WP_CLI;
use WP_CLI\Utils;
use ZipArchive;

/**
 * Extract a provided archive file.
 */
class Extractor {

/**
	 * Extract the archive file to a specific destination.
	 *
	 * @param string $dest
	 */
	public static function extract( $tarball_or_zip, $dest ) {
		if ( preg_match( '/\.zip$/', $tarball_or_zip ) ) {
			return self::extract_zip( $tarball_or_zip, $dest );
		}

if ( preg_match( '/\.tar\.gz$/', $tarball_or_zip ) ) {
			return self::extract_tarball( $tarball_or_zip, $dest );
		}
		throw new \Exception( "Extraction only supported for '.zip' and '.tar.gz' file types." );
	}

/**
	 * Extract a ZIP file to a specific destination.
	 *
	 * @param string $zipfile
	 * @param string $dest
	 */
	private static function extract_zip( $zipfile, $dest ) {
		if ( ! class_exists( 'ZipArchive' ) ) {
			throw new \Exception( 'Extracting a zip file requires ZipArchive.' );
		}
		$zip = new ZipArchive();
		$res = $zip->open( $zipfile );
		if ( true === $res ) {
			$tempdir = implode(
				DIRECTORY_SEPARATOR,
				array(
					dirname( $zipfile ),
					Utils\basename( $zipfile, '.zip' ),
					$zip->getNameIndex( 0 ),
				)
			);

$zip->extractTo( dirname( $tempdir ) );
			$zip->close();

self::copy_overwrite_files( $tempdir, $dest );
			self::rmdir( dirname( $tempdir ) );
		} else {
			throw new \Exception( sprintf( "ZipArchive failed to unzip '%s': %s.", $zipfile, self::zip_error_msg( $res ) ) );
		}
	}

/**
	 * Extract a tarball to a specific destination.
	 *
	 * @param string $tarball
	 * @param string $dest
	 */
	private static function extract_tarball( $tarball, $dest ) {

if ( class_exists( 'PharData' ) ) {
			try {
				$phar    = new PharData( $tarball );
				$tempdir = implode(
					DIRECTORY_SEPARATOR,
					array(
						dirname( $tarball ),
						Utils\basename( $tarball, '.tar.gz' ),
						$phar->getFilename(),
					)
				);

$phar->extractTo( dirname( $tempdir ), null, true );

self::copy_overwrite_files( $tempdir, $dest );

self::rmdir( dirname( $tempdir ) );
				return;
			} catch ( \Exception $e ) {
				WP_CLI::warning( "PharData failed, falling back to 'tar xz' (" . $e->getMessage() . ')' );
				// Fall through to trying `tar xz` below
			}
		}
		// Note: directory must exist for tar --directory to work.
		$cmd         = Utils\esc_cmd( 'tar xz --strip-components=1 --directory=%s -f %s', $dest, $tarball );
		$process_run = WP_CLI::launch( $cmd, false /*exit_on_error*/, true /*return_detailed*/ );
		if ( 0 !== $process_run->return_code ) {
			throw new \Exception( sprintf( 'Failed to execute `%s`: %s.', $cmd, self::tar_error_msg( $process_run ) ) );
		}
	}

/**
	 * Copy files from source directory to destination directory. Source directory must exist.
	 *
	 * @param string $source
	 * @param string $dest
	 */
	public static function copy_overwrite_files( $source, $dest ) {
		$iterator = new RecursiveIteratorIterator(
			new RecursiveDirectoryIterator( $source, RecursiveDirectoryIterator::SKIP_DOTS ),
			RecursiveIteratorIterator::SELF_FIRST
		);

$error = 0;

if ( ! is_dir( $dest ) ) {
			mkdir( $dest, 0777, true );
		}

foreach ( $iterator as $item ) {

$dest_path = $dest . DIRECTORY_SEPARATOR . $iterator->getSubPathName();

if ( $item->isDir() ) {
				if ( ! is_dir( $dest_path ) ) {
					mkdir( $dest_path );
				}
			} else {
				if ( file_exists( $dest_path ) && is_writable( $dest_path ) ) {
					copy( $item, $dest_path );
				} elseif ( ! file_exists( $dest_path ) ) {
					copy( $item, $dest_path );
				} else {
					$error = 1;
					WP_CLI::warning( "Unable to copy '" . $iterator->getSubPathName() . "' to current directory." );
				}
			}
		}

if ( $error ) {
			throw new \Exception( 'There was an error overwriting existing files.' );
		}
	}

/**
	 * Delete all files and directories recursively from directory. Directory must exist.
	 *
	 * @param string $dir
	 */
	public static function rmdir( $dir ) {
		$files = new RecursiveIteratorIterator(
			new RecursiveDirectoryIterator( $dir, RecursiveDirectoryIterator::SKIP_DOTS ),
			RecursiveIteratorIterator::CHILD_FIRST
		);

foreach ( $files as $fileinfo ) {
			$todo = $fileinfo->isDir() ? 'rmdir' : 'unlink';
			$todo( $fileinfo->getRealPath() );
		}
		rmdir( $dir );
	}

/**
	 * Return formatted ZipArchive error message from error code.
	 *
	 * @param int $error_code
	 * @return string
	 */
	public static function zip_error_msg( $error_code ) {
		// From https://github.com/php/php-src/blob/php-5.3.0/ext/zip/php_zip.c#L2623-L2646
		static $zip_err_msgs = array(
			ZipArchive::ER_OK          => 'No error',
			ZipArchive::ER_MULTIDISK   => 'Multi-disk zip archives not supported',
			ZipArchive::ER_RENAME      => 'Renaming temporary file failed',
			ZipArchive::ER_CLOSE       => 'Closing zip archive failed',
			ZipArchive::ER_SEEK        => 'Seek error',
			ZipArchive::ER_READ        => 'Read error',
			ZipArchive::ER_WRITE       => 'Write error',
			ZipArchive::ER_CRC         => 'CRC error',
			ZipArchive::ER_ZIPCLOSED   => 'Containing zip archive was closed',
			ZipArchive::ER_NOENT       => 'No such file',
			ZipArchive::ER_EXISTS      => 'File already exists',
			ZipArchive::ER_OPEN        => 'Can\'t open file',
			ZipArchive::ER_TMPOPEN     => 'Failure to create temporary file',
			ZipArchive::ER_ZLIB        => 'Zlib error',
			ZipArchive::ER_MEMORY      => 'Malloc failure',
			ZipArchive::ER_CHANGED     => 'Entry has been changed',
			ZipArchive::ER_COMPNOTSUPP => 'Compression method not supported',
			ZipArchive::ER_EOF         => 'Premature EOF',
			ZipArchive::ER_INVAL       => 'Invalid argument',
			ZipArchive::ER_NOZIP       => 'Not a zip archive',
			ZipArchive::ER_INTERNAL    => 'Internal error',
			ZipArchive::ER_INCONS      => 'Zip archive inconsistent',
			ZipArchive::ER_REMOVE      => 'Can\'t remove file',
			ZipArchive::ER_DELETED     => 'Entry has been deleted',
		);

if ( isset( $zip_err_msgs[ $error_code ] ) ) {
			return sprintf( '%s (%d)', $zip_err_msgs[ $error_code ], $error_code );
		}
		return $error_code;
	}

/**
	 * Return formatted error message from ProcessRun of tar command.
	 *
	 * @param Processrun $process_run
	 * @return string
	 */
	public static function tar_error_msg( $process_run ) {
		$stderr = trim( $process_run->stderr );
		$nl_pos = strpos( $stderr, "\n" );
		if ( false !== $nl_pos ) {
			$stderr = trim( substr( $stderr, 0, $nl_pos ) );
		}
		if ( $stderr ) {
			return sprintf( '%s (%d)', $stderr, $process_run->return_code );
		}
		return $process_run->return_code;
	}
}
<?php

namespace WP_CLI\Iterators;

/**
 * Iterates over results of a query, split into many queries via LIMIT and OFFSET
 *
 * @source https://gist.github.com/4060005
 */
class Query implements \Iterator {

private $chunk_size;
	private $query       = '';
	private $count_query = '';

private $global_index     = 0;
	private $index_in_results = 0;
	private $results          = array();
	private $row_count        = 0;
	private $offset           = 0;
	private $db               = null;
	private $depleted         = false;

/**
	 * Creates a new query iterator
	 *
	 * This will loop over all users, but will retrieve them 100 by 100:
	 * <code>
	 * foreach( new Iterators\Query( 'SELECT * FROM users', 100 ) as $user ) {
	 *     tickle( $user );
	 * }
	 * </code>
	 *
	 * @param string $query The query as a string. It shouldn't include any LIMIT clauses
	 * @param number $chunk_size How many rows to retrieve at once; default value is 500 (optional)
	 */
	public function __construct( $query, $chunk_size = 500 ) {
		$this->query = $query;

$this->count_query = preg_replace( '/^.*? FROM /', 'SELECT COUNT(*) FROM ', $query, 1, $replacements );
		if ( 1 !== $replacements ) {
			$this->count_query = '';
		}

$this->chunk_size = $chunk_size;

$this->db = $GLOBALS['wpdb'];
	}

/**
	 * Reduces the offset when the query row count shrinks
	 *
	 * In cases where the iterated rows are being updated such that they will no
	 * longer be returned by the original query, the offset must be reduced to
	 * iterate over all remaining rows.
	 */
	private function adjust_offset_for_shrinking_result_set() {
		if ( empty( $this->count_query ) ) {
			return;
		}

$row_count = $this->db->get_var( $this->count_query );

if ( $row_count < $this->row_count ) {
			$this->offset -= $this->row_count - $row_count;
		}

$this->row_count = $row_count;
	}

private function load_items_from_db() {
		$this->adjust_offset_for_shrinking_result_set();

$query         = $this->query . sprintf( ' LIMIT %d OFFSET %d', $this->chunk_size, $this->offset );
		$this->results = $this->db->get_results( $query );

if ( ! $this->results ) {
			if ( $this->db->last_error ) {
				throw new Exception( 'Database error: ' . $this->db->last_error );
			}

return false;
		}

$this->offset += $this->chunk_size;
		return true;
	}

public function current() {
		return $this->results[ $this->index_in_results ];
	}

public function key() {
		return $this->global_index;
	}

public function next() {
		$this->index_in_results++;
		$this->global_index++;
	}

public function rewind() {
		$this->results          = array();
		$this->global_index     = 0;
		$this->index_in_results = 0;
		$this->offset           = 0;
		$this->depleted         = false;
	}

public function valid() {
		if ( $this->depleted ) {
			return false;
		}

if ( ! isset( $this->results[ $this->index_in_results ] ) ) {
			$items_loaded = $this->load_items_from_db();

if ( ! $items_loaded ) {
				$this->rewind();
				$this->depleted = true;
				return false;
			}

$this->index_in_results = 0;
		}

return true;
	}
}

<?php

namespace WP_CLI\Iterators;

/**
 * Applies one or more callbacks to an item before returning it.
 */
class Transform extends \IteratorIterator {

private $transformers = array();

public function add_transform( $fn ) {
		$this->transformers[] = $fn;
	}

public function current() {
		$value = parent::current();

foreach ( $this->transformers as $fn ) {
			$value = call_user_func( $fn, $value );
		}

return $value;
	}
}

<?php

namespace WP_CLI\Iterators;

/**
 * @source https://gist.github.com/4060005
 */
class Table extends Query {

/**
	 * Creates an iterator over a database table.
	 *
	 * <code>
	 * foreach( new Iterators\Table( array( 'table' => $wpdb->posts, 'fields' => array( 'ID', 'post_content' ) ) ) as $post ) {
	 *     count_words_for( $post->ID, $post->post_content );
	 * }
	 * </code>
	 *
	 * <code>
	 * foreach( new Iterators\Table( array( 'table' => $wpdb->posts, 'where' => 'ID = 8 OR post_status = "publish"' ) ) as $post ) {
	 *     â€¦
	 * }
	 * </code>
	 *
	 * <code>
	 * foreach( new PostIterator( array( 'table' => $wpdb->posts, 'where' => array( 'post_status' => 'publish', 'post_date_gmt BETWEEN x AND y' ) ) ) as $post ) {
	 *     â€¦
	 * }
	 * </code>
	 *
	 *
	 * @param array $args Supported arguments:
	 *      table â€“ the name of the database table
	 *      fields â€“ an array of columns to get from the table, '*' is a valid value and the default
	 *      where â€“ conditions for filtering rows. Supports two formats:
	 *              = string â€“ this will be the where clause
	 *              = array â€“ each element is treated as a condition if it's positional, or as column => value if
	 *                it's a key/value pair. In the latter case the value is automatically quoted and escaped
	 *      append - add arbitrary extra SQL
	 */
	public function __construct( $args = array() ) {
		$defaults = array(
			'fields'     => '*',
			'where'      => array(),
			'append'     => '',
			'table'      => null,
			'chunk_size' => 500,
		);
		$table    = $args['table'];
		$args     = array_merge( $defaults, $args );

$fields     = self::build_fields( $args['fields'] );
		$conditions = self::build_where_conditions( $args['where'] );
		$where_sql  = $conditions ? " WHERE $conditions" : '';
		$query      = "SELECT $fields FROM `$table` $where_sql {$args['append']}";

parent::__construct( $query, $args['chunk_size'] );
	}

private static function build_fields( $fields ) {
		if ( '*' === $fields ) {
			return $fields;
		}

return implode(
			', ',
			array_map(
				function ( $v ) {
					return "`$v`";
				},
				$fields
			)
		);
	}

private static function build_where_conditions( $where ) {
		global $wpdb;
		if ( is_array( $where ) ) {
			$conditions = array();
			foreach ( $where as $key => $value ) {
				if ( is_array( $value ) ) {
					$conditions[] = $key . ' IN (' . esc_sql( implode( ',', $value ) ) . ')';
				} elseif ( is_numeric( $key ) ) {
					$conditions[] = $value;
				} else {
					$conditions[] = $key . $wpdb->prepare( ' = %s', $value );
				}
			}
			$where = implode( ' AND ', $conditions );
		}
		return $where;
	}
}

<?php

namespace WP_CLI\Iterators;

class Exception extends \RuntimeException {}

<?php

namespace WP_CLI\Iterators;

/**
 * Allows incrementally reading and parsing lines from a CSV file.
 */
class CSV implements \Iterator {

const ROW_SIZE = 4096;

private $filePointer;

private $delimiter;
	private $columns;

private $currentIndex;
	private $currentElement;

public function __construct( $filename, $delimiter = ',' ) {
		$this->filePointer = fopen( $filename, 'rb' );
		if ( ! $this->filePointer ) {
			\WP_CLI::error( sprintf( 'Could not open file: %s', $filename ) );
		}

$this->delimiter = $delimiter;
	}

public function rewind() {
		rewind( $this->filePointer );

$this->columns = fgetcsv( $this->filePointer, self::ROW_SIZE, $this->delimiter );

$this->currentIndex = -1;
		$this->next();
	}

public function current() {
		return $this->currentElement;
	}

public function key() {
		return $this->currentIndex;
	}

public function next() {
		$this->currentElement = false;

while ( true ) {
			$str = fgets( $this->filePointer );

if ( false === $str ) {
				break;
			}

$row = str_getcsv( $str, $this->delimiter );

$element = array();
			foreach ( $this->columns as $i => $key ) {
				if ( isset( $row[ $i ] ) ) {
					$element[ $key ] = $row[ $i ];
				}
			}

if ( ! empty( $element ) ) {
				$this->currentElement = $element;
				$this->currentIndex++;

break;
			}
		}
	}

public function valid() {
		return is_array( $this->currentElement );
	}
}

<?php

namespace WP_CLI;

use WP_CLI\Bootstrap\BootstrapState;

/**
 * Get the list of ordered steps that need to be processed to bootstrap WP-CLI.
 *
 * Each entry is a fully qualified class name for a class implementing the
 * `WP_CLI\Bootstrap\BootstrapStep` interface.
 *
 * @return string[]
 */
function get_bootstrap_steps() {
	return array(
		'WP_CLI\Bootstrap\LoadUtilityFunctions',
		'WP_CLI\Bootstrap\LoadDispatcher',
		'WP_CLI\Bootstrap\DeclareMainClass',
		'WP_CLI\Bootstrap\DeclareAbstractBaseCommand',
		'WP_CLI\Bootstrap\IncludeFrameworkAutoloader',
		'WP_CLI\Bootstrap\ConfigureRunner',
		'WP_CLI\Bootstrap\InitializeColorization',
		'WP_CLI\Bootstrap\InitializeLogger',
		'WP_CLI\Bootstrap\DefineProtectedCommands',
		'WP_CLI\Bootstrap\LoadRequiredCommand',
		'WP_CLI\Bootstrap\IncludePackageAutoloader',
		'WP_CLI\Bootstrap\IncludeFallbackAutoloader',
		'WP_CLI\Bootstrap\RegisterFrameworkCommands',
		'WP_CLI\Bootstrap\RegisterDeferredCommands',
		'WP_CLI\Bootstrap\LaunchRunner',
	);
}

/**
 * Register the classes needed for the bootstrap process.
 *
 * The Composer autoloader is not active yet at this point, so we need to use a
 * custom autoloader to fetch the bootstrap classes in a flexible way.
 */
function prepare_bootstrap() {
	require_once WP_CLI_ROOT . '/php/WP_CLI/Autoloader.php';

$autoloader = new Autoloader();

$autoloader->add_namespace(
		'WP_CLI\Bootstrap',
		WP_CLI_ROOT . '/php/WP_CLI/Bootstrap'
	)->register();
}

/**
 * Initialize and return the bootstrap state to pass from step to step.
 *
 * @return BootstrapState
 */
function initialize_bootstrap_state() {
	return new BootstrapState();
}

/**
 * Process the bootstrapping steps.
 *
 * Loops over each of the provided steps, instantiates it and then calls its
 * `process()` method.
 */
function bootstrap() {
	prepare_bootstrap();
	$state = initialize_bootstrap_state();

foreach ( get_bootstrap_steps() as $step ) {
		/** @var \WP_CLI\Bootstrap\BootstrapStep $step_instance */
		$step_instance = new $step();
		$state         = $step_instance->process( $state );
	}
}
<?php

// Can be used by plugins/themes to check if WP-CLI is running or not
define( 'WP_CLI', true );
define( 'WP_CLI_VERSION', trim( file_get_contents( WP_CLI_ROOT . '/VERSION' ) ) );
define( 'WP_CLI_START_MICROTIME', microtime( true ) );

if ( file_exists( WP_CLI_ROOT . '/vendor/autoload.php' ) ) {
	define( 'WP_CLI_VENDOR_DIR', WP_CLI_ROOT . '/vendor' );
} elseif ( file_exists( dirname( dirname( WP_CLI_ROOT ) ) . '/autoload.php' ) ) {
	define( 'WP_CLI_VENDOR_DIR', dirname( dirname( WP_CLI_ROOT ) ) );
} elseif ( file_exists( dirname( WP_CLI_ROOT ) . '/vendor/autoload.php' ) ) {
	define( 'WP_CLI_VENDOR_DIR', dirname( WP_CLI_ROOT ) . '/vendor' );
} else {
	define( 'WP_CLI_VENDOR_DIR', WP_CLI_ROOT . '/vendor' );
}

// Set common headers, to prevent warnings from plugins
$_SERVER['SERVER_PROTOCOL'] = 'HTTP/1.0';
$_SERVER['HTTP_USER_AGENT'] = '';
$_SERVER['REQUEST_METHOD']  = 'GET';
$_SERVER['REMOTE_ADDR']     = '127.0.0.1';

require_once WP_CLI_ROOT . '/php/bootstrap.php';
\WP_CLI\bootstrap();
<?php

if ( ! class_exists( 'Help_Command' ) ) {
	require_once __DIR__ . '/src/Help_Command.php';
}

WP_CLI::add_command( 'help', 'Help_Command' );
<?php

if ( ! class_exists( 'CLI_Command' ) ) {
	require_once __DIR__ . '/src/CLI_Command.php';
}

if ( ! class_exists( 'CLI_Cache_Command' ) ) {
	require_once __DIR__ . '/src/CLI_Cache_Command.php';
}

WP_CLI::add_command( 'cli', 'CLI_Command' );

WP_CLI::add_command( 'cli cache', 'CLI_Cache_Command' );
<?php

use WP_CLI\Utils;
use WP_CLI\Dispatcher;

class Help_Command extends WP_CLI_Command {

/**
	 * Get help on WP-CLI, or on a specific command.
	 *
	 * ## OPTIONS
	 *
	 * [<command>...]
	 * : Get help on a specific command.
	 *
	 * ## EXAMPLES
	 *
	 *     # get help for `core` command
	 *     wp help core
	 *
	 *     # get help for `core download` subcommand
	 *     wp help core download
	 */
	public function __invoke( $args, $assoc_args ) {
		$r = WP_CLI::get_runner()->find_command_to_run( $args );

if ( is_array( $r ) ) {
			list( $command ) = $r;

self::show_help( $command );
			exit;
		}
	}

private static function show_help( $command ) {
		$out = self::get_initial_markdown( $command );

// Remove subcommands if in columns - will wordwrap separately.
		$subcommands       = '';
		$column_subpattern = '[ \t]+[^\t]+\t+';
		if ( preg_match( '/(^## SUBCOMMANDS[^\n]*\n+' . $column_subpattern . '.+?)(?:^##|\z)/ms', $out, $matches, PREG_OFFSET_CAPTURE ) ) {
			$subcommands        = $matches[1][0];
			$subcommands_header = "## SUBCOMMANDS\n";
			$out                = substr_replace( $out, $subcommands_header, $matches[1][1], strlen( $subcommands ) );
		}

$out .= self::parse_reference_links( $command->get_longdesc() );

// definition lists
		$out = preg_replace_callback( '/([^\n]+)\n: (.+?)(\n\n|$)/s', array( __CLASS__, 'rewrap_param_desc' ), $out );

// Ensure lines with no leading whitespace that aren't section headers are indented.
		$out = preg_replace( '/^((?! |\t|##).)/m', "\t$1", $out );

$tab = str_repeat( ' ', 2 );

// Need to de-tab for wordwrapping to work properly.
		$out = str_replace( "\t", $tab, $out );

$wordwrap_width = \cli\Shell::columns();

// Wordwrap with indent.
		$out = preg_replace_callback(
			'/^( *)([^\n]+)\n/m',
			function ( $matches ) use ( $wordwrap_width ) {
				return $matches[1] . str_replace( "\n", "\n{$matches[1]}", wordwrap( $matches[2], $wordwrap_width - strlen( $matches[1] ) ) ) . "\n";
			},
			$out
		);

if ( $subcommands ) {
			// Wordwrap with column indent.
			$subcommands = preg_replace_callback(
				'/^(' . $column_subpattern . ')([^\n]+)\n/m',
				function ( $matches ) use ( $wordwrap_width, $tab ) {
					// Need to de-tab for wordwrapping to work properly.
					$matches[1]  = str_replace( "\t", $tab, $matches[1] );
					$matches[2]  = str_replace( "\t", $tab, $matches[2] );
					$padding_len = strlen( $matches[1] );
					$padding     = str_repeat( ' ', $padding_len );
					return $matches[1] . str_replace( "\n", "\n$padding", wordwrap( $matches[2], $wordwrap_width - $padding_len ) ) . "\n";
				},
				$subcommands
			);

// Put subcommands back.
			$out = str_replace( $subcommands_header, $subcommands, $out );
		}

// section headers
		$out = preg_replace( '/^## ([A-Z ]+)/m', WP_CLI::colorize( '%9\1%n' ), $out );

self::pass_through_pager( $out );
	}

private static function rewrap_param_desc( $matches ) {
		$param = $matches[1];
		$desc  = self::indent( "\t\t", $matches[2] );
		return "\t$param\n$desc\n\n";
	}

private static function indent( $whitespace, $text ) {
		$lines = explode( "\n", $text );
		foreach ( $lines as &$line ) {
			$line = $whitespace . $line;
		}
		return implode( $lines, "\n" );
	}

private static function pass_through_pager( $out ) {

if ( ! Utils\check_proc_available( null /*context*/, true /*return*/ ) ) {
			WP_CLI::line( $out );
			WP_CLI::debug( 'Warning: check_proc_available() failed in pass_through_pager().', 'help' );
			return -1;
		}

$pager = getenv( 'PAGER' );
		if ( false === $pager ) {
			$pager = Utils\is_windows() ? 'more' : 'less -r';
		}

// For Windows 7 need to set code page to something other than Unicode (65001) to get around "Not enough memory." error with `more.com` on PHP 7.1+.
		if ( 'more' === $pager && defined( 'PHP_WINDOWS_VERSION_MAJOR' ) && PHP_WINDOWS_VERSION_MAJOR < 10 && function_exists( 'sapi_windows_cp_set' ) ) {
			// Note will also apply to Windows 8 (see http://msdn.microsoft.com/en-us/library/windows/desktop/ms724832.aspx) but probably harmless anyway.
			$cp = getenv( 'WP_CLI_WINDOWS_CODE_PAGE' ) ?: 1252; // Code page 1252 is the most used so probably the most compat.
			sapi_windows_cp_set( $cp ); // `sapi_windows_cp_set()` introduced PHP 7.1.
		}

// convert string to file handle
		$fd = fopen( 'php://temp', 'r+b' );
		fwrite( $fd, $out );
		rewind( $fd );

$descriptorspec = array(
			0 => $fd,
			1 => STDOUT,
			2 => STDERR,
		);

return proc_close( Utils\proc_open_compat( $pager, $descriptorspec, $pipes ) );
	}

private static function get_initial_markdown( $command ) {
		$name = implode( ' ', Dispatcher\get_path( $command ) );

$binding = array(
			'name'      => $name,
			'shortdesc' => $command->get_shortdesc(),
		);

$binding['synopsis'] = "$name " . $command->get_synopsis();

$alias = $command->get_alias();
		if ( $alias ) {
			$binding['alias'] = $alias;
		}

if ( $command->can_have_subcommands() ) {
			$binding['has-subcommands']['subcommands'] = self::render_subcommands( $command );
		}

return Utils\mustache_render( 'man.mustache', $binding );
	}

private static function render_subcommands( $command ) {
		$subcommands = array();
		foreach ( $command->get_subcommands() as $subcommand ) {

if ( WP_CLI::get_runner()->is_command_disabled( $subcommand ) ) {
				continue;
			}

$subcommands[ $subcommand->get_name() ] = $subcommand->get_shortdesc();
		}

$max_len = self::get_max_len( array_keys( $subcommands ) );

$lines = array();
		foreach ( $subcommands as $name => $desc ) {
			$lines[] = str_pad( $name, $max_len ) . "\t\t\t" . $desc;
		}

return $lines;
	}

private static function get_max_len( $strings ) {
		$max_len = 0;
		foreach ( $strings as $str ) {
			$len = strlen( $str );
			if ( $len > $max_len ) {
				$max_len = $len;
			}
		}

return $max_len;
	}

/**
	 * Parse reference links from longdescription.
	 *
	 * @param  string $longdesc The longdescription from the `$command->get_longdesc()`.
	 * @return string The longdescription which has links as footnote.
	 */
	private static function parse_reference_links( $longdesc ) {
		$description = '';
		foreach ( explode( "\n", $longdesc ) as $line ) {
			if ( 0 === strpos( $line, '#' ) ) {
				break;
			}
			$description .= $line . "\n";
		}

// Fires if it has description text at the head of `$longdesc`.
		if ( $description ) {
			$links   = array(); // An array of URLs from the description.
			$pattern = '/\[.+?\]$(https?:\/\/.+?)$/';
			$newdesc = preg_replace_callback(
				$pattern,
				function( $matches ) use ( &$links ) {
					static $count = 0;
					$count++;
					$links[] = $matches[1];
					return str_replace( '(' . $matches[1] . ')', '[' . $count . ']', $matches[0] );
				},
				$description
			);

$footnote   = '';
			$link_count = count( $links );
			for ( $i = 0; $i < $link_count; $i++ ) {
				$n         = $i + 1;
				$footnote .= '[' . $n . '] ' . $links[ $i ] . "\n";
			}

if ( $footnote ) {
				$newdesc  = trim( $newdesc ) . "\n\n---\n" . $footnote;
				$longdesc = str_replace( trim( $description ), trim( $newdesc ), $longdesc );
			}
		}

return $longdesc;
	}
}
<?php

/**
 * Manages the internal WP-CLI cache,.
 *
 * ## EXAMPLES
 *
 *     # Remove all cached files.
 *     $ wp cli cache clear
 *     Success: Cache cleared.
 *
 *     # Remove all cached files except for the newest version of each one.
 *     $ wp cli cache prune
 *     Success: Cache pruned.
 *
 * @when before_wp_load
 */
class CLI_Cache_Command extends WP_CLI_Command {

/**
	 * Clear the internal cache.
	 *
	 * ## EXAMPLES
	 *
	 *     $ wp cli cache clear
	 *     Success: Cache cleared.
	 *
	 * @subcommand clear
	 */
	public function cache_clear() {
		$cache = WP_CLI::get_cache();

if ( ! $cache->is_enabled() ) {
			WP_CLI::error( 'Cache directory does not exist.' );
		}

$cache->clear();

WP_CLI::success( 'Cache cleared.' );
	}

/**
	 * Prune the internal cache.
	 *
	 * Removes all cached files except for the newest version of each one.
	 *
	 * ## EXAMPLES
	 *
	 *     $ wp cli cache prune
	 *     Success: Cache pruned.
	 *
	 * @subcommand prune
	 */
	public function cache_prune() {
		$cache = WP_CLI::get_cache();

if ( ! $cache->is_enabled() ) {
			WP_CLI::error( 'Cache directory does not exist.' );
		}

$cache->prune();

WP_CLI::success( 'Cache pruned.' );
	}
}
<?php

use \Composer\Semver\Comparator;
use \WP_CLI\Utils;

/**
 * Review current WP-CLI info, check for updates, or see defined aliases.
 *
 * ## EXAMPLES
 *
 *     # Display the version currently installed.
 *     $ wp cli version
 *     WP-CLI 0.24.1
 *
 *     # Check for updates to WP-CLI.
 *     $ wp cli check-update
 *     Success: WP-CLI is at the latest version.
 *
 *     # Update WP-CLI to the latest stable release.
 *     $ wp cli update
 *     You have version 0.24.0. Would you like to update to 0.24.1? [y/n] y
 *     Downloading from https://github.com/wp-cli/wp-cli/releases/download/v0.24.1/wp-cli-0.24.1.phar...
 *     New version works. Proceeding to replace.
 *     Success: Updated WP-CLI to 0.24.1.
 *
 *     # Clear the internal WP-CLI cache.
 *     $ wp cli cache clear
 *     Success: Cache cleared.
 *
 * @when before_wp_load
 */
class CLI_Command extends WP_CLI_Command {

private function command_to_array( $command ) {
		$dump = array(
			'name'        => $command->get_name(),
			'description' => $command->get_shortdesc(),
			'longdesc'    => $command->get_longdesc(),
		);

foreach ( $command->get_subcommands() as $subcommand ) {
			$dump['subcommands'][] = $this->command_to_array( $subcommand );
		}

if ( empty( $dump['subcommands'] ) ) {
			$dump['synopsis'] = (string) $command->get_synopsis();
		}

return $dump;
	}

/**
	 * Print WP-CLI version.
	 *
	 * ## EXAMPLES
	 *
	 *     # Display CLI version.
	 *     $ wp cli version
	 *     WP-CLI 0.24.1
	 */
	public function version() {
		WP_CLI::line( 'WP-CLI ' . WP_CLI_VERSION );
	}

/**
	 * Print various details about the WP-CLI environment.
	 *
	 * Helpful for diagnostic purposes, this command shares:
	 *
	 * * OS information.
	 * * Shell information.
	 * * PHP binary used.
	 * * PHP binary version.
	 * * php.ini configuration file used (which is typically different than web).
	 * * WP-CLI root dir: where WP-CLI is installed (if non-Phar install).
	 * * WP-CLI global config: where the global config YAML file is located.
	 * * WP-CLI project config: where the project config YAML file is located.
	 * * WP-CLI version: currently installed version.
	 *
	 * See [config docs](https://wp-cli.org/config/) for more details on global
	 * and project config YAML files.
	 *
	 * ## OPTIONS
	 *
	 * [--format=<format>]
	 * : Render output in a particular format.
	 * ---
	 * default: list
	 * options:
	 *   - list
	 *   - json
	 * ---
	 *
	 * ## EXAMPLES
	 *
	 *     # Display various data about the CLI environment.
	 *     $ wp cli info
	 *     OS:  Linux 4.10.0-42-generic #46~16.04.1-Ubuntu SMP Mon Dec 4 15:57:59 UTC 2017 x86_64
	 *     Shell:   /usr/bin/zsh
	 *     PHP binary:  /usr/bin/php
	 *     PHP version: 7.1.12-1+ubuntu16.04.1+deb.sury.org+1
	 *     php.ini used:    /etc/php/7.1/cli/php.ini
	 *     WP-CLI root dir:    phar://wp-cli.phar
	 *     WP-CLI packages dir:    /home/person/.wp-cli/packages/
	 *     WP-CLI global config:
	 *     WP-CLI project config:
	 *     WP-CLI version: 1.5.0
	 */
	public function info( $_, $assoc_args ) {
		$php_bin = Utils\get_php_binary();

// php_uname() $mode argument was only added with PHP 7.0+. Fall back to
		// entire string for older versions.
		$system_os = PHP_MAJOR_VERSION < 7
			? php_uname()
			: sprintf(
				'%s %s %s %s',
				php_uname( 's' ),
				php_uname( 'r' ),
				php_uname( 'v' ),
				php_uname( 'm' )
			);

$shell = getenv( 'SHELL' );
		if ( ! $shell && Utils\is_windows() ) {
			$shell = getenv( 'ComSpec' );
		}

$runner = WP_CLI::get_runner();

$packages_dir = $runner->get_packages_dir_path();
		if ( ! is_dir( $packages_dir ) ) {
			$packages_dir = null;
		}
		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'format' ) === 'json' ) {
			$info = array(
				'php_binary_path'          => $php_bin,
				'global_config_path'       => $runner->global_config_path,
				'project_config_path'      => $runner->project_config_path,
				'wp_cli_dir_path'          => WP_CLI_ROOT,
				'wp_cli_packages_dir_path' => $packages_dir,
				'wp_cli_version'           => WP_CLI_VERSION,
				'system_os'                => $system_os,
				'shell'                    => $shell,
			);

WP_CLI::line( json_encode( $info ) );
		} else {
			WP_CLI::line( "OS:\t" . $system_os );
			WP_CLI::line( "Shell:\t" . $shell );
			WP_CLI::line( "PHP binary:\t" . $php_bin );
			WP_CLI::line( "PHP version:\t" . PHP_VERSION );
			WP_CLI::line( "php.ini used:\t" . get_cfg_var( 'cfg_file_path' ) );
			WP_CLI::line( "WP-CLI root dir:\t" . WP_CLI_ROOT );
			WP_CLI::line( "WP-CLI vendor dir:\t" . WP_CLI_VENDOR_DIR );
			WP_CLI::line( "WP_CLI phar path:\t" . ( defined( 'WP_CLI_PHAR_PATH' ) ? WP_CLI_PHAR_PATH : '' ) );
			WP_CLI::line( "WP-CLI packages dir:\t" . $packages_dir );
			WP_CLI::line( "WP-CLI global config:\t" . $runner->global_config_path );
			WP_CLI::line( "WP-CLI project config:\t" . $runner->project_config_path );
			WP_CLI::line( "WP-CLI version:\t" . WP_CLI_VERSION );
		}
	}

/**
	 * Check to see if there is a newer version of WP-CLI available.
	 *
	 * Queries the Github releases API. Returns available versions if there are
	 * updates available, or success message if using the latest release.
	 *
	 * ## OPTIONS
	 *
	 * [--patch]
	 * : Only list patch updates.
	 *
	 * [--minor]
	 * : Only list minor updates.
	 *
	 * [--major]
	 * : Only list major updates.
	 *
	 * [--field=<field>]
	 * : Prints the value of a single field for each update.
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific object fields. Defaults to version,update_type,package_url.
	 *
	 * [--format=<format>]
	 * : Render output in a particular format.
	 * ---
	 * default: table
	 * options:
	 *   - table
	 *   - csv
	 *   - json
	 *   - count
	 *   - yaml
	 * ---
	 *
	 * ## EXAMPLES
	 *
	 *     # Check for update.
	 *     $ wp cli check-update
	 *     Success: WP-CLI is at the latest version.
	 *
	 *     # Check for update and new version is available.
	 *     $ wp cli check-update
	 *     +---------+-------------+-------------------------------------------------------------------------------+
	 *     | version | update_type | package_url                                                                   |
	 *     +---------+-------------+-------------------------------------------------------------------------------+
	 *     | 0.24.1  | patch       | https://github.com/wp-cli/wp-cli/releases/download/v0.24.1/wp-cli-0.24.1.phar |
	 *     +---------+-------------+-------------------------------------------------------------------------------+
	 *
	 * @subcommand check-update
	 */
	public function check_update( $_, $assoc_args ) {
		$updates = $this->get_updates( $assoc_args );

if ( $updates ) {
			$formatter = new \WP_CLI\Formatter(
				$assoc_args,
				array( 'version', 'update_type', 'package_url' )
			);
			$formatter->display_items( $updates );
		} elseif ( empty( $assoc_args['format'] ) || 'table' === $assoc_args['format'] ) {
			$update_type = $this->get_update_type_str( $assoc_args );
			WP_CLI::success( "WP-CLI is at the latest{$update_type}version." );
		}
	}

/**
	 * Update WP-CLI to the latest release.
	 *
	 * Default behavior is to check the releases API for the newest stable
	 * version, and prompt if one is available.
	 *
	 * Use `--stable` to install or reinstall the latest stable version.
	 *
	 * Use `--nightly` to install the latest built version of the master branch.
	 * While not recommended for production, nightly contains the latest and
	 * greatest, and should be stable enough for development and staging
	 * environments.
	 *
	 * Only works for the Phar installation mechanism.
	 *
	 * ## OPTIONS
	 *
	 * [--patch]
	 * : Only perform patch updates.
	 *
	 * [--minor]
	 * : Only perform minor updates.
	 *
	 * [--major]
	 * : Only perform major updates.
	 *
	 * [--stable]
	 * : Update to the latest stable release. Skips update check.
	 *
	 * [--nightly]
	 * : Update to the latest built version of the master branch. Potentially unstable.
	 *
	 * [--yes]
	 * : Do not prompt for confirmation.
	 *
	 * ## EXAMPLES
	 *
	 *     # Update CLI.
	 *     $ wp cli update
	 *     You have version 0.24.0. Would you like to update to 0.24.1? [y/n] y
	 *     Downloading from https://github.com/wp-cli/wp-cli/releases/download/v0.24.1/wp-cli-0.24.1.phar...
	 *     New version works. Proceeding to replace.
	 *     Success: Updated WP-CLI to 0.24.1.
	 */
	public function update( $_, $assoc_args ) {
		if ( ! Utils\inside_phar() ) {
			WP_CLI::error( 'You can only self-update Phar files.' );
		}

$old_phar = realpath( $_SERVER['argv'][0] );

if ( ! is_writable( $old_phar ) ) {
			WP_CLI::error( sprintf( '%s is not writable by current user.', $old_phar ) );
		} elseif ( ! is_writable( dirname( $old_phar ) ) ) {
			WP_CLI::error( sprintf( '%s is not writable by current user.', dirname( $old_phar ) ) );
		}

if ( Utils\get_flag_value( $assoc_args, 'nightly' ) ) {
			WP_CLI::confirm( sprintf( 'You have version %s. Would you like to update to the latest nightly?', WP_CLI_VERSION ), $assoc_args );
			$download_url = 'https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli-nightly.phar';
			$md5_url      = 'https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli-nightly.phar.md5';
		} elseif ( Utils\get_flag_value( $assoc_args, 'stable' ) ) {
			WP_CLI::confirm( sprintf( 'You have version %s. Would you like to update to the latest stable release?', WP_CLI_VERSION ), $assoc_args );
			$download_url = 'https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar';
			$md5_url      = 'https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar.md5';
		} else {

$updates = $this->get_updates( $assoc_args );

if ( empty( $updates ) ) {
				$update_type = $this->get_update_type_str( $assoc_args );
				WP_CLI::success( "WP-CLI is at the latest{$update_type}version." );
				return;
			}

$newest = $updates[0];

WP_CLI::confirm( sprintf( 'You have version %s. Would you like to update to %s?', WP_CLI_VERSION, $newest['version'] ), $assoc_args );

$download_url = $newest['package_url'];
			$md5_url      = str_replace( '.phar', '.phar.md5', $download_url );
		}

WP_CLI::log( sprintf( 'Downloading from %s...', $download_url ) );

$temp = \WP_CLI\Utils\get_temp_dir() . uniqid( 'wp_', true ) . '.phar';

$headers = array();
		$options = array(
			'timeout'  => 600,  // 10 minutes ought to be enough for everybody.
			'filename' => $temp,
		);

Utils\http_request( 'GET', $download_url, null, $headers, $options );

$md5_response = Utils\http_request( 'GET', $md5_url );
		if ( '20' !== substr( $md5_response->status_code, 0, 2 ) ) {
			WP_CLI::error( "Couldn't access md5 hash for release (HTTP code {$md5_response->status_code})." );
		}
		$md5_file     = md5_file( $temp );
		$release_hash = trim( $md5_response->body );
		if ( $md5_file === $release_hash ) {
			WP_CLI::log( 'md5 hash verified: ' . $release_hash );
		} else {
			WP_CLI::error( "md5 hash for download ({$md5_file}) is different than the release hash ({$release_hash})." );
		}

$allow_root = WP_CLI::get_runner()->config['allow-root'] ? '--allow-root' : '';
		$php_binary = Utils\get_php_binary();
		$process    = WP_CLI\Process::create( "{$php_binary} $temp --info {$allow_root}" );
		$result     = $process->run();
		if ( 0 !== $result->return_code || false === stripos( $result->stdout, 'WP-CLI version' ) ) {
			$multi_line = explode( PHP_EOL, $result->stderr );
			WP_CLI::error_multi_line( $multi_line );
			WP_CLI::error( 'The downloaded PHAR is broken, try running wp cli update again.' );
		}

WP_CLI::log( 'New version works. Proceeding to replace.' );

$mode = fileperms( $old_phar ) & 511;

if ( false === chmod( $temp, $mode ) ) {
			WP_CLI::error( sprintf( 'Cannot chmod %s.', $temp ) );
		}

class_exists( '\cli\Colors' ); // This autoloads \cli\Colors - after we move the file we no longer have access to this class.

if ( false === rename( $temp, $old_phar ) ) {
			WP_CLI::error( sprintf( 'Cannot move %s to %s', $temp, $old_phar ) );
		}

if ( Utils\get_flag_value( $assoc_args, 'nightly' ) ) {
			$updated_version = 'the latest nightly release';
		} elseif ( Utils\get_flag_value( $assoc_args, 'stable' ) ) {
			$updated_version = 'the latest stable release';
		} else {
			$updated_version = $newest['version'];
		}
		WP_CLI::success( sprintf( 'Updated WP-CLI to %s.', $updated_version ) );
	}

/**
	 * Returns update information.
	 */
	private function get_updates( $assoc_args ) {
		$url = 'https://api.github.com/repos/wp-cli/wp-cli/releases?per_page=100';

$options = array(
			'timeout' => 30,
		);

$headers = array(
			'Accept' => 'application/json',
		);

$github_token = getenv( 'GITHUB_TOKEN' );
		if ( false !== $github_token ) {
			$headers['Authorization'] = 'token ' . $github_token;
		}

$response = Utils\http_request( 'GET', $url, null, $headers, $options );

if ( ! $response->success || 200 !== $response->status_code ) {
			WP_CLI::error( sprintf( 'Failed to get latest version (HTTP code %d).', $response->status_code ) );
		}

$release_data = json_decode( $response->body );

$updates = array(
			'major' => false,
			'minor' => false,
			'patch' => false,
		);
		foreach ( $release_data as $release ) {

// Get rid of leading "v" if there is one set.
			$release_version = $release->tag_name;
			if ( 'v' === substr( $release_version, 0, 1 ) ) {
				$release_version = ltrim( $release_version, 'v' );
			}

$update_type = Utils\get_named_sem_ver( $release_version, WP_CLI_VERSION );
			if ( ! $update_type ) {
				continue;
			}

if ( ! isset( $release->assets[0]->browser_download_url ) ) {
				continue;
			}

if ( ! empty( $updates[ $update_type ] ) && ! Comparator::greaterThan( $release_version, $updates[ $update_type ]['version'] ) ) {
				continue;
			}

$updates[ $update_type ] = array(
				'version'     => $release_version,
				'update_type' => $update_type,
				'package_url' => $release->assets[0]->browser_download_url,
			);
		}

foreach ( $updates as $type => $value ) {
			if ( empty( $value ) ) {
				unset( $updates[ $type ] );
			}
		}

foreach ( array( 'major', 'minor', 'patch' ) as $type ) {
			if ( true === \WP_CLI\Utils\get_flag_value( $assoc_args, $type ) ) {
				return ! empty( $updates[ $type ] ) ? array( $updates[ $type ] ) : false;
			}
		}

if ( empty( $updates ) && preg_match( '#-alpha-(.+)$#', WP_CLI_VERSION, $matches ) ) {
			$version_url = 'https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/NIGHTLY_VERSION';
			$response    = Utils\http_request( 'GET', $version_url );
			if ( ! $response->success || 200 !== $response->status_code ) {
				WP_CLI::error( sprintf( 'Failed to get current nightly version (HTTP code %d)', $response->status_code ) );
			}
			$nightly_version = trim( $response->body );
			if ( WP_CLI_VERSION !== $nightly_version ) {
				$updates['nightly'] = array(
					'version'     => $nightly_version,
					'update_type' => 'nightly',
					'package_url' => 'https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli-nightly.phar',
				);
			}
		}

return array_values( $updates );
	}

/**
	 * Dump the list of global parameters, as JSON or in var_export format.
	 *
	 * ## OPTIONS
	 *
	 * [--with-values]
	 * : Display current values also.
	 *
	 * [--format=<format>]
	 * : Render output in a particular format.
	 * ---
	 * default: json
	 * options:
	 *   - var_export
	 *   - json
	 * ---
	 *
	 * ## EXAMPLES
	 *
	 *     # Dump the list of global parameters.
	 *     $ wp cli param-dump --format=var_export
	 *     array (
	 *       'path' =>
	 *       array (
	 *         'runtime' => '=<path>',
	 *         'file' => '<path>',
	 *         'synopsis' => '',
	 *         'default' => NULL,
	 *         'multiple' => false,
	 *         'desc' => 'Path to the WordPress files.',
	 *       ),
	 *       'url' =>
	 *       array (
	 *
	 * @subcommand param-dump
	 */
	public function param_dump( $_, $assoc_args ) {
		$spec = \WP_CLI::get_configurator()->get_spec();

if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'with-values' ) ) {
			$config = \WP_CLI::get_configurator()->to_array();
			// Copy current config values to $spec
			foreach ( $spec as $key => $value ) {
				$current = null;
				if ( isset( $config[0][ $key ] ) ) {
					$current = $config[0][ $key ];
				}
				$spec[ $key ]['current'] = $current;
			}
		}

if ( 'var_export' === \WP_CLI\Utils\get_flag_value( $assoc_args, 'format' ) ) {
			var_export( $spec );
		} else {
			echo json_encode( $spec );
		}
	}

/**
	 * Dump the list of installed commands, as JSON.
	 *
	 * ## EXAMPLES
	 *
	 *     # Dump the list of installed commands.
	 *     $ wp cli cmd-dump
	 *     {"name":"wp","description":"Manage WordPress through the command-line.","longdesc":"\n\n## GLOBAL PARAMETERS\n\n  --path=<path>\n      Path to the WordPress files.\n\n  --ssh=<ssh>\n      Perform operation against a remote server over SSH (or a container using scheme of "docker" or "docker-compose").\n\n  --url=<url>\n      Pretend request came from given URL. In multisite, this argument is how the target site is specified. \n\n  --user=<id|login|email>\n
	 *
	 * @subcommand cmd-dump
	 */
	public function cmd_dump() {
		echo json_encode( $this->command_to_array( WP_CLI::get_root_command() ) );
	}

/**
	 * Generate tab completion strings.
	 *
	 * ## OPTIONS
	 *
	 * --line=<line>
	 * : The current command line to be executed.
	 *
	 * --point=<point>
	 * : The index to the current cursor position relative to the beginning of the command.
	 *
	 * ## EXAMPLES
	 *
	 *     # Generate tab completion strings.
	 *     $ wp cli completions --line='wp eva' --point=100
	 *     eval
	 *     eval-file
	 */
	public function completions( $_, $assoc_args ) {
		$line  = substr( $assoc_args['line'], 0, $assoc_args['point'] );
		$compl = new \WP_CLI\Completions( $line );
		$compl->render();
	}

/**
	 * List available WP-CLI aliases.
	 *
	 * Aliases are shorthand references to WordPress installations. For instance,
	 * `@dev` could refer to a development installation and `@prod` could refer
	 * to a production installation. This command gives you visibility in what
	 * registered aliases you have available.
	 *
	 * ## OPTIONS
	 *
	 * [--format=<format>]
	 * : Render output in a particular format.
	 * ---
	 * default: yaml
	 * options:
	 *   - yaml
	 *   - json
	 *   - var_export
	 * ---
	 *
	 * ## EXAMPLES
	 *
	 *     # List all available aliases.
	 *     $ wp cli alias
	 *     ---
	 *
	 *     @all: Run command against every registered alias.
	 *     @prod:
	 *       ssh: runcommand@runcommand.io~/webapps/production
	 *     @dev:
	 *       ssh: vagrant@192.168.50.10/srv/www/runcommand.dev
	 *     @both:
	 *       - @prod
	 *       - @dev
	 *
	 * @alias aliases
	 */
	public function alias( $_, $assoc_args ) {
		WP_CLI::print_value( WP_CLI::get_runner()->aliases, $assoc_args );
	}

/**
	 * Get a string representing the type of update being checked for.
	 */
	private function get_update_type_str( $assoc_args ) {
		$update_type = ' ';
		foreach ( array( 'major', 'minor', 'patch' ) as $type ) {
			if ( true === \WP_CLI\Utils\get_flag_value( $assoc_args, $type ) ) {
				$update_type = ' ' . $type . ' ';
				break;
			}
		}
		return $update_type;
	}

/**
	 * Detects if a command exists
	 *
	 * This commands checks if a command is registered with WP-CLI.
	 * If the command is found then it returns with exit status 0.
	 * If the command doesn't exist, then it will exit with status 1.
	 *
	 * ## OPTIONS
	 * <command_name>...
	 * : The command
	 *
	 * ## EXAMPLES
	 *
	 *     # The "site delete" command is registered.
	 *     $ wp cli has-command "site delete"
	 *     $ echo $?
	 *     0
	 *
	 *     # The "foo bar" command is not registered.
	 *     $ wp cli has-command "foo bar"
	 *     $ echo $?
	 *     1
	 *
	 * @subcommand has-command
	 *
	 * @when after_wp_load
	 */
	public function has_command( $_, $assoc_args ) {

// If command is input as a string, then explode it into array.
		$command = explode( ' ', implode( ' ', $_ ) );

WP_CLI::halt( is_array( WP_CLI::get_runner()->find_command_to_run( $command ) ) ? 0 : 1 );
	}
}
<?php

/**
 * Base class for WP-CLI commands
 *
 * @package wp-cli
 */
abstract class WP_CLI_Command {

public function __construct() {}
}

<?php
/**
 * A modified version of wp-settings.php, tailored for CLI use.
 */

use \WP_CLI\Utils;

/**
 * Stores the location of the WordPress directory of functions, classes, and core content.
 *
 * @since 1.0.0
 */
define( 'WPINC', 'wp-includes' );

// Include files required for initialization.
require ABSPATH . WPINC . '/load.php';
require ABSPATH . WPINC . '/default-constants.php';
require ABSPATH . WPINC . '/plugin.php';

/*
 * These can't be directly globalized in version.php. When updating,
 * we're including version.php from another installation and don't want
 * these values to be overridden if already set.
 */
global $wp_version, $wp_db_version, $tinymce_version, $required_php_version, $required_mysql_version, $wp_local_package;
require ABSPATH . WPINC . '/version.php';

/**
 * If not already configured, `$blog_id` will default to 1 in a single site
 * configuration. In multisite, it will be overridden by default in ms-settings.php.
 *
 * @global int $blog_id
 * @since 2.0.0
 */
global $blog_id;

// Set initial default constants including WP_MEMORY_LIMIT, WP_MAX_MEMORY_LIMIT, WP_DEBUG, WP_CONTENT_DIR and WP_CACHE.
wp_initial_constants();

// Check for the required PHP version and for the MySQL extension or a database drop-in.
wp_check_php_mysql_versions();

// Disable magic quotes at runtime. Magic quotes are added using wpdb later in wp-settings.php.
ini_set( 'magic_quotes_runtime', 0 );
ini_set( 'magic_quotes_sybase', 0 );

// WordPress calculates offsets from UTC.
date_default_timezone_set( 'UTC' );

// Turn register_globals off.
wp_unregister_GLOBALS();

// Standardize $_SERVER variables across setups.
wp_fix_server_vars();

// Check if we're in maintenance mode.
// WP-CLI: run enable_maintenance_mode filter early for compat with < WP 4.6
/**
 * Filters whether to enable maintenance mode.
 *
 * This filter runs before it can be used by plugins. It is designed for
 * non-web runtimes. If this filter returns true, maintenance mode will be
 * active and the request will end. If false, the request will be allowed to
 * continue processing even if maintenance mode should be active.
 *
 * @since 4.6.0
 *
 * @param bool $enable_checks Whether to enable maintenance mode. Default true.
 * @param int  $upgrading     The timestamp set in the .maintenance file.
 */
if ( apply_filters( 'enable_maintenance_mode', true ) ) {
	wp_maintenance();
}

// Start loading timer.
timer_start();

// WP-CLI: run enable_wp_debug_mode_checks filter early for compat with < WP 4.6
/**
 * Filters whether to allow the debug mode check to occur.
 *
 * This filter runs before it can be used by plugins. It is designed for
 * non-web run-times. Returning false causes the `WP_DEBUG` and related
 * constants to not be checked and the default php values for errors
 * will be used unless you take care to update them yourself.
 *
 * @since 4.6.0
 *
 * @param bool $enable_debug_mode Whether to enable debug mode checks to occur. Default true.
 */
if ( apply_filters( 'enable_wp_debug_mode_checks', true ) ) {
	wp_debug_mode();
}

/**
 * Filters whether to enable loading of the advanced-cache.php drop-in.
 *
 * This filter runs before it can be used by plugins. It is designed for non-web
 * run-times. If false is returned, advance-cache.php will never be loaded.
 *
 * @since 4.6.0
 *
 * @param bool $enable_advanced_cache Whether to enable loading advanced-cache.php (if present).
 *                                    Default true.
 */
if ( WP_CACHE && apply_filters( 'enable_loading_advanced_cache_dropin', true ) ) {
	// For an advanced caching plugin to use. Uses a static drop-in because you would only want one.
	if ( file_exists( WP_CONTENT_DIR . '/advanced-cache.php' ) ) {
		include WP_CONTENT_DIR . '/advanced-cache.php';
	}
}

// Define WP_LANG_DIR if not set.
wp_set_lang_dir();

// Load early WordPress files.
require ABSPATH . WPINC . '/compat.php';
require ABSPATH . WPINC . '/functions.php';
require ABSPATH . WPINC . '/class-wp.php';
require ABSPATH . WPINC . '/class-wp-error.php';
require ABSPATH . WPINC . '/pomo/mo.php';

// Include the wpdb class and, if present, a db.php database drop-in.
require_wp_db();

// WP-CLI: Handle db error ourselves, instead of waiting for dead_db()
global $wpdb;
if ( ! empty( $wpdb->error ) ) {
	wp_die( $wpdb->error );
}

// Set the database table prefix and the format specifiers for database table columns.
// @codingStandardsIgnoreStart
$GLOBALS['table_prefix'] = $table_prefix;
// @codingStandardsIgnoreEnd
wp_set_wpdb_vars();

// Start the WordPress object cache, or an external object cache if the drop-in is present.
wp_start_object_cache();

// Attach the default filters.
require ABSPATH . WPINC . '/default-filters.php';

// Initialize multisite if enabled.
if ( is_multisite() ) {
	Utils\maybe_require( '4.6-alpha-37575', ABSPATH . WPINC . '/class-wp-site-query.php' );
	Utils\maybe_require( '4.6-alpha-37896', ABSPATH . WPINC . '/class-wp-network-query.php' );
	require ABSPATH . WPINC . '/ms-blogs.php';
	require ABSPATH . WPINC . '/ms-settings.php';
} elseif ( ! defined( 'MULTISITE' ) ) {
	define( 'MULTISITE', false );
}

register_shutdown_function( 'shutdown_action_hook' );

// Stop most of WordPress from being loaded if we just want the basics.
if ( SHORTINIT ) {
	return false;
}

// Load the L10n library.
require_once ABSPATH . WPINC . '/l10n.php';

// WP-CLI: Permit Utils\wp_not_installed() to run on < WP 4.0
apply_filters( 'nocache_headers', array() );

// Run the installer if WordPress is not installed.
wp_not_installed();

// Load most of WordPress.
require ABSPATH . WPINC . '/class-wp-walker.php';
require ABSPATH . WPINC . '/class-wp-ajax-response.php';
require ABSPATH . WPINC . '/formatting.php';
require ABSPATH . WPINC . '/capabilities.php';
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-roles.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-role.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-user.php' );
require ABSPATH . WPINC . '/query.php';
Utils\maybe_require( '3.7-alpha-25139', ABSPATH . WPINC . '/date.php' );
require ABSPATH . WPINC . '/theme.php';
require ABSPATH . WPINC . '/class-wp-theme.php';
require ABSPATH . WPINC . '/template.php';
require ABSPATH . WPINC . '/user.php';
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-user-query.php' );
Utils\maybe_require( '4.0', ABSPATH . WPINC . '/session.php' );
require ABSPATH . WPINC . '/meta.php';
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-meta-query.php' );
Utils\maybe_require( '4.5-alpha-35776', ABSPATH . WPINC . '/class-wp-metadata-lazyloader.php' );
require ABSPATH . WPINC . '/general-template.php';
require ABSPATH . WPINC . '/link-template.php';
require ABSPATH . WPINC . '/author-template.php';
require ABSPATH . WPINC . '/post.php';
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-walker-page.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-walker-page-dropdown.php' );
Utils\maybe_require( '4.6-alpha-37890', ABSPATH . WPINC . '/class-wp-post-type.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-post.php' );
require ABSPATH . WPINC . '/post-template.php';
Utils\maybe_require( '3.6-alpha-23451', ABSPATH . WPINC . '/revision.php' );
Utils\maybe_require( '3.6-alpha-23451', ABSPATH . WPINC . '/post-formats.php' );
require ABSPATH . WPINC . '/post-thumbnail-template.php';
require ABSPATH . WPINC . '/category.php';
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-walker-category.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-walker-category-dropdown.php' );
require ABSPATH . WPINC . '/category-template.php';
require ABSPATH . WPINC . '/comment.php';
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-comment.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-comment-query.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-walker-comment.php' );
require ABSPATH . WPINC . '/comment-template.php';
require ABSPATH . WPINC . '/rewrite.php';
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-rewrite.php' );
require ABSPATH . WPINC . '/feed.php';
require ABSPATH . WPINC . '/bookmark.php';
require ABSPATH . WPINC . '/bookmark-template.php';
require ABSPATH . WPINC . '/kses.php';
require ABSPATH . WPINC . '/cron.php';
require ABSPATH . WPINC . '/deprecated.php';
require ABSPATH . WPINC . '/script-loader.php';
require ABSPATH . WPINC . '/taxonomy.php';
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-term.php' );
Utils\maybe_require( '4.6-alpha-37575', ABSPATH . WPINC . '/class-wp-term-query.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-tax-query.php' );
require ABSPATH . WPINC . '/update.php';
require ABSPATH . WPINC . '/canonical.php';
require ABSPATH . WPINC . '/shortcodes.php';
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/embed.php' );
require ABSPATH . WPINC . '/class-wp-embed.php';
require ABSPATH . WPINC . '/media.php';
Utils\maybe_require( '4.4-alpha-34903', ABSPATH . WPINC . '/class-wp-oembed-controller.php' );
require ABSPATH . WPINC . '/http.php';
require_once ABSPATH . WPINC . '/class-http.php';
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-http-streams.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-http-curl.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-http-proxy.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-http-cookie.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-http-encoding.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-http-response.php' );
Utils\maybe_require( '4.6-alpha-37438', ABSPATH . WPINC . '/class-wp-http-requests-response.php' );
require ABSPATH . WPINC . '/widgets.php';
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-widget.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-widget-factory.php' );
require ABSPATH . WPINC . '/nav-menu.php';
require ABSPATH . WPINC . '/nav-menu-template.php';
require ABSPATH . WPINC . '/admin-bar.php';
Utils\maybe_require( '4.4-alpha-34928', ABSPATH . WPINC . '/rest-api.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/rest-api/class-wp-rest-server.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/rest-api/class-wp-rest-response.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/rest-api/class-wp-rest-request.php' );

// Load multisite-specific files.
if ( is_multisite() ) {
	require ABSPATH . WPINC . '/ms-functions.php';
	require ABSPATH . WPINC . '/ms-default-filters.php';
	require ABSPATH . WPINC . '/ms-deprecated.php';
}

// Define constants that rely on the API to obtain the default value.
// Define must-use plugin directory constants, which may be overridden in the sunrise.php drop-in.
wp_plugin_directory_constants();

$symlinked_plugins_supported = function_exists( 'wp_register_plugin_realpath' );
if ( $symlinked_plugins_supported ) {
	$GLOBALS['wp_plugin_paths'] = array();
}

// Load must-use plugins.
foreach ( wp_get_mu_plugins() as $mu_plugin ) {
	include_once $mu_plugin;
}
unset( $mu_plugin );

// Load network activated plugins.
if ( is_multisite() ) {
	foreach ( wp_get_active_network_plugins() as $network_plugin ) {
		if ( $symlinked_plugins_supported ) {
			wp_register_plugin_realpath( $network_plugin );
		}
		include_once $network_plugin;
	}
	unset( $network_plugin );
}

do_action( 'muplugins_loaded' );

if ( is_multisite() ) {
	ms_cookie_constants();
}

// Define constants after multisite is loaded. Cookie-related constants may be overridden in ms_network_cookies().
wp_cookie_constants();

// Define and enforce our SSL constants
wp_ssl_constants();

// Create common globals.
require ABSPATH . WPINC . '/vars.php';

// Make taxonomies and posts available to plugins and themes.
// @plugin authors: warning: these get registered again on the init hook.
create_initial_taxonomies();
create_initial_post_types();

// Register the default theme directory root
register_theme_directory( get_theme_root() );

// Load active plugins.
foreach ( wp_get_active_and_valid_plugins() as $plugin ) {
	if ( $symlinked_plugins_supported ) {
		wp_register_plugin_realpath( $plugin );
	}
	include_once $plugin;
}
unset( $plugin, $symlinked_plugins_supported );

// Load pluggable functions.
require ABSPATH . WPINC . '/pluggable.php';
require ABSPATH . WPINC . '/pluggable-deprecated.php';

// Set internal encoding.
wp_set_internal_encoding();

// Run wp_cache_postload() if object cache is enabled and the function exists.
if ( WP_CACHE && function_exists( 'wp_cache_postload' ) ) {
	wp_cache_postload();
}

do_action( 'plugins_loaded' );

// Define constants which affect functionality if not already defined.
wp_functionality_constants();

// Add magic quotes and set up $_REQUEST ( $_GET + $_POST )
wp_magic_quotes();

do_action( 'sanitize_comment_cookies' );

/**
 * WordPress Query object
 * @global object $wp_the_query
 * @since 2.0.0
 */
$GLOBALS['wp_the_query'] = new WP_Query();

/**
 * Holds the reference to @see $wp_the_query
 * Use this global for WordPress queries
 * @global object $wp_query
 * @since 1.5.0
 */
$GLOBALS['wp_query'] = $GLOBALS['wp_the_query'];

/**
 * Holds the WordPress Rewrite object for creating pretty URLs
 * @global object $wp_rewrite
 * @since 1.5.0
 */
$GLOBALS['wp_rewrite'] = new WP_Rewrite();

/**
 * WordPress Object
 * @global object $wp
 * @since 2.0.0
 */
$GLOBALS['wp'] = new WP();

/**
 * WordPress Widget Factory Object
 * @global object $wp_widget_factory
 * @since 2.8.0
 */
$GLOBALS['wp_widget_factory'] = new WP_Widget_Factory();

/**
 * WordPress User Roles
 * @global object $wp_roles
 * @since 2.0.0
 */
$GLOBALS['wp_roles'] = new WP_Roles();

do_action( 'setup_theme' );

// Define the template related constants.
wp_templating_constants();

// Load the default text localization domain.
load_default_textdomain();

$locale      = get_locale();
$locale_file = WP_LANG_DIR . "/$locale.php";
if ( ( 0 === validate_file( $locale ) ) && is_readable( $locale_file ) ) {
	require $locale_file;
}
unset( $locale_file );

// Pull in locale data after loading text domain.
require_once ABSPATH . WPINC . '/locale.php';

/**
 * WordPress Locale object for loading locale domain date and various strings.
 * @global object $wp_locale
 * @since 2.1.0
 */
$GLOBALS['wp_locale'] = new WP_Locale();

// Load the functions for the active theme, for both parent and child theme if applicable.
global $pagenow;
if ( ! defined( 'WP_INSTALLING' ) || 'wp-activate.php' === $pagenow ) {
	if ( TEMPLATEPATH !== STYLESHEETPATH && file_exists( STYLESHEETPATH . '/functions.php' ) ) {
		include STYLESHEETPATH . '/functions.php';
	}
	if ( file_exists( TEMPLATEPATH . '/functions.php' ) ) {
		include TEMPLATEPATH . '/functions.php';
	}
}

do_action( 'after_setup_theme' );

// Set up current user.
$GLOBALS['wp']->init();

/**
 * Most of WP is loaded at this stage, and the user is authenticated. WP continues
 * to load on the init hook that follows (e.g. widgets), and many plugins instantiate
 * themselves on it for all sorts of reasons (e.g. they need a user, a taxonomy, etc.).
 *
 * If you wish to plug an action once WP is loaded, use the wp_loaded hook below.
 */
do_action( 'init' );

// Check site status
# if ( is_multisite() ) {  // WP-CLI
if ( is_multisite() && ! defined( 'WP_INSTALLING' ) ) {
	$file = ms_site_check();
	if ( true !== $file ) {
		require $file;
		die();
	}
	unset( $file );
}

/**
 * This hook is fired once WP, all plugins, and the theme are fully loaded and instantiated.
 *
 * AJAX requests should use wp-admin/admin-ajax.php. admin-ajax.php can handle requests for
 * users not logged in.
 *
 * @link http://codex.wordpress.org/AJAX_in_Plugins
 *
 * @since 3.0.0
 */
do_action( 'wp_loaded' );
<?php

use \WP_CLI\ExitException;
use \WP_CLI\Dispatcher;
use \WP_CLI\FileCache;
use \WP_CLI\Process;
use \WP_CLI\WpHttpCacheManager;
use \WP_CLI\Utils;
use Mustangostang\Spyc;

/**
 * Various utilities for WP-CLI commands.
 */
class WP_CLI {

private static $configurator;

private static $logger;

private static $hooks = array(), $hooks_passed = array();

private static $capture_exit = false;

private static $deferred_additions = array();

/**
	 * Set the logger instance.
	 *
	 * @param object $logger
	 */
	public static function set_logger( $logger ) {
		self::$logger = $logger;
	}

/**
	 * Get the Configurator instance
	 *
	 * @return \WP_CLI\Configurator
	 */
	public static function get_configurator() {
		static $configurator;

if ( ! $configurator ) {
			$configurator = new WP_CLI\Configurator( WP_CLI_ROOT . '/php/config-spec.php' );
		}

return $configurator;
	}

public static function get_root_command() {
		static $root;

if ( ! $root ) {
			$root = new Dispatcher\RootCommand();
		}

return $root;
	}

public static function get_runner() {
		static $runner;

if ( ! $runner ) {
			$runner = new WP_CLI\Runner();
		}

return $runner;
	}

/**
	 * @return FileCache
	 */
	public static function get_cache() {
		static $cache;

if ( ! $cache ) {
			$home = Utils\get_home_dir();
			$dir  = getenv( 'WP_CLI_CACHE_DIR' ) ? : "$home/.wp-cli/cache";

// 6 months, 300mb
			$cache = new FileCache( $dir, 15552000, 314572800 );

// clean older files on shutdown with 1/50 probability
			if ( 0 === mt_rand( 0, 50 ) ) {
				register_shutdown_function(
					function () use ( $cache ) {
						$cache->clean();
					}
				);
			}
		}

return $cache;
	}

/**
	 * Set the context in which WP-CLI should be run
	 */
	public static function set_url( $url ) {
		self::debug( 'Set URL: ' . $url, 'bootstrap' );
		$url_parts = Utils\parse_url( $url );
		self::set_url_params( $url_parts );
	}

private static function set_url_params( $url_parts ) {
		$f = function( $key ) use ( $url_parts ) {
			return \WP_CLI\Utils\get_flag_value( $url_parts, $key, '' );
		};

if ( isset( $url_parts['host'] ) ) {
			if ( isset( $url_parts['scheme'] ) && 'https' === strtolower( $url_parts['scheme'] ) ) {
				$_SERVER['HTTPS'] = 'on';
			}

$_SERVER['HTTP_HOST'] = $url_parts['host'];
			if ( isset( $url_parts['port'] ) ) {
				$_SERVER['HTTP_HOST'] .= ':' . $url_parts['port'];
			}

$_SERVER['SERVER_NAME'] = $url_parts['host'];
		}

$_SERVER['REQUEST_URI']  = $f( 'path' ) . ( isset( $url_parts['query'] ) ? '?' . $url_parts['query'] : '' );
		$_SERVER['SERVER_PORT']  = \WP_CLI\Utils\get_flag_value( $url_parts, 'port', '80' );
		$_SERVER['QUERY_STRING'] = $f( 'query' );
	}

/**
	 * @return WpHttpCacheManager
	 */
	public static function get_http_cache_manager() {
		static $http_cacher;

if ( ! $http_cacher ) {
			$http_cacher = new WpHttpCacheManager( self::get_cache() );
		}

return $http_cacher;
	}

/**
	 * Colorize a string for output.
	 *
	 * Yes, you too can change the color of command line text. For instance,
	 * here's how `WP_CLI::success()` colorizes "Success: "
	 *
	 * ```
	 * WP_CLI::colorize( "%GSuccess:%n " )
	 * ```
	 *
	 * Uses `\cli\Colors::colorize()` to transform color tokens to display
	 * settings. Choose from the following tokens (and note 'reset'):
	 *
	 * * %y => ['color' => 'yellow'],
	 * * %g => ['color' => 'green'],
	 * * %b => ['color' => 'blue'],
	 * * %r => ['color' => 'red'],
	 * * %p => ['color' => 'magenta'],
	 * * %m => ['color' => 'magenta'],
	 * * %c => ['color' => 'cyan'],
	 * * %w => ['color' => 'grey'],
	 * * %k => ['color' => 'black'],
	 * * %n => ['color' => 'reset'],
	 * * %Y => ['color' => 'yellow', 'style' => 'bright'],
	 * * %G => ['color' => 'green', 'style' => 'bright'],
	 * * %B => ['color' => 'blue', 'style' => 'bright'],
	 * * %R => ['color' => 'red', 'style' => 'bright'],
	 * * %P => ['color' => 'magenta', 'style' => 'bright'],
	 * * %M => ['color' => 'magenta', 'style' => 'bright'],
	 * * %C => ['color' => 'cyan', 'style' => 'bright'],
	 * * %W => ['color' => 'grey', 'style' => 'bright'],
	 * * %K => ['color' => 'black', 'style' => 'bright'],
	 * * %N => ['color' => 'reset', 'style' => 'bright'],
	 * * %3 => ['background' => 'yellow'],
	 * * %2 => ['background' => 'green'],
	 * * %4 => ['background' => 'blue'],
	 * * %1 => ['background' => 'red'],
	 * * %5 => ['background' => 'magenta'],
	 * * %6 => ['background' => 'cyan'],
	 * * %7 => ['background' => 'grey'],
	 * * %0 => ['background' => 'black'],
	 * * %F => ['style' => 'blink'],
	 * * %U => ['style' => 'underline'],
	 * * %8 => ['style' => 'inverse'],
	 * * %9 => ['style' => 'bright'],
	 * * %_ => ['style' => 'bright']
	 *
	 * @access public
	 * @category Output
	 *
	 * @param string $string String to colorize for output, with color tokens.
	 * @return string Colorized string.
	 */
	public static function colorize( $string ) {
		return \cli\Colors::colorize( $string, self::get_runner()->in_color() );
	}

/**
	 * Schedule a callback to be executed at a certain point.
	 *
	 * Hooks conceptually are very similar to WordPress actions. WP-CLI hooks
	 * are typically called before WordPress is loaded.
	 *
	 * WP-CLI hooks include:
	 *
	 * * `before_add_command:<command>` - Before the command is added.
	 * * `after_add_command:<command>` - After the command was added.
	 * * `before_invoke:<command>` - Just before a command is invoked.
	 * * `after_invoke:<command>` - Just after a command is invoked.
	 * * `find_command_to_run_pre` - Just before WP-CLI finds the command to run.
	 * * `before_wp_load` - Just before the WP load process begins.
	 * * `before_wp_config_load` - After wp-config.php has been located.
	 * * `after_wp_config_load` - After wp-config.php has been loaded into scope.
	 * * `after_wp_load` - Just after the WP load process has completed.
	 * * `before_run_command` - Just before the command is executed.
	 *
	 * WP-CLI commands can create their own hooks with `WP_CLI::do_hook()`.
	 *
	 * If additional arguments are passed through the `WP_CLI::do_hook()` call,
	 * these will be passed on to the callback provided by `WP_CLI::add_hook()`.
	 *
	 * ```
	 * # `wp network meta` confirms command is executing in multisite context.
	 * WP_CLI::add_command( 'network meta', 'Network_Meta_Command', array(
	 *    'before_invoke' => function () {
	 *        if ( !is_multisite() ) {
	 *            WP_CLI::error( 'This is not a multisite installation.' );
	 *        }
	 *    }
	 * ) );
	 * ```
	 *
	 * @access public
	 * @category Registration
	 *
	 * @param string $when Identifier for the hook.
	 * @param mixed $callback Callback to execute when hook is called.
	 * @return null
	 */
	public static function add_hook( $when, $callback ) {
		if ( array_key_exists( $when, self::$hooks_passed ) ) {
			self::debug(
				sprintf(
					'Immediately invoking on passed hook "%s": %s',
					$when,
					Utils\describe_callable( $callback )
				),
				'hooks'
			);
			call_user_func_array( $callback, (array) self::$hooks_passed[ $when ] );
		}

self::$hooks[ $when ][] = $callback;
	}

/**
	 * Execute callbacks registered to a given hook.
	 *
	 * See `WP_CLI::add_hook()` for details on WP-CLI's internal hook system.
	 * Commands can provide and call their own hooks.
	 *
	 * @access public
	 * @category Registration
	 *
	 * @param string $when Identifier for the hook.
	 * @param mixed ... Optional. Arguments that will be passed onto the
	 *                  callback provided by `WP_CLI::add_hook()`.
	 * @return null
	 */
	public static function do_hook( $when ) {

$args = func_num_args() > 1
			? array_slice( func_get_args(), 1 )
			: array();

self::$hooks_passed[ $when ] = $args;

if ( ! isset( self::$hooks[ $when ] ) ) {
			return;
		}

self::debug(
			sprintf(
				'Processing hook "%s" with %d callbacks',
				$when,
				count( self::$hooks[ $when ] )
			),
			'hooks'
		);

foreach ( self::$hooks[ $when ] as $callback ) {
			self::debug(
				sprintf(
					'On hook "%s": %s',
					$when,
					Utils\describe_callable( $callback )
				),
				'hooks'
			);
			call_user_func_array( $callback, $args );
		}
	}

/**
	 * Add a callback to a WordPress action or filter.
	 *
	 * `add_action()` without needing access to `add_action()`. If WordPress is
	 * already loaded though, you should use `add_action()` (and `add_filter()`)
	 * instead.
	 *
	 * @access public
	 * @category Registration
	 *
	 * @param string $tag Named WordPress action or filter.
	 * @param mixed $function_to_add Callable to execute when the action or filter is evaluated.
	 * @param integer $priority Priority to add the callback as.
	 * @param integer $accepted_args Number of arguments to pass to callback.
	 * @return true
	 */
	public static function add_wp_hook( $tag, $function_to_add, $priority = 10, $accepted_args = 1 ) {
		global $wp_filter, $merged_filters;

if ( function_exists( 'add_filter' ) ) {
			add_filter( $tag, $function_to_add, $priority, $accepted_args );
		} else {
			$idx                                    = self::wp_hook_build_unique_id( $tag, $function_to_add, $priority );
			$wp_filter[ $tag ][ $priority ][ $idx ] = array(
				'function'      => $function_to_add,
				'accepted_args' => $accepted_args,
			);
			unset( $merged_filters[ $tag ] );
		}

return true;
	}

/**
	 * Build Unique ID for storage and retrieval.
	 *
	 * Essentially _wp_filter_build_unique_id() without needing access to _wp_filter_build_unique_id()
	 */
	private static function wp_hook_build_unique_id( $tag, $function, $priority ) {
		global $wp_filter;
		static $filter_id_count = 0;

if ( is_string( $function ) ) {
			return $function;
		}

if ( is_object( $function ) ) {
			// Closures are currently implemented as objects
			$function = array( $function, '' );
		} else {
			$function = (array) $function;
		}

if ( is_object( $function[0] ) ) {
			// Object Class Calling
			if ( function_exists( 'spl_object_hash' ) ) {
				return spl_object_hash( $function[0] ) . $function[1];
			}

$obj_idx = get_class( $function[0] ) . $function[1];
			if ( ! isset( $function[0]->wp_filter_id ) ) {
				if ( false === $priority ) {
					return false;
				}
				$obj_idx                  .= isset( $wp_filter[ $tag ][ $priority ] ) ? count( (array) $wp_filter[ $tag ][ $priority ] ) : $filter_id_count;
				$function[0]->wp_filter_id = $filter_id_count;
				++$filter_id_count;
			} else {
				$obj_idx .= $function[0]->wp_filter_id;
			}

return $obj_idx;
		}

if ( is_string( $function[0] ) ) {
			// Static Calling
			return $function[0] . '::' . $function[1];
		}
	}

/**
	 * Register a command to WP-CLI.
	 *
	 * WP-CLI supports using any callable class, function, or closure as a
	 * command. `WP_CLI::add_command()` is used for both internal and
	 * third-party command registration.
	 *
	 * Command arguments are parsed from PHPDoc by default, but also can be
	 * supplied as an optional third argument during registration.
	 *
	 * ```
	 * # Register a custom 'foo' command to output a supplied positional param.
	 * #
	 * # $ wp foo bar --append=qux
	 * # Success: bar qux
	 *
	 * /**
	 *  * My awesome closure command
	 *  *
	 *  * <message>
	 *  * : An awesome message to display
	 *  *
	 *  * --append=<message>
	 *  * : An awesome message to append to the original message.
	 *  *
	 *  * @when before_wp_load
	 *  *\/
	 * $foo = function( $args, $assoc_args ) {
	 *     WP_CLI::success( $args[0] . ' ' . $assoc_args['append'] );
	 * };
	 * WP_CLI::add_command( 'foo', $foo );
	 * ```
	 *
	 * @access public
	 * @category Registration
	 *
	 * @param string   $name Name for the command (e.g. "post list" or "site empty").
	 * @param callable $callable Command implementation as a class, function or closure.
	 * @param array    $args {
	 *    Optional. An associative array with additional registration parameters.
	 *
	 *    @type callable $before_invoke Callback to execute before invoking the command.
	 *    @type callable $after_invoke  Callback to execute after invoking the command.
	 *    @type string   $shortdesc     Short description (80 char or less) for the command.
	 *    @type string   $longdesc      Description of arbitrary length for examples, etc.
	 *    @type string   $synopsis      The synopsis for the command (string or array).
	 *    @type string   $when          Execute callback on a named WP-CLI hook (e.g. before_wp_load).
	 *    @type bool     $is_deferred   Whether the command addition had already been deferred.
	 * }
	 * @return true True on success, false if deferred, hard error if registration failed.
	 */
	public static function add_command( $name, $callable, $args = array() ) {
		// Bail immediately if the WP-CLI executable has not been run.
		if ( ! defined( 'WP_CLI' ) ) {
			return false;
		}

$valid = false;
		if ( is_callable( $callable ) ) {
			$valid = true;
		} elseif ( is_string( $callable ) && class_exists( (string) $callable ) ) {
			$valid = true;
		} elseif ( is_object( $callable ) ) {
			$valid = true;
		}
		if ( ! $valid ) {
			if ( is_array( $callable ) ) {
				$callable[0] = is_object( $callable[0] ) ? get_class( $callable[0] ) : $callable[0];
				$callable    = array( $callable[0], $callable[1] );
			}
			self::error( sprintf( 'Callable %s does not exist, and cannot be registered as `wp %s`.', json_encode( $callable ), $name ) );
		}

$addition = new Dispatcher\CommandAddition();
		self::do_hook( "before_add_command:{$name}", $addition );

if ( $addition->was_aborted() ) {
			self::warning( "Aborting the addition of the command '{$name}' with reason: {$addition->get_reason()}." );
			return false;
		}

foreach ( array( 'before_invoke', 'after_invoke' ) as $when ) {
			if ( isset( $args[ $when ] ) ) {
				self::add_hook( "{$when}:{$name}", $args[ $when ] );
			}
		}

$path = preg_split( '/\s+/', $name );

$leaf_name = array_pop( $path );
		$full_path = $path;

$command = self::get_root_command();

while ( ! empty( $path ) ) {
			$subcommand_name = $path[0];
			$parent          = implode( ' ', $path );
			$subcommand      = $command->find_subcommand( $path );

// Parent not found. Defer addition or create an empty container as
			// needed.
			if ( ! $subcommand ) {
				if ( isset( $args['is_deferred'] ) && $args['is_deferred'] ) {
					$subcommand = new Dispatcher\CompositeCommand(
						$command,
						$subcommand_name,
						new \WP_CLI\DocParser( '' )
					);

self::debug(
						"Adding empty container for deferred command: {$name}",
						'commands'
					);

$command->add_subcommand( $subcommand_name, $subcommand );
				} else {
					self::debug( "Deferring command: {$name}", 'commands' );

self::defer_command_addition(
						$name,
						$parent,
						$callable,
						$args
					);

return false;
				}
			}

$command = $subcommand;
		}

$leaf_command = Dispatcher\CommandFactory::create( $leaf_name, $callable, $command );

if ( $leaf_command instanceof Dispatcher\CommandNamespace && array_key_exists( $leaf_name, $command->get_subcommands() ) ) {
			return false;
		}

// Reattach commands attached to namespace to real command.
		$subcommand_name  = (array) $leaf_name;
		$existing_command = $command->find_subcommand( $subcommand_name );
		if ( $existing_command instanceof Dispatcher\CommandNamespace ) {
			$subcommands = $existing_command->get_subcommands();
			if ( ! empty( $subcommands )
				&& ( $leaf_command instanceof Dispatcher\CompositeCommand
					|| $leaf_command->can_have_subcommands ) ) {
				foreach ( $subcommands as $subname => $subcommand ) {
					$leaf_command->add_subcommand( $subname, $subcommand );
				}
			}
		}

if ( ! $command->can_have_subcommands() ) {
			throw new Exception(
				sprintf(
					"'%s' can't have subcommands.",
					implode( ' ', Dispatcher\get_path( $command ) )
				)
			);
		}

if ( isset( $args['shortdesc'] ) ) {
			$leaf_command->set_shortdesc( $args['shortdesc'] );
		}

if ( isset( $args['longdesc'] ) ) {
			$leaf_command->set_longdesc( $args['longdesc'] );
		}

if ( isset( $args['synopsis'] ) ) {
			if ( is_string( $args['synopsis'] ) ) {
				$leaf_command->set_synopsis( $args['synopsis'] );
			} elseif ( is_array( $args['synopsis'] ) ) {
				$synopsis = \WP_CLI\SynopsisParser::render( $args['synopsis'] );
				$leaf_command->set_synopsis( $synopsis );
				$long_desc = '';
				$bits      = explode( ' ', $synopsis );
				foreach ( $args['synopsis'] as $key => $arg ) {
					$long_desc .= $bits[ $key ] . "\n";
					if ( ! empty( $arg['description'] ) ) {
						$long_desc .= ': ' . $arg['description'] . "\n";
					}
					$yamlify = array();
					foreach ( array( 'default', 'options' ) as $key ) {
						if ( isset( $arg[ $key ] ) ) {
							$yamlify[ $key ] = $arg[ $key ];
						}
					}
					if ( ! empty( $yamlify ) ) {
						$long_desc .= Spyc::YAMLDump( $yamlify );
						$long_desc .= '---' . "\n";
					}
					$long_desc .= "\n";
				}
				if ( ! empty( $long_desc ) ) {
					$long_desc = rtrim( $long_desc, "\r\n" );
					$long_desc = '## OPTIONS' . "\n\n" . $long_desc;
					if ( ! empty( $args['longdesc'] ) ) {
						$long_desc .= "\n\n" . ltrim( $args['longdesc'], "\r\n" );
					}
					$leaf_command->set_longdesc( $long_desc );
				}
			}
		}

if ( isset( $args['when'] ) ) {
			self::get_runner()->register_early_invoke( $args['when'], $leaf_command );
		}

if ( ! empty( $parent ) ) {
			$sub_command = trim( str_replace( $parent, '', $name ) );
			self::debug( "Adding command: {$sub_command} in {$parent} Namespace", 'commands' );
		} else {
			self::debug( "Adding command: {$name}", 'commands' );
		}

$command->add_subcommand( $leaf_name, $leaf_command );

self::do_hook( "after_add_command:{$name}" );
		return true;
	}

/**
	 * Defer command addition for a sub-command if the parent command is not yet
	 * registered.
	 *
	 * @param string $name     Name for the sub-command.
	 * @param string $parent   Name for the parent command.
	 * @param string $callable Command implementation as a class, function or closure.
	 * @param array  $args     Optional. See `WP_CLI::add_command()` for details.
	 */
	private static function defer_command_addition( $name, $parent, $callable, $args = array() ) {
		$args['is_deferred']               = true;
		self::$deferred_additions[ $name ] = array(
			'parent'   => $parent,
			'callable' => $callable,
			'args'     => $args,
		);
		self::add_hook(
			"after_add_command:$parent",
			function () use ( $name ) {
				$deferred_additions = WP_CLI::get_deferred_additions();

if ( ! array_key_exists( $name, $deferred_additions ) ) {
					return;
				}

$callable = $deferred_additions[ $name ]['callable'];
				$args     = $deferred_additions[ $name ]['args'];
				WP_CLI::remove_deferred_addition( $name );

WP_CLI::add_command( $name, $callable, $args );
			}
		);
	}

/**
	 * Get the list of outstanding deferred command additions.
	 *
	 * @return array Array of outstanding command additions.
	 */
	public static function get_deferred_additions() {
		return self::$deferred_additions;
	}

/**
	 * Remove a command addition from the list of outstanding deferred additions.
	 */
	public static function remove_deferred_addition( $name ) {
		if ( ! array_key_exists( $name, self::$deferred_additions ) ) {
			self::warning( "Trying to remove a non-existent command addition '{$name}'." );
		}

unset( self::$deferred_additions[ $name ] );
	}

/**
	 * Display informational message without prefix, and ignore `--quiet`.
	 *
	 * Message is written to STDOUT. `WP_CLI::log()` is typically recommended;
	 * `WP_CLI::line()` is included for historical compat.
	 *
	 * @access public
	 * @category Output
	 *
	 * @param string $message Message to display to the end user.
	 * @return null
	 */
	public static function line( $message = '' ) {
		echo $message . "\n";
	}

/**
	 * Display informational message without prefix.
	 *
	 * Message is written to STDOUT, or discarded when `--quiet` flag is supplied.
	 *
	 * ```
	 * # `wp cli update` lets user know of each step in the update process.
	 * WP_CLI::log( sprintf( 'Downloading from %s...', $download_url ) );
	 * ```
	 *
	 * @access public
	 * @category Output
	 *
	 * @param string $message Message to write to STDOUT.
	 */
	public static function log( $message ) {
		self::$logger->info( $message );
	}

/**
	 * Display success message prefixed with "Success: ".
	 *
	 * Success message is written to STDOUT.
	 *
	 * Typically recommended to inform user of successful script conclusion.
	 *
	 * ```
	 * # wp rewrite flush expects 'rewrite_rules' option to be set after flush.
	 * flush_rewrite_rules( \WP_CLI\Utils\get_flag_value( $assoc_args, 'hard' ) );
	 * if ( ! get_option( 'rewrite_rules' ) ) {
	 *     WP_CLI::warning( "Rewrite rules are empty." );
	 * } else {
	 *     WP_CLI::success( 'Rewrite rules flushed.' );
	 * }
	 * ```
	 *
	 * @access public
	 * @category Output
	 *
	 * @param string $message Message to write to STDOUT.
	 * @return null
	 */
	public static function success( $message ) {
		self::$logger->success( $message );
	}

/**
	 * Display debug message prefixed with "Debug: " when `--debug` is used.
	 *
	 * Debug message is written to STDERR, and includes script execution time.
	 *
	 * Helpful for optionally showing greater detail when needed. Used throughout
	 * WP-CLI bootstrap process for easier debugging and profiling.
	 *
	 * ```
	 * # Called in `WP_CLI\Runner::set_wp_root()`.
	 * private static function set_wp_root( $path ) {
	 *     define( 'ABSPATH', Utils\trailingslashit( $path ) );
	 *     WP_CLI::debug( 'ABSPATH defined: ' . ABSPATH );
	 *     $_SERVER['DOCUMENT_ROOT'] = realpath( $path );
	 * }
	 *
	 * # Debug details only appear when `--debug` is used.
	 * # $ wp --debug
	 * # [...]
	 * # Debug: ABSPATH defined: /srv/www/wordpress-develop.dev/src/ (0.225s)
	 * ```
	 *
	 * @access public
	 * @category Output
	 *
	 * @param string $message Message to write to STDERR.
	 * @param string $group Organize debug message to a specific group.
	 * @return null
	 */
	public static function debug( $message, $group = false ) {
		static $storage = array();

if ( ! self::$logger ) {
			$storage[] = array( $message, $group );
			return;
		}

if ( ! empty( $storage ) && self::$logger ) {
			foreach ( $storage as $entry ) {
				list( $stored_message, $stored_group ) = $entry;
				self::$logger->debug( self::error_to_string( $stored_message ), $stored_group );
			}
			$storage = array();
		}

self::$logger->debug( self::error_to_string( $message ), $group );
	}

/**
	 * Display warning message prefixed with "Warning: ".
	 *
	 * Warning message is written to STDERR.
	 *
	 * Use instead of `WP_CLI::debug()` when script execution should be permitted
	 * to continue.
	 *
	 * ```
	 * # `wp plugin activate` skips activation when plugin is network active.
	 * $status = $this->get_status( $plugin->file );
	 * // Network-active is the highest level of activation status
	 * if ( 'active-network' === $status ) {
	 *   WP_CLI::warning( "Plugin '{$plugin->name}' is already network active." );
	 *   continue;
	 * }
	 * ```
	 *
	 * @access public
	 * @category Output
	 *
	 * @param string $message Message to write to STDERR.
	 * @return null
	 */
	public static function warning( $message ) {
		self::$logger->warning( self::error_to_string( $message ) );
	}

/**
	 * Display error message prefixed with "Error: " and exit script.
	 *
	 * Error message is written to STDERR. Defaults to halting script execution
	 * with return code 1.
	 *
	 * Use `WP_CLI::warning()` instead when script execution should be permitted
	 * to continue.
	 *
	 * ```
	 * # `wp cache flush` considers flush failure to be a fatal error.
	 * if ( false === wp_cache_flush() ) {
	 *     WP_CLI::error( 'The object cache could not be flushed.' );
	 * }
	 * ```
	 *
	 * @access public
	 * @category Output
	 *
	 * @param string|WP_Error  $message Message to write to STDERR.
	 * @param boolean|integer  $exit    True defaults to exit(1).
	 * @return null
	 */
	public static function error( $message, $exit = true ) {
		if ( ! isset( self::get_runner()->assoc_args['completions'] ) ) {
			self::$logger->error( self::error_to_string( $message ) );
		}

$return_code = false;
		if ( true === $exit ) {
			$return_code = 1;
		} elseif ( is_int( $exit ) && $exit >= 1 ) {
			$return_code = $exit;
		}

if ( $return_code ) {
			if ( self::$capture_exit ) {
				throw new ExitException( null, $return_code );
			}
			exit( $return_code );
		}
	}

/**
	 * Halt script execution with a specific return code.
	 *
	 * Permits script execution to be overloaded by `WP_CLI::runcommand()`
	 *
	 * @access public
	 * @category Output
	 *
	 * @param integer $return_code
	 */
	public static function halt( $return_code ) {
		if ( self::$capture_exit ) {
			throw new ExitException( null, $return_code );
		}
		exit( $return_code );
	}

/**
	 * Display a multi-line error message in a red box. Doesn't exit script.
	 *
	 * Error message is written to STDERR.
	 *
	 * @access public
	 * @category Output
	 *
	 * @param array $message Multi-line error message to be displayed.
	 */
	public static function error_multi_line( $message_lines ) {
		if ( ! isset( self::get_runner()->assoc_args['completions'] ) && is_array( $message_lines ) ) {
			self::$logger->error_multi_line( array_map( array( __CLASS__, 'error_to_string' ), $message_lines ) );
		}
	}

/**
	 * Ask for confirmation before running a destructive operation.
	 *
	 * If 'y' is provided to the question, the script execution continues. If
	 * 'n' or any other response is provided to the question, script exits.
	 *
	 * ```
	 * # `wp db drop` asks for confirmation before dropping the database.
	 *
	 * WP_CLI::confirm( "Are you sure you want to drop the database?", $assoc_args );
	 * ```
	 *
	 * @access public
	 * @category Input
	 *
	 * @param string $question Question to display before the prompt.
	 * @param array $assoc_args Skips prompt if 'yes' is provided.
	 */
	public static function confirm( $question, $assoc_args = array() ) {
		if ( ! \WP_CLI\Utils\get_flag_value( $assoc_args, 'yes' ) ) {
			fwrite( STDOUT, $question . ' [y/n] ' );

$answer = strtolower( trim( fgets( STDIN ) ) );

if ( 'y' !== $answer ) {
				exit;
			}
		}
	}

/**
	 * Read value from a positional argument or from STDIN.
	 *
	 * @param array $args The list of positional arguments.
	 * @param int $index At which position to check for the value.
	 *
	 * @return string
	 */
	public static function get_value_from_arg_or_stdin( $args, $index ) {
		if ( isset( $args[ $index ] ) ) {
			$raw_value = $args[ $index ];
		} else {
			// We don't use file_get_contents() here because it doesn't handle
			// Ctrl-D properly, when typing in the value interactively.
			$raw_value = '';
			while ( false !== ( $line = fgets( STDIN ) ) ) {
				$raw_value .= $line;
			}
		}

return $raw_value;
	}

/**
	 * Read a value, from various formats.
	 *
	 * @access public
	 * @category Input
	 *
	 * @param mixed $value
	 * @param array $assoc_args
	 */
	public static function read_value( $raw_value, $assoc_args = array() ) {
		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'format' ) === 'json' ) {
			$value = json_decode( $raw_value, true );
			if ( null === $value ) {
				self::error( sprintf( 'Invalid JSON: %s', $raw_value ) );
			}
		} else {
			$value = $raw_value;
		}

return $value;
	}

/**
	 * Display a value, in various formats
	 *
	 * @param mixed $value Value to display.
	 * @param array $assoc_args Arguments passed to the command, determining format.
	 */
	public static function print_value( $value, $assoc_args = array() ) {
		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'format' ) === 'json' ) {
			$value = json_encode( $value );
		} elseif ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'format' ) === 'yaml' ) {
			$value = Spyc::YAMLDump( $value, 2, 0 );
		} elseif ( is_array( $value ) || is_object( $value ) ) {
			$value = var_export( $value, true );
		}

echo $value . "\n";
	}

/**
	 * Convert a wp_error into a string
	 *
	 * @param mixed $errors
	 * @return string
	 */
	public static function error_to_string( $errors ) {
		if ( is_string( $errors ) ) {
			return $errors;
		}

// Only json_encode() the data when it needs it
		$render_data = function( $data ) {
			if ( is_array( $data ) || is_object( $data ) ) {
				return json_encode( $data );
			}

return '"' . $data . '"';
		};

if ( is_object( $errors ) && is_a( $errors, 'WP_Error' ) ) {
			foreach ( $errors->get_error_messages() as $message ) {
				if ( $errors->get_error_data() ) {
					return $message . ' ' . $render_data( $errors->get_error_data() );
				}

return $message;
			}
		}
	}

/**
	 * Launch an arbitrary external process that takes over I/O.
	 *
	 * ```
	 * # `wp core download` falls back to the `tar` binary when PharData isn't available
	 * if ( ! class_exists( 'PharData' ) ) {
	 *     $cmd = "tar xz --strip-components=1 --directory=%s -f $tarball";
	 *     WP_CLI::launch( Utils\esc_cmd( $cmd, $dest ) );
	 *     return;
	 * }
	 * ```
	 *
	 * @access public
	 * @category Execution
	 *
	 * @param string $command External process to launch.
	 * @param boolean $exit_on_error Whether to exit if the command returns an elevated return code.
	 * @param boolean $return_detailed Whether to return an exit status (default) or detailed execution results.
	 * @return int|ProcessRun The command exit status, or a ProcessRun object for full details.
	 */
	public static function launch( $command, $exit_on_error = true, $return_detailed = false ) {
		Utils\check_proc_available( 'launch' );

$proc    = Process::create( $command );
		$results = $proc->run();

if ( -1 == $results->return_code ) {
			self::warning( "Spawned process returned exit code {$results->return_code}, which could be caused by a custom compiled version of PHP that uses the --enable-sigchild option." );
		}

if ( $results->return_code && $exit_on_error ) {
			exit( $results->return_code );
		}

if ( $return_detailed ) {
			return $results;
		}

return $results->return_code;
	}

/**
	 * Run a WP-CLI command in a new process reusing the current runtime arguments.
	 *
	 * Use `WP_CLI::runcommand()` instead, which is easier to use and works better.
	 *
	 * Note: While this command does persist a limited set of runtime arguments,
	 * it *does not* persist environment variables. Practically speaking, WP-CLI
	 * packages won't be loaded when using WP_CLI::launch_self() because the
	 * launched process doesn't have access to the current process $HOME.
	 *
	 * @access public
	 * @category Execution
	 *
	 * @param string $command WP-CLI command to call.
	 * @param array $args Positional arguments to include when calling the command.
	 * @param array $assoc_args Associative arguments to include when calling the command.
	 * @param bool $exit_on_error Whether to exit if the command returns an elevated return code.
	 * @param bool $return_detailed Whether to return an exit status (default) or detailed execution results.
	 * @param array $runtime_args Override one or more global args (path,url,user,allow-root)
	 * @return int|ProcessRun The command exit status, or a ProcessRun instance
	 */
	public static function launch_self( $command, $args = array(), $assoc_args = array(), $exit_on_error = true, $return_detailed = false, $runtime_args = array() ) {
		$reused_runtime_args = array(
			'path',
			'url',
			'user',
			'allow-root',
		);

foreach ( $reused_runtime_args as $key ) {
			if ( isset( $runtime_args[ $key ] ) ) {
				$assoc_args[ $key ] = $runtime_args[ $key ];
				continue;
			}

$value = self::get_runner()->config[ $key ];
			if ( $value ) {
				$assoc_args[ $key ] = $value;
			}
		}

$php_bin = escapeshellarg( Utils\get_php_binary() );

$script_path = $GLOBALS['argv'][0];

$args       = implode( ' ', array_map( 'escapeshellarg', $args ) );
		$assoc_args = \WP_CLI\Utils\assoc_args_to_str( $assoc_args );

$full_command = "WP_CLI_CONFIG_PATH={$config_path} {$php_bin} {$script_path} {$command} {$args} {$assoc_args}";

return self::launch( $full_command, $exit_on_error, $return_detailed );
	}

/**
	 * Get the path to the PHP binary used when executing WP-CLI.
	 *
	 * Environment values permit specific binaries to be indicated.
	 *
	 * Note: moved to Utils, left for BC.
	 *
	 * @access public
	 * @category System
	 *
	 * @return string
	 */
	public static function get_php_binary() {
		return Utils\get_php_binary();
	}

/**
	 * Get values of global configuration parameters.
	 *
	 * Provides access to `--path=<path>`, `--url=<url>`, and other values of
	 * the [global configuration parameters](https://wp-cli.org/config/).
	 *
	 * ```
	 * WP_CLI::log( 'The --url=<url> value is: ' . WP_CLI::get_config( 'url' ) );
	 * ```
	 *
	 * @access public
	 * @category Input
	 *
	 * @param string $key Get value for a specific global configuration parameter.
	 * @return mixed
	 */
	public static function get_config( $key = null ) {
		if ( null === $key ) {
			return self::get_runner()->config;
		}

if ( ! isset( self::get_runner()->config[ $key ] ) ) {
			self::warning( "Unknown config option '$key'." );
			return null;
		}

return self::get_runner()->config[ $key ];
	}

/**
	 * Run a WP-CLI command.
	 *
	 * Launches a new child process to run a specified WP-CLI command.
	 * Optionally:
	 *
	 * * Run the command in an existing process.
	 * * Prevent halting script execution on error.
	 * * Capture and return STDOUT, or full details about command execution.
	 * * Parse JSON output if the command rendered it.
	 *
	 * ```
	 * $options = array(
	 *   'return'     => true,   // Return 'STDOUT'; use 'all' for full object.
	 *   'parse'      => 'json', // Parse captured STDOUT to JSON array.
	 *   'launch'     => false,  // Reuse the current process.
	 *   'exit_error' => true,   // Halt script execution on error.
	 * );
	 * $plugins = WP_CLI::runcommand( 'plugin list --format=json', $options );
	 * ```
	 *
	 * @access public
	 * @category Execution
	 *
	 * @param string $command WP-CLI command to run, including arguments.
	 * @param array  $options Configuration options for command execution.
	 * @return mixed
	 */
	public static function runcommand( $command, $options = array() ) {
		$defaults   = array(
			'launch'     => true, // Launch a new process, or reuse the existing.
			'exit_error' => true, // Exit on error by default.
			'return'     => false, // Capture and return output, or render in realtime.
			'parse'      => false, // Parse returned output as a particular format.
		);
		$options    = array_merge( $defaults, $options );
		$launch     = $options['launch'];
		$exit_error = $options['exit_error'];
		$return     = $options['return'];
		$parse      = $options['parse'];
		$retval     = null;
		if ( $launch ) {
			Utils\check_proc_available( 'launch option' );

$descriptors = array(
				0 => STDIN,
				1 => STDOUT,
				2 => STDERR,
			);

if ( $return ) {
				$descriptors = array(
					0 => STDIN,
					1 => array( 'pipe', 'w' ),
					2 => array( 'pipe', 'w' ),
				);
			}

$php_bin     = escapeshellarg( Utils\get_php_binary() );
			$script_path = $GLOBALS['argv'][0];

// Persist runtime arguments unless they've been specified otherwise.
			$configurator = \WP_CLI::get_configurator();
			$argv         = array_slice( $GLOBALS['argv'], 1 );

list( $ignore1, $ignore2, $runtime_config ) = $configurator->parse_args( $argv );
			foreach ( $runtime_config as $k => $v ) {
				if ( preg_match( "|^--{$k}=?$|", $command ) ) {
					unset( $runtime_config[ $k ] );
				}
			}
			$runtime_config = Utils\assoc_args_to_str( $runtime_config );

$runcommand = "{$php_bin} {$script_path} {$runtime_config} {$command}";

$proc = Utils\proc_open_compat( $runcommand, $descriptors, $pipes, getcwd() );

if ( $return ) {
				$stdout = stream_get_contents( $pipes[1] );
				fclose( $pipes[1] );
				$stderr = stream_get_contents( $pipes[2] );
				fclose( $pipes[2] );
			}
			$return_code = proc_close( $proc );
			if ( -1 == $return_code ) {
				self::warning( 'Spawned process returned exit code -1, which could be caused by a custom compiled version of PHP that uses the --enable-sigchild option.' );
			} elseif ( $return_code && $exit_error ) {
				exit( $return_code );
			}
			if ( true === $return || 'stdout' === $return ) {
				$retval = trim( $stdout );
			} elseif ( 'stderr' === $return ) {
				$retval = trim( $stderr );
			} elseif ( 'return_code' === $return ) {
				$retval = $return_code;
			} elseif ( 'all' === $return ) {
				$retval = (object) array(
					'stdout'      => trim( $stdout ),
					'stderr'      => trim( $stderr ),
					'return_code' => $return_code,
				);
			}
		} else {
			$configurator                               = self::get_configurator();
			$argv                                       = Utils\parse_str_to_argv( $command );
			list( $args, $assoc_args, $runtime_config ) = $configurator->parse_args( $argv );
			if ( $return ) {
				$existing_logger = self::$logger;
				self::$logger    = new WP_CLI\Loggers\Execution();
				self::$logger->ob_start();
			}
			if ( ! $exit_error ) {
				self::$capture_exit = true;
			}
			try {
				self::get_runner()->run_command(
					$args,
					$assoc_args,
					array(
						'back_compat_conversions' => true,
					)
				);
				$return_code = 0;
			} catch ( ExitException $e ) {
				$return_code = $e->getCode();
			}
			if ( $return ) {
				$execution_logger = self::$logger;
				$execution_logger->ob_end();
				self::$logger = $existing_logger;
				$stdout       = $execution_logger->stdout;
				$stderr       = $execution_logger->stderr;
				if ( true === $return || 'stdout' === $return ) {
					$retval = trim( $stdout );
				} elseif ( 'stderr' === $return ) {
					$retval = trim( $stderr );
				} elseif ( 'return_code' === $return ) {
					$retval = $return_code;
				} elseif ( 'all' === $return ) {
					$retval = (object) array(
						'stdout'      => trim( $stdout ),
						'stderr'      => trim( $stderr ),
						'return_code' => $return_code,
					);
				}
			}
			if ( ! $exit_error ) {
				self::$capture_exit = false;
			}
		}
		if ( ( true === $return || 'stdout' === $return )
			&& 'json' === $parse ) {
			$retval = json_decode( $retval, true );
		}
		return $retval;
	}

/**
	 * Run a given command within the current process using the same global
	 * parameters.
	 *
	 * Use `WP_CLI::runcommand()` instead, which is easier to use and works better.
	 *
	 * To run a command using a new process with the same global parameters,
	 * use WP_CLI::launch_self(). To run a command using a new process with
	 * different global parameters, use WP_CLI::launch().
	 *
	 * ```
	 * ob_start();
	 * WP_CLI::run_command( array( 'cli', 'cmd-dump' ) );
	 * $ret = ob_get_clean();
	 * ```
	 *
	 * @access public
	 * @category Execution
	 *
	 * @param array $args Positional arguments including command name.
	 * @param array $assoc_args
	 */
	public static function run_command( $args, $assoc_args = array() ) {
		self::get_runner()->run_command( $args, $assoc_args );
	}

// DEPRECATED STUFF

public static function add_man_dir() {
		trigger_error( 'WP_CLI::add_man_dir() is deprecated. Add docs inline.', E_USER_WARNING );
	}

// back-compat
	public static function out( $str ) {
		fwrite( STDOUT, $str );
	}

// back-compat
	// @codingStandardsIgnoreLine
	public static function addCommand( $name, $class ) {
		trigger_error(
			sprintf(
				'wp %s: %s is deprecated. use WP_CLI::add_command() instead.',
				$name,
				__FUNCTION__
			),
			E_USER_WARNING
		);
		self::add_command( $name, $class );
	}
}
<?php

// Utilities that depend on WordPress code.

namespace WP_CLI\Utils;

function wp_debug_mode() {
	if ( \WP_CLI::get_config( 'debug' ) ) {
		if ( ! defined( 'WP_DEBUG' ) ) {
			define( 'WP_DEBUG', true );
		}

error_reporting( E_ALL & ~E_DEPRECATED & ~E_STRICT );
	} else {
		if ( WP_DEBUG ) {
			error_reporting( E_ALL );

if ( WP_DEBUG_DISPLAY ) {
				ini_set( 'display_errors', 1 );
			} elseif ( null !== WP_DEBUG_DISPLAY ) {
				ini_set( 'display_errors', 0 );
			}

if ( WP_DEBUG_LOG ) {
				ini_set( 'log_errors', 1 );
				ini_set( 'error_log', WP_CONTENT_DIR . '/debug.log' );
			}
		} else {
			error_reporting( E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR );
		}

if ( defined( 'XMLRPC_REQUEST' ) || defined( 'REST_REQUEST' ) || ( defined( 'DOING_AJAX' ) && DOING_AJAX ) ) {
			ini_set( 'display_errors', 0 );
		}
	}

// XDebug already sends errors to STDERR
	ini_set( 'display_errors', function_exists( 'xdebug_debug_zval' ) ? false : 'STDERR' );
}

function replace_wp_die_handler() {
	\remove_filter( 'wp_die_handler', '_default_wp_die_handler' );
	\add_filter(
		'wp_die_handler',
		function() {
			return __NAMESPACE__ . '\\wp_die_handler';
		}
	);
}

function wp_die_handler( $message ) {
	if ( $message instanceof \WP_Error ) {
		$message = $message->get_error_message();
	}

$message = wp_clean_error_message( $message );

\WP_CLI::error( $message );
}

/**
 * Clean HTML error message so suitable for text display.
 */
function wp_clean_error_message( $message ) {
	$original_message = trim( $message );
	$message          = $original_message;
	if ( preg_match( '|^\<h1>(.+?)</h1>|', $original_message, $matches ) ) {
		$message = $matches[1] . '.';
	}
	if ( preg_match( '|\<p>(.+?)</p>|', $original_message, $matches ) ) {
		$message .= ' ' . $matches[1];
	}

$search_replace = array(
		'<code>'  => '`',
		'</code>' => '`',
	);
	$message        = str_replace( array_keys( $search_replace ), array_values( $search_replace ), $message );
	$message        = strip_tags( $message );
	$message        = html_entity_decode( $message, ENT_COMPAT, 'UTF-8' );

return $message;
}

function wp_redirect_handler( $url ) {
	\WP_CLI::warning( 'Some code is trying to do a URL redirect. Backtrace:' );

ob_start();
	debug_print_backtrace();
	fwrite( STDERR, ob_get_clean() );

return $url;
}

function maybe_require( $since, $path ) {
	if ( wp_version_compare( $since, '>=' ) ) {
		require $path;
	}
}

function get_upgrader( $class ) {
	if ( ! class_exists( '\WP_Upgrader' ) ) {
		require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
	}

return new $class( new \WP_CLI\UpgraderSkin() );
}

/**
 * Converts a plugin basename back into a friendly slug.
 */
function get_plugin_name( $basename ) {
	if ( false === strpos( $basename, '/' ) ) {
		$name = basename( $basename, '.php' );
	} else {
		$name = dirname( $basename );
	}

return $name;
}

function is_plugin_skipped( $file ) {
	$name = get_plugin_name( str_replace( WP_PLUGIN_DIR . '/', '', $file ) );

$skipped_plugins = \WP_CLI::get_runner()->config['skip-plugins'];
	if ( true === $skipped_plugins ) {
		return true;
	}

if ( ! is_array( $skipped_plugins ) ) {
		$skipped_plugins = explode( ',', $skipped_plugins );
	}

return in_array( $name, array_filter( $skipped_plugins ), true );
}

function get_theme_name( $path ) {
	return basename( $path );
}

function is_theme_skipped( $path ) {
	$name = get_theme_name( $path );

$skipped_themes = \WP_CLI::get_runner()->config['skip-themes'];
	if ( true === $skipped_themes ) {
		return true;
	}

if ( ! is_array( $skipped_themes ) ) {
		$skipped_themes = explode( ',', $skipped_themes );
	}

return in_array( $name, array_filter( $skipped_themes ), true );
}

/**
 * Register the sidebar for unused widgets
 * Core does this in /wp-admin/widgets.php, which isn't helpful
 */
function wp_register_unused_sidebar() {

register_sidebar(
		array(
			'name'          => __( 'Inactive Widgets' ),
			'id'            => 'wp_inactive_widgets',
			'class'         => 'inactive-sidebar',
			'description'   => __( 'Drag widgets here to remove them from the sidebar but keep their settings.' ),
			'before_widget' => '',
			'after_widget'  => '',
			'before_title'  => '',
			'after_title'   => '',
		)
	);

}

/**
 * Attempts to determine which object cache is being used.
 *
 * Note that the guesses made by this function are based on the WP_Object_Cache classes
 * that define the 3rd party object cache extension. Changes to those classes could render
 * problems with this function's ability to determine which object cache is being used.
 *
 * @return string
 */
function wp_get_cache_type() {
	global $_wp_using_ext_object_cache, $wp_object_cache;

if ( ! empty( $_wp_using_ext_object_cache ) ) {
		// Test for Memcached PECL extension memcached object cache (https://github.com/tollmanz/wordpress-memcached-backend)
		if ( isset( $wp_object_cache->m ) && is_a( $wp_object_cache->m, 'Memcached' ) ) {
			$message = 'Memcached';

// Test for Memcache PECL extension memcached object cache (http://wordpress.org/extend/plugins/memcached/)
		} elseif ( isset( $wp_object_cache->mc ) ) {
			$is_memcache = true;
			foreach ( $wp_object_cache->mc as $bucket ) {
				if ( ! is_a( $bucket, 'Memcache' ) && ! is_a( $bucket, 'Memcached' ) ) {
					$is_memcache = false;
				}
			}

if ( $is_memcache ) {
				$message = 'Memcache';
			}

// Test for Xcache object cache (http://plugins.svn.wordpress.org/xcache/trunk/object-cache.php)
		} elseif ( is_a( $wp_object_cache, 'XCache_Object_Cache' ) ) {
			$message = 'Xcache';

// Test for WinCache object cache (http://wordpress.org/extend/plugins/wincache-object-cache-backend/)
		} elseif ( class_exists( 'WinCache_Object_Cache' ) ) {
			$message = 'WinCache';

// Test for APC object cache (http://wordpress.org/extend/plugins/apc/)
		} elseif ( class_exists( 'APC_Object_Cache' ) ) {
			$message = 'APC';

// Test for Redis Object Cache (https://github.com/alleyinteractive/wp-redis)
		} elseif ( isset( $wp_object_cache->redis ) && is_a( $wp_object_cache->redis, 'Redis' ) ) {
			$message = 'Redis';

// Test for WP LCache Object cache (https://github.com/lcache/wp-lcache)
		} elseif ( isset( $wp_object_cache->lcache ) && is_a( $wp_object_cache->lcache, '\LCache\Integrated' ) ) {
			$message = 'WP LCache';

} elseif ( function_exists( 'w3_instance' ) ) {
			$config  = w3_instance( 'W3_Config' );
			$message = 'Unknown';

if ( $config->get_boolean( 'objectcache.enabled' ) ) {
				$message = 'W3TC ' . $config->get_string( 'objectcache.engine' );
			}
		} else {
			$message = 'Unknown';
		}
	} else {
		$message = 'Default';
	}
	return $message;
}

/**
 * Clear WordPress internal object caches.
 *
 * In long-running scripts, the internal caches on `$wp_object_cache` and `$wpdb`
 * can grow to consume gigabytes of memory. Periodically calling this utility
 * can help with memory management.
 *
 * @access public
 * @category System
 * @deprecated 1.5.0
 */
function wp_clear_object_cache() {
	global $wpdb, $wp_object_cache;

$wpdb->queries = array(); // or define( 'WP_IMPORTING', true );

if ( ! is_object( $wp_object_cache ) ) {
		return;
	}

// The following are Memcached (Redux) plugin specific (see https://core.trac.wordpress.org/ticket/31463).
	if ( isset( $wp_object_cache->group_ops ) ) {
		$wp_object_cache->group_ops = array();
	}
	if ( isset( $wp_object_cache->stats ) ) {
		$wp_object_cache->stats = array();
	}
	if ( isset( $wp_object_cache->memcache_debug ) ) {
		$wp_object_cache->memcache_debug = array();
	}
	// Used by `WP_Object_Cache` also.
	if ( isset( $wp_object_cache->cache ) ) {
		$wp_object_cache->cache = array();
	}
}

/**
 * Get a set of tables in the database.
 *
 * Interprets common command-line options into a resolved set of table names.
 *
 * @param array $args Provided table names, or tables with wildcards.
 * @param array $assoc_args Optional flags for groups of tables (e.g. --network)
 * @return array $tables
 */
function wp_get_table_names( $args, $assoc_args = array() ) {
	global $wpdb;

$tables = array();
	if ( get_flag_value( $assoc_args, 'all-tables' ) ) {
		$tables = $wpdb->get_col( 'SHOW TABLES' );

} elseif ( get_flag_value( $assoc_args, 'all-tables-with-prefix' ) ) {
		$tables = $wpdb->get_col( $wpdb->prepare( 'SHOW TABLES LIKE %s', esc_like( $wpdb->get_blog_prefix() ) . '%' ) );

} else {
		$scope = get_flag_value( $assoc_args, 'scope', 'all' );

// Note: BC change 1.5.0, taking scope into consideration for network also.
		if ( get_flag_value( $assoc_args, 'network' ) && is_multisite() ) {
			$network_global_scope = in_array( $scope, array( 'all', 'global', 'ms_global' ), true ) ? ( 'all' === $scope ? 'global' : $scope ) : '';
			$wp_tables            = array_values( $wpdb->tables( $network_global_scope ) );
			if ( in_array( $scope, array( 'all', 'blog' ), true ) ) {
				// Do directly for compat with old WP versions. Note: private, deleted, archived sites are not excluded.
				$blog_ids = $wpdb->get_col( "SELECT blog_id FROM $wpdb->blogs WHERE site_id = $wpdb->siteid" );
				foreach ( $blog_ids as $blog_id ) {
					$wp_tables = array_merge( $wp_tables, array_values( $wpdb->tables( 'blog', true /*prefix*/, $blog_id ) ) );
				}
			}
		} else {
			$wp_tables = array_values( $wpdb->tables( $scope ) );
		}

if ( ! global_terms_enabled() ) {
			// Only include sitecategories when it's actually enabled.
			$wp_tables = array_values( array_diff( $wp_tables, array( $wpdb->sitecategories ) ) );
		}

// Note: BC change 1.5.0, tables are sorted (via TABLES view).
		// @codingStandardsIgnoreLine
		$tables = $wpdb->get_col( sprintf( "SHOW TABLES WHERE %s IN ('%s')", esc_sql_ident( 'Tables_in_' . $wpdb->dbname ), implode( "', '", $wpdb->_escape( $wp_tables ) ) ) );
	}

// Filter by `$args`.
	if ( $args ) {
		$args_tables = array();
		foreach ( $args as $arg ) {
			if ( false !== strpos( $arg, '*' ) || false !== strpos( $arg, '?' ) ) {
				$args_tables = array_merge(
					$args_tables,
					array_filter(
						$tables,
						function ( $v ) use ( $arg ) {
							return fnmatch( $arg, $v );
						}
					)
				);
			} else {
				$args_tables[] = $arg;
			}
		}
		$args_tables = array_values( array_unique( $args_tables ) );
		$tables      = array_values( array_intersect( $tables, $args_tables ) );
		if ( empty( $tables ) ) {
			\WP_CLI::error( sprintf( "Couldn't find any tables matching: %s", implode( ' ', $args ) ) );
		}
	}

return $tables;
}
<?php

// Store the path to the Phar early on for `Utils\phar-safe-path()` function.
define( 'WP_CLI_PHAR_PATH', getcwd() );

if ( file_exists( 'phar://wp-cli.phar/php/wp-cli.php' ) ) {
	define( 'WP_CLI_ROOT', 'phar://wp-cli.phar' );
	include WP_CLI_ROOT . '/php/wp-cli.php';
} elseif ( file_exists( 'phar://wp-cli.phar/vendor/wp-cli/wp-cli/php/wp-cli.php' ) ) {
	define( 'WP_CLI_ROOT', 'phar://wp-cli.phar/vendor/wp-cli/wp-cli' );
	include WP_CLI_ROOT . '/php/wp-cli.php';
} else {
	echo "Couldn't find 'php/wp-cli.php'. Was this Phar built correctly?";
	exit( 1 );
}
#!/usr/bin/env php
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * A shell script to create a single-file class cache of the entire Mustache
 * library.
 *
 *     $ bin/build_bootstrap.php
 *
 * ... will create a `mustache.php` bootstrap file in the project directory,
 * containing all Mustache library classes. This file can then be included in
 * your project, rather than requiring the Mustache Autoloader.
 */
$baseDir = realpath(dirname(__FILE__) . '/..');

require $baseDir . '/src/Mustache/Autoloader.php';
Mustache_Autoloader::register();

// delete the old file
$file = $baseDir . '/mustache.php';
if (file_exists($file)) {
    unlink($file);
}

// and load the new one
SymfonyClassCollectionLoader::load(array(
    'Mustache_Engine',
    'Mustache_Cache',
    'Mustache_Cache_AbstractCache',
    'Mustache_Cache_FilesystemCache',
    'Mustache_Cache_NoopCache',
    'Mustache_Compiler',
    'Mustache_Context',
    'Mustache_Exception',
    'Mustache_Exception_InvalidArgumentException',
    'Mustache_Exception_LogicException',
    'Mustache_Exception_RuntimeException',
    'Mustache_Exception_SyntaxException',
    'Mustache_Exception_UnknownFilterException',
    'Mustache_Exception_UnknownHelperException',
    'Mustache_Exception_UnknownTemplateException',
    'Mustache_HelperCollection',
    'Mustache_LambdaHelper',
    'Mustache_Loader',
    'Mustache_Loader_ArrayLoader',
    'Mustache_Loader_CascadingLoader',
    'Mustache_Loader_FilesystemLoader',
    'Mustache_Loader_InlineLoader',
    'Mustache_Loader_MutableLoader',
    'Mustache_Loader_StringLoader',
    'Mustache_Logger',
    'Mustache_Logger_AbstractLogger',
    'Mustache_Logger_StreamLogger',
    'Mustache_Parser',
    'Mustache_Template',
    'Mustache_Tokenizer',
), dirname($file), basename($file, '.php'));

/**
 * SymfonyClassCollectionLoader.
 *
 * Based heavily on the Symfony ClassCollectionLoader component, with all
 * the unnecessary bits removed.
 *
 * @license http://www.opensource.org/licenses/MIT
 * @author Fabien Potencier <fabien@symfony.com>
 */
class SymfonyClassCollectionLoader
{
    private static $loaded;

const HEADER = <<<'EOS'
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-%d Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
EOS;

/**
     * Loads a list of classes and caches them in one big file.
     *
     * @param array  $classes   An array of classes to load
     * @param string $cacheDir  A cache directory
     * @param string $name      The cache name prefix
     * @param string $extension File extension of the resulting file
     *
     * @throws InvalidArgumentException When class can't be loaded
     */
    public static function load(array $classes, $cacheDir, $name, $extension = '.php')
    {
        // each $name can only be loaded once per PHP process
        if (isset(self::$loaded[$name])) {
            return;
        }

self::$loaded[$name] = true;

$content = '';
        foreach ($classes as $class) {
            if (!class_exists($class) && !interface_exists($class) && (!function_exists('trait_exists') || !trait_exists($class))) {
                throw new InvalidArgumentException(sprintf('Unable to load class "%s"', $class));
            }

$r = new ReflectionClass($class);
            $content .= preg_replace(array('/^\s*<\?php/', '/\?>\s*$/'), '', file_get_contents($r->getFileName()));
        }

$cache  = $cacheDir . '/' . $name . $extension;
        $header = sprintf(self::HEADER, strftime('%Y'));
        self::writeCacheFile($cache, $header . substr(self::stripComments('<?php ' . $content), 5));
    }

/**
     * Writes a cache file.
     *
     * @param string $file    Filename
     * @param string $content Temporary file content
     *
     * @throws RuntimeException when a cache file cannot be written
     */
    private static function writeCacheFile($file, $content)
    {
        $tmpFile = tempnam(dirname($file), basename($file));
        if (false !== @file_put_contents($tmpFile, $content) && @rename($tmpFile, $file)) {
            chmod($file, 0666 & ~umask());

return;
        }

throw new RuntimeException(sprintf('Failed to write cache file "%s".', $file));
    }

/**
     * Removes comments from a PHP source string.
     *
     * We don't use the PHP php_strip_whitespace() function
     * as we want the content to be readable and well-formatted.
     *
     * @param string $source A PHP string
     *
     * @return string The PHP string with the comments removed
     */
    private static function stripComments($source)
    {
        if (!function_exists('token_get_all')) {
            return $source;
        }

$output = '';
        foreach (token_get_all($source) as $token) {
            if (is_string($token)) {
                $output .= $token;
            } elseif (!in_array($token[0], array(T_COMMENT, T_DOC_COMMENT))) {
                $output .= $token[1];
            }
        }

// replace multiple new lines with a single newline
        $output = preg_replace(array('/\s+$/Sm', '/\n+/S'), "\n", $output);

return $output;
    }
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2017 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Mustache Tokenizer class.
 *
 * This class is responsible for turning raw template source into a set of Mustache tokens.
 */
class Mustache_Tokenizer
{
    // Finite state machine states
    const IN_TEXT     = 0;
    const IN_TAG_TYPE = 1;
    const IN_TAG      = 2;

// Token types
    const T_SECTION      = '#';
    const T_INVERTED     = '^';
    const T_END_SECTION  = '/';
    const T_COMMENT      = '!';
    const T_PARTIAL      = '>';
    const T_PARENT       = '<';
    const T_DELIM_CHANGE = '=';
    const T_ESCAPED      = '_v';
    const T_UNESCAPED    = '{';
    const T_UNESCAPED_2  = '&';
    const T_TEXT         = '_t';
    const T_PRAGMA       = '%';
    const T_BLOCK_VAR    = '$';
    const T_BLOCK_ARG    = '$arg';

// Valid token types
    private static $tagTypes = array(
        self::T_SECTION      => true,
        self::T_INVERTED     => true,
        self::T_END_SECTION  => true,
        self::T_COMMENT      => true,
        self::T_PARTIAL      => true,
        self::T_PARENT       => true,
        self::T_DELIM_CHANGE => true,
        self::T_ESCAPED      => true,
        self::T_UNESCAPED    => true,
        self::T_UNESCAPED_2  => true,
        self::T_PRAGMA       => true,
        self::T_BLOCK_VAR    => true,
    );

// Token properties
    const TYPE    = 'type';
    const NAME    = 'name';
    const OTAG    = 'otag';
    const CTAG    = 'ctag';
    const LINE    = 'line';
    const INDEX   = 'index';
    const END     = 'end';
    const INDENT  = 'indent';
    const NODES   = 'nodes';
    const VALUE   = 'value';
    const FILTERS = 'filters';

private $state;
    private $tagType;
    private $buffer;
    private $tokens;
    private $seenTag;
    private $line;
    private $otag;
    private $ctag;
    private $otagLen;
    private $ctagLen;

/**
     * Scan and tokenize template source.
     *
     * @throws Mustache_Exception_SyntaxException when mismatched section tags are encountered
     *
     * @param string $text       Mustache template source to tokenize
     * @param string $delimiters Optionally, pass initial opening and closing delimiters (default: null)
     *
     * @return array Set of Mustache tokens
     */
    public function scan($text, $delimiters = null)
    {
        // Setting mbstring.func_overload makes things *really* slow.
        // Let's do everyone a favor and scan this string as ASCII instead.
        //
        // @codeCoverageIgnoreStart
        $encoding = null;
        if (function_exists('mb_internal_encoding') && ini_get('mbstring.func_overload') & 2) {
            $encoding = mb_internal_encoding();
            mb_internal_encoding('ASCII');
        }
        // @codeCoverageIgnoreEnd

$this->reset();

if ($delimiters = trim($delimiters)) {
            $this->setDelimiters($delimiters);
        }

$len = strlen($text);
        for ($i = 0; $i < $len; $i++) {
            switch ($this->state) {
                case self::IN_TEXT:
                    if ($this->tagChange($this->otag, $this->otagLen, $text, $i)) {
                        $i--;
                        $this->flushBuffer();
                        $this->state = self::IN_TAG_TYPE;
                    } else {
                        $char = $text[$i];
                        $this->buffer .= $char;
                        if ($char === "\n") {
                            $this->flushBuffer();
                            $this->line++;
                        }
                    }
                    break;

case self::IN_TAG_TYPE:
                    $i += $this->otagLen - 1;
                    $char = $text[$i + 1];
                    if (isset(self::$tagTypes[$char])) {
                        $tag = $char;
                        $this->tagType = $tag;
                    } else {
                        $tag = null;
                        $this->tagType = self::T_ESCAPED;
                    }

if ($this->tagType === self::T_DELIM_CHANGE) {
                        $i = $this->changeDelimiters($text, $i);
                        $this->state = self::IN_TEXT;
                    } elseif ($this->tagType === self::T_PRAGMA) {
                        $i = $this->addPragma($text, $i);
                        $this->state = self::IN_TEXT;
                    } else {
                        if ($tag !== null) {
                            $i++;
                        }
                        $this->state = self::IN_TAG;
                    }
                    $this->seenTag = $i;
                    break;

default:
                    if ($this->tagChange($this->ctag, $this->ctagLen, $text, $i)) {
                        $token = array(
                            self::TYPE  => $this->tagType,
                            self::NAME  => trim($this->buffer),
                            self::OTAG  => $this->otag,
                            self::CTAG  => $this->ctag,
                            self::LINE  => $this->line,
                            self::INDEX => ($this->tagType === self::T_END_SECTION) ? $this->seenTag - $this->otagLen : $i + $this->ctagLen,
                        );

if ($this->tagType === self::T_UNESCAPED) {
                            // Clean up `{{{ tripleStache }}}` style tokens.
                            if ($this->ctag === '}}') {
                                if (($i + 2 < $len) && $text[$i + 2] === '}') {
                                    $i++;
                                } else {
                                    $msg = sprintf(
                                        'Mismatched tag delimiters: %s on line %d',
                                        $token[self::NAME],
                                        $token[self::LINE]
                                    );

throw new Mustache_Exception_SyntaxException($msg, $token);
                                }
                            } else {
                                $lastName = $token[self::NAME];
                                if (substr($lastName, -1) === '}') {
                                    $token[self::NAME] = trim(substr($lastName, 0, -1));
                                } else {
                                    $msg = sprintf(
                                        'Mismatched tag delimiters: %s on line %d',
                                        $token[self::NAME],
                                        $token[self::LINE]
                                    );

throw new Mustache_Exception_SyntaxException($msg, $token);
                                }
                            }
                        }

$this->buffer = '';
                        $i += $this->ctagLen - 1;
                        $this->state = self::IN_TEXT;
                        $this->tokens[] = $token;
                    } else {
                        $this->buffer .= $text[$i];
                    }
                    break;
            }
        }

$this->flushBuffer();

// Restore the user's encoding...
        // @codeCoverageIgnoreStart
        if ($encoding) {
            mb_internal_encoding($encoding);
        }
        // @codeCoverageIgnoreEnd

return $this->tokens;
    }

/**
     * Helper function to reset tokenizer internal state.
     */
    private function reset()
    {
        $this->state   = self::IN_TEXT;
        $this->tagType = null;
        $this->buffer  = '';
        $this->tokens  = array();
        $this->seenTag = false;
        $this->line    = 0;
        $this->otag    = '{{';
        $this->ctag    = '}}';
        $this->otagLen = 2;
        $this->ctagLen = 2;
    }

/**
     * Flush the current buffer to a token.
     */
    private function flushBuffer()
    {
        if (strlen($this->buffer) > 0) {
            $this->tokens[] = array(
                self::TYPE  => self::T_TEXT,
                self::LINE  => $this->line,
                self::VALUE => $this->buffer,
            );
            $this->buffer   = '';
        }
    }

/**
     * Change the current Mustache delimiters. Set new `otag` and `ctag` values.
     *
     * @param string $text  Mustache template source
     * @param int    $index Current tokenizer index
     *
     * @return int New index value
     */
    private function changeDelimiters($text, $index)
    {
        $startIndex = strpos($text, '=', $index) + 1;
        $close      = '=' . $this->ctag;
        $closeIndex = strpos($text, $close, $index);

$this->setDelimiters(trim(substr($text, $startIndex, $closeIndex - $startIndex)));

$this->tokens[] = array(
            self::TYPE => self::T_DELIM_CHANGE,
            self::LINE => $this->line,
        );

return $closeIndex + strlen($close) - 1;
    }

/**
     * Set the current Mustache `otag` and `ctag` delimiters.
     *
     * @param string $delimiters
     */
    private function setDelimiters($delimiters)
    {
        list($otag, $ctag) = explode(' ', $delimiters);
        $this->otag = $otag;
        $this->ctag = $ctag;
        $this->otagLen = strlen($otag);
        $this->ctagLen = strlen($ctag);
    }

/**
     * Add pragma token.
     *
     * Pragmas are hoisted to the front of the template, so all pragma tokens
     * will appear at the front of the token list.
     *
     * @param string $text
     * @param int    $index
     *
     * @return int New index value
     */
    private function addPragma($text, $index)
    {
        $end    = strpos($text, $this->ctag, $index);
        $pragma = trim(substr($text, $index + 2, $end - $index - 2));

// Pragmas are hoisted to the front of the template.
        array_unshift($this->tokens, array(
            self::TYPE => self::T_PRAGMA,
            self::NAME => $pragma,
            self::LINE => 0,
        ));

return $end + $this->ctagLen - 1;
    }

/**
     * Test whether it's time to change tags.
     *
     * @param string $tag    Current tag name
     * @param int    $tagLen Current tag name length
     * @param string $text   Mustache template source
     * @param int    $index  Current tokenizer index
     *
     * @return bool True if this is a closing section tag
     */
    private function tagChange($tag, $tagLen, $text, $index)
    {
        return substr($text, $index, $tagLen) === $tag;
    }
}
<?php

/**
 * A Mustache Stream Logger.
 *
 * The Stream Logger wraps a file resource instance (such as a stream) or a
 * stream URL. All log messages over the threshold level will be appended to
 * this stream.
 *
 * Hint: Try `php://stderr` for your stream URL.
 */
class Mustache_Logger_StreamLogger extends Mustache_Logger_AbstractLogger
{
    protected static $levels = array(
        self::DEBUG     => 100,
        self::INFO      => 200,
        self::NOTICE    => 250,
        self::WARNING   => 300,
        self::ERROR     => 400,
        self::CRITICAL  => 500,
        self::ALERT     => 550,
        self::EMERGENCY => 600,
    );

protected $level;
    protected $stream = null;
    protected $url    = null;

/**
     * @throws InvalidArgumentException if the logging level is unknown
     *
     * @param resource|string $stream Resource instance or URL
     * @param int             $level  The minimum logging level at which this handler will be triggered
     */
    public function __construct($stream, $level = Mustache_Logger::ERROR)
    {
        $this->setLevel($level);

if (is_resource($stream)) {
            $this->stream = $stream;
        } else {
            $this->url = $stream;
        }
    }

/**
     * Close stream resources.
     */
    public function __destruct()
    {
        if (is_resource($this->stream)) {
            fclose($this->stream);
        }
    }

/**
     * Set the minimum logging level.
     *
     * @throws Mustache_Exception_InvalidArgumentException if the logging level is unknown
     *
     * @param int $level The minimum logging level which will be written
     */
    public function setLevel($level)
    {
        if (!array_key_exists($level, self::$levels)) {
            throw new Mustache_Exception_InvalidArgumentException(sprintf('Unexpected logging level: %s', $level));
        }

$this->level = $level;
    }

/**
     * Get the current minimum logging level.
     *
     * @return int
     */
    public function getLevel()
    {
        return $this->level;
    }

/**
     * Logs with an arbitrary level.
     *
     * @throws Mustache_Exception_InvalidArgumentException if the logging level is unknown
     *
     * @param mixed  $level
     * @param string $message
     * @param array  $context
     */
    public function log($level, $message, array $context = array())
    {
        if (!array_key_exists($level, self::$levels)) {
            throw new Mustache_Exception_InvalidArgumentException(sprintf('Unexpected logging level: %s', $level));
        }

if (self::$levels[$level] >= self::$levels[$this->level]) {
            $this->writeLog($level, $message, $context);
        }
    }

/**
     * Write a record to the log.
     *
     * @throws Mustache_Exception_LogicException   If neither a stream resource nor url is present
     * @throws Mustache_Exception_RuntimeException If the stream url cannot be opened
     *
     * @param int    $level   The logging level
     * @param string $message The log message
     * @param array  $context The log context
     */
    protected function writeLog($level, $message, array $context = array())
    {
        if (!is_resource($this->stream)) {
            if (!isset($this->url)) {
                throw new Mustache_Exception_LogicException('Missing stream url, the stream can not be opened. This may be caused by a premature call to close().');
            }

$this->stream = fopen($this->url, 'a');
            if (!is_resource($this->stream)) {
                // @codeCoverageIgnoreStart
                throw new Mustache_Exception_RuntimeException(sprintf('The stream or file "%s" could not be opened.', $this->url));
                // @codeCoverageIgnoreEnd
            }
        }

fwrite($this->stream, self::formatLine($level, $message, $context));
    }

/**
     * Gets the name of the logging level.
     *
     * @throws InvalidArgumentException if the logging level is unknown
     *
     * @param int $level
     *
     * @return string
     */
    protected static function getLevelName($level)
    {
        return strtoupper($level);
    }

/**
     * Format a log line for output.
     *
     * @param int    $level   The logging level
     * @param string $message The log message
     * @param array  $context The log context
     *
     * @return string
     */
    protected static function formatLine($level, $message, array $context = array())
    {
        return sprintf(
            "%s: %s\n",
            self::getLevelName($level),
            self::interpolateMessage($message, $context)
        );
    }

/**
     * Interpolate context values into the message placeholders.
     *
     * @param string $message
     * @param array  $context
     *
     * @return string
     */
    protected static function interpolateMessage($message, array $context = array())
    {
        if (strpos($message, '{') === false) {
            return $message;
        }

// build a replacement array with braces around the context keys
        $replace = array();
        foreach ($context as $key => $val) {
            $replace['{' . $key . '}'] = $val;
        }

// interpolate replacement values into the the message and return
        return strtr($message, $replace);
    }
}
<?php

/**
 * This is a simple Logger implementation that other Loggers can inherit from.
 *
 * This is identical to the Psr\Log\AbstractLogger.
 *
 * It simply delegates all log-level-specific methods to the `log` method to
 * reduce boilerplate code that a simple Logger that does the same thing with
 * messages regardless of the error level has to implement.
 */
abstract class Mustache_Logger_AbstractLogger implements Mustache_Logger
{
    /**
     * System is unusable.
     *
     * @param string $message
     * @param array  $context
     */
    public function emergency($message, array $context = array())
    {
        $this->log(Mustache_Logger::EMERGENCY, $message, $context);
    }

/**
     * Action must be taken immediately.
     *
     * Example: Entire website down, database unavailable, etc. This should
     * trigger the SMS alerts and wake you up.
     *
     * @param string $message
     * @param array  $context
     */
    public function alert($message, array $context = array())
    {
        $this->log(Mustache_Logger::ALERT, $message, $context);
    }

/**
     * Critical conditions.
     *
     * Example: Application component unavailable, unexpected exception.
     *
     * @param string $message
     * @param array  $context
     */
    public function critical($message, array $context = array())
    {
        $this->log(Mustache_Logger::CRITICAL, $message, $context);
    }

/**
     * Runtime errors that do not require immediate action but should typically
     * be logged and monitored.
     *
     * @param string $message
     * @param array  $context
     */
    public function error($message, array $context = array())
    {
        $this->log(Mustache_Logger::ERROR, $message, $context);
    }

/**
     * Exceptional occurrences that are not errors.
     *
     * Example: Use of deprecated APIs, poor use of an API, undesirable things
     * that are not necessarily wrong.
     *
     * @param string $message
     * @param array  $context
     */
    public function warning($message, array $context = array())
    {
        $this->log(Mustache_Logger::WARNING, $message, $context);
    }

/**
     * Normal but significant events.
     *
     * @param string $message
     * @param array  $context
     */
    public function notice($message, array $context = array())
    {
        $this->log(Mustache_Logger::NOTICE, $message, $context);
    }

/**
     * Interesting events.
     *
     * Example: User logs in, SQL logs.
     *
     * @param string $message
     * @param array  $context
     */
    public function info($message, array $context = array())
    {
        $this->log(Mustache_Logger::INFO, $message, $context);
    }

/**
     * Detailed debug information.
     *
     * @param string $message
     * @param array  $context
     */
    public function debug($message, array $context = array())
    {
        $this->log(Mustache_Logger::DEBUG, $message, $context);
    }
}
<?php

/**
 * Describes a Mustache logger instance.
 *
 * This is identical to the Psr\Log\LoggerInterface.
 *
 * The message MUST be a string or object implementing __toString().
 *
 * The message MAY contain placeholders in the form: {foo} where foo
 * will be replaced by the context data in key "foo".
 *
 * The context array can contain arbitrary data, the only assumption that
 * can be made by implementors is that if an Exception instance is given
 * to produce a stack trace, it MUST be in a key named "exception".
 *
 * See https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-3-logger-interface.md
 * for the full interface specification.
 */
interface Mustache_Logger
{
    /**
     * Psr\Log compatible log levels.
     */
    const EMERGENCY = 'emergency';
    const ALERT     = 'alert';
    const CRITICAL  = 'critical';
    const ERROR     = 'error';
    const WARNING   = 'warning';
    const NOTICE    = 'notice';
    const INFO      = 'info';
    const DEBUG     = 'debug';

/**
     * System is unusable.
     *
     * @param string $message
     * @param array  $context
     */
    public function emergency($message, array $context = array());

/**
     * Normal but significant events.
     *
     * @param string $message
     * @param array  $context
     */
    public function notice($message, array $context = array());

/**
     * Interesting events.
     *
     * Example: User logs in, SQL logs.
     *
     * @param string $message
     * @param array  $context
     */
    public function info($message, array $context = array());

/**
     * Detailed debug information.
     *
     * @param string $message
     * @param array  $context
     */
    public function debug($message, array $context = array());

/**
     * Logs with an arbitrary level.
     *
     * @param mixed  $level
     * @param string $message
     * @param array  $context
     */
    public function log($level, $message, array $context = array());
}
<?php

/**
 * Mustache Lambda Helper.
 *
 * Passed as the second argument to section lambdas (higher order sections),
 * giving them access to a `render` method for rendering a string with the
 * current context.
 */
class Mustache_LambdaHelper
{
    private $mustache;
    private $context;
    private $delims;

/**
     * Mustache Lambda Helper constructor.
     *
     * @param Mustache_Engine  $mustache Mustache engine instance
     * @param Mustache_Context $context  Rendering context
     * @param string           $delims   Optional custom delimiters, in the format `{{= <% %> =}}`. (default: null)
     */
    public function __construct(Mustache_Engine $mustache, Mustache_Context $context, $delims = null)
    {
        $this->mustache = $mustache;
        $this->context  = $context;
        $this->delims   = $delims;
    }

/**
     * Render a string as a Mustache template with the current rendering context.
     *
     * @param string $string
     *
     * @return string Rendered template
     */
    public function render($string)
    {
        return $this->mustache
            ->loadLambda((string) $string, $this->delims)
            ->renderInternal($this->context);
    }

/**
     * Render a string as a Mustache template with the current rendering context.
     *
     * @param string $string
     *
     * @return string Rendered template
     */
    public function __invoke($string)
    {
        return $this->render($string);
    }

/**
     * Get a Lambda Helper with custom delimiters.
     *
     * @param string $delims Custom delimiters, in the format `{{= <% %> =}}`
     *
     * @return Mustache_LambdaHelper
     */
    public function withDelimiters($delims)
    {
        return new self($this->mustache, $this->context, $delims);
    }
}
<?php

/**
 * Mustache Parser class.
 *
 * This class is responsible for turning a set of Mustache tokens into a parse tree.
 */
class Mustache_Parser
{
    private $lineNum;
    private $lineTokens;
    private $pragmas;
    private $defaultPragmas = array();

private $pragmaFilters;
    private $pragmaBlocks;

/**
     * Process an array of Mustache tokens and convert them into a parse tree.
     *
     * @param array $tokens Set of Mustache tokens
     *
     * @return array Mustache token parse tree
     */
    public function parse(array $tokens = array())
    {
        $this->lineNum    = -1;
        $this->lineTokens = 0;
        $this->pragmas    = $this->defaultPragmas;

$this->pragmaFilters = isset($this->pragmas[Mustache_Engine::PRAGMA_FILTERS]);
        $this->pragmaBlocks  = isset($this->pragmas[Mustache_Engine::PRAGMA_BLOCKS]);

return $this->buildTree($tokens);
    }

/**
     * Enable pragmas across all templates, regardless of the presence of pragma
     * tags in the individual templates.
     *
     * @internal Users should set global pragmas in Mustache_Engine, not here :)
     *
     * @param string[] $pragmas
     */
    public function setPragmas(array $pragmas)
    {
        $this->pragmas = array();
        foreach ($pragmas as $pragma) {
            $this->enablePragma($pragma);
        }
        $this->defaultPragmas = $this->pragmas;
    }

/**
     * Helper method for recursively building a parse tree.
     *
     * @throws Mustache_Exception_SyntaxException when nesting errors or mismatched section tags are encountered
     *
     * @param array &$tokens Set of Mustache tokens
     * @param array $parent  Parent token (default: null)
     *
     * @return array Mustache Token parse tree
     */
    private function buildTree(array &$tokens, array $parent = null)
    {
        $nodes = array();

while (!empty($tokens)) {
            $token = array_shift($tokens);

if ($token[Mustache_Tokenizer::LINE] === $this->lineNum) {
                $this->lineTokens++;
            } else {
                $this->lineNum    = $token[Mustache_Tokenizer::LINE];
                $this->lineTokens = 0;
            }

if ($this->pragmaFilters && isset($token[Mustache_Tokenizer::NAME])) {
                list($name, $filters) = $this->getNameAndFilters($token[Mustache_Tokenizer::NAME]);
                if (!empty($filters)) {
                    $token[Mustache_Tokenizer::NAME]    = $name;
                    $token[Mustache_Tokenizer::FILTERS] = $filters;
                }
            }

switch ($token[Mustache_Tokenizer::TYPE]) {
                case Mustache_Tokenizer::T_DELIM_CHANGE:
                    $this->checkIfTokenIsAllowedInParent($parent, $token);
                    $this->clearStandaloneLines($nodes, $tokens);
                    break;

case Mustache_Tokenizer::T_SECTION:
                case Mustache_Tokenizer::T_INVERTED:
                    $this->checkIfTokenIsAllowedInParent($parent, $token);
                    $this->clearStandaloneLines($nodes, $tokens);
                    $nodes[] = $this->buildTree($tokens, $token);
                    break;

case Mustache_Tokenizer::T_END_SECTION:
                    if (!isset($parent)) {
                        $msg = sprintf(
                            'Unexpected closing tag: /%s on line %d',
                            $token[Mustache_Tokenizer::NAME],
                            $token[Mustache_Tokenizer::LINE]
                        );
                        throw new Mustache_Exception_SyntaxException($msg, $token);
                    }

if ($token[Mustache_Tokenizer::NAME] !== $parent[Mustache_Tokenizer::NAME]) {
                        $msg = sprintf(
                            'Nesting error: %s (on line %d) vs. %s (on line %d)',
                            $parent[Mustache_Tokenizer::NAME],
                            $parent[Mustache_Tokenizer::LINE],
                            $token[Mustache_Tokenizer::NAME],
                            $token[Mustache_Tokenizer::LINE]
                        );
                        throw new Mustache_Exception_SyntaxException($msg, $token);
                    }

$this->clearStandaloneLines($nodes, $tokens);
                    $parent[Mustache_Tokenizer::END]   = $token[Mustache_Tokenizer::INDEX];
                    $parent[Mustache_Tokenizer::NODES] = $nodes;

return $parent;

case Mustache_Tokenizer::T_PARTIAL:
                    $this->checkIfTokenIsAllowedInParent($parent, $token);
                    //store the whitespace prefix for laters!
                    if ($indent = $this->clearStandaloneLines($nodes, $tokens)) {
                        $token[Mustache_Tokenizer::INDENT] = $indent[Mustache_Tokenizer::VALUE];
                    }
                    $nodes[] = $token;
                    break;

case Mustache_Tokenizer::T_PARENT:
                    $this->checkIfTokenIsAllowedInParent($parent, $token);
                    $nodes[] = $this->buildTree($tokens, $token);
                    break;

case Mustache_Tokenizer::T_BLOCK_VAR:
                    if ($this->pragmaBlocks) {
                        // BLOCKS pragma is enabled, let's do this!
                        if ($parent[Mustache_Tokenizer::TYPE] === Mustache_Tokenizer::T_PARENT) {
                            $token[Mustache_Tokenizer::TYPE] = Mustache_Tokenizer::T_BLOCK_ARG;
                        }
                        $this->clearStandaloneLines($nodes, $tokens);
                        $nodes[] = $this->buildTree($tokens, $token);
                    } else {
                        // pretend this was just a normal "escaped" token...
                        $token[Mustache_Tokenizer::TYPE] = Mustache_Tokenizer::T_ESCAPED;
                        // TODO: figure out how to figure out if there was a space after this dollar:
                        $token[Mustache_Tokenizer::NAME] = '$' . $token[Mustache_Tokenizer::NAME];
                        $nodes[] = $token;
                    }
                    break;

case Mustache_Tokenizer::T_PRAGMA:
                    $this->enablePragma($token[Mustache_Tokenizer::NAME]);
                    // no break

case Mustache_Tokenizer::T_COMMENT:
                    $this->clearStandaloneLines($nodes, $tokens);
                    $nodes[] = $token;
                    break;

default:
                    $nodes[] = $token;
                    break;
            }
        }

if (isset($parent)) {
            $msg = sprintf(
                'Missing closing tag: %s opened on line %d',
                $parent[Mustache_Tokenizer::NAME],
                $parent[Mustache_Tokenizer::LINE]
            );
            throw new Mustache_Exception_SyntaxException($msg, $parent);
        }

return $nodes;
    }

/**
     * Clear standalone line tokens.
     *
     * Returns a whitespace token for indenting partials, if applicable.
     *
     * @param array $nodes  Parsed nodes
     * @param array $tokens Tokens to be parsed
     *
     * @return array|null Resulting indent token, if any
     */
    private function clearStandaloneLines(array &$nodes, array &$tokens)
    {
        if ($this->lineTokens > 1) {
            // this is the third or later node on this line, so it can't be standalone
            return;
        }

$prev = null;
        if ($this->lineTokens === 1) {
            // this is the second node on this line, so it can't be standalone
            // unless the previous node is whitespace.
            if ($prev = end($nodes)) {
                if (!$this->tokenIsWhitespace($prev)) {
                    return;
                }
            }
        }

if ($next = reset($tokens)) {
            // If we're on a new line, bail.
            if ($next[Mustache_Tokenizer::LINE] !== $this->lineNum) {
                return;
            }

// If the next token isn't whitespace, bail.
            if (!$this->tokenIsWhitespace($next)) {
                return;
            }

if (count($tokens) !== 1) {
                // Unless it's the last token in the template, the next token
                // must end in newline for this to be standalone.
                if (substr($next[Mustache_Tokenizer::VALUE], -1) !== "\n") {
                    return;
                }
            }

// Discard the whitespace suffix
            array_shift($tokens);
        }

if ($prev) {
            // Return the whitespace prefix, if any
            return array_pop($nodes);
        }
    }

/**
     * Check whether token is a whitespace token.
     *
     * True if token type is T_TEXT and value is all whitespace characters.
     *
     * @param array $token
     *
     * @return bool True if token is a whitespace token
     */
    private function tokenIsWhitespace(array $token)
    {
        if ($token[Mustache_Tokenizer::TYPE] === Mustache_Tokenizer::T_TEXT) {
            return preg_match('/^\s*$/', $token[Mustache_Tokenizer::VALUE]);
        }

return false;
    }

/**
     * Check whether a token is allowed inside a parent tag.
     *
     * @throws Mustache_Exception_SyntaxException if an invalid token is found inside a parent tag
     *
     * @param array|null $parent
     * @param array      $token
     */
    private function checkIfTokenIsAllowedInParent($parent, array $token)
    {
        if ($parent[Mustache_Tokenizer::TYPE] === Mustache_Tokenizer::T_PARENT) {
            throw new Mustache_Exception_SyntaxException('Illegal content in < parent tag', $token);
        }
    }

/**
     * Split a tag name into name and filters.
     *
     * @param string $name
     *
     * @return array [Tag name, Array of filters]
     */
    private function getNameAndFilters($name)
    {
        $filters = array_map('trim', explode('|', $name));
        $name    = array_shift($filters);

return array($name, $filters);
    }

/**
     * Enable a pragma.
     *
     * @param string $name
     */
    private function enablePragma($name)
    {
        $this->pragmas[$name] = true;

switch ($name) {
            case Mustache_Engine::PRAGMA_BLOCKS:
                $this->pragmaBlocks = true;
                break;

case Mustache_Engine::PRAGMA_FILTERS:
                $this->pragmaFilters = true;
                break;
        }
    }
}
<?php

/**
 * Mustache class autoloader.
 */
class Mustache_Autoloader
{
    private $baseDir;

/**
     * An array where the key is the baseDir and the key is an instance of this
     * class.
     *
     * @var array
     */
    private static $instances;

/**
     * Autoloader constructor.
     *
     * @param string $baseDir Mustache library base directory (default: dirname(__FILE__).'/..')
     */
    public function __construct($baseDir = null)
    {
        if ($baseDir === null) {
            $baseDir = dirname(__FILE__) . '/..';
        }

// realpath doesn't always work, for example, with stream URIs
        $realDir = realpath($baseDir);
        if (is_dir($realDir)) {
            $this->baseDir = $realDir;
        } else {
            $this->baseDir = $baseDir;
        }
    }

/**
     * Register a new instance as an SPL autoloader.
     *
     * @param string $baseDir Mustache library base directory (default: dirname(__FILE__).'/..')
     *
     * @return Mustache_Autoloader Registered Autoloader instance
     */
    public static function register($baseDir = null)
    {
        $key = $baseDir ? $baseDir : 0;

if (!isset(self::$instances[$key])) {
            self::$instances[$key] = new self($baseDir);
        }

$loader = self::$instances[$key];
        spl_autoload_register(array($loader, 'autoload'));

return $loader;
    }

/**
     * Autoload Mustache classes.
     *
     * @param string $class
     */
    public function autoload($class)
    {
        if ($class[0] === '\\') {
            $class = substr($class, 1);
        }

if (strpos($class, 'Mustache') !== 0) {
            return;
        }

$file = sprintf('%s/%s.php', $this->baseDir, str_replace('_', '/', $class));
        if (is_file($file)) {
            require $file;
        }
    }
}
<?php

/**
 * A Mustache Template cascading loader implementation, which delegates to other
 * Loader instances.
 */
class Mustache_Loader_CascadingLoader implements Mustache_Loader
{
    private $loaders;

/**
     * Construct a CascadingLoader with an array of loaders.
     *
     *     $loader = new Mustache_Loader_CascadingLoader(array(
     *         new Mustache_Loader_InlineLoader(__FILE__, __COMPILER_HALT_OFFSET__),
     *         new Mustache_Loader_FilesystemLoader(__DIR__.'/templates')
     *     ));
     *
     * @param Mustache_Loader[] $loaders
     */
    public function __construct(array $loaders = array())
    {
        $this->loaders = array();
        foreach ($loaders as $loader) {
            $this->addLoader($loader);
        }
    }

/**
     * Add a Loader instance.
     *
     * @param Mustache_Loader $loader
     */
    public function addLoader(Mustache_Loader $loader)
    {
        $this->loaders[] = $loader;
    }

/**
     * Load a Template by name.
     *
     * @throws Mustache_Exception_UnknownTemplateException If a template file is not found
     *
     * @param string $name
     *
     * @return string Mustache Template source
     */
    public function load($name)
    {
        foreach ($this->loaders as $loader) {
            try {
                return $loader->load($name);
            } catch (Mustache_Exception_UnknownTemplateException $e) {
                // do nothing, check the next loader.
            }
        }

throw new Mustache_Exception_UnknownTemplateException($name);
    }
}
<?php

/**
 * Mustache Template mutable Loader interface.
 */
interface Mustache_Loader_MutableLoader
{
    /**
     * Set an associative array of Template sources for this loader.
     *
     * @param array $templates
     */
    public function setTemplates(array $templates);

/**
     * Set a Template source by name.
     *
     * @param string $name
     * @param string $template Mustache Template source
     */
    public function setTemplate($name, $template);
}
<?php

/**
 * A Mustache Template loader for inline templates.
 *
 * With the InlineLoader, templates can be defined at the end of any PHP source
 * file:
 *
 *     $loader  = new Mustache_Loader_InlineLoader(__FILE__, __COMPILER_HALT_OFFSET__);
 *     $hello   = $loader->load('hello');
 *     $goodbye = $loader->load('goodbye');
 *
 *     __halt_compiler();
 *
 *     @@ hello
 *     Hello, {{ planet }}!
 *
 *     @@ goodbye
 *     Goodbye, cruel {{ planet }}
 *
 * Templates are deliniated by lines containing only `@@ name`.
 *
 * The InlineLoader is well-suited to micro-frameworks such as Silex:
 *
 *     $app->register(new MustacheServiceProvider, array(
 *         'mustache.loader' => new Mustache_Loader_InlineLoader(__FILE__, __COMPILER_HALT_OFFSET__)
 *     ));
 *
 *     $app->get('/{name}', function ($name) use ($app) {
 *         return $app['mustache']->render('hello', compact('name'));
 *     })
 *     ->value('name', 'world');
 *
 *     // ...
 *
 *     __halt_compiler();
 *
 *     @@ hello
 *     Hello, {{ name }}!
 */
class Mustache_Loader_InlineLoader implements Mustache_Loader
{
    protected $fileName;
    protected $offset;
    protected $templates;

/**
     * The InlineLoader requires a filename and offset to process templates.
     *
     * The magic constants `__FILE__` and `__COMPILER_HALT_OFFSET__` are usually
     * perfectly suited to the job:
     *
     *     $loader = new Mustache_Loader_InlineLoader(__FILE__, __COMPILER_HALT_OFFSET__);
     *
     * Note that this only works if the loader is instantiated inside the same
     * file as the inline templates. If the templates are located in another
     * file, it would be necessary to manually specify the filename and offset.
     *
     * @param string $fileName The file to parse for inline templates
     * @param int    $offset   A string offset for the start of the templates.
     *                         This usually coincides with the `__halt_compiler`
     *                         call, and the `__COMPILER_HALT_OFFSET__`
     */
    public function __construct($fileName, $offset)
    {
        if (!is_file($fileName)) {
            throw new Mustache_Exception_InvalidArgumentException('InlineLoader expects a valid filename.');
        }

if (!is_int($offset) || $offset < 0) {
            throw new Mustache_Exception_InvalidArgumentException('InlineLoader expects a valid file offset.');
        }

$this->fileName = $fileName;
        $this->offset   = $offset;
    }

if (!array_key_exists($name, $this->templates)) {
            throw new Mustache_Exception_UnknownTemplateException($name);
        }

return $this->templates[$name];
    }

/**
     * Parse and load templates from the end of a source file.
     */
    protected function loadTemplates()
    {
        if ($this->templates === null) {
            $this->templates = array();
            $data = file_get_contents($this->fileName, false, null, $this->offset);
            foreach (preg_split("/^@@(?= [\w\d\.]+$)/m", $data, -1) as $chunk) {
                if (trim($chunk)) {
                    list($name, $content)         = explode("\n", $chunk, 2);
                    $this->templates[trim($name)] = trim($content);
                }
            }
        }
    }
}
<?php

/**
 * Mustache Template string Loader implementation.
 *
 * A StringLoader instance is essentially a noop. It simply passes the 'name' argument straight through:
 *
 *     $loader = new StringLoader;
 *     $tpl = $loader->load('{{ foo }}'); // '{{ foo }}'
 *
 * This is the default Template Loader instance used by Mustache:
 *
 *     $m = new Mustache;
 *     $tpl = $m->loadTemplate('{{ foo }}');
 *     echo $tpl->render(array('foo' => 'bar')); // "bar"
 */
class Mustache_Loader_StringLoader implements Mustache_Loader
{
    /**
     * Load a Template by source.
     *
     * @param string $name Mustache Template source
     *
     * @return string Mustache Template source
     */
    public function load($name)
    {
        return $name;
    }
}
<?php

/**
 * Mustache Template filesystem Loader implementation.
 *
 * A FilesystemLoader instance loads Mustache Template source from the filesystem by name:
 *
 *     $loader = new Mustache_Loader_FilesystemLoader(dirname(__FILE__).'/views');
 *     $tpl = $loader->load('foo'); // equivalent to `file_get_contents(dirname(__FILE__).'/views/foo.mustache');
 *
 * This is probably the most useful Mustache Loader implementation. It can be used for partials and normal Templates:
 *
 *     $m = new Mustache(array(
 *          'loader'          => new Mustache_Loader_FilesystemLoader(dirname(__FILE__).'/views'),
 *          'partials_loader' => new Mustache_Loader_FilesystemLoader(dirname(__FILE__).'/views/partials'),
 *     ));
 */
class Mustache_Loader_FilesystemLoader implements Mustache_Loader
{
    private $baseDir;
    private $extension = '.mustache';
    private $templates = array();

/**
     * Mustache filesystem Loader constructor.
     *
     * Passing an $options array allows overriding certain Loader options during instantiation:
     *
     *     $options = array(
     *         // The filename extension used for Mustache templates. Defaults to '.mustache'
     *         'extension' => '.ms',
     *     );
     *
     * @throws Mustache_Exception_RuntimeException if $baseDir does not exist
     *
     * @param string $baseDir Base directory containing Mustache template files
     * @param array  $options Array of Loader options (default: array())
     */
    public function __construct($baseDir, array $options = array())
    {
        $this->baseDir = $baseDir;

if (strpos($this->baseDir, '://') === false) {
            $this->baseDir = realpath($this->baseDir);
        }

if ($this->shouldCheckPath() && !is_dir($this->baseDir)) {
            throw new Mustache_Exception_RuntimeException(sprintf('FilesystemLoader baseDir must be a directory: %s', $baseDir));
        }

if (array_key_exists('extension', $options)) {
            if (empty($options['extension'])) {
                $this->extension = '';
            } else {
                $this->extension = '.' . ltrim($options['extension'], '.');
            }
        }
    }

/**
     * Load a Template by name.
     *
     *     $loader = new Mustache_Loader_FilesystemLoader(dirname(__FILE__).'/views');
     *     $loader->load('admin/dashboard'); // loads "./views/admin/dashboard.mustache";
     *
     * @param string $name
     *
     * @return string Mustache Template source
     */
    public function load($name)
    {
        if (!isset($this->templates[$name])) {
            $this->templates[$name] = $this->loadFile($name);
        }

return $this->templates[$name];
    }

/**
     * Helper function for loading a Mustache file by name.
     *
     * @throws Mustache_Exception_UnknownTemplateException If a template file is not found
     *
     * @param string $name
     *
     * @return string Mustache Template source
     */
    protected function loadFile($name)
    {
        $fileName = $this->getFileName($name);

if ($this->shouldCheckPath() && !file_exists($fileName)) {
            throw new Mustache_Exception_UnknownTemplateException($name);
        }

return file_get_contents($fileName);
    }

/**
     * Helper function for getting a Mustache template file name.
     *
     * @param string $name
     *
     * @return string Template file name
     */
    protected function getFileName($name)
    {
        $fileName = $this->baseDir . '/' . $name;
        if (substr($fileName, 0 - strlen($this->extension)) !== $this->extension) {
            $fileName .= $this->extension;
        }

return $fileName;
    }

/**
     * Only check if baseDir is a directory and requested templates are files if
     * baseDir is using the filesystem stream wrapper.
     *
     * @return bool Whether to check `is_dir` and `file_exists`
     */
    protected function shouldCheckPath()
    {
        return strpos($this->baseDir, '://') === false || strpos($this->baseDir, 'file://') === 0;
    }
}
<?php

/**
 * Mustache Template production filesystem Loader implementation.
 *
 * A production-ready FilesystemLoader, which doesn't require reading a file if it already exists in the template cache.
 *
 * {@inheritdoc}
 */
class Mustache_Loader_ProductionFilesystemLoader extends Mustache_Loader_FilesystemLoader
{
    private $statProps;

/**
     * Mustache production filesystem Loader constructor.
     *
     * Passing an $options array allows overriding certain Loader options during instantiation:
     *
     *     $options = array(
     *         // The filename extension used for Mustache templates. Defaults to '.mustache'
     *         'extension' => '.ms',
     *         'stat_props' => array('size', 'mtime'),
     *     );
     *
     * Specifying 'stat_props' overrides the stat properties used to invalidate the template cache. By default, this
     * uses 'mtime' and 'size', but this can be set to any of the properties supported by stat():
     *
     *     http://php.net/manual/en/function.stat.php
     *
     * You can also disable filesystem stat entirely:
     *
     *     $options = array('stat_props' => null);
     *
     * But with great power comes great responsibility. Namely, if you disable stat-based cache invalidation,
     * YOU MUST CLEAR THE TEMPLATE CACHE YOURSELF when your templates change. Make it part of your build or deploy
     * process so you don't forget!
     *
     * @throws Mustache_Exception_RuntimeException if $baseDir does not exist.
     *
     * @param string $baseDir Base directory containing Mustache template files.
     * @param array  $options Array of Loader options (default: array())
     */
    public function __construct($baseDir, array $options = array())
    {
        parent::__construct($baseDir, $options);

if (array_key_exists('stat_props', $options)) {
            if (empty($options['stat_props'])) {
                $this->statProps = array();
            } else {
                $this->statProps = $options['stat_props'];
            }
        } else {
            $this->statProps = array('size', 'mtime');
        }
    }

/**
     * Helper function for loading a Mustache file by name.
     *
     * @throws Mustache_Exception_UnknownTemplateException If a template file is not found.
     *
     * @param string $name
     *
     * @return Mustache_Source Mustache Template source
     */
    protected function loadFile($name)
    {
        $fileName = $this->getFileName($name);

if (!file_exists($fileName)) {
            throw new Mustache_Exception_UnknownTemplateException($name);
        }

return new Mustache_Source_FilesystemSource($fileName, $this->statProps);
    }
}
<?php

/**
 * Mustache Template array Loader implementation.
 *
 * An ArrayLoader instance loads Mustache Template source by name from an initial array:
 *
 *     $loader = new ArrayLoader(
 *         'foo' => '{{ bar }}',
 *         'baz' => 'Hey {{ qux }}!'
 *     );
 *
 *     $tpl = $loader->load('foo'); // '{{ bar }}'
 *
 * The ArrayLoader is used internally as a partials loader by Mustache_Engine instance when an array of partials
 * is set. It can also be used as a quick-and-dirty Template loader.
 */
class Mustache_Loader_ArrayLoader implements Mustache_Loader, Mustache_Loader_MutableLoader
{
    private $templates;

/**
     * ArrayLoader constructor.
     *
     * @param array $templates Associative array of Template source (default: array())
     */
    public function __construct(array $templates = array())
    {
        $this->templates = $templates;
    }

/**
     * Load a Template.
     *
     * @throws Mustache_Exception_UnknownTemplateException If a template file is not found
     *
     * @param string $name
     *
     * @return string Mustache Template source
     */
    public function load($name)
    {
        if (!isset($this->templates[$name])) {
            throw new Mustache_Exception_UnknownTemplateException($name);
        }

return $this->templates[$name];
    }

/**
     * Set an associative array of Template sources for this loader.
     *
     * @param array $templates
     */
    public function setTemplates(array $templates)
    {
        $this->templates = $templates;
    }

/**
     * Set a Template source by name.
     *
     * @param string $name
     * @param string $template Mustache Template source
     */
    public function setTemplate($name, $template)
    {
        $this->templates[$name] = $template;
    }
}
<?php

/**
 * Mustache Cache filesystem implementation.
 *
 * A FilesystemCache instance caches Mustache Template classes from the filesystem by name:
 *
 *     $cache = new Mustache_Cache_FilesystemCache(dirname(__FILE__).'/cache');
 *     $cache->cache($className, $compiledSource);
 *
 * The FilesystemCache benefits from any opcode caching that may be setup in your environment. So do that, k?
 */
class Mustache_Cache_FilesystemCache extends Mustache_Cache_AbstractCache
{
    private $baseDir;
    private $fileMode;

/**
     * Filesystem cache constructor.
     *
     * @param string $baseDir  Directory for compiled templates
     * @param int    $fileMode Override default permissions for cache files. Defaults to using the system-defined umask
     */
    public function __construct($baseDir, $fileMode = null)
    {
        $this->baseDir = $baseDir;
        $this->fileMode = $fileMode;
    }

/**
     * Load the class from cache using `require_once`.
     *
     * @param string $key
     *
     * @return bool
     */
    public function load($key)
    {
        $fileName = $this->getCacheFilename($key);
        if (!is_file($fileName)) {
            return false;
        }

require_once $fileName;

return true;
    }

/**
     * Cache and load the compiled class.
     *
     * @param string $key
     * @param string $value
     */
    public function cache($key, $value)
    {
        $fileName = $this->getCacheFilename($key);

$this->log(
            Mustache_Logger::DEBUG,
            'Writing to template cache: "{fileName}"',
            array('fileName' => $fileName)
        );

$this->writeFile($fileName, $value);
        $this->load($key);
    }

/**
     * Build the cache filename.
     * Subclasses should override for custom cache directory structures.
     *
     * @param string $name
     *
     * @return string
     */
    protected function getCacheFilename($name)
    {
        return sprintf('%s/%s.php', $this->baseDir, $name);
    }

/**
     * Create cache directory.
     *
     * @throws Mustache_Exception_RuntimeException If unable to create directory
     *
     * @param string $fileName
     *
     * @return string
     */
    private function buildDirectoryForFilename($fileName)
    {
        $dirName = dirname($fileName);
        if (!is_dir($dirName)) {
            $this->log(
                Mustache_Logger::INFO,
                'Creating Mustache template cache directory: "{dirName}"',
                array('dirName' => $dirName)
            );

@mkdir($dirName, 0777, true);
            // @codeCoverageIgnoreStart
            if (!is_dir($dirName)) {
                throw new Mustache_Exception_RuntimeException(sprintf('Failed to create cache directory "%s".', $dirName));
            }
            // @codeCoverageIgnoreEnd
        }

return $dirName;
    }

/**
     * Write cache file.
     *
     * @throws Mustache_Exception_RuntimeException If unable to write file
     *
     * @param string $fileName
     * @param string $value
     */
    private function writeFile($fileName, $value)
    {
        $dirName = $this->buildDirectoryForFilename($fileName);

$this->log(
            Mustache_Logger::DEBUG,
            'Caching compiled template to "{fileName}"',
            array('fileName' => $fileName)
        );

$tempFile = tempnam($dirName, basename($fileName));
        if (false !== @file_put_contents($tempFile, $value)) {
            if (@rename($tempFile, $fileName)) {
                $mode = isset($this->fileMode) ? $this->fileMode : (0666 & ~umask());
                @chmod($fileName, $mode);

return;
            }

// @codeCoverageIgnoreStart
            $this->log(
                Mustache_Logger::ERROR,
                'Unable to rename Mustache temp cache file: "{tempName}" -> "{fileName}"',
                array('tempName' => $tempFile, 'fileName' => $fileName)
            );
            // @codeCoverageIgnoreEnd
        }

// @codeCoverageIgnoreStart
        throw new Mustache_Exception_RuntimeException(sprintf('Failed to write cache file "%s".', $fileName));
        // @codeCoverageIgnoreEnd
    }
}
<?php

/**
 * Mustache Cache in-memory implementation.
 *
 * The in-memory cache is used for uncached lambda section templates. It's also useful during development, but is not
 * recommended for production use.
 */
class Mustache_Cache_NoopCache extends Mustache_Cache_AbstractCache
{
    /**
     * Loads nothing. Move along.
     *
     * @param string $key
     *
     * @return bool
     */
    public function load($key)
    {
        return false;
    }

/**
     * Loads the compiled Mustache Template class without caching.
     *
     * @param string $key
     * @param string $value
     */
    public function cache($key, $value)
    {
        $this->log(
            Mustache_Logger::WARNING,
            'Template cache disabled, evaluating "{className}" class at runtime',
            array('className' => $key)
        );
        eval('?>' . $value);
    }
}
<?php

/**
 * Abstract Mustache Cache class.
 *
 * Provides logging support to child implementations.
 *
 * @abstract
 */
abstract class Mustache_Cache_AbstractCache implements Mustache_Cache
{
    private $logger = null;

/**
     * Get the current logger instance.
     *
     * @return Mustache_Logger|Psr\Log\LoggerInterface
     */
    public function getLogger()
    {
        return $this->logger;
    }

/**
     * Set a logger instance.
     *
     * @param Mustache_Logger|Psr\Log\LoggerInterface $logger
     */
    public function setLogger($logger = null)
    {
        if ($logger !== null && !($logger instanceof Mustache_Logger || is_a($logger, 'Psr\\Log\\LoggerInterface'))) {
            throw new Mustache_Exception_InvalidArgumentException('Expected an instance of Mustache_Logger or Psr\\Log\\LoggerInterface.');
        }

$this->logger = $logger;
    }

/**
     * Add a log record if logging is enabled.
     *
     * @param int    $level   The logging level
     * @param string $message The log message
     * @param array  $context The log context
     */
    protected function log($level, $message, array $context = array())
    {
        if (isset($this->logger)) {
            $this->logger->log($level, $message, $context);
        }
    }
}
<?php

/**
 * Mustache Template rendering Context.
 */
class Mustache_Context
{
    private $stack      = array();
    private $blockStack = array();

/**
     * Mustache rendering Context constructor.
     *
     * @param mixed $context Default rendering context (default: null)
     */
    public function __construct($context = null)
    {
        if ($context !== null) {
            $this->stack = array($context);
        }
    }

/**
     * Push a new Context frame onto the stack.
     *
     * @param mixed $value Object or array to use for context
     */
    public function push($value)
    {
        array_push($this->stack, $value);
    }

/**
     * Push a new Context frame onto the block context stack.
     *
     * @param mixed $value Object or array to use for block context
     */
    public function pushBlockContext($value)
    {
        array_push($this->blockStack, $value);
    }

/**
     * Pop the last Context frame from the stack.
     *
     * @return mixed Last Context frame (object or array)
     */
    public function pop()
    {
        return array_pop($this->stack);
    }

/**
     * Pop the last block Context frame from the stack.
     *
     * @return mixed Last block Context frame (object or array)
     */
    public function popBlockContext()
    {
        return array_pop($this->blockStack);
    }

/**
     * Get the last Context frame.
     *
     * @return mixed Last Context frame (object or array)
     */
    public function last()
    {
        return end($this->stack);
    }

/**
     * Find a variable in the Context stack.
     *
     * Starting with the last Context frame (the context of the innermost section), and working back to the top-level
     * rendering context, look for a variable with the given name:
     *
     *  * If the Context frame is an associative array which contains the key $id, returns the value of that element.
     *  * If the Context frame is an object, this will check first for a public method, then a public property named
     *    $id. Failing both of these, it will try `__isset` and `__get` magic methods.
     *  * If a value named $id is not found in any Context frame, returns an empty string.
     *
     * @param string $id Variable name
     *
     * @return mixed Variable value, or '' if not found
     */
    public function find($id)
    {
        return $this->findVariableInStack($id, $this->stack);
    }

/**
     * Find a 'dot notation' variable in the Context stack.
     *
     * Note that dot notation traversal bubbles through scope differently than the regular find method. After finding
     * the initial chunk of the dotted name, each subsequent chunk is searched for only within the value of the previous
     * result. For example, given the following context stack:
     *
     *     $data = array(
     *         'name' => 'Fred',
     *         'child' => array(
     *             'name' => 'Bob'
     *         ),
     *     );
     *
     * ... and the Mustache following template:
     *
     *     {{ child.name }}
     *
     * ... the `name` value is only searched for within the `child` value of the global Context, not within parent
     * Context frames.
     *
     * @param string $id Dotted variable selector
     *
     * @return mixed Variable value, or '' if not found
     */
    public function findDot($id)
    {
        $chunks = explode('.', $id);
        $first  = array_shift($chunks);
        $value  = $this->findVariableInStack($first, $this->stack);

foreach ($chunks as $chunk) {
            if ($value === '') {
                return $value;
            }

$value = $this->findVariableInStack($chunk, array($value));
        }

return $value;
    }

/**
     * Find an 'anchored dot notation' variable in the Context stack.
     *
     * This is the same as findDot(), except it looks in the top of the context
     * stack for the first value, rather than searching the whole context stack
     * and starting from there.
     *
     * @see Mustache_Context::findDot
     *
     * @throws Mustache_Exception_InvalidArgumentException if given an invalid anchored dot $id
     *
     * @param string $id Dotted variable selector
     *
     * @return mixed Variable value, or '' if not found
     */
    public function findAnchoredDot($id)
    {
        $chunks = explode('.', $id);
        $first  = array_shift($chunks);
        if ($first !== '') {
            throw new Mustache_Exception_InvalidArgumentException(sprintf('Unexpected id for findAnchoredDot: %s', $id));
        }

$value  = $this->last();

foreach ($chunks as $chunk) {
            if ($value === '') {
                return $value;
            }

$value = $this->findVariableInStack($chunk, array($value));
        }

return $value;
    }

/**
     * Find an argument in the block context stack.
     *
     * @param string $id
     *
     * @return mixed Variable value, or '' if not found
     */
    public function findInBlock($id)
    {
        foreach ($this->blockStack as $context) {
            if (array_key_exists($id, $context)) {
                return $context[$id];
            }
        }

return '';
    }

/**
     * Helper function to find a variable in the Context stack.
     *
     * @see Mustache_Context::find
     *
     * @param string $id    Variable name
     * @param array  $stack Context stack
     *
     * @return mixed Variable value, or '' if not found
     */
    private function findVariableInStack($id, array $stack)
    {
        for ($i = count($stack) - 1; $i >= 0; $i--) {
            $frame = &$stack[$i];

switch (gettype($frame)) {
                case 'object':
                    if (!($frame instanceof Closure)) {
                        // Note that is_callable() *will not work here*
                        // See https://github.com/bobthecow/mustache.php/wiki/Magic-Methods
                        if (method_exists($frame, $id)) {
                            return $frame->$id();
                        }

if (isset($frame->$id)) {
                            return $frame->$id;
                        }

if ($frame instanceof ArrayAccess && isset($frame[$id])) {
                            return $frame[$id];
                        }
                    }
                    break;

case 'array':
                    if (array_key_exists($id, $frame)) {
                        return $frame[$id];
                    }
                    break;
            }
        }

return '';
    }
}
<?php

/**
 * Abstract Mustache Template class.
 *
 * @abstract
 */
abstract class Mustache_Template
{
    /**
     * @var Mustache_Engine
     */
    protected $mustache;

/**
     * @var bool
     */
    protected $strictCallables = false;

/**
     * Mustache Template constructor.
     *
     * @param Mustache_Engine $mustache
     */
    public function __construct(Mustache_Engine $mustache)
    {
        $this->mustache = $mustache;
    }

/**
     * Mustache Template instances can be treated as a function and rendered by simply calling them.
     *
     *     $m = new Mustache_Engine;
     *     $tpl = $m->loadTemplate('Hello, {{ name }}!');
     *     echo $tpl(array('name' => 'World')); // "Hello, World!"
     *
     * @see Mustache_Template::render
     *
     * @param mixed $context Array or object rendering context (default: array())
     *
     * @return string Rendered template
     */
    public function __invoke($context = array())
    {
        return $this->render($context);
    }

/**
     * Render this template given the rendering context.
     *
     * @param mixed $context Array or object rendering context (default: array())
     *
     * @return string Rendered template
     */
    public function render($context = array())
    {
        return $this->renderInternal(
            $this->prepareContextStack($context)
        );
    }

/**
     * Internal rendering method implemented by Mustache Template concrete subclasses.
     *
     * This is where the magic happens :)
     *
     * NOTE: This method is not part of the Mustache.php public API.
     *
     * @param Mustache_Context $context
     * @param string           $indent  (default: '')
     *
     * @return string Rendered template
     */
    abstract public function renderInternal(Mustache_Context $context, $indent = '');

/**
     * Tests whether a value should be iterated over (e.g. in a section context).
     *
     * In most languages there are two distinct array types: list and hash (or whatever you want to call them). Lists
     * should be iterated, hashes should be treated as objects. Mustache follows this paradigm for Ruby, Javascript,
     * Java, Python, etc.
     *
     * PHP, however, treats lists and hashes as one primitive type: array. So Mustache.php needs a way to distinguish
     * between between a list of things (numeric, normalized array) and a set of variables to be used as section context
     * (associative array). In other words, this will be iterated over:
     *
     *     $items = array(
     *         array('name' => 'foo'),
     *         array('name' => 'bar'),
     *         array('name' => 'baz'),
     *     );
     *
     * ... but this will be used as a section context block:
     *
     *     $items = array(
     *         1        => array('name' => 'foo'),
     *         'banana' => array('name' => 'bar'),
     *         42       => array('name' => 'baz'),
     *     );
     *
     * @param mixed $value
     *
     * @return bool True if the value is 'iterable'
     */
    protected function isIterable($value)
    {
        switch (gettype($value)) {
            case 'object':
                return $value instanceof Traversable;

case 'array':
                $i = 0;
                foreach ($value as $k => $v) {
                    if ($k !== $i++) {
                        return false;
                    }
                }

return true;

default:
                return false;
        }
    }

/**
     * Helper method to prepare the Context stack.
     *
     * Adds the Mustache HelperCollection to the stack's top context frame if helpers are present.
     *
     * @param mixed $context Optional first context frame (default: null)
     *
     * @return Mustache_Context
     */
    protected function prepareContextStack($context = null)
    {
        $stack = new Mustache_Context();

$helpers = $this->mustache->getHelpers();
        if (!$helpers->isEmpty()) {
            $stack->push($helpers);
        }

if (!empty($context)) {
            $stack->push($context);
        }

return $stack;
    }

/**
     * Resolve a context value.
     *
     * Invoke the value if it is callable, otherwise return the value.
     *
     * @param mixed            $value
     * @param Mustache_Context $context
     *
     * @return string
     */
    protected function resolveValue($value, Mustache_Context $context)
    {
        if (($this->strictCallables ? is_object($value) : !is_string($value)) && is_callable($value)) {
            return $this->mustache
                ->loadLambda((string) call_user_func($value))
                ->renderInternal($context);
        }

return $value;
    }
}
<?php

/**
 * A Mustache implementation in PHP.
 *
 * {@link http://defunkt.github.com/mustache}
 *
 * Mustache is a framework-agnostic logic-less templating language. It enforces separation of view
 * logic from template files. In fact, it is not even possible to embed logic in the template.
 *
 * This is very, very rad.
 *
 * @author Justin Hileman {@link http://justinhileman.com}
 */
class Mustache_Engine
{
    const VERSION        = '2.12.0';
    const SPEC_VERSION   = '1.1.2';

const PRAGMA_FILTERS      = 'FILTERS';
    const PRAGMA_BLOCKS       = 'BLOCKS';
    const PRAGMA_ANCHORED_DOT = 'ANCHORED-DOT';

// Known pragmas
    private static $knownPragmas = array(
        self::PRAGMA_FILTERS      => true,
        self::PRAGMA_BLOCKS       => true,
        self::PRAGMA_ANCHORED_DOT => true,
    );

// Template cache
    private $templates = array();

// Environment
    private $templateClassPrefix = '__Mustache_';
    private $cache;
    private $lambdaCache;
    private $cacheLambdaTemplates = false;
    private $loader;
    private $partialsLoader;
    private $helpers;
    private $escape;
    private $entityFlags = ENT_COMPAT;
    private $charset = 'UTF-8';
    private $logger;
    private $strictCallables = false;
    private $pragmas = array();
    private $delimiters;

// Services
    private $tokenizer;
    private $parser;
    private $compiler;

/**
     * Mustache class constructor.
     *
     * Passing an $options array allows overriding certain Mustache options during instantiation:
     *
     *     $options = array(
     *         // The class prefix for compiled templates. Defaults to '__Mustache_'.
     *         'template_class_prefix' => '__MyTemplates_',
     *
     *         // A Mustache cache instance or a cache directory string for compiled templates.
     *         // Mustache will not cache templates unless this is set.
     *         'cache' => dirname(__FILE__).'/tmp/cache/mustache',
     *
     *         // Override default permissions for cache files. Defaults to using the system-defined umask. It is
     *         // *strongly* recommended that you configure your umask properly rather than overriding permissions here.
     *         'cache_file_mode' => 0666,
     *
     *         // Optionally, enable caching for lambda section templates. This is generally not recommended, as lambda
     *         // sections are often too dynamic to benefit from caching.
     *         'cache_lambda_templates' => true,
     *
     *         // Customize the tag delimiters used by this engine instance. Note that overriding here changes the
     *         // delimiters used to parse all templates and partials loaded by this instance. To override just for a
     *         // single template, use an inline "change delimiters" tag at the start of the template file:
     *         //
     *         //     {{=<% %>=}}
     *         //
     *         'delimiters' => '<% %>',
     *
     *         // A Mustache template loader instance. Uses a StringLoader if not specified.
     *         'loader' => new Mustache_Loader_FilesystemLoader(dirname(__FILE__).'/views'),
     *
     *         // A Mustache loader instance for partials.
     *         'partials_loader' => new Mustache_Loader_FilesystemLoader(dirname(__FILE__).'/views/partials'),
     *
     *         // An array of Mustache partials. Useful for quick-and-dirty string template loading, but not as
     *         // efficient or lazy as a Filesystem (or database) loader.
     *         'partials' => array('foo' => file_get_contents(dirname(__FILE__).'/views/partials/foo.mustache')),
     *
     *         // An array of 'helpers'. Helpers can be global variables or objects, closures (e.g. for higher order
     *         // sections), or any other valid Mustache context value. They will be prepended to the context stack,
     *         // so they will be available in any template loaded by this Mustache instance.
     *         'helpers' => array('i18n' => function ($text) {
     *             // do something translatey here...
     *         }),
     *
     *         // An 'escape' callback, responsible for escaping double-mustache variables.
     *         'escape' => function ($value) {
     *             return htmlspecialchars($buffer, ENT_COMPAT, 'UTF-8');
     *         },
     *
     *         // Type argument for `htmlspecialchars`.  Defaults to ENT_COMPAT.  You may prefer ENT_QUOTES.
     *         'entity_flags' => ENT_QUOTES,
     *
     *         // Character set for `htmlspecialchars`. Defaults to 'UTF-8'. Use 'UTF-8'.
     *         'charset' => 'ISO-8859-1',
     *
     *         // A Mustache Logger instance. No logging will occur unless this is set. Using a PSR-3 compatible
     *         // logging library -- such as Monolog -- is highly recommended. A simple stream logger implementation is
     *         // available as well:
     *         'logger' => new Mustache_Logger_StreamLogger('php://stderr'),
     *
     *         // Only treat Closure instances and invokable classes as callable. If true, values like
     *         // `array('ClassName', 'methodName')` and `array($classInstance, 'methodName')`, which are traditionally
     *         // "callable" in PHP, are not called to resolve variables for interpolation or section contexts. This
     *         // helps protect against arbitrary code execution when user input is passed directly into the template.
     *         // This currently defaults to false, but will default to true in v3.0.
     *         'strict_callables' => true,
     *
     *         // Enable pragmas across all templates, regardless of the presence of pragma tags in the individual
     *         // templates.
     *         'pragmas' => [Mustache_Engine::PRAGMA_FILTERS],
     *     );
     *
     * @throws Mustache_Exception_InvalidArgumentException If `escape` option is not callable
     *
     * @param array $options (default: array())
     */
    public function __construct(array $options = array())
    {
        if (isset($options['template_class_prefix'])) {
            if ((string) $options['template_class_prefix'] === '') {
                throw new Mustache_Exception_InvalidArgumentException('Mustache Constructor "template_class_prefix" must not be empty');
            }

$this->templateClassPrefix = $options['template_class_prefix'];
        }

if (isset($options['cache'])) {
            $cache = $options['cache'];

if (is_string($cache)) {
                $mode  = isset($options['cache_file_mode']) ? $options['cache_file_mode'] : null;
                $cache = new Mustache_Cache_FilesystemCache($cache, $mode);
            }

$this->setCache($cache);
        }

if (isset($options['cache_lambda_templates'])) {
            $this->cacheLambdaTemplates = (bool) $options['cache_lambda_templates'];
        }

if (isset($options['loader'])) {
            $this->setLoader($options['loader']);
        }

if (isset($options['partials_loader'])) {
            $this->setPartialsLoader($options['partials_loader']);
        }

if (isset($options['partials'])) {
            $this->setPartials($options['partials']);
        }

if (isset($options['helpers'])) {
            $this->setHelpers($options['helpers']);
        }

if (isset($options['escape'])) {
            if (!is_callable($options['escape'])) {
                throw new Mustache_Exception_InvalidArgumentException('Mustache Constructor "escape" option must be callable');
            }

$this->escape = $options['escape'];
        }

if (isset($options['entity_flags'])) {
            $this->entityFlags = $options['entity_flags'];
        }

if (isset($options['charset'])) {
            $this->charset = $options['charset'];
        }

if (isset($options['logger'])) {
            $this->setLogger($options['logger']);
        }

if (isset($options['strict_callables'])) {
            $this->strictCallables = $options['strict_callables'];
        }

if (isset($options['delimiters'])) {
            $this->delimiters = $options['delimiters'];
        }

if (isset($options['pragmas'])) {
            foreach ($options['pragmas'] as $pragma) {
                if (!isset(self::$knownPragmas[$pragma])) {
                    throw new Mustache_Exception_InvalidArgumentException(sprintf('Unknown pragma: "%s".', $pragma));
                }
                $this->pragmas[$pragma] = true;
            }
        }
    }

/**
     * Shortcut 'render' invocation.
     *
     * Equivalent to calling `$mustache->loadTemplate($template)->render($context);`
     *
     * @see Mustache_Engine::loadTemplate
     * @see Mustache_Template::render
     *
     * @param string $template
     * @param mixed  $context  (default: array())
     *
     * @return string Rendered template
     */
    public function render($template, $context = array())
    {
        return $this->loadTemplate($template)->render($context);
    }

/**
     * Get the current Mustache escape callback.
     *
     * @return callable|null
     */
    public function getEscape()
    {
        return $this->escape;
    }

/**
     * Get the current Mustache entitity type to escape.
     *
     * @return int
     */
    public function getEntityFlags()
    {
        return $this->entityFlags;
    }

/**
     * Get the current Mustache character set.
     *
     * @return string
     */
    public function getCharset()
    {
        return $this->charset;
    }

/**
     * Get the current globally enabled pragmas.
     *
     * @return array
     */
    public function getPragmas()
    {
        return array_keys($this->pragmas);
    }

/**
     * Set the Mustache template Loader instance.
     *
     * @param Mustache_Loader $loader
     */
    public function setLoader(Mustache_Loader $loader)
    {
        $this->loader = $loader;
    }

/**
     * Get the current Mustache template Loader instance.
     *
     * If no Loader instance has been explicitly specified, this method will instantiate and return
     * a StringLoader instance.
     *
     * @return Mustache_Loader
     */
    public function getLoader()
    {
        if (!isset($this->loader)) {
            $this->loader = new Mustache_Loader_StringLoader();
        }

return $this->loader;
    }

/**
     * Set the Mustache partials Loader instance.
     *
     * @param Mustache_Loader $partialsLoader
     */
    public function setPartialsLoader(Mustache_Loader $partialsLoader)
    {
        $this->partialsLoader = $partialsLoader;
    }

/**
     * Get the current Mustache partials Loader instance.
     *
     * If no Loader instance has been explicitly specified, this method will instantiate and return
     * an ArrayLoader instance.
     *
     * @return Mustache_Loader
     */
    public function getPartialsLoader()
    {
        if (!isset($this->partialsLoader)) {
            $this->partialsLoader = new Mustache_Loader_ArrayLoader();
        }

return $this->partialsLoader;
    }

/**
     * Set partials for the current partials Loader instance.
     *
     * @throws Mustache_Exception_RuntimeException If the current Loader instance is immutable
     *
     * @param array $partials (default: array())
     */
    public function setPartials(array $partials = array())
    {
        if (!isset($this->partialsLoader)) {
            $this->partialsLoader = new Mustache_Loader_ArrayLoader();
        }

if (!$this->partialsLoader instanceof Mustache_Loader_MutableLoader) {
            throw new Mustache_Exception_RuntimeException('Unable to set partials on an immutable Mustache Loader instance');
        }

$this->partialsLoader->setTemplates($partials);
    }

/**
     * Set an array of Mustache helpers.
     *
     * An array of 'helpers'. Helpers can be global variables or objects, closures (e.g. for higher order sections), or
     * any other valid Mustache context value. They will be prepended to the context stack, so they will be available in
     * any template loaded by this Mustache instance.
     *
     * @throws Mustache_Exception_InvalidArgumentException if $helpers is not an array or Traversable
     *
     * @param array|Traversable $helpers
     */
    public function setHelpers($helpers)
    {
        if (!is_array($helpers) && !$helpers instanceof Traversable) {
            throw new Mustache_Exception_InvalidArgumentException('setHelpers expects an array of helpers');
        }

$this->getHelpers()->clear();

foreach ($helpers as $name => $helper) {
            $this->addHelper($name, $helper);
        }
    }

/**
     * Get the current set of Mustache helpers.
     *
     * @see Mustache_Engine::setHelpers
     *
     * @return Mustache_HelperCollection
     */
    public function getHelpers()
    {
        if (!isset($this->helpers)) {
            $this->helpers = new Mustache_HelperCollection();
        }

return $this->helpers;
    }

/**
     * Add a new Mustache helper.
     *
     * @see Mustache_Engine::setHelpers
     *
     * @param string $name
     * @param mixed  $helper
     */
    public function addHelper($name, $helper)
    {
        $this->getHelpers()->add($name, $helper);
    }

/**
     * Get a Mustache helper by name.
     *
     * @see Mustache_Engine::setHelpers
     *
     * @param string $name
     *
     * @return mixed Helper
     */
    public function getHelper($name)
    {
        return $this->getHelpers()->get($name);
    }

/**
     * Check whether this Mustache instance has a helper.
     *
     * @see Mustache_Engine::setHelpers
     *
     * @param string $name
     *
     * @return bool True if the helper is present
     */
    public function hasHelper($name)
    {
        return $this->getHelpers()->has($name);
    }

/**
     * Remove a helper by name.
     *
     * @see Mustache_Engine::setHelpers
     *
     * @param string $name
     */
    public function removeHelper($name)
    {
        $this->getHelpers()->remove($name);
    }

/**
     * Set the Mustache Logger instance.
     *
     * @throws Mustache_Exception_InvalidArgumentException If logger is not an instance of Mustache_Logger or Psr\Log\LoggerInterface
     *
     * @param Mustache_Logger|Psr\Log\LoggerInterface $logger
     */
    public function setLogger($logger = null)
    {
        if ($logger !== null && !($logger instanceof Mustache_Logger || is_a($logger, 'Psr\\Log\\LoggerInterface'))) {
            throw new Mustache_Exception_InvalidArgumentException('Expected an instance of Mustache_Logger or Psr\\Log\\LoggerInterface.');
        }

if ($this->getCache()->getLogger() === null) {
            $this->getCache()->setLogger($logger);
        }

$this->logger = $logger;
    }

/**
     * Get the current Mustache Logger instance.
     *
     * @return Mustache_Logger|Psr\Log\LoggerInterface
     */
    public function getLogger()
    {
        return $this->logger;
    }

/**
     * Set the Mustache Tokenizer instance.
     *
     * @param Mustache_Tokenizer $tokenizer
     */
    public function setTokenizer(Mustache_Tokenizer $tokenizer)
    {
        $this->tokenizer = $tokenizer;
    }

/**
     * Get the current Mustache Tokenizer instance.
     *
     * If no Tokenizer instance has been explicitly specified, this method will instantiate and return a new one.
     *
     * @return Mustache_Tokenizer
     */
    public function getTokenizer()
    {
        if (!isset($this->tokenizer)) {
            $this->tokenizer = new Mustache_Tokenizer();
        }

return $this->tokenizer;
    }

/**
     * Set the Mustache Parser instance.
     *
     * @param Mustache_Parser $parser
     */
    public function setParser(Mustache_Parser $parser)
    {
        $this->parser = $parser;
    }

/**
     * Get the current Mustache Parser instance.
     *
     * If no Parser instance has been explicitly specified, this method will instantiate and return a new one.
     *
     * @return Mustache_Parser
     */
    public function getParser()
    {
        if (!isset($this->parser)) {
            $this->parser = new Mustache_Parser();
        }

return $this->parser;
    }

/**
     * Set the Mustache Compiler instance.
     *
     * @param Mustache_Compiler $compiler
     */
    public function setCompiler(Mustache_Compiler $compiler)
    {
        $this->compiler = $compiler;
    }

/**
     * Get the current Mustache Compiler instance.
     *
     * If no Compiler instance has been explicitly specified, this method will instantiate and return a new one.
     *
     * @return Mustache_Compiler
     */
    public function getCompiler()
    {
        if (!isset($this->compiler)) {
            $this->compiler = new Mustache_Compiler();
        }

return $this->compiler;
    }

/**
     * Set the Mustache Cache instance.
     *
     * @param Mustache_Cache $cache
     */
    public function setCache(Mustache_Cache $cache)
    {
        if (isset($this->logger) && $cache->getLogger() === null) {
            $cache->setLogger($this->getLogger());
        }

$this->cache = $cache;
    }

/**
     * Get the current Mustache Cache instance.
     *
     * If no Cache instance has been explicitly specified, this method will instantiate and return a new one.
     *
     * @return Mustache_Cache
     */
    public function getCache()
    {
        if (!isset($this->cache)) {
            $this->setCache(new Mustache_Cache_NoopCache());
        }

return $this->cache;
    }

/**
     * Get the current Lambda Cache instance.
     *
     * If 'cache_lambda_templates' is enabled, this is the default cache instance. Otherwise, it is a NoopCache.
     *
     * @see Mustache_Engine::getCache
     *
     * @return Mustache_Cache
     */
    protected function getLambdaCache()
    {
        if ($this->cacheLambdaTemplates) {
            return $this->getCache();
        }

if (!isset($this->lambdaCache)) {
            $this->lambdaCache = new Mustache_Cache_NoopCache();
        }

return $this->lambdaCache;
    }

/**
     * Helper method to generate a Mustache template class.
     *
     * This method must be updated any time options are added which make it so
     * the same template could be parsed and compiled multiple different ways.
     *
     * @param string|Mustache_Source $source
     *
     * @return string Mustache Template class name
     */
    public function getTemplateClassName($source)
    {
        // For the most part, adding a new option here should do the trick.
        //
        // Pick a value here which is unique for each possible way the template
        // could be compiled... but not necessarily unique per option value. See
        // escape below, which only needs to differentiate between 'custom' and
        // 'default' escapes.
        //
        // Keep this list in alphabetical order :)
        $chunks = array(
            'charset'         => $this->charset,
            'delimiters'      => $this->delimiters ? $this->delimiters : '{{ }}',
            'entityFlags'     => $this->entityFlags,
            'escape'          => isset($this->escape) ? 'custom' : 'default',
            'key'             => ($source instanceof Mustache_Source) ? $source->getKey() : 'source',
            'pragmas'         => $this->getPragmas(),
            'strictCallables' => $this->strictCallables,
            'version'         => self::VERSION,
        );

$key = json_encode($chunks);

// Template Source instances have already provided their own source key. For strings, just include the whole
        // source string in the md5 hash.
        if (!$source instanceof Mustache_Source) {
            $key .= "\n" . $source;
        }

return $this->templateClassPrefix . md5($key);
    }

/**
     * Load a Mustache Template by name.
     *
     * @param string $name
     *
     * @return Mustache_Template
     */
    public function loadTemplate($name)
    {
        return $this->loadSource($this->getLoader()->load($name));
    }

/**
     * Load a Mustache partial Template by name.
     *
     * This is a helper method used internally by Template instances for loading partial templates. You can most likely
     * ignore it completely.
     *
     * @param string $name
     *
     * @return Mustache_Template
     */
    public function loadPartial($name)
    {
        try {
            if (isset($this->partialsLoader)) {
                $loader = $this->partialsLoader;
            } elseif (isset($this->loader) && !$this->loader instanceof Mustache_Loader_StringLoader) {
                $loader = $this->loader;
            } else {
                throw new Mustache_Exception_UnknownTemplateException($name);
            }

return $this->loadSource($loader->load($name));
        } catch (Mustache_Exception_UnknownTemplateException $e) {
            // If the named partial cannot be found, log then return null.
            $this->log(
                Mustache_Logger::WARNING,
                'Partial not found: "{name}"',
                array('name' => $e->getTemplateName())
            );
        }
    }

/**
     * Load a Mustache lambda Template by source.
     *
     * This is a helper method used by Template instances to generate subtemplates for Lambda sections. You can most
     * likely ignore it completely.
     *
     * @param string $source
     * @param string $delims (default: null)
     *
     * @return Mustache_Template
     */
    public function loadLambda($source, $delims = null)
    {
        if ($delims !== null) {
            $source = $delims . "\n" . $source;
        }

return $this->loadSource($source, $this->getLambdaCache());
    }

/**
     * Instantiate and return a Mustache Template instance by source.
     *
     * Optionally provide a Mustache_Cache instance. This is used internally by Mustache_Engine::loadLambda to respect
     * the 'cache_lambda_templates' configuration option.
     *
     * @see Mustache_Engine::loadTemplate
     * @see Mustache_Engine::loadPartial
     * @see Mustache_Engine::loadLambda
     *
     * @param string|Mustache_Source $source
     * @param Mustache_Cache         $cache  (default: null)
     *
     * @return Mustache_Template
     */
    private function loadSource($source, Mustache_Cache $cache = null)
    {
        $className = $this->getTemplateClassName($source);

if (!isset($this->templates[$className])) {
            if ($cache === null) {
                $cache = $this->getCache();
            }

if (!class_exists($className, false)) {
                if (!$cache->load($className)) {
                    $compiled = $this->compile($source);
                    $cache->cache($className, $compiled);
                }
            }

$this->log(
                Mustache_Logger::DEBUG,
                'Instantiating template: "{className}"',
                array('className' => $className)
            );

$this->templates[$className] = new $className($this);
        }

return $this->templates[$className];
    }

/**
     * Helper method to tokenize a Mustache template.
     *
     * @see Mustache_Tokenizer::scan
     *
     * @param string $source
     *
     * @return array Tokens
     */
    private function tokenize($source)
    {
        return $this->getTokenizer()->scan($source, $this->delimiters);
    }

/**
     * Helper method to parse a Mustache template.
     *
     * @see Mustache_Parser::parse
     *
     * @param string $source
     *
     * @return array Token tree
     */
    private function parse($source)
    {
        $parser = $this->getParser();
        $parser->setPragmas($this->getPragmas());

return $parser->parse($this->tokenize($source));
    }

/**
     * Helper method to compile a Mustache template.
     *
     * @see Mustache_Compiler::compile
     *
     * @param string|Mustache_Source $source
     *
     * @return string generated Mustache template class code
     */
    private function compile($source)
    {
        $name = $this->getTemplateClassName($source);

$this->log(
            Mustache_Logger::INFO,
            'Compiling template to "{className}" class',
            array('className' => $name)
        );

if ($source instanceof Mustache_Source) {
            $source = $source->getSource();
        }
        $tree = $this->parse($source);

$compiler = $this->getCompiler();
        $compiler->setPragmas($this->getPragmas());

return $compiler->compile($source, $tree, $name, isset($this->escape), $this->charset, $this->strictCallables, $this->entityFlags);
    }

/**
     * Add a log record if logging is enabled.
     *
     * @param int    $level   The logging level
     * @param string $message The log message
     * @param array  $context The log context
     */
    private function log($level, $message, array $context = array())
    {
        if (isset($this->logger)) {
            $this->logger->log($level, $message, $context);
        }
    }
}
<?php

/**
 * Mustache Compiler class.
 *
 * This class is responsible for turning a Mustache token parse tree into normal PHP source code.
 */
class Mustache_Compiler
{
    private $pragmas;
    private $defaultPragmas = array();
    private $sections;
    private $blocks;
    private $source;
    private $indentNextLine;
    private $customEscape;
    private $entityFlags;
    private $charset;
    private $strictCallables;

/**
     * Compile a Mustache token parse tree into PHP source code.
     *
     * @param string $source          Mustache Template source code
     * @param string $tree            Parse tree of Mustache tokens
     * @param string $name            Mustache Template class name
     * @param bool   $customEscape    (default: false)
     * @param string $charset         (default: 'UTF-8')
     * @param bool   $strictCallables (default: false)
     * @param int    $entityFlags     (default: ENT_COMPAT)
     *
     * @return string Generated PHP source code
     */
    public function compile($source, array $tree, $name, $customEscape = false, $charset = 'UTF-8', $strictCallables = false, $entityFlags = ENT_COMPAT)
    {
        $this->pragmas         = $this->defaultPragmas;
        $this->sections        = array();
        $this->blocks          = array();
        $this->source          = $source;
        $this->indentNextLine  = true;
        $this->customEscape    = $customEscape;
        $this->entityFlags     = $entityFlags;
        $this->charset         = $charset;
        $this->strictCallables = $strictCallables;

return $this->writeCode($tree, $name);
    }

/**
     * Enable pragmas across all templates, regardless of the presence of pragma
     * tags in the individual templates.
     *
     * @internal Users should set global pragmas in Mustache_Engine, not here :)
     *
     * @param string[] $pragmas
     */
    public function setPragmas(array $pragmas)
    {
        $this->pragmas = array();
        foreach ($pragmas as $pragma) {
            $this->pragmas[$pragma] = true;
        }
        $this->defaultPragmas = $this->pragmas;
    }

/**
     * Helper function for walking the Mustache token parse tree.
     *
     * @throws Mustache_Exception_SyntaxException upon encountering unknown token types
     *
     * @param array $tree  Parse tree of Mustache tokens
     * @param int   $level (default: 0)
     *
     * @return string Generated PHP source code
     */
    private function walk(array $tree, $level = 0)
    {
        $code = '';
        $level++;
        foreach ($tree as $node) {
            switch ($node[Mustache_Tokenizer::TYPE]) {
                case Mustache_Tokenizer::T_PRAGMA:
                    $this->pragmas[$node[Mustache_Tokenizer::NAME]] = true;
                    break;

case Mustache_Tokenizer::T_SECTION:
                    $code .= $this->section(
                        $node[Mustache_Tokenizer::NODES],
                        $node[Mustache_Tokenizer::NAME],
                        isset($node[Mustache_Tokenizer::FILTERS]) ? $node[Mustache_Tokenizer::FILTERS] : array(),
                        $node[Mustache_Tokenizer::INDEX],
                        $node[Mustache_Tokenizer::END],
                        $node[Mustache_Tokenizer::OTAG],
                        $node[Mustache_Tokenizer::CTAG],
                        $level
                    );
                    break;

case Mustache_Tokenizer::T_INVERTED:
                    $code .= $this->invertedSection(
                        $node[Mustache_Tokenizer::NODES],
                        $node[Mustache_Tokenizer::NAME],
                        isset($node[Mustache_Tokenizer::FILTERS]) ? $node[Mustache_Tokenizer::FILTERS] : array(),
                        $level
                    );
                    break;

case Mustache_Tokenizer::T_PARTIAL:
                    $code .= $this->partial(
                        $node[Mustache_Tokenizer::NAME],
                        isset($node[Mustache_Tokenizer::INDENT]) ? $node[Mustache_Tokenizer::INDENT] : '',
                        $level
                    );
                    break;

case Mustache_Tokenizer::T_PARENT:
                    $code .= $this->parent(
                        $node[Mustache_Tokenizer::NAME],
                        isset($node[Mustache_Tokenizer::INDENT]) ? $node[Mustache_Tokenizer::INDENT] : '',
                        $node[Mustache_Tokenizer::NODES],
                        $level
                    );
                    break;

case Mustache_Tokenizer::T_BLOCK_ARG:
                    $code .= $this->blockArg(
                        $node[Mustache_Tokenizer::NODES],
                        $node[Mustache_Tokenizer::NAME],
                        $node[Mustache_Tokenizer::INDEX],
                        $node[Mustache_Tokenizer::END],
                        $node[Mustache_Tokenizer::OTAG],
                        $node[Mustache_Tokenizer::CTAG],
                        $level
                    );
                    break;

case Mustache_Tokenizer::T_BLOCK_VAR:
                    $code .= $this->blockVar(
                        $node[Mustache_Tokenizer::NODES],
                        $node[Mustache_Tokenizer::NAME],
                        $node[Mustache_Tokenizer::INDEX],
                        $node[Mustache_Tokenizer::END],
                        $node[Mustache_Tokenizer::OTAG],
                        $node[Mustache_Tokenizer::CTAG],
                        $level
                    );
                    break;

case Mustache_Tokenizer::T_COMMENT:
                    break;

case Mustache_Tokenizer::T_ESCAPED:
                case Mustache_Tokenizer::T_UNESCAPED:
                case Mustache_Tokenizer::T_UNESCAPED_2:
                    $code .= $this->variable(
                        $node[Mustache_Tokenizer::NAME],
                        isset($node[Mustache_Tokenizer::FILTERS]) ? $node[Mustache_Tokenizer::FILTERS] : array(),
                        $node[Mustache_Tokenizer::TYPE] === Mustache_Tokenizer::T_ESCAPED,
                        $level
                    );
                    break;

case Mustache_Tokenizer::T_TEXT:
                    $code .= $this->text($node[Mustache_Tokenizer::VALUE], $level);
                    break;

default:
                    throw new Mustache_Exception_SyntaxException(sprintf('Unknown token type: %s', $node[Mustache_Tokenizer::TYPE]), $node);
            }
        }

return $code;
    }

const KLASS = '<?php

class %s extends Mustache_Template
        {
            private $lambdaHelper;%s

public function renderInternal(Mustache_Context $context, $indent = \'\')
            {
                $this->lambdaHelper = new Mustache_LambdaHelper($this->mustache, $context);
                $buffer = \'\';
        %s

return $buffer;
            }
        %s
        %s
        }';

const KLASS_NO_LAMBDAS = '<?php

class %s extends Mustache_Template
        {%s
            public function renderInternal(Mustache_Context $context, $indent = \'\')
            {
                $buffer = \'\';
        %s

return $buffer;
            }
        }';

const STRICT_CALLABLE = 'protected $strictCallables = true;';

/**
     * Generate Mustache Template class PHP source.
     *
     * @param array  $tree Parse tree of Mustache tokens
     * @param string $name Mustache Template class name
     *
     * @return string Generated PHP source code
     */
    private function writeCode($tree, $name)
    {
        $code     = $this->walk($tree);
        $sections = implode("\n", $this->sections);
        $blocks   = implode("\n", $this->blocks);
        $klass    = empty($this->sections) && empty($this->blocks) ? self::KLASS_NO_LAMBDAS : self::KLASS;

$callable = $this->strictCallables ? $this->prepare(self::STRICT_CALLABLE) : '';

return sprintf($this->prepare($klass, 0, false, true), $name, $callable, $code, $sections, $blocks);
    }

const BLOCK_VAR = '
        $blockFunction = $context->findInBlock(%s);
        if (is_callable($blockFunction)) {
            $buffer .= call_user_func($blockFunction, $context);
        %s}
    ';

const BLOCK_VAR_ELSE = '} else {%s';

/**
     * Generate Mustache Template inheritance block variable PHP source.
     *
     * @param array  $nodes Array of child tokens
     * @param string $id    Section name
     * @param int    $start Section start offset
     * @param int    $end   Section end offset
     * @param string $otag  Current Mustache opening tag
     * @param string $ctag  Current Mustache closing tag
     * @param int    $level
     *
     * @return string Generated PHP source code
     */
    private function blockVar($nodes, $id, $start, $end, $otag, $ctag, $level)
    {
        $id = var_export($id, true);

$else = $this->walk($nodes, $level);
        if ($else !== '') {
            $else = sprintf($this->prepare(self::BLOCK_VAR_ELSE, $level + 1, false, true), $else);
        }

return sprintf($this->prepare(self::BLOCK_VAR, $level), $id, $else);
    }

const BLOCK_ARG = '%s => array($this, \'block%s\'),';

/**
     * Generate Mustache Template inheritance block argument PHP source.
     *
     * @param array  $nodes Array of child tokens
     * @param string $id    Section name
     * @param int    $start Section start offset
     * @param int    $end   Section end offset
     * @param string $otag  Current Mustache opening tag
     * @param string $ctag  Current Mustache closing tag
     * @param int    $level
     *
     * @return string Generated PHP source code
     */
    private function blockArg($nodes, $id, $start, $end, $otag, $ctag, $level)
    {
        $key = $this->block($nodes);
        $keystr = var_export($key, true);
        $id = var_export($id, true);

return sprintf($this->prepare(self::BLOCK_ARG, $level), $id, $key);
    }

const BLOCK_FUNCTION = '
        public function block%s($context)
        {
            $indent = $buffer = \'\';%s

return $buffer;
        }
    ';

/**
     * Generate Mustache Template inheritance block function PHP source.
     *
     * @param array $nodes Array of child tokens
     *
     * @return string key of new block function
     */
    private function block($nodes)
    {
        $code = $this->walk($nodes, 0);
        $key = ucfirst(md5($code));

if (!isset($this->blocks[$key])) {
            $this->blocks[$key] = sprintf($this->prepare(self::BLOCK_FUNCTION, 0), $key, $code);
        }

return $key;
    }

const SECTION_CALL = '
        // %s section
        $value = $context->%s(%s);%s
        $buffer .= $this->section%s($context, $indent, $value);
    ';

const SECTION = '
        private function section%s(Mustache_Context $context, $indent, $value)
        {
            $buffer = \'\';

if (%s) {
                $source = %s;
                $result = call_user_func($value, $source, %s);
                if (strpos($result, \'{{\') === false) {
                    $buffer .= $result;
                } else {
                    $buffer .= $this->mustache
                        ->loadLambda((string) $result%s)
                        ->renderInternal($context);
                }
            } elseif (!empty($value)) {
                $values = $this->isIterable($value) ? $value : array($value);
                foreach ($values as $value) {
                    $context->push($value);
                    %s
                    $context->pop();
                }
            }

return $buffer;
        }
    ';

/**
     * Generate Mustache Template section PHP source.
     *
     * @param array    $nodes   Array of child tokens
     * @param string   $id      Section name
     * @param string[] $filters Array of filters
     * @param int      $start   Section start offset
     * @param int      $end     Section end offset
     * @param string   $otag    Current Mustache opening tag
     * @param string   $ctag    Current Mustache closing tag
     * @param int      $level
     *
     * @return string Generated section PHP source code
     */
    private function section($nodes, $id, $filters, $start, $end, $otag, $ctag, $level)
    {
        $source   = var_export(substr($this->source, $start, $end - $start), true);
        $callable = $this->getCallable();

if ($otag !== '{{' || $ctag !== '}}') {
            $delimTag = var_export(sprintf('{{= %s %s =}}', $otag, $ctag), true);
            $helper = sprintf('$this->lambdaHelper->withDelimiters(%s)', $delimTag);
            $delims = ', ' . $delimTag;
        } else {
            $helper = '$this->lambdaHelper';
            $delims = '';
        }

$key = ucfirst(md5($delims . "\n" . $source));

if (!isset($this->sections[$key])) {
            $this->sections[$key] = sprintf($this->prepare(self::SECTION), $key, $callable, $source, $helper, $delims, $this->walk($nodes, 2));
        }

$method  = $this->getFindMethod($id);
        $id      = var_export($id, true);
        $filters = $this->getFilters($filters, $level);

return sprintf($this->prepare(self::SECTION_CALL, $level), $id, $method, $id, $filters, $key);
    }

const INVERTED_SECTION = '
        // %s inverted section
        $value = $context->%s(%s);%s
        if (empty($value)) {
            %s
        }
    ';

/**
     * Generate Mustache Template inverted section PHP source.
     *
     * @param array    $nodes   Array of child tokens
     * @param string   $id      Section name
     * @param string[] $filters Array of filters
     * @param int      $level
     *
     * @return string Generated inverted section PHP source code
     */
    private function invertedSection($nodes, $id, $filters, $level)
    {
        $method  = $this->getFindMethod($id);
        $id      = var_export($id, true);
        $filters = $this->getFilters($filters, $level);

return sprintf($this->prepare(self::INVERTED_SECTION, $level), $id, $method, $id, $filters, $this->walk($nodes, $level));
    }

const PARTIAL_INDENT = ', $indent . %s';
    const PARTIAL = '
        if ($partial = $this->mustache->loadPartial(%s)) {
            $buffer .= $partial->renderInternal($context%s);
        }
    ';

/**
     * Generate Mustache Template partial call PHP source.
     *
     * @param string $id     Partial name
     * @param string $indent Whitespace indent to apply to partial
     * @param int    $level
     *
     * @return string Generated partial call PHP source code
     */
    private function partial($id, $indent, $level)
    {
        if ($indent !== '') {
            $indentParam = sprintf(self::PARTIAL_INDENT, var_export($indent, true));
        } else {
            $indentParam = '';
        }

return sprintf(
            $this->prepare(self::PARTIAL, $level),
            var_export($id, true),
            $indentParam
        );
    }

const PARENT = '
        if ($parent = $this->mustache->loadPartial(%s)) {
            $context->pushBlockContext(array(%s
            ));
            $buffer .= $parent->renderInternal($context, $indent);
            $context->popBlockContext();
        }
    ';

const PARENT_NO_CONTEXT = '
        if ($parent = $this->mustache->loadPartial(%s)) {
            $buffer .= $parent->renderInternal($context, $indent);
        }
    ';

/**
     * Generate Mustache Template inheritance parent call PHP source.
     *
     * @param string $id       Parent tag name
     * @param string $indent   Whitespace indent to apply to parent
     * @param array  $children Child nodes
     * @param int    $level
     *
     * @return string Generated PHP source code
     */
    private function parent($id, $indent, array $children, $level)
    {
        $realChildren = array_filter($children, array(__CLASS__, 'onlyBlockArgs'));

if (empty($realChildren)) {
            return sprintf($this->prepare(self::PARENT_NO_CONTEXT, $level), var_export($id, true));
        }

return sprintf(
            $this->prepare(self::PARENT, $level),
            var_export($id, true),
            $this->walk($realChildren, $level + 1)
        );
    }

/**
     * Helper method for filtering out non-block-arg tokens.
     *
     * @param array $node
     *
     * @return bool True if $node is a block arg token
     */
    private static function onlyBlockArgs(array $node)
    {
        return $node[Mustache_Tokenizer::TYPE] === Mustache_Tokenizer::T_BLOCK_ARG;
    }

const VARIABLE = '
        $value = $this->resolveValue($context->%s(%s), $context);%s
        $buffer .= %s%s;
    ';

/**
     * Generate Mustache Template variable interpolation PHP source.
     *
     * @param string   $id      Variable name
     * @param string[] $filters Array of filters
     * @param bool     $escape  Escape the variable value for output?
     * @param int      $level
     *
     * @return string Generated variable interpolation PHP source
     */
    private function variable($id, $filters, $escape, $level)
    {
        $method  = $this->getFindMethod($id);
        $id      = ($method !== 'last') ? var_export($id, true) : '';
        $filters = $this->getFilters($filters, $level);
        $value   = $escape ? $this->getEscape() : '$value';

return sprintf($this->prepare(self::VARIABLE, $level), $method, $id, $filters, $this->flushIndent(), $value);
    }

const FILTER = '
        $filter = $context->%s(%s);
        if (!(%s)) {
            throw new Mustache_Exception_UnknownFilterException(%s);
        }
        $value = call_user_func($filter, $value);%s
    ';

/**
     * Generate Mustache Template variable filtering PHP source.
     *
     * @param string[] $filters Array of filters
     * @param int      $level
     *
     * @return string Generated filter PHP source
     */
    private function getFilters(array $filters, $level)
    {
        if (empty($filters)) {
            return '';
        }

$name     = array_shift($filters);
        $method   = $this->getFindMethod($name);
        $filter   = ($method !== 'last') ? var_export($name, true) : '';
        $callable = $this->getCallable('$filter');
        $msg      = var_export($name, true);

return sprintf($this->prepare(self::FILTER, $level), $method, $filter, $callable, $msg, $this->getFilters($filters, $level));
    }

const LINE = '$buffer .= "\n";';
    const TEXT = '$buffer .= %s%s;';

/**
     * Generate Mustache Template output Buffer call PHP source.
     *
     * @param string $text
     * @param int    $level
     *
     * @return string Generated output Buffer call PHP source
     */
    private function text($text, $level)
    {
        $indentNextLine = (substr($text, -1) === "\n");
        $code = sprintf($this->prepare(self::TEXT, $level), $this->flushIndent(), var_export($text, true));
        $this->indentNextLine = $indentNextLine;

return $code;
    }

/**
     * Prepare PHP source code snippet for output.
     *
     * @param string $text
     * @param int    $bonus          Additional indent level (default: 0)
     * @param bool   $prependNewline Prepend a newline to the snippet? (default: true)
     * @param bool   $appendNewline  Append a newline to the snippet? (default: false)
     *
     * @return string PHP source code snippet
     */
    private function prepare($text, $bonus = 0, $prependNewline = true, $appendNewline = false)
    {
        $text = ($prependNewline ? "\n" : '') . trim($text);
        if ($prependNewline) {
            $bonus++;
        }
        if ($appendNewline) {
            $text .= "\n";
        }

return preg_replace("/\n( {8})?/", "\n" . str_repeat(' ', $bonus * 4), $text);
    }

const DEFAULT_ESCAPE = 'htmlspecialchars(%s, %s, %s)';
    const CUSTOM_ESCAPE  = 'call_user_func($this->mustache->getEscape(), %s)';

/**
     * Get the current escaper.
     *
     * @param string $value (default: '$value')
     *
     * @return string Either a custom callback, or an inline call to `htmlspecialchars`
     */
    private function getEscape($value = '$value')
    {
        if ($this->customEscape) {
            return sprintf(self::CUSTOM_ESCAPE, $value);
        }

return sprintf(self::DEFAULT_ESCAPE, $value, var_export($this->entityFlags, true), var_export($this->charset, true));
    }

/**
     * Select the appropriate Context `find` method for a given $id.
     *
     * The return value will be one of `find`, `findDot`, `findAnchoredDot` or `last`.
     *
     * @see Mustache_Context::find
     * @see Mustache_Context::findDot
     * @see Mustache_Context::last
     *
     * @param string $id Variable name
     *
     * @return string `find` method name
     */
    private function getFindMethod($id)
    {
        if ($id === '.') {
            return 'last';
        }

if (isset($this->pragmas[Mustache_Engine::PRAGMA_ANCHORED_DOT]) && $this->pragmas[Mustache_Engine::PRAGMA_ANCHORED_DOT]) {
            if (substr($id, 0, 1) === '.') {
                return 'findAnchoredDot';
            }
        }

if (strpos($id, '.') === false) {
            return 'find';
        }

return 'findDot';
    }

const IS_CALLABLE        = '!is_string(%s) && is_callable(%s)';
    const STRICT_IS_CALLABLE = 'is_object(%s) && is_callable(%s)';

/**
     * Helper function to compile strict vs lax "is callable" logic.
     *
     * @param string $variable (default: '$value')
     *
     * @return string "is callable" logic
     */
    private function getCallable($variable = '$value')
    {
        $tpl = $this->strictCallables ? self::STRICT_IS_CALLABLE : self::IS_CALLABLE;

return sprintf($tpl, $variable, $variable);
    }

const LINE_INDENT = '$indent . ';

/**
     * Get the current $indent prefix to write to the buffer.
     *
     * @return string "$indent . " or ""
     */
    private function flushIndent()
    {
        if (!$this->indentNextLine) {
            return '';
        }

$this->indentNextLine = false;

return self::LINE_INDENT;
    }
}
<?php

/**
 * A collection of helpers for a Mustache instance.
 */
class Mustache_HelperCollection
{
    private $helpers = array();

/**
     * Helper Collection constructor.
     *
     * Optionally accepts an array (or Traversable) of `$name => $helper` pairs.
     *
     * @throws Mustache_Exception_InvalidArgumentException if the $helpers argument isn't an array or Traversable
     *
     * @param array|Traversable $helpers (default: null)
     */
    public function __construct($helpers = null)
    {
        if ($helpers === null) {
            return;
        }

if (!is_array($helpers) && !$helpers instanceof Traversable) {
            throw new Mustache_Exception_InvalidArgumentException('HelperCollection constructor expects an array of helpers');
        }

foreach ($helpers as $name => $helper) {
            $this->add($name, $helper);
        }
    }

/**
     * Magic mutator.
     *
     * @see Mustache_HelperCollection::add
     *
     * @param string $name
     * @param mixed  $helper
     */
    public function __set($name, $helper)
    {
        $this->add($name, $helper);
    }

/**
     * Add a helper to this collection.
     *
     * @param string $name
     * @param mixed  $helper
     */
    public function add($name, $helper)
    {
        $this->helpers[$name] = $helper;
    }

/**
     * Magic accessor.
     *
     * @see Mustache_HelperCollection::get
     *
     * @param string $name
     *
     * @return mixed Helper
     */
    public function __get($name)
    {
        return $this->get($name);
    }

/**
     * Get a helper by name.
     *
     * @throws Mustache_Exception_UnknownHelperException If helper does not exist
     *
     * @param string $name
     *
     * @return mixed Helper
     */
    public function get($name)
    {
        if (!$this->has($name)) {
            throw new Mustache_Exception_UnknownHelperException($name);
        }

return $this->helpers[$name];
    }

/**
     * Magic isset().
     *
     * @see Mustache_HelperCollection::has
     *
     * @param string $name
     *
     * @return bool True if helper is present
     */
    public function __isset($name)
    {
        return $this->has($name);
    }

/**
     * Check whether a given helper is present in the collection.
     *
     * @param string $name
     *
     * @return bool True if helper is present
     */
    public function has($name)
    {
        return array_key_exists($name, $this->helpers);
    }

/**
     * Magic unset().
     *
     * @see Mustache_HelperCollection::remove
     *
     * @param string $name
     */
    public function __unset($name)
    {
        $this->remove($name);
    }

/**
     * Check whether a given helper is present in the collection.
     *
     * @throws Mustache_Exception_UnknownHelperException if the requested helper is not present
     *
     * @param string $name
     */
    public function remove($name)
    {
        if (!$this->has($name)) {
            throw new Mustache_Exception_UnknownHelperException($name);
        }

unset($this->helpers[$name]);
    }

/**
     * Clear the helper collection.
     *
     * Removes all helpers from this collection
     */
    public function clear()
    {
        $this->helpers = array();
    }

/**
     * Check whether the helper collection is empty.
     *
     * @return bool True if the collection is empty
     */
    public function isEmpty()
    {
        return empty($this->helpers);
    }
}
<?php

/**
 * Mustache Cache interface.
 *
 * Interface for caching and loading Mustache_Template classes
 * generated by the Mustache_Compiler.
 */
interface Mustache_Cache
{
    /**
     * Load a compiled Mustache_Template class from cache.
     *
     * @param string $key
     *
     * @return bool indicates successfully class load
     */
    public function load($key);

/**
     * Cache and load a compiled Mustache_Template class.
     *
     * @param string $key
     * @param string $value
     */
    public function cache($key, $value);
}
<?php

/**
 * A Mustache Exception interface.
 */
interface Mustache_Exception
{
    // This space intentionally left blank.
}
<?php

/**
 * Mustache Template Loader interface.
 */
interface Mustache_Loader
{
    /**
     * Load a Template by name.
     *
     * @throws Mustache_Exception_UnknownTemplateException If a template file is not found
     *
     * @param string $name
     *
     * @return string|Mustache_Source Mustache Template source
     */
    public function load($name);
}
<?php

/**
 * Mustache template Source interface.
 */
interface Mustache_Source
{
    /**
     * Get the Source key (used to generate the compiled class name).
     *
     * This must return a distinct key for each template source. For example, an
     * MD5 hash of the template contents would probably do the trick. The
     * ProductionFilesystemLoader uses mtime and file path. If your production
     * source directory is under version control, you could use the current Git
     * rev and the file path...
     *
     * @throws RuntimeException when a source file cannot be read
     *
     * @return string
     */
    public function getKey();

/**
     * Get the template Source.
     *
     * @throws RuntimeException when a source file cannot be read
     *
     * @return string
     */
    public function getSource();
}
<?php

/**
 * Mustache template Filesystem Source.
 *
 * This template Source uses stat() to generate the Source key, so that using
 * pre-compiled templates doesn't require hitting the disk to read the source.
 * It is more suitable for production use, and is used by default in the
 * ProductionFilesystemLoader.
 */
class Mustache_Source_FilesystemSource implements Mustache_Source
{
    private $fileName;
    private $statProps;
    private $stat;

/**
     * Filesystem Source constructor.
     *
     * @param string $fileName
     * @param array  $statProps
     */
    public function __construct($fileName, array $statProps)
    {
        $this->fileName = $fileName;
        $this->statProps = $statProps;
    }

/**
     * Get the Source key (used to generate the compiled class name).
     *
     * @throws RuntimeException when a source file cannot be read
     *
     * @return string
     */
    public function getKey()
    {
        $chunks = array(
            'fileName' => $this->fileName,
        );

if (!empty($this->statProps)) {
            if (!isset($this->stat)) {
                $this->stat = @stat($this->fileName);
            }

if ($this->stat === false) {
                throw new RuntimeException(sprintf('Failed to read source file "%s".', $this->fileName));
            }

foreach ($this->statProps as $prop) {
                $chunks[$prop] = $this->stat[$prop];
            }
        }

return json_encode($chunks);
    }

/**
     * Get the template Source.
     *
     * @return string
     */
    public function getSource()
    {
        return file_get_contents($this->fileName);
    }
}
<?php

/**
 * Logic exception.
 */
class Mustache_Exception_LogicException extends LogicException implements Mustache_Exception
{
    // This space intentionally left blank.
}
<?php

/**
 * Unknown helper exception.
 */
class Mustache_Exception_UnknownHelperException extends InvalidArgumentException implements Mustache_Exception
{
    protected $helperName;

/**
     * @param string    $helperName
     * @param Exception $previous
     */
    public function __construct($helperName, Exception $previous = null)
    {
        $this->helperName = $helperName;
        $message = sprintf('Unknown helper: %s', $helperName);
        if (version_compare(PHP_VERSION, '5.3.0', '>=')) {
            parent::__construct($message, 0, $previous);
        } else {
            parent::__construct($message); // @codeCoverageIgnore
        }
    }

public function getHelperName()
    {
        return $this->helperName;
    }
}
<?php

/**
 * Mustache syntax exception.
 */
class Mustache_Exception_SyntaxException extends LogicException implements Mustache_Exception
{
    protected $token;

/**
     * @param string    $msg
     * @param array     $token
     * @param Exception $previous
     */
    public function __construct($msg, array $token, Exception $previous = null)
    {
        $this->token = $token;
        if (version_compare(PHP_VERSION, '5.3.0', '>=')) {
            parent::__construct($msg, 0, $previous);
        } else {
            parent::__construct($msg); // @codeCoverageIgnore
        }
    }

/**
     * @return array
     */
    public function getToken()
    {
        return $this->token;
    }
}
<?php

/**
 * Unknown filter exception.
 */
class Mustache_Exception_UnknownFilterException extends UnexpectedValueException implements Mustache_Exception
{
    protected $filterName;

/**
     * @param string    $filterName
     * @param Exception $previous
     */
    public function __construct($filterName, Exception $previous = null)
    {
        $this->filterName = $filterName;
        $message = sprintf('Unknown filter: %s', $filterName);
        if (version_compare(PHP_VERSION, '5.3.0', '>=')) {
            parent::__construct($message, 0, $previous);
        } else {
            parent::__construct($message); // @codeCoverageIgnore
        }
    }

public function getFilterName()
    {
        return $this->filterName;
    }
}
<?php

/**
 * Invalid argument exception.
 */
class Mustache_Exception_InvalidArgumentException extends InvalidArgumentException implements Mustache_Exception
{
    // This space intentionally left blank.
}
<?php

/**
 * Runtime exception.
 */
class Mustache_Exception_RuntimeException extends RuntimeException implements Mustache_Exception
{
    // This space intentionally left blank.
}
<?php

/**
 * Unknown template exception.
 */
class Mustache_Exception_UnknownTemplateException extends InvalidArgumentException implements Mustache_Exception
{
    protected $templateName;

/**
     * @param string    $templateName
     * @param Exception $previous
     */
    public function __construct($templateName, Exception $previous = null)
    {
        $this->templateName = $templateName;
        $message = sprintf('Unknown template: %s', $templateName);
        if (version_compare(PHP_VERSION, '5.3.0', '>=')) {
            parent::__construct($message, 0, $previous);
        } else {
            parent::__construct($message); // @codeCoverageIgnore
        }
    }

public function getTemplateName()
    {
        return $this->templateName;
    }
}
<?php
/**
 * PEAR package builder
 *
 * Inspired by Twig's create_pear_package.php.
 * @link https://raw.github.com/fabpot/Twig/master/bin/create_pear_package.php
 * @author Twig Team
 * @license BSD license
 */

if (!isset($argv[1]) || $argv[1] === '-h' || $argv[1] === '--help') {
	echo 'usage: php ' . $argv[0] . ' <version> <stability>' . PHP_EOL;
	echo PHP_EOL;
	echo '    version:' . PHP_EOL;
	echo '        Version of the package, in the form of major.minor.bug' . PHP_EOL;
	echo PHP_EOL;
	echo '    stability:' . PHP_EOL;
	echo '        One of alpha, beta, stable' . PHP_EOL;
	die();
}

if (!isset($argv[2])) {
	die('You must provide the stability (alpha, beta, or stable)');
}

$context = array(
	'date'          => gmdate('Y-m-d'),
	'time'          => gmdate('H:m:00'),
	'version'       => $argv[1],
	'api_version'   => $argv[1],
	'stability'     => $argv[2],
	'api_stability' => $argv[2],
);

$context['files'] = '';
$path = realpath(dirname(__FILE__).'/../library/Requests');
foreach (new RecursiveIteratorIterator(new RecursiveDirectoryIterator($path), RecursiveIteratorIterator::LEAVES_ONLY) as $file) {
	if (preg_match('/\.php$/', $file)) 	{
		$name = str_replace($path . DIRECTORY_SEPARATOR, '', $file);
		$name = str_replace(DIRECTORY_SEPARATOR, '/', $name);
		$context['files'][] = "\t\t\t\t\t" . '<file install-as="Requests/' . $name . '" name="' . $name . '" role="php" />';
	}
}

$context['files'] = implode("\n", $context['files']);

$template = file_get_contents(dirname(__FILE__).'/../package.xml.tpl');
$content = preg_replace_callback('/\{\{\s*([a-zA-Z0-9_]+)\s*\}\}/', 'replace_parameters', $template);
file_put_contents(dirname(__FILE__).'/../package.xml', $content);

function replace_parameters($matches) {
	global $context;

return isset($context[$matches[1]]) ? $context[$matches[1]] : null;
}
<?php

/**
 * IDNA URL encoder
 *
 * Note: Not fully compliant, as nameprep does nothing yet.
 *
 * @package Requests
 * @subpackage Utilities
 * @see https://tools.ietf.org/html/rfc3490 IDNA specification
 * @see https://tools.ietf.org/html/rfc3492 Punycode/Bootstrap specification
 */
class Requests_IDNAEncoder {
	/**
	 * ACE prefix used for IDNA
	 *
	 * @see https://tools.ietf.org/html/rfc3490#section-5
	 * @var string
	 */
	const ACE_PREFIX = 'xn--';

/**#@+
	 * Bootstrap constant for Punycode
	 *
	 * @see https://tools.ietf.org/html/rfc3492#section-5
	 * @var int
	 */
	const BOOTSTRAP_BASE         = 36;
	const BOOTSTRAP_TMIN         = 1;
	const BOOTSTRAP_TMAX         = 26;
	const BOOTSTRAP_SKEW         = 38;
	const BOOTSTRAP_DAMP         = 700;
	const BOOTSTRAP_INITIAL_BIAS = 72;
	const BOOTSTRAP_INITIAL_N    = 128;
	/**#@-*/

/**
	 * Encode a hostname using Punycode
	 *
	 * @param string $string Hostname
	 * @return string Punycode-encoded hostname
	 */
	public static function encode($string) {
		$parts = explode('.', $string);
		foreach ($parts as &$part) {
			$part = self::to_ascii($part);
		}
		return implode('.', $parts);
	}

/**
	 * Convert a UTF-8 string to an ASCII string using Punycode
	 *
	 * @throws Requests_Exception Provided string longer than 64 ASCII characters (`idna.provided_too_long`)
	 * @throws Requests_Exception Prepared string longer than 64 ASCII characters (`idna.prepared_too_long`)
	 * @throws Requests_Exception Provided string already begins with xn-- (`idna.provided_is_prefixed`)
	 * @throws Requests_Exception Encoded string longer than 64 ASCII characters (`idna.encoded_too_long`)
	 *
	 * @param string $string ASCII or UTF-8 string (max length 64 characters)
	 * @return string ASCII string
	 */
	public static function to_ascii($string) {
		// Step 1: Check if the string is already ASCII
		if (self::is_ascii($string)) {
			// Skip to step 7
			if (strlen($string) < 64) {
				return $string;
			}

throw new Requests_Exception('Provided string is too long', 'idna.provided_too_long', $string);
		}

// Step 2: nameprep
		$string = self::nameprep($string);

// Step 3: UseSTD3ASCIIRules is false, continue
		// Step 4: Check if it's ASCII now
		if (self::is_ascii($string)) {
			// Skip to step 7
			if (strlen($string) < 64) {
				return $string;
			}

throw new Requests_Exception('Prepared string is too long', 'idna.prepared_too_long', $string);
		}

// Step 5: Check ACE prefix
		if (strpos($string, self::ACE_PREFIX) === 0) {
			throw new Requests_Exception('Provided string begins with ACE prefix', 'idna.provided_is_prefixed', $string);
		}

// Step 6: Encode with Punycode
		$string = self::punycode_encode($string);

// Step 7: Prepend ACE prefix
		$string = self::ACE_PREFIX . $string;

// Step 8: Check size
		if (strlen($string) < 64) {
			return $string;
		}

throw new Requests_Exception('Encoded string is too long', 'idna.encoded_too_long', $string);
	}

/**
	 * Check whether a given string contains only ASCII characters
	 *
	 * @internal (Testing found regex was the fastest implementation)
	 *
	 * @param string $string
	 * @return bool Is the string ASCII-only?
	 */
	protected static function is_ascii($string) {
		return (preg_match('/(?:[^\x00-\x7F])/', $string) !== 1);
	}

/**
	 * Prepare a string for use as an IDNA name
	 *
	 * @todo Implement this based on RFC 3491 and the newer 5891
	 * @param string $string
	 * @return string Prepared string
	 */
	protected static function nameprep($string) {
		return $string;
	}

/**
	 * Convert a UTF-8 string to a UCS-4 codepoint array
	 *
	 * Based on Requests_IRI::replace_invalid_with_pct_encoding()
	 *
	 * @throws Requests_Exception Invalid UTF-8 codepoint (`idna.invalidcodepoint`)
	 * @param string $input
	 * @return array Unicode code points
	 */
	protected static function utf8_to_codepoints($input) {
		$codepoints = array();

// Get number of bytes
		$strlen = strlen($input);

for ($position = 0; $position < $strlen; $position++) {
			$value = ord($input[$position]);

// One byte sequence:
			if ((~$value & 0x80) === 0x80) {
				$character = $value;
				$length = 1;
				$remaining = 0;
			}
			// Two byte sequence:
			elseif (($value & 0xE0) === 0xC0) {
				$character = ($value & 0x1F) << 6;
				$length = 2;
				$remaining = 1;
			}
			// Three byte sequence:
			elseif (($value & 0xF0) === 0xE0) {
				$character = ($value & 0x0F) << 12;
				$length = 3;
				$remaining = 2;
			}
			// Four byte sequence:
			elseif (($value & 0xF8) === 0xF0) {
				$character = ($value & 0x07) << 18;
				$length = 4;
				$remaining = 3;
			}
			// Invalid byte:
			else {
				throw new Requests_Exception('Invalid Unicode codepoint', 'idna.invalidcodepoint', $value);
			}

if ($remaining > 0) {
				if ($position + $length > $strlen) {
					throw new Requests_Exception('Invalid Unicode codepoint', 'idna.invalidcodepoint', $character);
				}
				for ($position++; $remaining > 0; $position++) {
					$value = ord($input[$position]);

// If it is invalid, count the sequence as invalid and reprocess the current byte:
					if (($value & 0xC0) !== 0x80) {
						throw new Requests_Exception('Invalid Unicode codepoint', 'idna.invalidcodepoint', $character);
					}

$character |= ($value & 0x3F) << (--$remaining * 6);
				}
				$position--;
			}

if (
				// Non-shortest form sequences are invalid
				   $length > 1 && $character <= 0x7F
				|| $length > 2 && $character <= 0x7FF
				|| $length > 3 && $character <= 0xFFFF
				// Outside of range of ucschar codepoints
				// Noncharacters
				|| ($character & 0xFFFE) === 0xFFFE
				|| $character >= 0xFDD0 && $character <= 0xFDEF
				|| (
					// Everything else not in ucschar
					   $character > 0xD7FF && $character < 0xF900
					|| $character < 0x20
					|| $character > 0x7E && $character < 0xA0
					|| $character > 0xEFFFD
				)
			) {
				throw new Requests_Exception('Invalid Unicode codepoint', 'idna.invalidcodepoint', $character);
			}

$codepoints[] = $character;
		}

return $codepoints;
	}

/**
	 * RFC3492-compliant encoder
	 *
	 * @internal Pseudo-code from Section 6.3 is commented with "#" next to relevant code
	 * @throws Requests_Exception On character outside of the domain (never happens with Punycode) (`idna.character_outside_domain`)
	 *
	 * @param string $input UTF-8 encoded string to encode
	 * @return string Punycode-encoded string
	 */
	public static function punycode_encode($input) {
		$output = '';
#		let n = initial_n
		$n = self::BOOTSTRAP_INITIAL_N;
#		let delta = 0
		$delta = 0;
#		let bias = initial_bias
		$bias = self::BOOTSTRAP_INITIAL_BIAS;
#		let h = b = the number of basic code points in the input
		$h = $b = 0; // see loop
#		copy them to the output in order
		$codepoints = self::utf8_to_codepoints($input);
		$extended = array();

foreach ($codepoints as $char) {
			if ($char < 128) {
				// Character is valid ASCII
				// TODO: this should also check if it's valid for a URL
				$output .= chr($char);
				$h++;
			}
			// Check if the character is non-ASCII, but below initial n
			// This never occurs for Punycode, so ignore in coverage
			// @codeCoverageIgnoreStart
			elseif ($char < $n) {
				throw new Requests_Exception('Invalid character', 'idna.character_outside_domain', $char);
			}
			// @codeCoverageIgnoreEnd
			else {
				$extended[$char] = true;
			}
		}
		$extended = array_keys($extended);
		sort($extended);
		$b = $h;
#		[copy them] followed by a delimiter if b > 0
		if (strlen($output) > 0) {
			$output .= '-';
		}
#		{if the input contains a non-basic code point < n then fail}
#		while h < length(input) do begin
		while ($h < count($codepoints)) {
#			let m = the minimum code point >= n in the input
			$m = array_shift($extended);
			//printf('next code point to insert is %s' . PHP_EOL, dechex($m));
#			let delta = delta + (m - n) * (h + 1), fail on overflow
			$delta += ($m - $n) * ($h + 1);
#			let n = m
			$n = $m;
#			for each code point c in the input (in order) do begin
			for ($num = 0; $num < count($codepoints); $num++) {
				$c = $codepoints[$num];
#				if c < n then increment delta, fail on overflow
				if ($c < $n) {
					$delta++;
				}
#				if c == n then begin
				elseif ($c === $n) {
#					let q = delta
					$q = $delta;
#					for k = base to infinity in steps of base do begin
					for ($k = self::BOOTSTRAP_BASE; ; $k += self::BOOTSTRAP_BASE) {
#						let t = tmin if k <= bias {+ tmin}, or
#								tmax if k >= bias + tmax, or k - bias otherwise
						if ($k <= ($bias + self::BOOTSTRAP_TMIN)) {
							$t = self::BOOTSTRAP_TMIN;
						}
						elseif ($k >= ($bias + self::BOOTSTRAP_TMAX)) {
							$t = self::BOOTSTRAP_TMAX;
						}
						else {
							$t = $k - $bias;
						}
#						if q < t then break
						if ($q < $t) {
							break;
						}
#						output the code point for digit t + ((q - t) mod (base - t))
						$digit = $t + (($q - $t) % (self::BOOTSTRAP_BASE - $t));
						$output .= self::digit_to_char($digit);
#						let q = (q - t) div (base - t)
						$q = floor(($q - $t) / (self::BOOTSTRAP_BASE - $t));
#					end
					}
#					output the code point for digit q
					$output .= self::digit_to_char($q);
#					let bias = adapt(delta, h + 1, test h equals b?)
					$bias = self::adapt($delta, $h + 1, $h === $b);
#					let delta = 0
					$delta = 0;
#					increment h
					$h++;
#				end
				}
#			end
			}
#			increment delta and n
			$delta++;
			$n++;
#		end
		}

return $output;
	}

/**
	 * Convert a digit to its respective character
	 *
	 * @see https://tools.ietf.org/html/rfc3492#section-5
	 * @throws Requests_Exception On invalid digit (`idna.invalid_digit`)
	 *
	 * @param int $digit Digit in the range 0-35
	 * @return string Single character corresponding to digit
	 */
	protected static function digit_to_char($digit) {
		// @codeCoverageIgnoreStart
		// As far as I know, this never happens, but still good to be sure.
		if ($digit < 0 || $digit > 35) {
			throw new Requests_Exception(sprintf('Invalid digit %d', $digit), 'idna.invalid_digit', $digit);
		}
		// @codeCoverageIgnoreEnd
		$digits = 'abcdefghijklmnopqrstuvwxyz0123456789';
		return substr($digits, $digit, 1);
	}

/**
	 * Adapt the bias
	 *
	 * @see https://tools.ietf.org/html/rfc3492#section-6.1
	 * @param int $delta
	 * @param int $numpoints
	 * @param bool $firsttime
	 * @return int New bias
	 */
	protected static function adapt($delta, $numpoints, $firsttime) {
#	function adapt(delta,numpoints,firsttime):
#		if firsttime then let delta = delta div damp
		if ($firsttime) {
			$delta = floor($delta / self::BOOTSTRAP_DAMP);
		}
#		else let delta = delta div 2
		else {
			$delta = floor($delta / 2);
		}
#		let delta = delta + (delta div numpoints)
		$delta += floor($delta / $numpoints);
#		let k = 0
		$k = 0;
#		while delta > ((base - tmin) * tmax) div 2 do begin
		$max = floor(((self::BOOTSTRAP_BASE - self::BOOTSTRAP_TMIN) * self::BOOTSTRAP_TMAX) / 2);
		while ($delta > $max) {
#			let delta = delta div (base - tmin)
			$delta = floor($delta / (self::BOOTSTRAP_BASE - self::BOOTSTRAP_TMIN));
#			let k = k + base
			$k += self::BOOTSTRAP_BASE;
#		end
		}
#		return k + (((base - tmin + 1) * delta) div (delta + skew))
		return $k + floor(((self::BOOTSTRAP_BASE - self::BOOTSTRAP_TMIN + 1) * $delta) / ($delta + self::BOOTSTRAP_SKEW));
	}
}<?php
/**
 * HTTP response class
 *
 * Contains a response from Requests::request()
 * @package Requests
 */

/**
 * HTTP response class
 *
 * Contains a response from Requests::request()
 * @package Requests
 */
class Requests_Response {
	/**
	 * Constructor
	 */
	public function __construct() {
		$this->headers = new Requests_Response_Headers();
		$this->cookies = new Requests_Cookie_Jar();
	}

/**
	 * Response body
	 *
	 * @var string
	 */
	public $body = '';

/**
	 * Raw HTTP data from the transport
	 *
	 * @var string
	 */
	public $raw = '';

/**
	 * Headers, as an associative array
	 *
	 * @var Requests_Response_Headers Array-like object representing headers
	 */
	public $headers = array();

/**
	 * Status code, false if non-blocking
	 *
	 * @var integer|boolean
	 */
	public $status_code = false;

/**
	 * Protocol version, false if non-blocking
	 * @var float|boolean
	 */
	public $protocol_version = false;

/**
	 * Whether the request succeeded or not
	 *
	 * @var boolean
	 */
	public $success = false;

/**
	 * Number of redirects the request used
	 *
	 * @var integer
	 */
	public $redirects = 0;

/**
	 * URL requested
	 *
	 * @var string
	 */
	public $url = '';

/**
	 * Previous requests (from redirects)
	 *
	 * @var array Array of Requests_Response objects
	 */
	public $history = array();

/**
	 * Cookies from the request
	 *
	 * @var Requests_Cookie_Jar Array-like object representing a cookie jar
	 */
	public $cookies = array();

/**
	 * Is the response a redirect?
	 *
	 * @return boolean True if redirect (3xx status), false if not.
	 */
	public function is_redirect() {
		$code = $this->status_code;
		return in_array($code, array(300, 301, 302, 303, 307)) || $code > 307 && $code < 400;
	}

/**
	 * Throws an exception if the request was not successful
	 *
	 * @throws Requests_Exception If `$allow_redirects` is false, and code is 3xx (`response.no_redirects`)
	 * @throws Requests_Exception_HTTP On non-successful status code. Exception class corresponds to code (e.g. {@see Requests_Exception_HTTP_404})
	 * @param boolean $allow_redirects Set to false to throw on a 3xx as well
	 */
	public function throw_for_status($allow_redirects = true) {
		if ($this->is_redirect()) {
			if (!$allow_redirects) {
				throw new Requests_Exception('Redirection not allowed', 'response.no_redirects', $this);
			}
		}
		elseif (!$this->success) {
			$exception = Requests_Exception_HTTP::get_class($this->status_code);
			throw new $exception(null, $this);
		}
	}
}
<?php
/**
 * Class to validate and to work with IPv6 addresses
 *
 * @package Requests
 * @subpackage Utilities
 */

/**
 * Class to validate and to work with IPv6 addresses
 *
 * This was originally based on the PEAR class of the same name, but has been
 * entirely rewritten.
 *
 * @package Requests
 * @subpackage Utilities
 */
class Requests_IPv6 {
	/**
	 * Uncompresses an IPv6 address
	 *
	 * RFC 4291 allows you to compress consecutive zero pieces in an address to
	 * '::'. This method expects a valid IPv6 address and expands the '::' to
	 * the required number of zero pieces.
	 *
	 * Example:  FF01::101   ->  FF01:0:0:0:0:0:0:101
	 *           ::1         ->  0:0:0:0:0:0:0:1
	 *
	 * @author Alexander Merz <alexander.merz@web.de>
	 * @author elfrink at introweb dot nl
	 * @author Josh Peck <jmp at joshpeck dot org>
	 * @copyright 2003-2005 The PHP Group
	 * @license http://www.opensource.org/licenses/bsd-license.php
	 * @param string $ip An IPv6 address
	 * @return string The uncompressed IPv6 address
	 */
	public static function uncompress($ip) {
		if (substr_count($ip, '::') !== 1) {
			return $ip;
		}

list($ip1, $ip2) = explode('::', $ip);
		$c1 = ($ip1 === '') ? -1 : substr_count($ip1, ':');
		$c2 = ($ip2 === '') ? -1 : substr_count($ip2, ':');

if (strpos($ip2, '.') !== false) {
			$c2++;
		}
		// ::
		if ($c1 === -1 && $c2 === -1) {
			$ip = '0:0:0:0:0:0:0:0';
		}
		// ::xxx
		else if ($c1 === -1) {
			$fill = str_repeat('0:', 7 - $c2);
			$ip = str_replace('::', $fill, $ip);
		}
		// xxx::
		else if ($c2 === -1) {
			$fill = str_repeat(':0', 7 - $c1);
			$ip = str_replace('::', $fill, $ip);
		}
		// xxx::xxx
		else {
			$fill = ':' . str_repeat('0:', 6 - $c2 - $c1);
			$ip = str_replace('::', $fill, $ip);
		}
		return $ip;
	}

/**
	 * Compresses an IPv6 address
	 *
	 * RFC 4291 allows you to compress consecutive zero pieces in an address to
	 * '::'. This method expects a valid IPv6 address and compresses consecutive
	 * zero pieces to '::'.
	 *
	 * Example:  FF01:0:0:0:0:0:0:101   ->  FF01::101
	 *           0:0:0:0:0:0:0:1        ->  ::1
	 *
	 * @see uncompress()
	 * @param string $ip An IPv6 address
	 * @return string The compressed IPv6 address
	 */
	public static function compress($ip) {
		// Prepare the IP to be compressed
		$ip = self::uncompress($ip);
		$ip_parts = self::split_v6_v4($ip);

// Replace all leading zeros
		$ip_parts[0] = preg_replace('/(^|:)0+([0-9])/', '\1\2', $ip_parts[0]);

// Find bunches of zeros
		if (preg_match_all('/(?:^|:)(?:0(?::|$))+/', $ip_parts[0], $matches, PREG_OFFSET_CAPTURE)) {
			$max = 0;
			$pos = null;
			foreach ($matches[0] as $match) {
				if (strlen($match[0]) > $max) {
					$max = strlen($match[0]);
					$pos = $match[1];
				}
			}

$ip_parts[0] = substr_replace($ip_parts[0], '::', $pos, $max);
		}

if ($ip_parts[1] !== '') {
			return implode(':', $ip_parts);
		}
		else {
			return $ip_parts[0];
		}
	}

/**
	 * Splits an IPv6 address into the IPv6 and IPv4 representation parts
	 *
	 * RFC 4291 allows you to represent the last two parts of an IPv6 address
	 * using the standard IPv4 representation
	 *
	 * Example:  0:0:0:0:0:0:13.1.68.3
	 *           0:0:0:0:0:FFFF:129.144.52.38
	 *
	 * @param string $ip An IPv6 address
	 * @return string[] [0] contains the IPv6 represented part, and [1] the IPv4 represented part
	 */
	protected static function split_v6_v4($ip) {
		if (strpos($ip, '.') !== false) {
			$pos = strrpos($ip, ':');
			$ipv6_part = substr($ip, 0, $pos);
			$ipv4_part = substr($ip, $pos + 1);
			return array($ipv6_part, $ipv4_part);
		}
		else {
			return array($ip, '');
		}
	}

/**
	 * Checks an IPv6 address
	 *
	 * Checks if the given IP is a valid IPv6 address
	 *
	 * @param string $ip An IPv6 address
	 * @return bool true if $ip is a valid IPv6 address
	 */
	public static function check_ipv6($ip) {
		$ip = self::uncompress($ip);
		list($ipv6, $ipv4) = self::split_v6_v4($ip);
		$ipv6 = explode(':', $ipv6);
		$ipv4 = explode('.', $ipv4);
		if (count($ipv6) === 8 && count($ipv4) === 1 || count($ipv6) === 6 && count($ipv4) === 4) {
			foreach ($ipv6 as $ipv6_part) {
				// The section can't be empty
				if ($ipv6_part === '') {
					return false;
				}

// Nor can it be over four characters
				if (strlen($ipv6_part) > 4) {
					return false;
				}

// Remove leading zeros (this is safe because of the above)
				$ipv6_part = ltrim($ipv6_part, '0');
				if ($ipv6_part === '') {
					$ipv6_part = '0';
				}

// Check the value is valid
				$value = hexdec($ipv6_part);
				if (dechex($value) !== strtolower($ipv6_part) || $value < 0 || $value > 0xFFFF) {
					return false;
				}
			}
			if (count($ipv4) === 4) {
				foreach ($ipv4 as $ipv4_part) {
					$value = (int) $ipv4_part;
					if ((string) $value !== $ipv4_part || $value < 0 || $value > 0xFF) {
						return false;
					}
				}
			}
			return true;
		}
		else {
			return false;
		}
	}
}
<?php
/**
 * Basic Authentication provider
 *
 * @package Requests
 * @subpackage Authentication
 */

/**
 * Basic Authentication provider
 *
 * Provides a handler for Basic HTTP authentication via the Authorization
 * header.
 *
 * @package Requests
 * @subpackage Authentication
 */
class Requests_Auth_Basic implements Requests_Auth {
	/**
	 * Username
	 *
	 * @var string
	 */
	public $user;

/**
	 * Password
	 *
	 * @var string
	 */
	public $pass;

/**
	 * Constructor
	 *
	 * @throws Requests_Exception On incorrect number of arguments (`authbasicbadargs`)
	 * @param array|null $args Array of user and password. Must have exactly two elements
	 */
	public function __construct($args = null) {
		if (is_array($args)) {
			if (count($args) !== 2) {
				throw new Requests_Exception('Invalid number of arguments', 'authbasicbadargs');
			}

list($this->user, $this->pass) = $args;
		}
	}

/**
	 * Register the necessary callbacks
	 *
	 * @see curl_before_send
	 * @see fsockopen_header
	 * @param Requests_Hooks $hooks Hook system
	 */
	public function register(Requests_Hooks &$hooks) {
		$hooks->register('curl.before_send', array(&$this, 'curl_before_send'));
		$hooks->register('fsockopen.after_headers', array(&$this, 'fsockopen_header'));
	}

/**
	 * Set cURL parameters before the data is sent
	 *
	 * @param resource $handle cURL resource
	 */
	public function curl_before_send(&$handle) {
		curl_setopt($handle, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
		curl_setopt($handle, CURLOPT_USERPWD, $this->getAuthString());
	}

/**
	 * Add extra headers to the request before sending
	 *
	 * @param string $out HTTP header string
	 */
	public function fsockopen_header(&$out) {
		$out .= sprintf("Authorization: Basic %s\r\n", base64_encode($this->getAuthString()));
	}

/**
	 * Get the authentication string (user:pass)
	 *
	 * @return string
	 */
	public function getAuthString() {
		return $this->user . ':' . $this->pass;
	}
}<?php
/**
 * Cookie holder object
 *
 * @package Requests
 * @subpackage Cookies
 */

/**
 * Cookie holder object
 *
 * @package Requests
 * @subpackage Cookies
 */
class Requests_Cookie_Jar implements ArrayAccess, IteratorAggregate {
	/**
	 * Actual item data
	 *
	 * @var array
	 */
	protected $cookies = array();

/**
	 * Create a new jar
	 *
	 * @param array $cookies Existing cookie values
	 */
	public function __construct($cookies = array()) {
		$this->cookies = $cookies;
	}

/**
	 * Normalise cookie data into a Requests_Cookie
	 *
	 * @param string|Requests_Cookie $cookie
	 * @return Requests_Cookie
	 */
	public function normalize_cookie($cookie, $key = null) {
		if ($cookie instanceof Requests_Cookie) {
			return $cookie;
		}

return Requests_Cookie::parse($cookie, $key);
	}

/**
	 * Normalise cookie data into a Requests_Cookie
	 *
	 * @codeCoverageIgnore
	 * @deprecated Use {@see Requests_Cookie_Jar::normalize_cookie}
	 * @return Requests_Cookie
	 */
	public function normalizeCookie($cookie, $key = null) {
		return $this->normalize_cookie($cookie, $key);
	}

/**
	 * Check if the given item exists
	 *
	 * @param string $key Item key
	 * @return boolean Does the item exist?
	 */
	public function offsetExists($key) {
		return isset($this->cookies[$key]);
	}

/**
	 * Get the value for the item
	 *
	 * @param string $key Item key
	 * @return string Item value
	 */
	public function offsetGet($key) {
		if (!isset($this->cookies[$key])) {
			return null;
		}

return $this->cookies[$key];
	}

/**
	 * Set the given item
	 *
	 * @throws Requests_Exception On attempting to use dictionary as list (`invalidset`)
	 *
	 * @param string $key Item name
	 * @param string $value Item value
	 */
	public function offsetSet($key, $value) {
		if ($key === null) {
			throw new Requests_Exception('Object is a dictionary, not a list', 'invalidset');
		}

$this->cookies[$key] = $value;
	}

/**
	 * Unset the given header
	 *
	 * @param string $key
	 */
	public function offsetUnset($key) {
		unset($this->cookies[$key]);
	}

/**
	 * Get an iterator for the data
	 *
	 * @return ArrayIterator
	 */
	public function getIterator() {
		return new ArrayIterator($this->cookies);
	}

/**
	 * Register the cookie handler with the request's hooking system
	 *
	 * @param Requests_Hooker $hooks Hooking system
	 */
	public function register(Requests_Hooker $hooks) {
		$hooks->register('requests.before_request', array($this, 'before_request'));
		$hooks->register('requests.before_redirect_check', array($this, 'before_redirect_check'));
	}

/**
	 * Add Cookie header to a request if we have any
	 *
	 * As per RFC 6265, cookies are separated by '; '
	 *
	 * @param string $url
	 * @param array $headers
	 * @param array $data
	 * @param string $type
	 * @param array $options
	 */
	public function before_request($url, &$headers, &$data, &$type, &$options) {
		if (!$url instanceof Requests_IRI) {
			$url = new Requests_IRI($url);
		}

if (!empty($this->cookies)) {
			$cookies = array();
			foreach ($this->cookies as $key => $cookie) {
				$cookie = $this->normalize_cookie($cookie, $key);

// Skip expired cookies
				if ($cookie->is_expired()) {
					continue;
				}

if ($cookie->domain_matches($url->host)) {
					$cookies[] = $cookie->format_for_header();
				}
			}

$headers['Cookie'] = implode('; ', $cookies);
		}
	}

/**
	 * Parse all cookies from a response and attach them to the response
	 *
	 * @var Requests_Response $response
	 */
	public function before_redirect_check(Requests_Response &$return) {
		$url = $return->url;
		if (!$url instanceof Requests_IRI) {
			$url = new Requests_IRI($url);
		}

$cookies = Requests_Cookie::parse_from_headers($return->headers, $url);
		$this->cookies = array_merge($this->cookies, $cookies);
		$return->cookies = $this;
	}
}<?php
/**
 * fsockopen HTTP transport
 *
 * @package Requests
 * @subpackage Transport
 */

/**
 * fsockopen HTTP transport
 *
 * @package Requests
 * @subpackage Transport
 */
class Requests_Transport_fsockopen implements Requests_Transport {
	/**
	 * Second to microsecond conversion
	 *
	 * @var integer
	 */
	const SECOND_IN_MICROSECONDS = 1000000;

/**
	 * Raw HTTP data
	 *
	 * @var string
	 */
	public $headers = '';

/**
	 * Stream metadata
	 *
	 * @var array Associative array of properties, see {@see https://secure.php.net/stream_get_meta_data}
	 */
	public $info;

/**
	 * What's the maximum number of bytes we should keep?
	 *
	 * @var int|bool Byte count, or false if no limit.
	 */
	protected $max_bytes = false;

protected $connect_error = '';

/**
	 * Perform a request
	 *
	 * @throws Requests_Exception On failure to connect to socket (`fsockopenerror`)
	 * @throws Requests_Exception On socket timeout (`timeout`)
	 *
	 * @param string $url URL to request
	 * @param array $headers Associative array of request headers
	 * @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
	 * @param array $options Request options, see {@see Requests::response()} for documentation
	 * @return string Raw HTTP result
	 */
	public function request($url, $headers = array(), $data = array(), $options = array()) {
		$options['hooks']->dispatch('fsockopen.before_request');

$url_parts = parse_url($url);
		if (empty($url_parts)) {
			throw new Requests_Exception('Invalid URL.', 'invalidurl', $url);
		}
		$host = $url_parts['host'];
		$context = stream_context_create();
		$verifyname = false;
		$case_insensitive_headers = new Requests_Utility_CaseInsensitiveDictionary($headers);

// HTTPS support
		if (isset($url_parts['scheme']) && strtolower($url_parts['scheme']) === 'https') {
			$remote_socket = 'ssl://' . $host;
			if (!isset($url_parts['port'])) {
				$url_parts['port'] = 443;
			}

$context_options = array(
				'verify_peer' => true,
				// 'CN_match' => $host,
				'capture_peer_cert' => true
			);
			$verifyname = true;

// SNI, if enabled (OpenSSL >=0.9.8j)
			if (defined('OPENSSL_TLSEXT_SERVER_NAME') && OPENSSL_TLSEXT_SERVER_NAME) {
				$context_options['SNI_enabled'] = true;
				if (isset($options['verifyname']) && $options['verifyname'] === false) {
					$context_options['SNI_enabled'] = false;
				}
			}

if (isset($options['verify'])) {
				if ($options['verify'] === false) {
					$context_options['verify_peer'] = false;
				}
				elseif (is_string($options['verify'])) {
					$context_options['cafile'] = $options['verify'];
				}
			}

if (isset($options['verifyname']) && $options['verifyname'] === false) {
				$context_options['verify_peer_name'] = false;
				$verifyname = false;
			}

stream_context_set_option($context, array('ssl' => $context_options));
		}
		else {
			$remote_socket = 'tcp://' . $host;
		}

$this->max_bytes = $options['max_bytes'];

if (!isset($url_parts['port'])) {
			$url_parts['port'] = 80;
		}
		$remote_socket .= ':' . $url_parts['port'];

set_error_handler(array($this, 'connect_error_handler'), E_WARNING | E_NOTICE);

$options['hooks']->dispatch('fsockopen.remote_socket', array(&$remote_socket));

$socket = stream_socket_client($remote_socket, $errno, $errstr, ceil($options['connect_timeout']), STREAM_CLIENT_CONNECT, $context);

restore_error_handler();

if ($verifyname && !$this->verify_certificate_from_context($host, $context)) {
			throw new Requests_Exception('SSL certificate did not match the requested domain name', 'ssl.no_match');
		}

if (!$socket) {
			if ($errno === 0) {
				// Connection issue
				throw new Requests_Exception(rtrim($this->connect_error), 'fsockopen.connect_error');
			}

throw new Requests_Exception($errstr, 'fsockopenerror', null, $errno);
		}

$data_format = $options['data_format'];

if ($data_format === 'query') {
			$path = self::format_get($url_parts, $data);
			$data = '';
		}
		else {
			$path = self::format_get($url_parts, array());
		}

$options['hooks']->dispatch('fsockopen.remote_host_path', array(&$path, $url));

$request_body = '';
		$out = sprintf("%s %s HTTP/%.1f\r\n", $options['type'], $path, $options['protocol_version']);

if ($options['type'] !== Requests::TRACE) {
			if (is_array($data)) {
				$request_body = http_build_query($data, null, '&');
			}
			else {
				$request_body = $data;
			}

if (!empty($data)) {
				if (!isset($case_insensitive_headers['Content-Length'])) {
					$headers['Content-Length'] = strlen($request_body);
				}

if (!isset($case_insensitive_headers['Content-Type'])) {
					$headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8';
				}
			}
		}

if (!isset($case_insensitive_headers['Host'])) {
			$out .= sprintf('Host: %s', $url_parts['host']);

if (( 'http' === strtolower($url_parts['scheme']) && $url_parts['port'] !== 80 ) || ( 'https' === strtolower($url_parts['scheme']) && $url_parts['port'] !== 443 )) {
				$out .= ':' . $url_parts['port'];
			}
			$out .= "\r\n";
		}

if (!isset($case_insensitive_headers['User-Agent'])) {
			$out .= sprintf("User-Agent: %s\r\n", $options['useragent']);
		}

$accept_encoding = $this->accept_encoding();
		if (!isset($case_insensitive_headers['Accept-Encoding']) && !empty($accept_encoding)) {
			$out .= sprintf("Accept-Encoding: %s\r\n", $accept_encoding);
		}

$headers = Requests::flatten($headers);

if (!empty($headers)) {
			$out .= implode($headers, "\r\n") . "\r\n";
		}

$options['hooks']->dispatch('fsockopen.after_headers', array(&$out));

if (substr($out, -2) !== "\r\n") {
			$out .= "\r\n";
		}

if (!isset($case_insensitive_headers['Connection'])) {
			$out .= "Connection: Close\r\n";
		}

$out .= "\r\n" . $request_body;

$options['hooks']->dispatch('fsockopen.before_send', array(&$out));

fwrite($socket, $out);
		$options['hooks']->dispatch('fsockopen.after_send', array($out));

if (!$options['blocking']) {
			fclose($socket);
			$fake_headers = '';
			$options['hooks']->dispatch('fsockopen.after_request', array(&$fake_headers));
			return '';
		}

$timeout_sec = (int) floor($options['timeout']);
		if ($timeout_sec == $options['timeout']) {
			$timeout_msec = 0;
		}
		else {
			$timeout_msec = self::SECOND_IN_MICROSECONDS * $options['timeout'] % self::SECOND_IN_MICROSECONDS;
		}
		stream_set_timeout($socket, $timeout_sec, $timeout_msec);

$response = $body = $headers = '';
		$this->info = stream_get_meta_data($socket);
		$size = 0;
		$doingbody = false;
		$download = false;
		if ($options['filename']) {
			$download = fopen($options['filename'], 'wb');
		}

while (!feof($socket)) {
			$this->info = stream_get_meta_data($socket);
			if ($this->info['timed_out']) {
				throw new Requests_Exception('fsocket timed out', 'timeout');
			}

$block = fread($socket, Requests::BUFFER_SIZE);
			if (!$doingbody) {
				$response .= $block;
				if (strpos($response, "\r\n\r\n")) {
					list($headers, $block) = explode("\r\n\r\n", $response, 2);
					$doingbody = true;
				}
			}

// Are we in body mode now?
			if ($doingbody) {
				$options['hooks']->dispatch('request.progress', array($block, $size, $this->max_bytes));
				$data_length = strlen($block);
				if ($this->max_bytes) {
					// Have we already hit a limit?
					if ($size === $this->max_bytes) {
						continue;
					}
					if (($size + $data_length) > $this->max_bytes) {
						// Limit the length
						$limited_length = ($this->max_bytes - $size);
						$block = substr($block, 0, $limited_length);
					}
				}

$size += strlen($block);
				if ($download) {
					fwrite($download, $block);
				}
				else {
					$body .= $block;
				}
			}
		}
		$this->headers = $headers;

if ($download) {
			fclose($download);
		}
		else {
			$this->headers .= "\r\n\r\n" . $body;
		}
		fclose($socket);

$options['hooks']->dispatch('fsockopen.after_request', array(&$this->headers, &$this->info));
		return $this->headers;
	}

/**
	 * Send multiple requests simultaneously
	 *
	 * @param array $requests Request data (array of 'url', 'headers', 'data', 'options') as per {@see Requests_Transport::request}
	 * @param array $options Global options, see {@see Requests::response()} for documentation
	 * @return array Array of Requests_Response objects (may contain Requests_Exception or string responses as well)
	 */
	public function request_multiple($requests, $options) {
		$responses = array();
		$class = get_class($this);
		foreach ($requests as $id => $request) {
			try {
				$handler = new $class();
				$responses[$id] = $handler->request($request['url'], $request['headers'], $request['data'], $request['options']);

$request['options']['hooks']->dispatch('transport.internal.parse_response', array(&$responses[$id], $request));
			}
			catch (Requests_Exception $e) {
				$responses[$id] = $e;
			}

if (!is_string($responses[$id])) {
				$request['options']['hooks']->dispatch('multiple.request.complete', array(&$responses[$id], $id));
			}
		}

return $responses;
	}

/**
	 * Retrieve the encodings we can accept
	 *
	 * @return string Accept-Encoding header value
	 */
	protected static function accept_encoding() {
		$type = array();
		if (function_exists('gzinflate')) {
			$type[] = 'deflate;q=1.0';
		}

if (function_exists('gzuncompress')) {
			$type[] = 'compress;q=0.5';
		}

$type[] = 'gzip;q=0.5';

return implode(', ', $type);
	}

/**
	 * Format a URL given GET data
	 *
	 * @param array $url_parts
	 * @param array|object $data Data to build query using, see {@see https://secure.php.net/http_build_query}
	 * @return string URL with data
	 */
	protected static function format_get($url_parts, $data) {
		if (!empty($data)) {
			if (empty($url_parts['query'])) {
				$url_parts['query'] = '';
			}

$url_parts['query'] .= '&' . http_build_query($data, null, '&');
			$url_parts['query'] = trim($url_parts['query'], '&');
		}
		if (isset($url_parts['path'])) {
			if (isset($url_parts['query'])) {
				$get = $url_parts['path'] . '?' . $url_parts['query'];
			}
			else {
				$get = $url_parts['path'];
			}
		}
		else {
			$get = '/';
		}
		return $get;
	}

/**
	 * Error handler for stream_socket_client()
	 *
	 * @param int $errno Error number (e.g. E_WARNING)
	 * @param string $errstr Error message
	 */
	public function connect_error_handler($errno, $errstr) {
		// Double-check we can handle it
		if (($errno & E_WARNING) === 0 && ($errno & E_NOTICE) === 0) {
			// Return false to indicate the default error handler should engage
			return false;
		}

$this->connect_error .= $errstr . "\n";
		return true;
	}

/**
	 * Verify the certificate against common name and subject alternative names
	 *
	 * Unfortunately, PHP doesn't check the certificate against the alternative
	 * names, leading things like 'https://www.github.com/' to be invalid.
	 * Instead
	 *
	 * @see https://tools.ietf.org/html/rfc2818#section-3.1 RFC2818, Section 3.1
	 *
	 * @throws Requests_Exception On failure to connect via TLS (`fsockopen.ssl.connect_error`)
	 * @throws Requests_Exception On not obtaining a match for the host (`fsockopen.ssl.no_match`)
	 * @param string $host Host name to verify against
	 * @param resource $context Stream context
	 * @return bool
	 */
	public function verify_certificate_from_context($host, $context) {
		$meta = stream_context_get_options($context);

// If we don't have SSL options, then we couldn't make the connection at
		// all
		if (empty($meta) || empty($meta['ssl']) || empty($meta['ssl']['peer_certificate'])) {
			throw new Requests_Exception(rtrim($this->connect_error), 'ssl.connect_error');
		}

$cert = openssl_x509_parse($meta['ssl']['peer_certificate']);

return Requests_SSL::verify_certificate($host, $cert);
	}

/**
	 * Whether this transport is valid
	 *
	 * @codeCoverageIgnore
	 * @return boolean True if the transport is valid, false otherwise.
	 */
	public static function test($capabilities = array()) {
		if (!function_exists('fsockopen')) {
			return false;
		}

// If needed, check that streams support SSL
		if (isset($capabilities['ssl']) && $capabilities['ssl']) {
			if (!extension_loaded('openssl') || !function_exists('openssl_x509_parse')) {
				return false;
			}

// Currently broken, thanks to https://github.com/facebook/hhvm/issues/2156
			if (defined('HHVM_VERSION')) {
				return false;
			}
		}

return true;
	}
}
<?php
/**
 * cURL HTTP transport
 *
 * @package Requests
 * @subpackage Transport
 */

/**
 * cURL HTTP transport
 *
 * @package Requests
 * @subpackage Transport
 */
class Requests_Transport_cURL implements Requests_Transport {
	const CURL_7_10_5 = 0x070A05;
	const CURL_7_16_2 = 0x071002;

/**
	 * Raw HTTP data
	 *
	 * @var string
	 */
	public $headers = '';

/**
	 * Raw body data
	 *
	 * @var string
	 */
	public $response_data = '';

/**
	 * Information on the current request
	 *
	 * @var array cURL information array, see {@see https://secure.php.net/curl_getinfo}
	 */
	public $info;

/**
	 * Version string
	 *
	 * @var long
	 */
	public $version;

/**
	 * cURL handle
	 *
	 * @var resource
	 */
	protected $handle;

/**
	 * Hook dispatcher instance
	 *
	 * @var Requests_Hooks
	 */
	protected $hooks;

/**
	 * Have we finished the headers yet?
	 *
	 * @var boolean
	 */
	protected $done_headers = false;

/**
	 * If streaming to a file, keep the file pointer
	 *
	 * @var resource
	 */
	protected $stream_handle;

/**
	 * How many bytes are in the response body?
	 *
	 * @var int
	 */
	protected $response_bytes;

/**
	 * What's the maximum number of bytes we should keep?
	 *
	 * @var int|bool Byte count, or false if no limit.
	 */
	protected $response_byte_limit;

/**
	 * Constructor
	 */
	public function __construct() {
		$curl = curl_version();
		$this->version = $curl['version_number'];
		$this->handle = curl_init();

curl_setopt($this->handle, CURLOPT_HEADER, false);
		curl_setopt($this->handle, CURLOPT_RETURNTRANSFER, 1);
		if ($this->version >= self::CURL_7_10_5) {
			curl_setopt($this->handle, CURLOPT_ENCODING, '');
		}
		if (defined('CURLOPT_PROTOCOLS')) {
			curl_setopt($this->handle, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
		}
		if (defined('CURLOPT_REDIR_PROTOCOLS')) {
			curl_setopt($this->handle, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
		}
	}

/**
	 * Destructor
	 */
	public function __destruct() {
		if (is_resource($this->handle)) {
			curl_close($this->handle);
		}
	}

/**
	 * Perform a request
	 *
	 * @throws Requests_Exception On a cURL error (`curlerror`)
	 *
	 * @param string $url URL to request
	 * @param array $headers Associative array of request headers
	 * @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
	 * @param array $options Request options, see {@see Requests::response()} for documentation
	 * @return string Raw HTTP result
	 */
	public function request($url, $headers = array(), $data = array(), $options = array()) {
		$this->hooks = $options['hooks'];

$this->setup_handle($url, $headers, $data, $options);

$options['hooks']->dispatch('curl.before_send', array(&$this->handle));

if ($options['filename'] !== false) {
			$this->stream_handle = fopen($options['filename'], 'wb');
		}

$this->response_data = '';
		$this->response_bytes = 0;
		$this->response_byte_limit = false;
		if ($options['max_bytes'] !== false) {
			$this->response_byte_limit = $options['max_bytes'];
		}

if (isset($options['verify'])) {
			if ($options['verify'] === false) {
				curl_setopt($this->handle, CURLOPT_SSL_VERIFYHOST, 0);
				curl_setopt($this->handle, CURLOPT_SSL_VERIFYPEER, 0);
			}
			elseif (is_string($options['verify'])) {
				curl_setopt($this->handle, CURLOPT_CAINFO, $options['verify']);
			}
		}

if (isset($options['verifyname']) && $options['verifyname'] === false) {
			curl_setopt($this->handle, CURLOPT_SSL_VERIFYHOST, 0);
		}

curl_exec($this->handle);
		$response = $this->response_data;

$options['hooks']->dispatch('curl.after_send', array());

if (curl_errno($this->handle) === 23 || curl_errno($this->handle) === 61) {
			// Reset encoding and try again
			curl_setopt($this->handle, CURLOPT_ENCODING, 'none');

$this->response_data = '';
			$this->response_bytes = 0;
			curl_exec($this->handle);
			$response = $this->response_data;
		}

$this->process_response($response, $options);

// Need to remove the $this reference from the curl handle.
		// Otherwise Requests_Transport_cURL wont be garbage collected and the curl_close() will never be called.
		curl_setopt($this->handle, CURLOPT_HEADERFUNCTION, null);
		curl_setopt($this->handle, CURLOPT_WRITEFUNCTION, null);

return $this->headers;
	}

/**
	 * Send multiple requests simultaneously
	 *
	 * @param array $requests Request data
	 * @param array $options Global options
	 * @return array Array of Requests_Response objects (may contain Requests_Exception or string responses as well)
	 */
	public function request_multiple($requests, $options) {
		// If you're not requesting, we can't get any responses Â¯\_(ãƒ„)_/Â¯
		if (empty($requests)) {
			return array();
		}

$multihandle = curl_multi_init();
		$subrequests = array();
		$subhandles = array();

$class = get_class($this);
		foreach ($requests as $id => $request) {
			$subrequests[$id] = new $class();
			$subhandles[$id] = $subrequests[$id]->get_subrequest_handle($request['url'], $request['headers'], $request['data'], $request['options']);
			$request['options']['hooks']->dispatch('curl.before_multi_add', array(&$subhandles[$id]));
			curl_multi_add_handle($multihandle, $subhandles[$id]);
		}

$completed = 0;
		$responses = array();

$request['options']['hooks']->dispatch('curl.before_multi_exec', array(&$multihandle));

do {
			$active = false;

do {
				$status = curl_multi_exec($multihandle, $active);
			}
			while ($status === CURLM_CALL_MULTI_PERFORM);

$to_process = array();

// Read the information as needed
			while ($done = curl_multi_info_read($multihandle)) {
				$key = array_search($done['handle'], $subhandles, true);
				if (!isset($to_process[$key])) {
					$to_process[$key] = $done;
				}
			}

// Parse the finished requests before we start getting the new ones
			foreach ($to_process as $key => $done) {
				$options = $requests[$key]['options'];
				if (CURLE_OK !== $done['result']) {
					//get error string for handle.
					$reason = curl_error($done['handle']);
					$exception = new Requests_Exception_Transport_cURL(
									$reason,
									Requests_Exception_Transport_cURL::EASY,
									$done['handle'],
									$done['result']
								);
					$responses[$key] = $exception;
					$options['hooks']->dispatch('transport.internal.parse_error', array(&$responses[$key], $requests[$key]));
				}
				else {
					$responses[$key] = $subrequests[$key]->process_response($subrequests[$key]->response_data, $options);

$options['hooks']->dispatch('transport.internal.parse_response', array(&$responses[$key], $requests[$key]));
				}

curl_multi_remove_handle($multihandle, $done['handle']);
				curl_close($done['handle']);

if (!is_string($responses[$key])) {
					$options['hooks']->dispatch('multiple.request.complete', array(&$responses[$key], $key));
				}
				$completed++;
			}
		}
		while ($active || $completed < count($subrequests));

$request['options']['hooks']->dispatch('curl.after_multi_exec', array(&$multihandle));

curl_multi_close($multihandle);

return $responses;
	}

/**
	 * Get the cURL handle for use in a multi-request
	 *
	 * @param string $url URL to request
	 * @param array $headers Associative array of request headers
	 * @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
	 * @param array $options Request options, see {@see Requests::response()} for documentation
	 * @return resource Subrequest's cURL handle
	 */
	public function &get_subrequest_handle($url, $headers, $data, $options) {
		$this->setup_handle($url, $headers, $data, $options);

if ($options['filename'] !== false) {
			$this->stream_handle = fopen($options['filename'], 'wb');
		}

$this->response_data = '';
		$this->response_bytes = 0;
		$this->response_byte_limit = false;
		if ($options['max_bytes'] !== false) {
			$this->response_byte_limit = $options['max_bytes'];
		}
		$this->hooks = $options['hooks'];

return $this->handle;
	}

/**
	 * Setup the cURL handle for the given data
	 *
	 * @param string $url URL to request
	 * @param array $headers Associative array of request headers
	 * @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
	 * @param array $options Request options, see {@see Requests::response()} for documentation
	 */
	protected function setup_handle($url, $headers, $data, $options) {
		$options['hooks']->dispatch('curl.before_request', array(&$this->handle));

// Force closing the connection for old versions of cURL (<7.22).
		if ( ! isset( $headers['Connection'] ) ) {
			$headers['Connection'] = 'close';
		}

$headers = Requests::flatten($headers);

if (!empty($data)) {
			$data_format = $options['data_format'];

if ($data_format === 'query') {
				$url = self::format_get($url, $data);
				$data = '';
			}
			elseif (!is_string($data)) {
				$data = http_build_query($data, null, '&');
			}
		}

switch ($options['type']) {
			case Requests::POST:
				curl_setopt($this->handle, CURLOPT_POST, true);
				curl_setopt($this->handle, CURLOPT_POSTFIELDS, $data);
				break;
			case Requests::HEAD:
				curl_setopt($this->handle, CURLOPT_CUSTOMREQUEST, $options['type']);
				curl_setopt($this->handle, CURLOPT_NOBODY, true);
				break;
			case Requests::TRACE:
				curl_setopt($this->handle, CURLOPT_CUSTOMREQUEST, $options['type']);
				break;
			case Requests::PATCH:
			case Requests::PUT:
			case Requests::DELETE:
			case Requests::OPTIONS:
			default:
				curl_setopt($this->handle, CURLOPT_CUSTOMREQUEST, $options['type']);
				if (!empty($data)) {
					curl_setopt($this->handle, CURLOPT_POSTFIELDS, $data);
				}
		}

// cURL requires a minimum timeout of 1 second when using the system
		// DNS resolver, as it uses `alarm()`, which is second resolution only.
		// There's no way to detect which DNS resolver is being used from our
		// end, so we need to round up regardless of the supplied timeout.
		//
		// https://github.com/curl/curl/blob/4f45240bc84a9aa648c8f7243be7b79e9f9323a5/lib/hostip.c#L606-L609
		$timeout = max($options['timeout'], 1);

if (is_int($timeout) || $this->version < self::CURL_7_16_2) {
			curl_setopt($this->handle, CURLOPT_TIMEOUT, ceil($timeout));
		}
		else {
			curl_setopt($this->handle, CURLOPT_TIMEOUT_MS, round($timeout * 1000));
		}

if (is_int($options['connect_timeout']) || $this->version < self::CURL_7_16_2) {
			curl_setopt($this->handle, CURLOPT_CONNECTTIMEOUT, ceil($options['connect_timeout']));
		}
		else {
			curl_setopt($this->handle, CURLOPT_CONNECTTIMEOUT_MS, round($options['connect_timeout'] * 1000));
		}
		curl_setopt($this->handle, CURLOPT_URL, $url);
		curl_setopt($this->handle, CURLOPT_REFERER, $url);
		curl_setopt($this->handle, CURLOPT_USERAGENT, $options['useragent']);
		if (!empty($headers)) {
			curl_setopt($this->handle, CURLOPT_HTTPHEADER, $headers);
		}
		if ($options['protocol_version'] === 1.1) {
			curl_setopt($this->handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
		}
		else {
			curl_setopt($this->handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
		}

if (true === $options['blocking']) {
			curl_setopt($this->handle, CURLOPT_HEADERFUNCTION, array(&$this, 'stream_headers'));
			curl_setopt($this->handle, CURLOPT_WRITEFUNCTION, array(&$this, 'stream_body'));
			curl_setopt($this->handle, CURLOPT_BUFFERSIZE, Requests::BUFFER_SIZE);
		}
	}

/**
	 * Process a response
	 *
	 * @param string $response Response data from the body
	 * @param array $options Request options
	 * @return string HTTP response data including headers
	 */
	public function process_response($response, $options) {
		if ($options['blocking'] === false) {
			$fake_headers = '';
			$options['hooks']->dispatch('curl.after_request', array(&$fake_headers));
			return false;
		}
		if ($options['filename'] !== false) {
			fclose($this->stream_handle);
			$this->headers = trim($this->headers);
		}
		else {
			$this->headers .= $response;
		}

if (curl_errno($this->handle)) {
			$error = sprintf(
				'cURL error %s: %s',
				curl_errno($this->handle),
				curl_error($this->handle)
			);
			throw new Requests_Exception($error, 'curlerror', $this->handle);
		}
		$this->info = curl_getinfo($this->handle);

$options['hooks']->dispatch('curl.after_request', array(&$this->headers, &$this->info));
		return $this->headers;
	}

/**
	 * Collect the headers as they are received
	 *
	 * @param resource $handle cURL resource
	 * @param string $headers Header string
	 * @return integer Length of provided header
	 */
	public function stream_headers($handle, $headers) {
		// Why do we do this? cURL will send both the final response and any
		// interim responses, such as a 100 Continue. We don't need that.
		// (We may want to keep this somewhere just in case)
		if ($this->done_headers) {
			$this->headers = '';
			$this->done_headers = false;
		}
		$this->headers .= $headers;

if ($headers === "\r\n") {
			$this->done_headers = true;
		}
		return strlen($headers);
	}

/**
	 * Collect data as it's received
	 *
	 * @since 1.6.1
	 *
	 * @param resource $handle cURL resource
	 * @param string $data Body data
	 * @return integer Length of provided data
	 */
	public function stream_body($handle, $data) {
		$this->hooks->dispatch('request.progress', array($data, $this->response_bytes, $this->response_byte_limit));
		$data_length = strlen($data);

// Are we limiting the response size?
		if ($this->response_byte_limit) {
			if ($this->response_bytes === $this->response_byte_limit) {
				// Already at maximum, move on
				return $data_length;
			}

if (($this->response_bytes + $data_length) > $this->response_byte_limit) {
				// Limit the length
				$limited_length = ($this->response_byte_limit - $this->response_bytes);
				$data = substr($data, 0, $limited_length);
			}
		}

if ($this->stream_handle) {
			fwrite($this->stream_handle, $data);
		}
		else {
			$this->response_data .= $data;
		}

$this->response_bytes += strlen($data);
		return $data_length;
	}

/**
	 * Format a URL given GET data
	 *
	 * @param string $url
	 * @param array|object $data Data to build query using, see {@see https://secure.php.net/http_build_query}
	 * @return string URL with data
	 */
	protected static function format_get($url, $data) {
		if (!empty($data)) {
			$url_parts = parse_url($url);
			if (empty($url_parts['query'])) {
				$query = $url_parts['query'] = '';
			}
			else {
				$query = $url_parts['query'];
			}

$query .= '&' . http_build_query($data, null, '&');
			$query = trim($query, '&');

if (empty($url_parts['query'])) {
				$url .= '?' . $query;
			}
			else {
				$url = str_replace($url_parts['query'], $query, $url);
			}
		}
		return $url;
	}

// If needed, check that our installed curl version supports SSL
		if (isset($capabilities['ssl']) && $capabilities['ssl']) {
			$curl_version = curl_version();
			if (!(CURL_VERSION_SSL & $curl_version['features'])) {
				return false;
			}
		}

return true;
	}
}
<?php
/**
 * Handles adding and dispatching events
 *
 * @package Requests
 * @subpackage Utilities
 */

/**
 * Handles adding and dispatching events
 *
 * @package Requests
 * @subpackage Utilities
 */
class Requests_Hooks implements Requests_Hooker {
	/**
	 * Registered callbacks for each hook
	 *
	 * @var array
	 */
	protected $hooks = array();

/**
	 * Constructor
	 */
	public function __construct() {
		// pass
	}

/**
	 * Register a callback for a hook
	 *
	 * @param string $hook Hook name
	 * @param callback $callback Function/method to call on event
	 * @param int $priority Priority number. <0 is executed earlier, >0 is executed later
	 */
	public function register($hook, $callback, $priority = 0) {
		if (!isset($this->hooks[$hook])) {
			$this->hooks[$hook] = array();
		}
		if (!isset($this->hooks[$hook][$priority])) {
			$this->hooks[$hook][$priority] = array();
		}

$this->hooks[$hook][$priority][] = $callback;
	}

/**
	 * Dispatch a message
	 *
	 * @param string $hook Hook name
	 * @param array $parameters Parameters to pass to callbacks
	 * @return boolean Successfulness
	 */
	public function dispatch($hook, $parameters = array()) {
		if (empty($this->hooks[$hook])) {
			return false;
		}

foreach ($this->hooks[$hook] as $priority => $hooked) {
			foreach ($hooked as $callback) {
				call_user_func_array($callback, $parameters);
			}
		}

return true;
	}
}<?php
/**
 * IRI parser/serialiser/normaliser
 *
 * @package Requests
 * @subpackage Utilities
 */

/**
 * IRI parser/serialiser/normaliser
 *
 * Copyright (c) 2007-2010, Geoffrey Sneddon and Steve Minutillo.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright notice,
 *       this list of conditions and the following disclaimer.
 *
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *       this list of conditions and the following disclaimer in the documentation
 *       and/or other materials provided with the distribution.
 *
 *  * Neither the name of the SimplePie Team nor the names of its contributors
 *       may be used to endorse or promote products derived from this software
 *       without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package Requests
 * @subpackage Utilities
 * @author Geoffrey Sneddon
 * @author Steve Minutillo
 * @copyright 2007-2009 Geoffrey Sneddon and Steve Minutillo
 * @license http://www.opensource.org/licenses/bsd-license.php
 * @link http://hg.gsnedders.com/iri/
 *
 * @property string $iri IRI we're working with
 * @property-read string $uri IRI in URI form, {@see to_uri}
 * @property string $scheme Scheme part of the IRI
 * @property string $authority Authority part, formatted for a URI (userinfo + host + port)
 * @property string $iauthority Authority part of the IRI (userinfo + host + port)
 * @property string $userinfo Userinfo part, formatted for a URI (after '://' and before '@')
 * @property string $iuserinfo Userinfo part of the IRI (after '://' and before '@')
 * @property string $host Host part, formatted for a URI
 * @property string $ihost Host part of the IRI
 * @property string $port Port part of the IRI (after ':')
 * @property string $path Path part, formatted for a URI (after first '/')
 * @property string $ipath Path part of the IRI (after first '/')
 * @property string $query Query part, formatted for a URI (after '?')
 * @property string $iquery Query part of the IRI (after '?')
 * @property string $fragment Fragment, formatted for a URI (after '#')
 * @property string $ifragment Fragment part of the IRI (after '#')
 */
class Requests_IRI {
	/**
	 * Scheme
	 *
	 * @var string
	 */
	protected $scheme = null;

/**
	 * User Information
	 *
	 * @var string
	 */
	protected $iuserinfo = null;

/**
	 * ihost
	 *
	 * @var string
	 */
	protected $ihost = null;

/**
	 * Port
	 *
	 * @var string
	 */
	protected $port = null;

/**
	 * ipath
	 *
	 * @var string
	 */
	protected $ipath = '';

/**
	 * iquery
	 *
	 * @var string
	 */
	protected $iquery = null;

/**
	 * ifragment
	 *
	 * @var string
	 */
	protected $ifragment = null;

/**
	 * Normalization database
	 *
	 * Each key is the scheme, each value is an array with each key as the IRI
	 * part and value as the default value for that part.
	 */
	protected $normalization = array(
		'acap' => array(
			'port' => 674
		),
		'dict' => array(
			'port' => 2628
		),
		'file' => array(
			'ihost' => 'localhost'
		),
		'http' => array(
			'port' => 80,
		),
		'https' => array(
			'port' => 443,
		),
	);

/**
	 * Return the entire IRI when you try and read the object as a string
	 *
	 * @return string
	 */
	public function __toString() {
		return $this->get_iri();
	}

/**
	 * Overload __set() to provide access via properties
	 *
	 * @param string $name Property name
	 * @param mixed $value Property value
	 */
	public function __set($name, $value) {
		if (method_exists($this, 'set_' . $name)) {
			call_user_func(array($this, 'set_' . $name), $value);
		}
		elseif (
			   $name === 'iauthority'
			|| $name === 'iuserinfo'
			|| $name === 'ihost'
			|| $name === 'ipath'
			|| $name === 'iquery'
			|| $name === 'ifragment'
		) {
			call_user_func(array($this, 'set_' . substr($name, 1)), $value);
		}
	}

/**
	 * Overload __get() to provide access via properties
	 *
	 * @param string $name Property name
	 * @return mixed
	 */
	public function __get($name) {
		// isset() returns false for null, we don't want to do that
		// Also why we use array_key_exists below instead of isset()
		$props = get_object_vars($this);

if (
			$name === 'iri' ||
			$name === 'uri' ||
			$name === 'iauthority' ||
			$name === 'authority'
		) {
			$method = 'get_' . $name;
			$return = $this->$method();
		}
		elseif (array_key_exists($name, $props)) {
			$return = $this->$name;
		}
		// host -> ihost
		elseif (($prop = 'i' . $name) && array_key_exists($prop, $props)) {
			$name = $prop;
			$return = $this->$prop;
		}
		// ischeme -> scheme
		elseif (($prop = substr($name, 1)) && array_key_exists($prop, $props)) {
			$name = $prop;
			$return = $this->$prop;
		}
		else {
			trigger_error('Undefined property: ' . get_class($this) . '::' . $name, E_USER_NOTICE);
			$return = null;
		}

if ($return === null && isset($this->normalization[$this->scheme][$name])) {
			return $this->normalization[$this->scheme][$name];
		}
		else {
			return $return;
		}
	}

/**
	 * Overload __isset() to provide access via properties
	 *
	 * @param string $name Property name
	 * @return bool
	 */
	public function __isset($name) {
		return (method_exists($this, 'get_' . $name) || isset($this->$name));
	}

/**
	 * Overload __unset() to provide access via properties
	 *
	 * @param string $name Property name
	 */
	public function __unset($name) {
		if (method_exists($this, 'set_' . $name)) {
			call_user_func(array($this, 'set_' . $name), '');
		}
	}

/**
	 * Create a new IRI object, from a specified string
	 *
	 * @param string|null $iri
	 */
	public function __construct($iri = null) {
		$this->set_iri($iri);
	}

/**
	 * Create a new IRI object by resolving a relative IRI
	 *
	 * Returns false if $base is not absolute, otherwise an IRI.
	 *
	 * @param IRI|string $base (Absolute) Base IRI
	 * @param IRI|string $relative Relative IRI
	 * @return IRI|false
	 */
	public static function absolutize($base, $relative) {
		if (!($relative instanceof Requests_IRI)) {
			$relative = new Requests_IRI($relative);
		}
		if (!$relative->is_valid()) {
			return false;
		}
		elseif ($relative->scheme !== null) {
			return clone $relative;
		}

if (!($base instanceof Requests_IRI)) {
			$base = new Requests_IRI($base);
		}
		if ($base->scheme === null || !$base->is_valid()) {
			return false;
		}

if ($relative->get_iri() !== '') {
			if ($relative->iuserinfo !== null || $relative->ihost !== null || $relative->port !== null) {
				$target = clone $relative;
				$target->scheme = $base->scheme;
			}
			else {
				$target = new Requests_IRI;
				$target->scheme = $base->scheme;
				$target->iuserinfo = $base->iuserinfo;
				$target->ihost = $base->ihost;
				$target->port = $base->port;
				if ($relative->ipath !== '') {
					if ($relative->ipath[0] === '/') {
						$target->ipath = $relative->ipath;
					}
					elseif (($base->iuserinfo !== null || $base->ihost !== null || $base->port !== null) && $base->ipath === '') {
						$target->ipath = '/' . $relative->ipath;
					}
					elseif (($last_segment = strrpos($base->ipath, '/')) !== false) {
						$target->ipath = substr($base->ipath, 0, $last_segment + 1) . $relative->ipath;
					}
					else {
						$target->ipath = $relative->ipath;
					}
					$target->ipath = $target->remove_dot_segments($target->ipath);
					$target->iquery = $relative->iquery;
				}
				else {
					$target->ipath = $base->ipath;
					if ($relative->iquery !== null) {
						$target->iquery = $relative->iquery;
					}
					elseif ($base->iquery !== null) {
						$target->iquery = $base->iquery;
					}
				}
				$target->ifragment = $relative->ifragment;
			}
		}
		else {
			$target = clone $base;
			$target->ifragment = null;
		}
		$target->scheme_normalization();
		return $target;
	}

/**
	 * Parse an IRI into scheme/authority/path/query/fragment segments
	 *
	 * @param string $iri
	 * @return array
	 */
	protected function parse_iri($iri) {
		$iri = trim($iri, "\x20\x09\x0A\x0C\x0D");
		$has_match = preg_match('/^((?P<scheme>[^:\/?#]+):)?(\/\/(?P<authority>[^\/?#]*))?(?P<path>[^?#]*)(\?(?P<query>[^#]*))?(#(?P<fragment>.*))?$/', $iri, $match);
		if (!$has_match) {
			throw new Requests_Exception('Cannot parse supplied IRI', 'iri.cannot_parse', $iri);
		}

if ($match[1] === '') {
			$match['scheme'] = null;
		}
		if (!isset($match[3]) || $match[3] === '') {
			$match['authority'] = null;
		}
		if (!isset($match[5])) {
			$match['path'] = '';
		}
		if (!isset($match[6]) || $match[6] === '') {
			$match['query'] = null;
		}
		if (!isset($match[8]) || $match[8] === '') {
			$match['fragment'] = null;
		}
		return $match;
	}

/**
	 * Remove dot segments from a path
	 *
	 * @param string $input
	 * @return string
	 */
	protected function remove_dot_segments($input) {
		$output = '';
		while (strpos($input, './') !== false || strpos($input, '/.') !== false || $input === '.' || $input === '..') {
			// A: If the input buffer begins with a prefix of "../" or "./",
			// then remove that prefix from the input buffer; otherwise,
			if (strpos($input, '../') === 0) {
				$input = substr($input, 3);
			}
			elseif (strpos($input, './') === 0) {
				$input = substr($input, 2);
			}
			// B: if the input buffer begins with a prefix of "/./" or "/.",
			// where "." is a complete path segment, then replace that prefix
			// with "/" in the input buffer; otherwise,
			elseif (strpos($input, '/./') === 0) {
				$input = substr($input, 2);
			}
			elseif ($input === '/.') {
				$input = '/';
			}
			// C: if the input buffer begins with a prefix of "/../" or "/..",
			// where ".." is a complete path segment, then replace that prefix
			// with "/" in the input buffer and remove the last segment and its
			// preceding "/" (if any) from the output buffer; otherwise,
			elseif (strpos($input, '/../') === 0) {
				$input = substr($input, 3);
				$output = substr_replace($output, '', strrpos($output, '/'));
			}
			elseif ($input === '/..') {
				$input = '/';
				$output = substr_replace($output, '', strrpos($output, '/'));
			}
			// D: if the input buffer consists only of "." or "..", then remove
			// that from the input buffer; otherwise,
			elseif ($input === '.' || $input === '..') {
				$input = '';
			}
			// E: move the first path segment in the input buffer to the end of
			// the output buffer, including the initial "/" character (if any)
			// and any subsequent characters up to, but not including, the next
			// "/" character or the end of the input buffer
			elseif (($pos = strpos($input, '/', 1)) !== false) {
				$output .= substr($input, 0, $pos);
				$input = substr_replace($input, '', 0, $pos);
			}
			else {
				$output .= $input;
				$input = '';
			}
		}
		return $output . $input;
	}

/**
	 * Replace invalid character with percent encoding
	 *
	 * @param string $string Input string
	 * @param string $extra_chars Valid characters not in iunreserved or
	 *                            iprivate (this is ASCII-only)
	 * @param bool $iprivate Allow iprivate
	 * @return string
	 */
	protected function replace_invalid_with_pct_encoding($string, $extra_chars, $iprivate = false) {
		// Normalize as many pct-encoded sections as possible
		$string = preg_replace_callback('/(?:%[A-Fa-f0-9]{2})+/', array(&$this, 'remove_iunreserved_percent_encoded'), $string);

// Replace invalid percent characters
		$string = preg_replace('/%(?![A-Fa-f0-9]{2})/', '%25', $string);

// Add unreserved and % to $extra_chars (the latter is safe because all
		// pct-encoded sections are now valid).
		$extra_chars .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~%';

// Now replace any bytes that aren't allowed with their pct-encoded versions
		$position = 0;
		$strlen = strlen($string);
		while (($position += strspn($string, $extra_chars, $position)) < $strlen) {
			$value = ord($string[$position]);

// Start position
			$start = $position;

// By default we are valid
			$valid = true;

// No one byte sequences are valid due to the while.
			// Two byte sequence:
			if (($value & 0xE0) === 0xC0) {
				$character = ($value & 0x1F) << 6;
				$length = 2;
				$remaining = 1;
			}
			// Three byte sequence:
			elseif (($value & 0xF0) === 0xE0) {
				$character = ($value & 0x0F) << 12;
				$length = 3;
				$remaining = 2;
			}
			// Four byte sequence:
			elseif (($value & 0xF8) === 0xF0) {
				$character = ($value & 0x07) << 18;
				$length = 4;
				$remaining = 3;
			}
			// Invalid byte:
			else {
				$valid = false;
				$length = 1;
				$remaining = 0;
			}

if ($remaining) {
				if ($position + $length <= $strlen) {
					for ($position++; $remaining; $position++) {
						$value = ord($string[$position]);

// Check that the byte is valid, then add it to the character:
						if (($value & 0xC0) === 0x80) {
							$character |= ($value & 0x3F) << (--$remaining * 6);
						}
						// If it is invalid, count the sequence as invalid and reprocess the current byte:
						else {
							$valid = false;
							$position--;
							break;
						}
					}
				}
				else {
					$position = $strlen - 1;
					$valid = false;
				}
			}

// Percent encode anything invalid or not in ucschar
			if (
				// Invalid sequences
				!$valid
				// Non-shortest form sequences are invalid
				|| $length > 1 && $character <= 0x7F
				|| $length > 2 && $character <= 0x7FF
				|| $length > 3 && $character <= 0xFFFF
				// Outside of range of ucschar codepoints
				// Noncharacters
				|| ($character & 0xFFFE) === 0xFFFE
				|| $character >= 0xFDD0 && $character <= 0xFDEF
				|| (
					// Everything else not in ucschar
					   $character > 0xD7FF && $character < 0xF900
					|| $character < 0xA0
					|| $character > 0xEFFFD
				)
				&& (
					// Everything not in iprivate, if it applies
					   !$iprivate
					|| $character < 0xE000
					|| $character > 0x10FFFD
				)
			) {
				// If we were a character, pretend we weren't, but rather an error.
				if ($valid) {
					$position--;
				}

for ($j = $start; $j <= $position; $j++) {
					$string = substr_replace($string, sprintf('%%%02X', ord($string[$j])), $j, 1);
					$j += 2;
					$position += 2;
					$strlen += 2;
				}
			}
		}

return $string;
	}

/**
	 * Callback function for preg_replace_callback.
	 *
	 * Removes sequences of percent encoded bytes that represent UTF-8
	 * encoded characters in iunreserved
	 *
	 * @param array $match PCRE match
	 * @return string Replacement
	 */
	protected function remove_iunreserved_percent_encoded($match) {
		// As we just have valid percent encoded sequences we can just explode
		// and ignore the first member of the returned array (an empty string).
		$bytes = explode('%', $match[0]);

// Initialize the new string (this is what will be returned) and that
		// there are no bytes remaining in the current sequence (unsurprising
		// at the first byte!).
		$string = '';
		$remaining = 0;

// Loop over each and every byte, and set $value to its value
		for ($i = 1, $len = count($bytes); $i < $len; $i++) {
			$value = hexdec($bytes[$i]);

// If we're the first byte of sequence:
			if (!$remaining) {
				// Start position
				$start = $i;

// By default we are valid
				$valid = true;

// One byte sequence:
				if ($value <= 0x7F) {
					$character = $value;
					$length = 1;
				}
				// Two byte sequence:
				elseif (($value & 0xE0) === 0xC0) {
					$character = ($value & 0x1F) << 6;
					$length = 2;
					$remaining = 1;
				}
				// Three byte sequence:
				elseif (($value & 0xF0) === 0xE0) {
					$character = ($value & 0x0F) << 12;
					$length = 3;
					$remaining = 2;
				}
				// Four byte sequence:
				elseif (($value & 0xF8) === 0xF0) {
					$character = ($value & 0x07) << 18;
					$length = 4;
					$remaining = 3;
				}
				// Invalid byte:
				else {
					$valid = false;
					$remaining = 0;
				}
			}
			// Continuation byte:
			else {
				// Check that the byte is valid, then add it to the character:
				if (($value & 0xC0) === 0x80) {
					$remaining--;
					$character |= ($value & 0x3F) << ($remaining * 6);
				}
				// If it is invalid, count the sequence as invalid and reprocess the current byte as the start of a sequence:
				else {
					$valid = false;
					$remaining = 0;
					$i--;
				}
			}

// If we've reached the end of the current byte sequence, append it to Unicode::$data
			if (!$remaining) {
				// Percent encode anything invalid or not in iunreserved
				if (
					// Invalid sequences
					!$valid
					// Non-shortest form sequences are invalid
					|| $length > 1 && $character <= 0x7F
					|| $length > 2 && $character <= 0x7FF
					|| $length > 3 && $character <= 0xFFFF
					// Outside of range of iunreserved codepoints
					|| $character < 0x2D
					|| $character > 0xEFFFD
					// Noncharacters
					|| ($character & 0xFFFE) === 0xFFFE
					|| $character >= 0xFDD0 && $character <= 0xFDEF
					// Everything else not in iunreserved (this is all BMP)
					|| $character === 0x2F
					|| $character > 0x39 && $character < 0x41
					|| $character > 0x5A && $character < 0x61
					|| $character > 0x7A && $character < 0x7E
					|| $character > 0x7E && $character < 0xA0
					|| $character > 0xD7FF && $character < 0xF900
				) {
					for ($j = $start; $j <= $i; $j++) {
						$string .= '%' . strtoupper($bytes[$j]);
					}
				}
				else {
					for ($j = $start; $j <= $i; $j++) {
						$string .= chr(hexdec($bytes[$j]));
					}
				}
			}
		}

// If we have any bytes left over they are invalid (i.e., we are
		// mid-way through a multi-byte sequence)
		if ($remaining) {
			for ($j = $start; $j < $len; $j++) {
				$string .= '%' . strtoupper($bytes[$j]);
			}
		}

return $string;
	}

protected function scheme_normalization() {
		if (isset($this->normalization[$this->scheme]['iuserinfo']) && $this->iuserinfo === $this->normalization[$this->scheme]['iuserinfo']) {
			$this->iuserinfo = null;
		}
		if (isset($this->normalization[$this->scheme]['ihost']) && $this->ihost === $this->normalization[$this->scheme]['ihost']) {
			$this->ihost = null;
		}
		if (isset($this->normalization[$this->scheme]['port']) && $this->port === $this->normalization[$this->scheme]['port']) {
			$this->port = null;
		}
		if (isset($this->normalization[$this->scheme]['ipath']) && $this->ipath === $this->normalization[$this->scheme]['ipath']) {
			$this->ipath = '';
		}
		if (isset($this->ihost) && empty($this->ipath)) {
			$this->ipath = '/';
		}
		if (isset($this->normalization[$this->scheme]['iquery']) && $this->iquery === $this->normalization[$this->scheme]['iquery']) {
			$this->iquery = null;
		}
		if (isset($this->normalization[$this->scheme]['ifragment']) && $this->ifragment === $this->normalization[$this->scheme]['ifragment']) {
			$this->ifragment = null;
		}
	}

/**
	 * Check if the object represents a valid IRI. This needs to be done on each
	 * call as some things change depending on another part of the IRI.
	 *
	 * @return bool
	 */
	public function is_valid() {
		$isauthority = $this->iuserinfo !== null || $this->ihost !== null || $this->port !== null;
		if ($this->ipath !== '' &&
			(
				$isauthority && $this->ipath[0] !== '/' ||
				(
					$this->scheme === null &&
					!$isauthority &&
					strpos($this->ipath, ':') !== false &&
					(strpos($this->ipath, '/') === false ? true : strpos($this->ipath, ':') < strpos($this->ipath, '/'))
				)
			)
		) {
			return false;
		}

return true;
	}

/**
	 * Set the entire IRI. Returns true on success, false on failure (if there
	 * are any invalid characters).
	 *
	 * @param string $iri
	 * @return bool
	 */
	protected function set_iri($iri) {
		static $cache;
		if (!$cache) {
			$cache = array();
		}

if ($iri === null) {
			return true;
		}
		if (isset($cache[$iri])) {
			list($this->scheme,
				 $this->iuserinfo,
				 $this->ihost,
				 $this->port,
				 $this->ipath,
				 $this->iquery,
				 $this->ifragment,
				 $return) = $cache[$iri];
			return $return;
		}

$parsed = $this->parse_iri((string) $iri);

$return = $this->set_scheme($parsed['scheme'])
			&& $this->set_authority($parsed['authority'])
			&& $this->set_path($parsed['path'])
			&& $this->set_query($parsed['query'])
			&& $this->set_fragment($parsed['fragment']);

$cache[$iri] = array($this->scheme,
							 $this->iuserinfo,
							 $this->ihost,
							 $this->port,
							 $this->ipath,
							 $this->iquery,
							 $this->ifragment,
							 $return);
		return $return;
	}

/**
	 * Set the scheme. Returns true on success, false on failure (if there are
	 * any invalid characters).
	 *
	 * @param string $scheme
	 * @return bool
	 */
	protected function set_scheme($scheme) {
		if ($scheme === null) {
			$this->scheme = null;
		}
		elseif (!preg_match('/^[A-Za-z][0-9A-Za-z+\-.]*$/', $scheme)) {
			$this->scheme = null;
			return false;
		}
		else {
			$this->scheme = strtolower($scheme);
		}
		return true;
	}

/**
	 * Set the authority. Returns true on success, false on failure (if there are
	 * any invalid characters).
	 *
	 * @param string $authority
	 * @return bool
	 */
	protected function set_authority($authority) {
		static $cache;
		if (!$cache) {
			$cache = array();
		}

if ($authority === null) {
			$this->iuserinfo = null;
			$this->ihost = null;
			$this->port = null;
			return true;
		}
		if (isset($cache[$authority])) {
			list($this->iuserinfo,
				 $this->ihost,
				 $this->port,
				 $return) = $cache[$authority];

return $return;
		}

$remaining = $authority;
		if (($iuserinfo_end = strrpos($remaining, '@')) !== false) {
			$iuserinfo = substr($remaining, 0, $iuserinfo_end);
			$remaining = substr($remaining, $iuserinfo_end + 1);
		}
		else {
			$iuserinfo = null;
		}
		if (($port_start = strpos($remaining, ':', strpos($remaining, ']'))) !== false) {
			$port = substr($remaining, $port_start + 1);
			if ($port === false || $port === '') {
				$port = null;
			}
			$remaining = substr($remaining, 0, $port_start);
		}
		else {
			$port = null;
		}

$return = $this->set_userinfo($iuserinfo) &&
				  $this->set_host($remaining) &&
				  $this->set_port($port);

$cache[$authority] = array($this->iuserinfo,
								   $this->ihost,
								   $this->port,
								   $return);

return $return;
	}

/**
	 * Set the iuserinfo.
	 *
	 * @param string $iuserinfo
	 * @return bool
	 */
	protected function set_userinfo($iuserinfo) {
		if ($iuserinfo === null) {
			$this->iuserinfo = null;
		}
		else {
			$this->iuserinfo = $this->replace_invalid_with_pct_encoding($iuserinfo, '!$&\'()*+,;=:');
			$this->scheme_normalization();
		}

return true;
	}

/**
	 * Set the ihost. Returns true on success, false on failure (if there are
	 * any invalid characters).
	 *
	 * @param string $ihost
	 * @return bool
	 */
	protected function set_host($ihost) {
		if ($ihost === null) {
			$this->ihost = null;
			return true;
		}
		if (substr($ihost, 0, 1) === '[' && substr($ihost, -1) === ']') {
			if (Requests_IPv6::check_ipv6(substr($ihost, 1, -1))) {
				$this->ihost = '[' . Requests_IPv6::compress(substr($ihost, 1, -1)) . ']';
			}
			else {
				$this->ihost = null;
				return false;
			}
		}
		else {
			$ihost = $this->replace_invalid_with_pct_encoding($ihost, '!$&\'()*+,;=');

// Lowercase, but ignore pct-encoded sections (as they should
			// remain uppercase). This must be done after the previous step
			// as that can add unescaped characters.
			$position = 0;
			$strlen = strlen($ihost);
			while (($position += strcspn($ihost, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ%', $position)) < $strlen) {
				if ($ihost[$position] === '%') {
					$position += 3;
				}
				else {
					$ihost[$position] = strtolower($ihost[$position]);
					$position++;
				}
			}

$this->ihost = $ihost;
		}

$this->scheme_normalization();

return true;
	}

/**
	 * Set the port. Returns true on success, false on failure (if there are
	 * any invalid characters).
	 *
	 * @param string $port
	 * @return bool
	 */
	protected function set_port($port) {
		if ($port === null) {
			$this->port = null;
			return true;
		}

if (strspn($port, '0123456789') === strlen($port)) {
			$this->port = (int) $port;
			$this->scheme_normalization();
			return true;
		}

$this->port = null;
		return false;
	}

/**
	 * Set the ipath.
	 *
	 * @param string $ipath
	 * @return bool
	 */
	protected function set_path($ipath) {
		static $cache;
		if (!$cache) {
			$cache = array();
		}

$ipath = (string) $ipath;

if (isset($cache[$ipath])) {
			$this->ipath = $cache[$ipath][(int) ($this->scheme !== null)];
		}
		else {
			$valid = $this->replace_invalid_with_pct_encoding($ipath, '!$&\'()*+,;=@:/');
			$removed = $this->remove_dot_segments($valid);

$cache[$ipath] = array($valid, $removed);
			$this->ipath = ($this->scheme !== null) ? $removed : $valid;
		}
		$this->scheme_normalization();
		return true;
	}

/**
	 * Set the iquery.
	 *
	 * @param string $iquery
	 * @return bool
	 */
	protected function set_query($iquery) {
		if ($iquery === null) {
			$this->iquery = null;
		}
		else {
			$this->iquery = $this->replace_invalid_with_pct_encoding($iquery, '!$&\'()*+,;=:@/?', true);
			$this->scheme_normalization();
		}
		return true;
	}

/**
	 * Set the ifragment.
	 *
	 * @param string $ifragment
	 * @return bool
	 */
	protected function set_fragment($ifragment) {
		if ($ifragment === null) {
			$this->ifragment = null;
		}
		else {
			$this->ifragment = $this->replace_invalid_with_pct_encoding($ifragment, '!$&\'()*+,;=:@/?');
			$this->scheme_normalization();
		}
		return true;
	}

/**
	 * Convert an IRI to a URI (or parts thereof)
	 *
	 * @param string|bool IRI to convert (or false from {@see get_iri})
	 * @return string|false URI if IRI is valid, false otherwise.
	 */
	protected function to_uri($string) {
		if (!is_string($string)) {
			return false;
		}

static $non_ascii;
		if (!$non_ascii) {
			$non_ascii = implode('', range("\x80", "\xFF"));
		}

$position = 0;
		$strlen = strlen($string);
		while (($position += strcspn($string, $non_ascii, $position)) < $strlen) {
			$string = substr_replace($string, sprintf('%%%02X', ord($string[$position])), $position, 1);
			$position += 3;
			$strlen += 2;
		}

return $string;
	}

/**
	 * Get the complete IRI
	 *
	 * @return string
	 */
	protected function get_iri() {
		if (!$this->is_valid()) {
			return false;
		}

$iri = '';
		if ($this->scheme !== null) {
			$iri .= $this->scheme . ':';
		}
		if (($iauthority = $this->get_iauthority()) !== null) {
			$iri .= '//' . $iauthority;
		}
		$iri .= $this->ipath;
		if ($this->iquery !== null) {
			$iri .= '?' . $this->iquery;
		}
		if ($this->ifragment !== null) {
			$iri .= '#' . $this->ifragment;
		}

return $iri;
	}

/**
	 * Get the complete URI
	 *
	 * @return string
	 */
	protected function get_uri() {
		return $this->to_uri($this->get_iri());
	}

/**
	 * Get the complete iauthority
	 *
	 * @return string
	 */
	protected function get_iauthority() {
		if ($this->iuserinfo === null && $this->ihost === null && $this->port === null) {
			return null;
		}

$iauthority = '';
		if ($this->iuserinfo !== null) {
			$iauthority .= $this->iuserinfo . '@';
		}
		if ($this->ihost !== null) {
			$iauthority .= $this->ihost;
		}
		if ($this->port !== null) {
			$iauthority .= ':' . $this->port;
		}
		return $iauthority;
	}

/**
	 * Get the complete authority
	 *
	 * @return string
	 */
	protected function get_authority() {
		$iauthority = $this->get_iauthority();
		if (is_string($iauthority)) {
			return $this->to_uri($iauthority);
		}
		else {
			return $iauthority;
		}
	}
}
<?php
/**
 * Proxy connection interface
 *
 * @package Requests
 * @subpackage Proxy
 * @since 1.6
 */

/**
 * Proxy connection interface
 *
 * Implement this interface to handle proxy settings and authentication
 *
 * Parameters should be passed via the constructor where possible, as this
 * makes it much easier for users to use your provider.
 *
 * @see Requests_Hooks
 * @package Requests
 * @subpackage Proxy
 * @since 1.6
 */
interface Requests_Proxy {
	/**
	 * Register hooks as needed
	 *
	 * This method is called in {@see Requests::request} when the user has set
	 * an instance as the 'auth' option. Use this callback to register all the
	 * hooks you'll need.
	 *
	 * @see Requests_Hooks::register
	 * @param Requests_Hooks $hooks Hook system
	 */
	public function register(Requests_Hooks &$hooks);
}<?php
/**
 * Case-insensitive dictionary, suitable for HTTP headers
 *
 * @package Requests
 */

/**
 * Case-insensitive dictionary, suitable for HTTP headers
 *
 * @package Requests
 */
class Requests_Response_Headers extends Requests_Utility_CaseInsensitiveDictionary {
	/**
	 * Get the given header
	 *
	 * Unlike {@see self::getValues()}, this returns a string. If there are
	 * multiple values, it concatenates them with a comma as per RFC2616.
	 *
	 * Avoid using this where commas may be used unquoted in values, such as
	 * Set-Cookie headers.
	 *
	 * @param string $key
	 * @return string Header value
	 */
	public function offsetGet($key) {
		$key = strtolower($key);
		if (!isset($this->data[$key])) {
			return null;
		}

return $this->flatten($this->data[$key]);
	}

$key = strtolower($key);

if (!isset($this->data[$key])) {
			$this->data[$key] = array();
		}

$this->data[$key][] = $value;
	}

/**
	 * Get all values for a given header
	 *
	 * @param string $key
	 * @return array Header values
	 */
	public function getValues($key) {
		$key = strtolower($key);
		if (!isset($this->data[$key])) {
			return null;
		}

return $this->data[$key];
	}

/**
	 * Flattens a value into a string
	 *
	 * Converts an array into a string by imploding values with a comma, as per
	 * RFC2616's rules for folding headers.
	 *
	 * @param string|array $value Value to flatten
	 * @return string Flattened value
	 */
	public function flatten($value) {
		if (is_array($value)) {
			$value = implode(',', $value);
		}

return $value;
	}

/**
	 * Get an iterator for the data
	 *
	 * Converts the internal
	 * @return ArrayIterator
	 */
	public function getIterator() {
		return new Requests_Utility_FilteredIterator($this->data, array($this, 'flatten'));
	}
}
<?php
/**
 * HTTP Proxy connection interface
 *
 * @package Requests
 * @subpackage Proxy
 * @since 1.6
 */

/**
 * HTTP Proxy connection interface
 *
 * Provides a handler for connection via an HTTP proxy
 *
 * @package Requests
 * @subpackage Proxy
 * @since 1.6
 */
class Requests_Proxy_HTTP implements Requests_Proxy {
	/**
	 * Proxy host and port
	 *
	 * Notation: "host:port" (eg 127.0.0.1:8080 or someproxy.com:3128)
	 *
	 * @var string
	 */
	public $proxy;

/**
	 * Username
	 *
	 * @var string
	 */
	public $user;

/**
	 * Password
	 *
	 * @var string
	 */
	public $pass;

/**
	 * Do we need to authenticate? (ie username & password have been provided)
	 *
	 * @var boolean
	 */
	public $use_authentication;

/**
	 * Constructor
	 *
	 * @since 1.6
	 * @throws Requests_Exception On incorrect number of arguments (`authbasicbadargs`)
	 * @param array|null $args Array of user and password. Must have exactly two elements
	 */
	public function __construct($args = null) {
		if (is_string($args)) {
			$this->proxy = $args;
		}
		elseif (is_array($args)) {
			if (count($args) == 1) {
				list($this->proxy) = $args;
			}
			elseif (count($args) == 3) {
				list($this->proxy, $this->user, $this->pass) = $args;
				$this->use_authentication = true;
			}
			else {
				throw new Requests_Exception('Invalid number of arguments', 'proxyhttpbadargs');
			}
		}
	}

/**
	 * Register the necessary callbacks
	 *
	 * @since 1.6
	 * @see curl_before_send
	 * @see fsockopen_remote_socket
	 * @see fsockopen_remote_host_path
	 * @see fsockopen_header
	 * @param Requests_Hooks $hooks Hook system
	 */
	public function register(Requests_Hooks &$hooks) {
		$hooks->register('curl.before_send', array(&$this, 'curl_before_send'));

$hooks->register('fsockopen.remote_socket', array(&$this, 'fsockopen_remote_socket'));
		$hooks->register('fsockopen.remote_host_path', array(&$this, 'fsockopen_remote_host_path'));
		if ($this->use_authentication) {
			$hooks->register('fsockopen.after_headers', array(&$this, 'fsockopen_header'));
		}
	}

/**
	 * Set cURL parameters before the data is sent
	 *
	 * @since 1.6
	 * @param resource $handle cURL resource
	 */
	public function curl_before_send(&$handle) {
		curl_setopt($handle, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
		curl_setopt($handle, CURLOPT_PROXY, $this->proxy);

if ($this->use_authentication) {
			curl_setopt($handle, CURLOPT_PROXYAUTH, CURLAUTH_ANY);
			curl_setopt($handle, CURLOPT_PROXYUSERPWD, $this->get_auth_string());
		}
	}

/**
	 * Alter remote socket information before opening socket connection
	 *
	 * @since 1.6
	 * @param string $remote_socket Socket connection string
	 */
	public function fsockopen_remote_socket(&$remote_socket) {
		$remote_socket = $this->proxy;
	}

/**
	 * Alter remote path before getting stream data
	 *
	 * @since 1.6
	 * @param string $path Path to send in HTTP request string ("GET ...")
	 * @param string $url Full URL we're requesting
	 */
	public function fsockopen_remote_host_path(&$path, $url) {
		$path = $url;
	}

/**
	 * Add extra headers to the request before sending
	 *
	 * @since 1.6
	 * @param string $out HTTP header string
	 */
	public function fsockopen_header(&$out) {
		$out .= sprintf("Proxy-Authorization: Basic %s\r\n", base64_encode($this->get_auth_string()));
	}

/**
	 * Get the authentication string (user:pass)
	 *
	 * @since 1.6
	 * @return string
	 */
	public function get_auth_string() {
		return $this->user . ':' . $this->pass;
	}
}<?php
/**
 * Session handler for persistent requests and default parameters
 *
 * @package Requests
 * @subpackage Session Handler
 */

/**
 * Session handler for persistent requests and default parameters
 *
 * Allows various options to be set as default values, and merges both the
 * options and URL properties together. A base URL can be set for all requests,
 * with all subrequests resolved from this. Base options can be set (including
 * a shared cookie jar), then overridden for individual requests.
 *
 * @package Requests
 * @subpackage Session Handler
 */
class Requests_Session {
	/**
	 * Base URL for requests
	 *
	 * URLs will be made absolute using this as the base
	 * @var string|null
	 */
	public $url = null;

/**
	 * Base headers for requests
	 * @var array
	 */
	public $headers = array();

/**
	 * Base data for requests
	 *
	 * If both the base data and the per-request data are arrays, the data will
	 * be merged before sending the request.
	 *
	 * @var array
	 */
	public $data = array();

/**
	 * Base options for requests
	 *
	 * The base options are merged with the per-request data for each request.
	 * The only default option is a shared cookie jar between requests.
	 *
	 * Values here can also be set directly via properties on the Session
	 * object, e.g. `$session->useragent = 'X';`
	 *
	 * @var array
	 */
	public $options = array();

/**
	 * Create a new session
	 *
	 * @param string|null $url Base URL for requests
	 * @param array $headers Default headers for requests
	 * @param array $data Default data for requests
	 * @param array $options Default options for requests
	 */
	public function __construct($url = null, $headers = array(), $data = array(), $options = array()) {
		$this->url = $url;
		$this->headers = $headers;
		$this->data = $data;
		$this->options = $options;

if (empty($this->options['cookies'])) {
			$this->options['cookies'] = new Requests_Cookie_Jar();
		}
	}

/**
	 * Get a property's value
	 *
	 * @param string $key Property key
	 * @return mixed|null Property value, null if none found
	 */
	public function __get($key) {
		if (isset($this->options[$key])) {
			return $this->options[$key];
		}

return null;
	}

/**
	 * Set a property's value
	 *
	 * @param string $key Property key
	 * @param mixed $value Property value
	 */
	public function __set($key, $value) {
		$this->options[$key] = $value;
	}

/**
	 * Remove a property's value
	 *
	 * @param string $key Property key
	 */
	public function __isset($key) {
		return isset($this->options[$key]);
	}

/**
	 * Remove a property's value
	 *
	 * @param string $key Property key
	 */
	public function __unset($key) {
		if (isset($this->options[$key])) {
			unset($this->options[$key]);
		}
	}

/**#@+
	 * @see request()
	 * @param string $url
	 * @param array $headers
	 * @param array $options
	 * @return Requests_Response
	 */
	/**
	 * Send a GET request
	 */
	public function get($url, $headers = array(), $options = array()) {
		return $this->request($url, $headers, null, Requests::GET, $options);
	}

/**
	 * Send a HEAD request
	 */
	public function head($url, $headers = array(), $options = array()) {
		return $this->request($url, $headers, null, Requests::HEAD, $options);
	}

/**
	 * Send a DELETE request
	 */
	public function delete($url, $headers = array(), $options = array()) {
		return $this->request($url, $headers, null, Requests::DELETE, $options);
	}
	/**#@-*/

/**#@+
	 * @see request()
	 * @param string $url
	 * @param array $headers
	 * @param array $data
	 * @param array $options
	 * @return Requests_Response
	 */
	/**
	 * Send a POST request
	 */
	public function post($url, $headers = array(), $data = array(), $options = array()) {
		return $this->request($url, $headers, $data, Requests::POST, $options);
	}

/**
	 * Send a PUT request
	 */
	public function put($url, $headers = array(), $data = array(), $options = array()) {
		return $this->request($url, $headers, $data, Requests::PUT, $options);
	}

/**
	 * Send a PATCH request
	 *
	 * Note: Unlike {@see post} and {@see put}, `$headers` is required, as the
	 * specification recommends that should send an ETag
	 *
	 * @link https://tools.ietf.org/html/rfc5789
	 */
	public function patch($url, $headers, $data = array(), $options = array()) {
		return $this->request($url, $headers, $data, Requests::PATCH, $options);
	}
	/**#@-*/

/**
	 * Main interface for HTTP requests
	 *
	 * This method initiates a request and sends it via a transport before
	 * parsing.
	 *
	 * @see Requests::request()
	 *
	 * @throws Requests_Exception On invalid URLs (`nonhttp`)
	 *
	 * @param string $url URL to request
	 * @param array $headers Extra headers to send with the request
	 * @param array|null $data Data to send either as a query string for GET/HEAD requests, or in the body for POST requests
	 * @param string $type HTTP request type (use Requests constants)
	 * @param array $options Options for the request (see {@see Requests::request})
	 * @return Requests_Response
	 */
	public function request($url, $headers = array(), $data = array(), $type = Requests::GET, $options = array()) {
		$request = $this->merge_request(compact('url', 'headers', 'data', 'options'));

return Requests::request($request['url'], $request['headers'], $request['data'], $type, $request['options']);
	}

/**
	 * Send multiple HTTP requests simultaneously
	 *
	 * @see Requests::request_multiple()
	 *
	 * @param array $requests Requests data (see {@see Requests::request_multiple})
	 * @param array $options Global and default options (see {@see Requests::request})
	 * @return array Responses (either Requests_Response or a Requests_Exception object)
	 */
	public function request_multiple($requests, $options = array()) {
		foreach ($requests as $key => $request) {
			$requests[$key] = $this->merge_request($request, false);
		}

$options = array_merge($this->options, $options);

// Disallow forcing the type, as that's a per request setting
		unset($options['type']);

return Requests::request_multiple($requests, $options);
	}

/**
	 * Merge a request's data with the default data
	 *
	 * @param array $request Request data (same form as {@see request_multiple})
	 * @param boolean $merge_options Should we merge options as well?
	 * @return array Request data
	 */
	protected function merge_request($request, $merge_options = true) {
		if ($this->url !== null) {
			$request['url'] = Requests_IRI::absolutize($this->url, $request['url']);
			$request['url'] = $request['url']->uri;
		}

if (empty($request['headers'])) {
			$request['headers'] = array();
		}
		$request['headers'] = array_merge($this->headers, $request['headers']);

if (empty($request['data'])) {
			if (is_array($this->data)) {
				$request['data'] = $this->data;
			}
		}
		elseif (is_array($request['data']) && is_array($this->data)) {
			$request['data'] = array_merge($this->data, $request['data']);
		}

if ($merge_options !== false) {
			$request['options'] = array_merge($this->options, $request['options']);

// Disallow forcing the type, as that's a per request setting
			unset($request['options']['type']);
		}

return $request;
	}
}
<?php
/**
 * SSL utilities for Requests
 *
 * @package Requests
 * @subpackage Utilities
 */

/**
 * SSL utilities for Requests
 *
 * Collection of utilities for working with and verifying SSL certificates.
 *
 * @package Requests
 * @subpackage Utilities
 */
class Requests_SSL {
	/**
	 * Verify the certificate against common name and subject alternative names
	 *
	 * Unfortunately, PHP doesn't check the certificate against the alternative
	 * names, leading things like 'https://www.github.com/' to be invalid.
	 * Instead
	 *
	 * @see https://tools.ietf.org/html/rfc2818#section-3.1 RFC2818, Section 3.1
	 *
	 * @throws Requests_Exception On not obtaining a match for the host (`fsockopen.ssl.no_match`)
	 * @param string $host Host name to verify against
	 * @param array $cert Certificate data from openssl_x509_parse()
	 * @return bool
	 */
	public static function verify_certificate($host, $cert) {
		// Calculate the valid wildcard match if the host is not an IP address
		$parts = explode('.', $host);
		if (ip2long($host) === false) {
			$parts[0] = '*';
		}
		$wildcard = implode('.', $parts);

$has_dns_alt = false;

// Check the subjectAltName
		if (!empty($cert['extensions']) && !empty($cert['extensions']['subjectAltName'])) {
			$altnames = explode(',', $cert['extensions']['subjectAltName']);
			foreach ($altnames as $altname) {
				$altname = trim($altname);
				if (strpos($altname, 'DNS:') !== 0) {
					continue;
				}

$has_dns_alt = true;

// Strip the 'DNS:' prefix and trim whitespace
				$altname = trim(substr($altname, 4));

// Check for a match
				if (self::match_domain($host, $altname) === true) {
					return true;
				}
			}
		}

// Fall back to checking the common name if we didn't get any dNSName
		// alt names, as per RFC2818
		if (!$has_dns_alt && !empty($cert['subject']['CN'])) {
			// Check for a match
			if (self::match_domain($host, $cert['subject']['CN']) === true) {
				return true;
			}
		}

return false;
	}

/**
	 * Verify that a reference name is valid
	 *
	 * Verifies a dNSName for HTTPS usage, (almost) as per Firefox's rules:
	 * - Wildcards can only occur in a name with more than 3 components
	 * - Wildcards can only occur as the last character in the first
	 *   component
	 * - Wildcards may be preceded by additional characters
	 *
	 * We modify these rules to be a bit stricter and only allow the wildcard
	 * character to be the full first component; that is, with the exclusion of
	 * the third rule.
	 *
	 * @param string $reference Reference dNSName
	 * @return boolean Is the name valid?
	 */
	public static function verify_reference_name($reference) {
		$parts = explode('.', $reference);

// Check the first part of the name
		$first = array_shift($parts);

if (strpos($first, '*') !== false) {
			// Check that the wildcard is the full part
			if ($first !== '*') {
				return false;
			}

// Check that we have at least 3 components (including first)
			if (count($parts) < 2) {
				return false;
			}
		}

// Check the remaining parts
		foreach ($parts as $part) {
			if (strpos($part, '*') !== false) {
				return false;
			}
		}

// Nothing found, verified!
		return true;
	}

/**
	 * Match a hostname against a dNSName reference
	 *
	 * @param string $host Requested host
	 * @param string $reference dNSName to match against
	 * @return boolean Does the domain match?
	 */
	public static function match_domain($host, $reference) {
		// Check if the reference is blacklisted first
		if (self::verify_reference_name($reference) !== true) {
			return false;
		}

// Check for a direct match
		if ($host === $reference) {
			return true;
		}

// Calculate the valid wildcard match if the host is not an IP address
		// Also validates that the host has 3 parts or more, as per Firefox's
		// ruleset.
		if (ip2long($host) === false) {
			$parts = explode('.', $host);
			$parts[0] = '*';
			$wildcard = implode('.', $parts);
			if ($wildcard === $reference) {
				return true;
			}
		}

return false;
	}
}<?php
/**
 * Base HTTP transport
 *
 * @package Requests
 * @subpackage Transport
 */

/**
 * Base HTTP transport
 *
 * @package Requests
 * @subpackage Transport
 */
interface Requests_Transport {
	/**
	 * Perform a request
	 *
	 * @param string $url URL to request
	 * @param array $headers Associative array of request headers
	 * @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
	 * @param array $options Request options, see {@see Requests::response()} for documentation
	 * @return string Raw HTTP result
	 */
	public function request($url, $headers = array(), $data = array(), $options = array());

/**
	 * Self-test whether the transport can be used
	 * @return bool
	 */
	public static function test();
}<?php
/**
 * Event dispatcher
 *
 * @package Requests
 * @subpackage Utilities
 */

/**
 * Event dispatcher
 *
 * @package Requests
 * @subpackage Utilities
 */
interface Requests_Hooker {
	/**
	 * Register a callback for a hook
	 *
	 * @param string $hook Hook name
	 * @param callback $callback Function/method to call on event
	 * @param int $priority Priority number. <0 is executed earlier, >0 is executed later
	 */
	public function register($hook, $callback, $priority = 0);

/**
	 * Dispatch a message
	 *
	 * @param string $hook Hook name
	 * @param array $parameters Parameters to pass to callbacks
	 * @return boolean Successfulness
	 */
	public function dispatch($hook, $parameters = array());
}<?php
/**
 * Authentication provider interface
 *
 * @package Requests
 * @subpackage Authentication
 */

/**
 * Authentication provider interface
 *
 * Implement this interface to act as an authentication provider.
 *
 * Parameters should be passed via the constructor where possible, as this
 * makes it much easier for users to use your provider.
 *
 * @see Requests_Hooks
 * @package Requests
 * @subpackage Authentication
 */
interface Requests_Auth {
	/**
	 * Register hooks as needed
	 *
	 * This method is called in {@see Requests::request} when the user has set
	 * an instance as the 'auth' option. Use this callback to register all the
	 * hooks you'll need.
	 *
	 * @see Requests_Hooks::register
	 * @param Requests_Hooks $hooks Hook system
	 */
	public function register(Requests_Hooks &$hooks);
}<?php
/**
 * Exception for HTTP requests
 *
 * @package Requests
 */

/**
 * Exception for HTTP requests
 *
 * @package Requests
 */
class Requests_Exception extends Exception {
	/**
	 * Type of exception
	 *
	 * @var string
	 */
	protected $type;

/**
	 * Data associated with the exception
	 *
	 * @var mixed
	 */
	protected $data;

/**
	 * Create a new exception
	 *
	 * @param string $message Exception message
	 * @param string $type Exception type
	 * @param mixed $data Associated data
	 * @param integer $code Exception numerical code, if applicable
	 */
	public function __construct($message, $type, $data = null, $code = 0) {
		parent::__construct($message, $code);

$this->type = $type;
		$this->data = $data;
	}

/**
	 * Like {@see getCode()}, but a string code.
	 *
	 * @codeCoverageIgnore
	 * @return string
	 */
	public function getType() {
		return $this->type;
	}

/**
	 * Gives any relevant data
	 *
	 * @codeCoverageIgnore
	 * @return mixed
	 */
	public function getData() {
		return $this->data;
	}
}<?php
/**
 * Cookie storage object
 *
 * @package Requests
 * @subpackage Cookies
 */

/**
 * Cookie storage object
 *
 * @package Requests
 * @subpackage Cookies
 */
class Requests_Cookie {
	/**
	 * Cookie name.
	 *
	 * @var string
	 */
	public $name;

/**
	 * Cookie value.
	 *
	 * @var string
	 */
	public $value;

/**
	 * Cookie attributes
	 *
	 * Valid keys are (currently) path, domain, expires, max-age, secure and
	 * httponly.
	 *
	 * @var Requests_Utility_CaseInsensitiveDictionary|array Array-like object
	 */
	public $attributes = array();

/**
	 * Cookie flags
	 *
	 * Valid keys are (currently) creation, last-access, persistent and
	 * host-only.
	 *
	 * @var array
	 */
	public $flags = array();

/**
	 * Reference time for relative calculations
	 *
	 * This is used in place of `time()` when calculating Max-Age expiration and
	 * checking time validity.
	 *
	 * @var int
	 */
	public $reference_time = 0;

/**
	 * Create a new cookie object
	 *
	 * @param string $name
	 * @param string $value
	 * @param array|Requests_Utility_CaseInsensitiveDictionary $attributes Associative array of attribute data
	 */
	public function __construct($name, $value, $attributes = array(), $flags = array(), $reference_time = null) {
		$this->name = $name;
		$this->value = $value;
		$this->attributes = $attributes;
		$default_flags = array(
			'creation' => time(),
			'last-access' => time(),
			'persistent' => false,
			'host-only' => true,
		);
		$this->flags = array_merge($default_flags, $flags);

$this->reference_time = time();
		if ($reference_time !== null) {
			$this->reference_time = $reference_time;
		}

$this->normalize();
	}

/**
	 * Check if a cookie is expired.
	 *
	 * Checks the age against $this->reference_time to determine if the cookie
	 * is expired.
	 *
	 * @return boolean True if expired, false if time is valid.
	 */
	public function is_expired() {
		// RFC6265, s. 4.1.2.2:
		// If a cookie has both the Max-Age and the Expires attribute, the Max-
		// Age attribute has precedence and controls the expiration date of the
		// cookie.
		if (isset($this->attributes['max-age'])) {
			$max_age = $this->attributes['max-age'];
			return $max_age < $this->reference_time;
		}

if (isset($this->attributes['expires'])) {
			$expires = $this->attributes['expires'];
			return $expires < $this->reference_time;
		}

return false;
	}

/**
	 * Check if a cookie is valid for a given URI
	 *
	 * @param Requests_IRI $uri URI to check
	 * @return boolean Whether the cookie is valid for the given URI
	 */
	public function uri_matches(Requests_IRI $uri) {
		if (!$this->domain_matches($uri->host)) {
			return false;
		}

if (!$this->path_matches($uri->path)) {
			return false;
		}

return empty($this->attributes['secure']) || $uri->scheme === 'https';
	}

/**
	 * Check if a cookie is valid for a given domain
	 *
	 * @param string $string Domain to check
	 * @return boolean Whether the cookie is valid for the given domain
	 */
	public function domain_matches($string) {
		if (!isset($this->attributes['domain'])) {
			// Cookies created manually; cookies created by Requests will set
			// the domain to the requested domain
			return true;
		}

$domain_string = $this->attributes['domain'];
		if ($domain_string === $string) {
			// The domain string and the string are identical.
			return true;
		}

// If the cookie is marked as host-only and we don't have an exact
		// match, reject the cookie
		if ($this->flags['host-only'] === true) {
			return false;
		}

if (strlen($string) <= strlen($domain_string)) {
			// For obvious reasons, the string cannot be a suffix if the domain
			// is shorter than the domain string
			return false;
		}

if (substr($string, -1 * strlen($domain_string)) !== $domain_string) {
			// The domain string should be a suffix of the string.
			return false;
		}

$prefix = substr($string, 0, strlen($string) - strlen($domain_string));
		if (substr($prefix, -1) !== '.') {
			// The last character of the string that is not included in the
			// domain string should be a %x2E (".") character.
			return false;
		}

// The string should be a host name (i.e., not an IP address).
		return !preg_match('#^(.+\.)\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$#', $string);
	}

/**
	 * Check if a cookie is valid for a given path
	 *
	 * From the path-match check in RFC 6265 section 5.1.4
	 *
	 * @param string $request_path Path to check
	 * @return boolean Whether the cookie is valid for the given path
	 */
	public function path_matches($request_path) {
		if (empty($request_path)) {
			// Normalize empty path to root
			$request_path = '/';
		}

if (!isset($this->attributes['path'])) {
			// Cookies created manually; cookies created by Requests will set
			// the path to the requested path
			return true;
		}

$cookie_path = $this->attributes['path'];

if ($cookie_path === $request_path) {
			// The cookie-path and the request-path are identical.
			return true;
		}

if (strlen($request_path) > strlen($cookie_path) && substr($request_path, 0, strlen($cookie_path)) === $cookie_path) {
			if (substr($cookie_path, -1) === '/') {
				// The cookie-path is a prefix of the request-path, and the last
				// character of the cookie-path is %x2F ("/").
				return true;
			}

if (substr($request_path, strlen($cookie_path), 1) === '/') {
				// The cookie-path is a prefix of the request-path, and the
				// first character of the request-path that is not included in
				// the cookie-path is a %x2F ("/") character.
				return true;
			}
		}

return false;
	}

/**
	 * Normalize cookie and attributes
	 *
	 * @return boolean Whether the cookie was successfully normalized
	 */
	public function normalize() {
		foreach ($this->attributes as $key => $value) {
			$orig_value = $value;
			$value = $this->normalize_attribute($key, $value);
			if ($value === null) {
				unset($this->attributes[$key]);
				continue;
			}

if ($value !== $orig_value) {
				$this->attributes[$key] = $value;
			}
		}

return true;
	}

/**
	 * Parse an individual cookie attribute
	 *
	 * Handles parsing individual attributes from the cookie values.
	 *
	 * @param string $name Attribute name
	 * @param string|boolean $value Attribute value (string value, or true if empty/flag)
	 * @return mixed Value if available, or null if the attribute value is invalid (and should be skipped)
	 */
	protected function normalize_attribute($name, $value) {
		switch (strtolower($name)) {
			case 'expires':
				// Expiration parsing, as per RFC 6265 section 5.2.1
				if (is_int($value)) {
					return $value;
				}

$expiry_time = strtotime($value);
				if ($expiry_time === false) {
					return null;
				}

return $expiry_time;

case 'max-age':
				// Expiration parsing, as per RFC 6265 section 5.2.2
				if (is_int($value)) {
					return $value;
				}

// Check that we have a valid age
				if (!preg_match('/^-?\d+$/', $value)) {
					return null;
				}

$delta_seconds = (int) $value;
				if ($delta_seconds <= 0) {
					$expiry_time = 0;
				}
				else {
					$expiry_time = $this->reference_time + $delta_seconds;
				}

return $expiry_time;

case 'domain':
				// Domain normalization, as per RFC 6265 section 5.2.3
				if ($value[0] === '.') {
					$value = substr($value, 1);
				}

return $value;

default:
				return $value;
		}
	}

/**
	 * Format a cookie for a Cookie header
	 *
	 * This is used when sending cookies to a server.
	 *
	 * @return string Cookie formatted for Cookie header
	 */
	public function format_for_header() {
		return sprintf('%s=%s', $this->name, $this->value);
	}

/**
	 * Format a cookie for a Cookie header
	 *
	 * @codeCoverageIgnore
	 * @deprecated Use {@see Requests_Cookie::format_for_header}
	 * @return string
	 */
	public function formatForHeader() {
		return $this->format_for_header();
	}

/**
	 * Format a cookie for a Set-Cookie header
	 *
	 * This is used when sending cookies to clients. This isn't really
	 * applicable to client-side usage, but might be handy for debugging.
	 *
	 * @return string Cookie formatted for Set-Cookie header
	 */
	public function format_for_set_cookie() {
		$header_value = $this->format_for_header();
		if (!empty($this->attributes)) {
			$parts = array();
			foreach ($this->attributes as $key => $value) {
				// Ignore non-associative attributes
				if (is_numeric($key)) {
					$parts[] = $value;
				}
				else {
					$parts[] = sprintf('%s=%s', $key, $value);
				}
			}

$header_value .= '; ' . implode('; ', $parts);
		}
		return $header_value;
	}

/**
	 * Format a cookie for a Set-Cookie header
	 *
	 * @codeCoverageIgnore
	 * @deprecated Use {@see Requests_Cookie::format_for_set_cookie}
	 * @return string
	 */
	public function formatForSetCookie() {
		return $this->format_for_set_cookie();
	}

/**
	 * Get the cookie value
	 *
	 * Attributes and other data can be accessed via methods.
	 */
	public function __toString() {
		return $this->value;
	}

/**
	 * Parse a cookie string into a cookie object
	 *
	 * Based on Mozilla's parsing code in Firefox and related projects, which
	 * is an intentional deviation from RFC 2109 and RFC 2616. RFC 6265
	 * specifies some of this handling, but not in a thorough manner.
	 *
	 * @param string Cookie header value (from a Set-Cookie header)
	 * @return Requests_Cookie Parsed cookie object
	 */
	public static function parse($string, $name = '', $reference_time = null) {
		$parts = explode(';', $string);
		$kvparts = array_shift($parts);

if (!empty($name)) {
			$value = $string;
		}
		elseif (strpos($kvparts, '=') === false) {
			// Some sites might only have a value without the equals separator.
			// Deviate from RFC 6265 and pretend it was actually a blank name
			// (`=foo`)
			//
			// https://bugzilla.mozilla.org/show_bug.cgi?id=169091
			$name = '';
			$value = $kvparts;
		}
		else {
			list($name, $value) = explode('=', $kvparts, 2);
		}
		$name = trim($name);
		$value = trim($value);

// Attribute key are handled case-insensitively
		$attributes = new Requests_Utility_CaseInsensitiveDictionary();

if (!empty($parts)) {
			foreach ($parts as $part) {
				if (strpos($part, '=') === false) {
					$part_key = $part;
					$part_value = true;
				}
				else {
					list($part_key, $part_value) = explode('=', $part, 2);
					$part_value = trim($part_value);
				}

$part_key = trim($part_key);
				$attributes[$part_key] = $part_value;
			}
		}

return new Requests_Cookie($name, $value, $attributes, array(), $reference_time);
	}

/**
	 * Parse all Set-Cookie headers from request headers
	 *
	 * @param Requests_Response_Headers $headers Headers to parse from
	 * @param Requests_IRI|null $origin URI for comparing cookie origins
	 * @param int|null $time Reference time for expiration calculation
	 * @return array
	 */
	public static function parse_from_headers(Requests_Response_Headers $headers, Requests_IRI $origin = null, $time = null) {
		$cookie_headers = $headers->getValues('Set-Cookie');
		if (empty($cookie_headers)) {
			return array();
		}

$cookies = array();
		foreach ($cookie_headers as $header) {
			$parsed = self::parse($header, '', $time);

// Default domain/path attributes
			if (empty($parsed->attributes['domain']) && !empty($origin)) {
				$parsed->attributes['domain'] = $origin->host;
				$parsed->flags['host-only'] = true;
			}
			else {
				$parsed->flags['host-only'] = false;
			}

$path_is_valid = (!empty($parsed->attributes['path']) && $parsed->attributes['path'][0] === '/');
			if (!$path_is_valid && !empty($origin)) {
				$path = $origin->path;

// Default path normalization as per RFC 6265 section 5.1.4
				if (substr($path, 0, 1) !== '/') {
					// If the uri-path is empty or if the first character of
					// the uri-path is not a %x2F ("/") character, output
					// %x2F ("/") and skip the remaining steps.
					$path = '/';
				}
				elseif (substr_count($path, '/') === 1) {
					// If the uri-path contains no more than one %x2F ("/")
					// character, output %x2F ("/") and skip the remaining
					// step.
					$path = '/';
				}
				else {
					// Output the characters of the uri-path from the first
					// character up to, but not including, the right-most
					// %x2F ("/").
					$path = substr($path, 0, strrpos($path, '/'));
				}
				$parsed->attributes['path'] = $path;
			}

// Reject invalid cookie domains
			if (!empty($origin) && !$parsed->domain_matches($origin->host)) {
				continue;
			}

$cookies[$parsed->name] = $parsed;
		}

return $cookies;
	}

/**
	 * Parse all Set-Cookie headers from request headers
	 *
	 * @codeCoverageIgnore
	 * @deprecated Use {@see Requests_Cookie::parse_from_headers}
	 * @return string
	 */
	public static function parseFromHeaders(Requests_Response_Headers $headers) {
		return self::parse_from_headers($headers);
	}
}
<?php
/**
 * Case-insensitive dictionary, suitable for HTTP headers
 *
 * @package Requests
 * @subpackage Utilities
 */

/**
 * Case-insensitive dictionary, suitable for HTTP headers
 *
 * @package Requests
 * @subpackage Utilities
 */
class Requests_Utility_CaseInsensitiveDictionary implements ArrayAccess, IteratorAggregate {
	/**
	 * Actual item data
	 *
	 * @var array
	 */
	protected $data = array();

/**
	 * Creates a case insensitive dictionary.
	 *
	 * @param array $data Dictionary/map to convert to case-insensitive
	 */
	public function __construct(array $data = array()) {
		foreach ($data as $key => $value) {
			$this->offsetSet($key, $value);
		}
	}

/**
	 * Check if the given item exists
	 *
	 * @param string $key Item key
	 * @return boolean Does the item exist?
	 */
	public function offsetExists($key) {
		$key = strtolower($key);
		return isset($this->data[$key]);
	}

/**
	 * Get the value for the item
	 *
	 * @param string $key Item key
	 * @return string Item value
	 */
	public function offsetGet($key) {
		$key = strtolower($key);
		if (!isset($this->data[$key])) {
			return null;
		}

return $this->data[$key];
	}

$key = strtolower($key);
		$this->data[$key] = $value;
	}

/**
	 * Unset the given header
	 *
	 * @param string $key
	 */
	public function offsetUnset($key) {
		unset($this->data[strtolower($key)]);
	}

/**
	 * Get an iterator for the data
	 *
	 * @return ArrayIterator
	 */
	public function getIterator() {
		return new ArrayIterator($this->data);
	}

/**
	 * Get the headers as an array
	 *
	 * @return array Header data
	 */
	public function getAll() {
		return $this->data;
	}
}
<?php
/**
 * Iterator for arrays requiring filtered values
 *
 * @package Requests
 * @subpackage Utilities
 */

/**
 * Iterator for arrays requiring filtered values
 *
 * @package Requests
 * @subpackage Utilities
 */
class Requests_Utility_FilteredIterator extends ArrayIterator {
	/**
	 * Callback to run as a filter
	 *
	 * @var callable
	 */
	protected $callback;

/**
	 * Create a new iterator
	 *
	 * @param array $data
	 * @param callable $callback Callback to be called on each value
	 */
	public function __construct($data, $callback) {
		parent::__construct($data);

$this->callback = $callback;
	}

/**
	 * Get the current item's value after filtering
	 *
	 * @return string
	 */
	public function current() {
		$value = parent::current();
		$value = call_user_func($this->callback, $value);
		return $value;
	}
}
<?php
/**
 * Exception for 414 Request-URI Too Large responses
 *
 * @package Requests
 */

/**
 * Exception for 414 Request-URI Too Large responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_414 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 414;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Request-URI Too Large';
}<?php
/**
 * Exception for 412 Precondition Failed responses
 *
 * @package Requests
 */

/**
 * Exception for 412 Precondition Failed responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_412 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 412;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Precondition Failed';
}<?php
/**
 * Exception for 401 Unauthorized responses
 *
 * @package Requests
 */

/**
 * Exception for 401 Unauthorized responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_401 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 401;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Unauthorized';
}<?php
/**
 * Exception for 416 Requested Range Not Satisfiable responses
 *
 * @package Requests
 */

/**
 * Exception for 416 Requested Range Not Satisfiable responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_416 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 416;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Requested Range Not Satisfiable';
}<?php
/**
 * Exception for 402 Payment Required responses
 *
 * @package Requests
 */

/**
 * Exception for 402 Payment Required responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_402 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 402;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Payment Required';
}<?php
/**
 * Exception for 503 Service Unavailable responses
 *
 * @package Requests
 */

/**
 * Exception for 503 Service Unavailable responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_503 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 503;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Service Unavailable';
}<?php
/**
 * Exception for 403 Forbidden responses
 *
 * @package Requests
 */

/**
 * Exception for 403 Forbidden responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_403 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 403;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Forbidden';
}<?php
/**
 * Exception for 505 HTTP Version Not Supported responses
 *
 * @package Requests
 */

/**
 * Exception for 505 HTTP Version Not Supported responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_505 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 505;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'HTTP Version Not Supported';
}<?php
/**
 * Exception for 501 Not Implemented responses
 *
 * @package Requests
 */

/**
 * Exception for 501 Not Implemented responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_501 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 501;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Not Implemented';
}<?php
/**
 * Exception for 411 Length Required responses
 *
 * @package Requests
 */

/**
 * Exception for 411 Length Required responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_411 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 411;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Length Required';
}<?php
/**
 * Exception for 404 Not Found responses
 *
 * @package Requests
 */

/**
 * Exception for 404 Not Found responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_404 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 404;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Not Found';
}<?php
/**
 * Exception for 305 Use Proxy responses
 *
 * @package Requests
 */

/**
 * Exception for 305 Use Proxy responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_305 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 305;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Use Proxy';
}
<?php
/**
 * Exception for 418 I'm A Teapot responses
 *
 * @see https://tools.ietf.org/html/rfc2324
 * @package Requests
 */

/**
 * Exception for 418 I'm A Teapot responses
 *
 * @see https://tools.ietf.org/html/rfc2324
 * @package Requests
 */
class Requests_Exception_HTTP_418 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 418;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = "I'm A Teapot";
}<?php
/**
 * Exception for 428 Precondition Required responses
 *
 * @see https://tools.ietf.org/html/rfc6585
 * @package Requests
 */

/**
 * Exception for 428 Precondition Required responses
 *
 * @see https://tools.ietf.org/html/rfc6585
 * @package Requests
 */
class Requests_Exception_HTTP_428 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 428;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Precondition Required';
}<?php
/**
 * Exception for 406 Not Acceptable responses
 *
 * @package Requests
 */

/**
 * Exception for 406 Not Acceptable responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_406 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 406;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Not Acceptable';
}<?php
/**
 * Exception for 413 Request Entity Too Large responses
 *
 * @package Requests
 */

/**
 * Exception for 413 Request Entity Too Large responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_413 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 413;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Request Entity Too Large';
}<?php
/**
 * Exception for 306 Switch Proxy responses
 *
 * @package Requests
 */

/**
 * Exception for 306 Switch Proxy responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_306 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 306;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Switch Proxy';
}
<?php
/**
 * Exception for 429 Too Many Requests responses
 *
 * @see https://tools.ietf.org/html/draft-nottingham-http-new-status-04
 * @package Requests
 */

/**
 * Exception for 429 Too Many Requests responses
 *
 * @see https://tools.ietf.org/html/draft-nottingham-http-new-status-04
 * @package Requests
 */
class Requests_Exception_HTTP_429 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 429;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Too Many Requests';
}<?php
/**
 * Exception for 409 Conflict responses
 *
 * @package Requests
 */

/**
 * Exception for 409 Conflict responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_409 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 409;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Conflict';
}<?php
/**
 * Exception for 400 Bad Request responses
 *
 * @package Requests
 */

/**
 * Exception for 400 Bad Request responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_400 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 400;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Bad Request';
}<?php
/**
 * Exception for 417 Expectation Failed responses
 *
 * @package Requests
 */

/**
 * Exception for 417 Expectation Failed responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_417 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 417;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Expectation Failed';
}<?php
/**
 * Exception for 502 Bad Gateway responses
 *
 * @package Requests
 */

/**
 * Exception for 502 Bad Gateway responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_502 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 502;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Bad Gateway';
}<?php
/**
 * Exception for 304 Not Modified responses
 *
 * @package Requests
 */

/**
 * Exception for 304 Not Modified responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_304 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 304;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Not Modified';
}<?php
/**
 * Exception for 405 Method Not Allowed responses
 *
 * @package Requests
 */

/**
 * Exception for 405 Method Not Allowed responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_405 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 405;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Method Not Allowed';
}<?php
/**
 * Exception for 408 Request Timeout responses
 *
 * @package Requests
 */

/**
 * Exception for 408 Request Timeout responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_408 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 408;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Request Timeout';
}<?php
/**
 * Exception for 504 Gateway Timeout responses
 *
 * @package Requests
 */

/**
 * Exception for 504 Gateway Timeout responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_504 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 504;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Gateway Timeout';
}<?php
/**
 * Exception for 415 Unsupported Media Type responses
 *
 * @package Requests
 */

/**
 * Exception for 415 Unsupported Media Type responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_415 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 415;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Unsupported Media Type';
}<?php
/**
 * Exception for 407 Proxy Authentication Required responses
 *
 * @package Requests
 */

/**
 * Exception for 407 Proxy Authentication Required responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_407 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 407;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Proxy Authentication Required';
}<?php
/**
 * Exception for unknown status responses
 *
 * @package Requests
 */

/**
 * Exception for unknown status responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_Unknown extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer|bool Code if available, false if an error occurred
	 */
	protected $code = 0;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Unknown';

/**
	 * Create a new exception
	 *
	 * If `$data` is an instance of {@see Requests_Response}, uses the status
	 * code from it. Otherwise, sets as 0
	 *
	 * @param string|null $reason Reason phrase
	 * @param mixed $data Associated data
	 */
	public function __construct($reason = null, $data = null) {
		if ($data instanceof Requests_Response) {
			$this->code = $data->status_code;
		}

parent::__construct($reason, $data);
	}
}<?php
/**
 * Exception for 500 Internal Server Error responses
 *
 * @package Requests
 */

/**
 * Exception for 500 Internal Server Error responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_500 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 500;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Internal Server Error';
}<?php
/**
 * Exception for 431 Request Header Fields Too Large responses
 *
 * @see https://tools.ietf.org/html/rfc6585
 * @package Requests
 */

/**
 * Exception for 431 Request Header Fields Too Large responses
 *
 * @see https://tools.ietf.org/html/rfc6585
 * @package Requests
 */
class Requests_Exception_HTTP_431 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 431;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Request Header Fields Too Large';
}<?php
/**
 * Exception for 511 Network Authentication Required responses
 *
 * @see https://tools.ietf.org/html/rfc6585
 * @package Requests
 */

/**
 * Exception for 511 Network Authentication Required responses
 *
 * @see https://tools.ietf.org/html/rfc6585
 * @package Requests
 */
class Requests_Exception_HTTP_511 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 511;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Network Authentication Required';
}<?php
/**
 * Exception for 410 Gone responses
 *
 * @package Requests
 */

/**
 * Exception for 410 Gone responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_410 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 410;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Gone';
}<?php

class Requests_Exception_Transport_cURL extends Requests_Exception_Transport {

const EASY = 'cURLEasy';
	const MULTI = 'cURLMulti';
	const SHARE = 'cURLShare';

/**
	 * cURL error code
	 *
	 * @var integer
	 */
	protected $code = -1;

/**
	 * Which type of cURL error
	 *
	 * EASY|MULTI|SHARE
	 *
	 * @var string
	 */
	protected $type = 'Unknown';

/**
	 * Clear text error message
	 *
	 * @var string
	 */
	protected $reason = 'Unknown';

public function __construct($message, $type, $data = null, $code = 0) {
		if ($type !== null) {
			$this->type = $type;
		}

if ($code !== null) {
			$this->code = $code;
		}

if ($message !== null) {
			$this->reason = $message;
		}

$message = sprintf('%d %s', $this->code, $this->reason);
		parent::__construct($message, $this->type, $data, $this->code);
	}

/**
	 * Get the error message
	 */
	public function getReason() {
		return $this->reason;
	}

}
<?php
/**
 * Exception based on HTTP response
 *
 * @package Requests
 */

/**
 * Exception based on HTTP response
 *
 * @package Requests
 */
class Requests_Exception_HTTP extends Requests_Exception {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 0;

/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Unknown';

/**
	 * Create a new exception
	 *
	 * There is no mechanism to pass in the status code, as this is set by the
	 * subclass used. Reason phrases can vary, however.
	 *
	 * @param string|null $reason Reason phrase
	 * @param mixed $data Associated data
	 */
	public function __construct($reason = null, $data = null) {
		if ($reason !== null) {
			$this->reason = $reason;
		}

$message = sprintf('%d %s', $this->code, $this->reason);
		parent::__construct($message, 'httpresponse', $data, $this->code);
	}

/**
	 * Get the status message
	 */
	public function getReason() {
		return $this->reason;
	}

/**
	 * Get the correct exception class for a given error code
	 *
	 * @param int|bool $code HTTP status code, or false if unavailable
	 * @return string Exception class name to use
	 */
	public static function get_class($code) {
		if (!$code) {
			return 'Requests_Exception_HTTP_Unknown';
		}

$class = sprintf('Requests_Exception_HTTP_%d', $code);
		if (class_exists($class)) {
			return $class;
		}

return 'Requests_Exception_HTTP_Unknown';
	}
}<?php

class Requests_Exception_Transport extends Requests_Exception {

}
<?php
/**
 * Requests for PHP
 *
 * Inspired by Requests for Python.
 *
 * Based on concepts from SimplePie_File, RequestCore and WP_Http.
 *
 * @package Requests
 */

/**
 * Requests for PHP
 *
 * Inspired by Requests for Python.
 *
 * Based on concepts from SimplePie_File, RequestCore and WP_Http.
 *
 * @package Requests
 */
class Requests {
	/**
	 * POST method
	 *
	 * @var string
	 */
	const POST = 'POST';

/**
	 * PUT method
	 *
	 * @var string
	 */
	const PUT = 'PUT';

/**
	 * GET method
	 *
	 * @var string
	 */
	const GET = 'GET';

/**
	 * HEAD method
	 *
	 * @var string
	 */
	const HEAD = 'HEAD';

/**
	 * DELETE method
	 *
	 * @var string
	 */
	const DELETE = 'DELETE';

/**
	 * OPTIONS method
	 *
	 * @var string
	 */
	const OPTIONS = 'OPTIONS';

/**
	 * TRACE method
	 *
	 * @var string
	 */
	const TRACE = 'TRACE';

/**
	 * PATCH method
	 *
	 * @link https://tools.ietf.org/html/rfc5789
	 * @var string
	 */
	const PATCH = 'PATCH';

/**
	 * Default size of buffer size to read streams
	 *
	 * @var integer
	 */
	const BUFFER_SIZE = 1160;

/**
	 * Current version of Requests
	 *
	 * @var string
	 */
	const VERSION = '1.7';

/**
	 * Registered transport classes
	 *
	 * @var array
	 */
	protected static $transports = array();

/**
	 * Selected transport name
	 *
	 * Use {@see get_transport()} instead
	 *
	 * @var array
	 */
	public static $transport = array();

/**
	 * Default certificate path.
	 *
	 * @see Requests::get_certificate_path()
	 * @see Requests::set_certificate_path()
	 *
	 * @var string
	 */
	protected static $certificate_path;

/**
	 * This is a static class, do not instantiate it
	 *
	 * @codeCoverageIgnore
	 */
	private function __construct() {}

/**
	 * Autoloader for Requests
	 *
	 * Register this with {@see register_autoloader()} if you'd like to avoid
	 * having to create your own.
	 *
	 * (You can also use `spl_autoload_register` directly if you'd prefer.)
	 *
	 * @codeCoverageIgnore
	 *
	 * @param string $class Class name to load
	 */
	public static function autoloader($class) {
		// Check that the class starts with "Requests"
		if (strpos($class, 'Requests') !== 0) {
			return;
		}

$file = str_replace('_', '/', $class);
		if (file_exists(dirname(__FILE__) . '/' . $file . '.php')) {
			require_once(dirname(__FILE__) . '/' . $file . '.php');
		}
	}

/**
	 * Register the built-in autoloader
	 *
	 * @codeCoverageIgnore
	 */
	public static function register_autoloader() {
		spl_autoload_register(array('Requests', 'autoloader'));
	}

/**
	 * Register a transport
	 *
	 * @param string $transport Transport class to add, must support the Requests_Transport interface
	 */
	public static function add_transport($transport) {
		if (empty(self::$transports)) {
			self::$transports = array(
				'Requests_Transport_cURL',
				'Requests_Transport_fsockopen',
			);
		}

self::$transports = array_merge(self::$transports, array($transport));
	}

/**
	 * Get a working transport
	 *
	 * @throws Requests_Exception If no valid transport is found (`notransport`)
	 * @return Requests_Transport
	 */
	protected static function get_transport($capabilities = array()) {
		// Caching code, don't bother testing coverage
		// @codeCoverageIgnoreStart
		// array of capabilities as a string to be used as an array key
		ksort($capabilities);
		$cap_string = serialize($capabilities);

// Don't search for a transport if it's already been done for these $capabilities
		if (isset(self::$transport[$cap_string]) && self::$transport[$cap_string] !== null) {
			return new self::$transport[$cap_string]();
		}
		// @codeCoverageIgnoreEnd

if (empty(self::$transports)) {
			self::$transports = array(
				'Requests_Transport_cURL',
				'Requests_Transport_fsockopen',
			);
		}

// Find us a working transport
		foreach (self::$transports as $class) {
			if (!class_exists($class)) {
				continue;
			}

$result = call_user_func(array($class, 'test'), $capabilities);
			if ($result) {
				self::$transport[$cap_string] = $class;
				break;
			}
		}
		if (self::$transport[$cap_string] === null) {
			throw new Requests_Exception('No working transports found', 'notransport', self::$transports);
		}

return new self::$transport[$cap_string]();
	}

/**#@+
	 * @see request()
	 * @param string $url
	 * @param array $headers
	 * @param array $options
	 * @return Requests_Response
	 */
	/**
	 * Send a GET request
	 */
	public static function get($url, $headers = array(), $options = array()) {
		return self::request($url, $headers, null, self::GET, $options);
	}

/**
	 * Send a HEAD request
	 */
	public static function head($url, $headers = array(), $options = array()) {
		return self::request($url, $headers, null, self::HEAD, $options);
	}

/**
	 * Send a DELETE request
	 */
	public static function delete($url, $headers = array(), $options = array()) {
		return self::request($url, $headers, null, self::DELETE, $options);
	}

/**
	 * Send a TRACE request
	 */
	public static function trace($url, $headers = array(), $options = array()) {
		return self::request($url, $headers, null, self::TRACE, $options);
	}
	/**#@-*/

/**#@+
	 * @see request()
	 * @param string $url
	 * @param array $headers
	 * @param array $data
	 * @param array $options
	 * @return Requests_Response
	 */
	/**
	 * Send a POST request
	 */
	public static function post($url, $headers = array(), $data = array(), $options = array()) {
		return self::request($url, $headers, $data, self::POST, $options);
	}
	/**
	 * Send a PUT request
	 */
	public static function put($url, $headers = array(), $data = array(), $options = array()) {
		return self::request($url, $headers, $data, self::PUT, $options);
	}

/**
	 * Send an OPTIONS request
	 */
	public static function options($url, $headers = array(), $data = array(), $options = array()) {
		return self::request($url, $headers, $data, self::OPTIONS, $options);
	}

/**
	 * Send a PATCH request
	 *
	 * Note: Unlike {@see post} and {@see put}, `$headers` is required, as the
	 * specification recommends that should send an ETag
	 *
	 * @link https://tools.ietf.org/html/rfc5789
	 */
	public static function patch($url, $headers, $data = array(), $options = array()) {
		return self::request($url, $headers, $data, self::PATCH, $options);
	}
	/**#@-*/

/**
	 * Main interface for HTTP requests
	 *
	 * This method initiates a request and sends it via a transport before
	 * parsing.
	 *
	 * The `$options` parameter takes an associative array with the following
	 * options:
	 *
	 * - `timeout`: How long should we wait for a response?
	 *    Note: for cURL, a minimum of 1 second applies, as DNS resolution
	 *    operates at second-resolution only.
	 *    (float, seconds with a millisecond precision, default: 10, example: 0.01)
	 * - `connect_timeout`: How long should we wait while trying to connect?
	 *    (float, seconds with a millisecond precision, default: 10, example: 0.01)
	 * - `useragent`: Useragent to send to the server
	 *    (string, default: php-requests/$version)
	 * - `follow_redirects`: Should we follow 3xx redirects?
	 *    (boolean, default: true)
	 * - `redirects`: How many times should we redirect before erroring?
	 *    (integer, default: 10)
	 * - `blocking`: Should we block processing on this request?
	 *    (boolean, default: true)
	 * - `filename`: File to stream the body to instead.
	 *    (string|boolean, default: false)
	 * - `auth`: Authentication handler or array of user/password details to use
	 *    for Basic authentication
	 *    (Requests_Auth|array|boolean, default: false)
	 * - `proxy`: Proxy details to use for proxy by-passing and authentication
	 *    (Requests_Proxy|array|string|boolean, default: false)
	 * - `max_bytes`: Limit for the response body size.
	 *    (integer|boolean, default: false)
	 * - `idn`: Enable IDN parsing
	 *    (boolean, default: true)
	 * - `transport`: Custom transport. Either a class name, or a
	 *    transport object. Defaults to the first working transport from
	 *    {@see getTransport()}
	 *    (string|Requests_Transport, default: {@see getTransport()})
	 * - `hooks`: Hooks handler.
	 *    (Requests_Hooker, default: new Requests_Hooks())
	 * - `verify`: Should we verify SSL certificates? Allows passing in a custom
	 *    certificate file as a string. (Using true uses the system-wide root
	 *    certificate store instead, but this may have different behaviour
	 *    across transports.)
	 *    (string|boolean, default: library/Requests/Transport/cacert.pem)
	 * - `verifyname`: Should we verify the common name in the SSL certificate?
	 *    (boolean: default, true)
	 * - `data_format`: How should we send the `$data` parameter?
	 *    (string, one of 'query' or 'body', default: 'query' for
	 *    HEAD/GET/DELETE, 'body' for POST/PUT/OPTIONS/PATCH)
	 *
	 * @throws Requests_Exception On invalid URLs (`nonhttp`)
	 *
	 * @param string $url URL to request
	 * @param array $headers Extra headers to send with the request
	 * @param array|null $data Data to send either as a query string for GET/HEAD requests, or in the body for POST requests
	 * @param string $type HTTP request type (use Requests constants)
	 * @param array $options Options for the request (see description for more information)
	 * @return Requests_Response
	 */
	public static function request($url, $headers = array(), $data = array(), $type = self::GET, $options = array()) {
		if (empty($options['type'])) {
			$options['type'] = $type;
		}
		$options = array_merge(self::get_default_options(), $options);

self::set_defaults($url, $headers, $data, $type, $options);

$options['hooks']->dispatch('requests.before_request', array(&$url, &$headers, &$data, &$type, &$options));

if (!empty($options['transport'])) {
			$transport = $options['transport'];

if (is_string($options['transport'])) {
				$transport = new $transport();
			}
		}
		else {
			$need_ssl = (0 === stripos($url, 'https://'));
			$capabilities = array('ssl' => $need_ssl);
			$transport = self::get_transport($capabilities);
		}
		$response = $transport->request($url, $headers, $data, $options);

$options['hooks']->dispatch('requests.before_parse', array(&$response, $url, $headers, $data, $type, $options));

return self::parse_response($response, $url, $headers, $data, $options);
	}

/**
	 * Send multiple HTTP requests simultaneously
	 *
	 * The `$requests` parameter takes an associative or indexed array of
	 * request fields. The key of each request can be used to match up the
	 * request with the returned data, or with the request passed into your
	 * `multiple.request.complete` callback.
	 *
	 * The request fields value is an associative array with the following keys:
	 *
	 * - `url`: Request URL Same as the `$url` parameter to
	 *    {@see Requests::request}
	 *    (string, required)
	 * - `headers`: Associative array of header fields. Same as the `$headers`
	 *    parameter to {@see Requests::request}
	 *    (array, default: `array()`)
	 * - `data`: Associative array of data fields or a string. Same as the
	 *    `$data` parameter to {@see Requests::request}
	 *    (array|string, default: `array()`)
	 * - `type`: HTTP request type (use Requests constants). Same as the `$type`
	 *    parameter to {@see Requests::request}
	 *    (string, default: `Requests::GET`)
	 * - `cookies`: Associative array of cookie name to value, or cookie jar.
	 *    (array|Requests_Cookie_Jar)
	 *
	 * If the `$options` parameter is specified, individual requests will
	 * inherit options from it. This can be used to use a single hooking system,
	 * or set all the types to `Requests::POST`, for example.
	 *
	 * In addition, the `$options` parameter takes the following global options:
	 *
	 * - `complete`: A callback for when a request is complete. Takes two
	 *    parameters, a Requests_Response/Requests_Exception reference, and the
	 *    ID from the request array (Note: this can also be overridden on a
	 *    per-request basis, although that's a little silly)
	 *    (callback)
	 *
	 * @param array $requests Requests data (see description for more information)
	 * @param array $options Global and default options (see {@see Requests::request})
	 * @return array Responses (either Requests_Response or a Requests_Exception object)
	 */
	public static function request_multiple($requests, $options = array()) {
		$options = array_merge(self::get_default_options(true), $options);

if (!empty($options['hooks'])) {
			$options['hooks']->register('transport.internal.parse_response', array('Requests', 'parse_multiple'));
			if (!empty($options['complete'])) {
				$options['hooks']->register('multiple.request.complete', $options['complete']);
			}
		}

foreach ($requests as $id => &$request) {
			if (!isset($request['headers'])) {
				$request['headers'] = array();
			}
			if (!isset($request['data'])) {
				$request['data'] = array();
			}
			if (!isset($request['type'])) {
				$request['type'] = self::GET;
			}
			if (!isset($request['options'])) {
				$request['options'] = $options;
				$request['options']['type'] = $request['type'];
			}
			else {
				if (empty($request['options']['type'])) {
					$request['options']['type'] = $request['type'];
				}
				$request['options'] = array_merge($options, $request['options']);
			}

self::set_defaults($request['url'], $request['headers'], $request['data'], $request['type'], $request['options']);

// Ensure we only hook in once
			if ($request['options']['hooks'] !== $options['hooks']) {
				$request['options']['hooks']->register('transport.internal.parse_response', array('Requests', 'parse_multiple'));
				if (!empty($request['options']['complete'])) {
					$request['options']['hooks']->register('multiple.request.complete', $request['options']['complete']);
				}
			}
		}
		unset($request);

if (!empty($options['transport'])) {
			$transport = $options['transport'];

if (is_string($options['transport'])) {
				$transport = new $transport();
			}
		}
		else {
			$transport = self::get_transport();
		}
		$responses = $transport->request_multiple($requests, $options);

foreach ($responses as $id => &$response) {
			// If our hook got messed with somehow, ensure we end up with the
			// correct response
			if (is_string($response)) {
				$request = $requests[$id];
				self::parse_multiple($response, $request);
				$request['options']['hooks']->dispatch('multiple.request.complete', array(&$response, $id));
			}
		}

return $responses;
	}

/**
	 * Get the default options
	 *
	 * @see Requests::request() for values returned by this method
	 * @param boolean $multirequest Is this a multirequest?
	 * @return array Default option values
	 */
	protected static function get_default_options($multirequest = false) {
		$defaults = array(
			'timeout' => 10,
			'connect_timeout' => 10,
			'useragent' => 'php-requests/' . self::VERSION,
			'protocol_version' => 1.1,
			'redirected' => 0,
			'redirects' => 10,
			'follow_redirects' => true,
			'blocking' => true,
			'type' => self::GET,
			'filename' => false,
			'auth' => false,
			'proxy' => false,
			'cookies' => false,
			'max_bytes' => false,
			'idn' => true,
			'hooks' => null,
			'transport' => null,
			'verify' => Requests::get_certificate_path(),
			'verifyname' => true,
		);
		if ($multirequest !== false) {
			$defaults['complete'] = null;
		}
		return $defaults;
	}

/**
	 * Get default certificate path.
	 *
	 * @return string Default certificate path.
	 */
	public static function get_certificate_path() {
		if ( ! empty( Requests::$certificate_path ) ) {
			return Requests::$certificate_path;
		}

return dirname(__FILE__) . '/Requests/Transport/cacert.pem';
	}

/**
	 * Set default certificate path.
	 *
	 * @param string $path Certificate path, pointing to a PEM file.
	 */
	public static function set_certificate_path( $path ) {
		Requests::$certificate_path = $path;
	}

/**
	 * Set the default values
	 *
	 * @param string $url URL to request
	 * @param array $headers Extra headers to send with the request
	 * @param array|null $data Data to send either as a query string for GET/HEAD requests, or in the body for POST requests
	 * @param string $type HTTP request type
	 * @param array $options Options for the request
	 * @return array $options
	 */
	protected static function set_defaults(&$url, &$headers, &$data, &$type, &$options) {
		if (!preg_match('/^http(s)?:\/\//i', $url, $matches)) {
			throw new Requests_Exception('Only HTTP(S) requests are handled.', 'nonhttp', $url);
		}

if (empty($options['hooks'])) {
			$options['hooks'] = new Requests_Hooks();
		}

if (is_array($options['auth'])) {
			$options['auth'] = new Requests_Auth_Basic($options['auth']);
		}
		if ($options['auth'] !== false) {
			$options['auth']->register($options['hooks']);
		}

if (is_string($options['proxy']) || is_array($options['proxy'])) {
			$options['proxy'] = new Requests_Proxy_HTTP($options['proxy']);
		}
		if ($options['proxy'] !== false) {
			$options['proxy']->register($options['hooks']);
		}

if (is_array($options['cookies'])) {
			$options['cookies'] = new Requests_Cookie_Jar($options['cookies']);
		}
		elseif (empty($options['cookies'])) {
			$options['cookies'] = new Requests_Cookie_Jar();
		}
		if ($options['cookies'] !== false) {
			$options['cookies']->register($options['hooks']);
		}

if ($options['idn'] !== false) {
			$iri = new Requests_IRI($url);
			$iri->host = Requests_IDNAEncoder::encode($iri->ihost);
			$url = $iri->uri;
		}

// Massage the type to ensure we support it.
		$type = strtoupper($type);

if (!isset($options['data_format'])) {
			if (in_array($type, array(self::HEAD, self::GET, self::DELETE))) {
				$options['data_format'] = 'query';
			}
			else {
				$options['data_format'] = 'body';
			}
		}
	}

/**
	 * HTTP response parser
	 *
	 * @throws Requests_Exception On missing head/body separator (`requests.no_crlf_separator`)
	 * @throws Requests_Exception On missing head/body separator (`noversion`)
	 * @throws Requests_Exception On missing head/body separator (`toomanyredirects`)
	 *
	 * @param string $headers Full response text including headers and body
	 * @param string $url Original request URL
	 * @param array $req_headers Original $headers array passed to {@link request()}, in case we need to follow redirects
	 * @param array $req_data Original $data array passed to {@link request()}, in case we need to follow redirects
	 * @param array $options Original $options array passed to {@link request()}, in case we need to follow redirects
	 * @return Requests_Response
	 */
	protected static function parse_response($headers, $url, $req_headers, $req_data, $options) {
		$return = new Requests_Response();
		if (!$options['blocking']) {
			return $return;
		}

$return->raw = $headers;
		$return->url = $url;

if (!$options['filename']) {
			if (($pos = strpos($headers, "\r\n\r\n")) === false) {
				// Crap!
				throw new Requests_Exception('Missing header/body separator', 'requests.no_crlf_separator');
			}

$headers = substr($return->raw, 0, $pos);
			$return->body = substr($return->raw, $pos + strlen("\n\r\n\r"));
		}
		else {
			$return->body = '';
		}
		// Pretend CRLF = LF for compatibility (RFC 2616, section 19.3)
		$headers = str_replace("\r\n", "\n", $headers);
		// Unfold headers (replace [CRLF] 1*( SP | HT ) with SP) as per RFC 2616 (section 2.2)
		$headers = preg_replace('/\n[ \t]/', ' ', $headers);
		$headers = explode("\n", $headers);
		preg_match('#^HTTP/(1\.\d)[ \t]+(\d+)#i', array_shift($headers), $matches);
		if (empty($matches)) {
			throw new Requests_Exception('Response could not be parsed', 'noversion', $headers);
		}
		$return->protocol_version = (float) $matches[1];
		$return->status_code = (int) $matches[2];
		if ($return->status_code >= 200 && $return->status_code < 300) {
			$return->success = true;
		}

foreach ($headers as $header) {
			list($key, $value) = explode(':', $header, 2);
			$value = trim($value);
			preg_replace('#(\s+)#i', ' ', $value);
			$return->headers[$key] = $value;
		}
		if (isset($return->headers['transfer-encoding'])) {
			$return->body = self::decode_chunked($return->body);
			unset($return->headers['transfer-encoding']);
		}
		if (isset($return->headers['content-encoding'])) {
			$return->body = self::decompress($return->body);
		}

//fsockopen and cURL compatibility
		if (isset($return->headers['connection'])) {
			unset($return->headers['connection']);
		}

$options['hooks']->dispatch('requests.before_redirect_check', array(&$return, $req_headers, $req_data, $options));

if ($return->is_redirect() && $options['follow_redirects'] === true) {
			if (isset($return->headers['location']) && $options['redirected'] < $options['redirects']) {
				if ($return->status_code === 303) {
					$options['type'] = self::GET;
				}
				$options['redirected']++;
				$location = $return->headers['location'];
				if (strpos($location, 'http://') !== 0 && strpos($location, 'https://') !== 0) {
					// relative redirect, for compatibility make it absolute
					$location = Requests_IRI::absolutize($url, $location);
					$location = $location->uri;
				}

$hook_args = array(
					&$location,
					&$req_headers,
					&$req_data,
					&$options,
					$return
				);
				$options['hooks']->dispatch('requests.before_redirect', $hook_args);
				$redirected = self::request($location, $req_headers, $req_data, $options['type'], $options);
				$redirected->history[] = $return;
				return $redirected;
			}
			elseif ($options['redirected'] >= $options['redirects']) {
				throw new Requests_Exception('Too many redirects', 'toomanyredirects', $return);
			}
		}

$return->redirects = $options['redirected'];

$options['hooks']->dispatch('requests.after_request', array(&$return, $req_headers, $req_data, $options));
		return $return;
	}

/**
	 * Callback for `transport.internal.parse_response`
	 *
	 * Internal use only. Converts a raw HTTP response to a Requests_Response
	 * while still executing a multiple request.
	 *
	 * @param string $response Full response text including headers and body (will be overwritten with Response instance)
	 * @param array $request Request data as passed into {@see Requests::request_multiple()}
	 * @return null `$response` is either set to a Requests_Response instance, or a Requests_Exception object
	 */
	public static function parse_multiple(&$response, $request) {
		try {
			$url = $request['url'];
			$headers = $request['headers'];
			$data = $request['data'];
			$options = $request['options'];
			$response = self::parse_response($response, $url, $headers, $data, $options);
		}
		catch (Requests_Exception $e) {
			$response = $e;
		}
	}

/**
	 * Decoded a chunked body as per RFC 2616
	 *
	 * @see https://tools.ietf.org/html/rfc2616#section-3.6.1
	 * @param string $data Chunked body
	 * @return string Decoded body
	 */
	protected static function decode_chunked($data) {
		if (!preg_match('/^([0-9a-f]+)(?:;(?:[\w-]*)(?:=(?:(?:[\w-]*)*|"(?:[^\r\n])*"))?)*\r\n/i', trim($data))) {
			return $data;
		}

$decoded = '';
		$encoded = $data;

while (true) {
			$is_chunked = (bool) preg_match('/^([0-9a-f]+)(?:;(?:[\w-]*)(?:=(?:(?:[\w-]*)*|"(?:[^\r\n])*"))?)*\r\n/i', $encoded, $matches);
			if (!$is_chunked) {
				// Looks like it's not chunked after all
				return $data;
			}

$length = hexdec(trim($matches[1]));
			if ($length === 0) {
				// Ignore trailer headers
				return $decoded;
			}

$chunk_length = strlen($matches[0]);
			$decoded .= substr($encoded, $chunk_length, $length);
			$encoded = substr($encoded, $chunk_length + $length + 2);

if (trim($encoded) === '0' || empty($encoded)) {
				return $decoded;
			}
		}

// We'll never actually get down here
		// @codeCoverageIgnoreStart
	}
	// @codeCoverageIgnoreEnd

/**
	 * Convert a key => value array to a 'key: value' array for headers
	 *
	 * @param array $array Dictionary of header values
	 * @return array List of headers
	 */
	public static function flatten($array) {
		$return = array();
		foreach ($array as $key => $value) {
			$return[] = sprintf('%s: %s', $key, $value);
		}
		return $return;
	}

/**
	 * Convert a key => value array to a 'key: value' array for headers
	 *
	 * @codeCoverageIgnore
	 * @deprecated Misspelling of {@see Requests::flatten}
	 * @param array $array Dictionary of header values
	 * @return array List of headers
	 */
	public static function flattern($array) {
		return self::flatten($array);
	}

/**
	 * Decompress an encoded body
	 *
	 * Implements gzip, compress and deflate. Guesses which it is by attempting
	 * to decode.
	 *
	 * @param string $data Compressed data in one of the above formats
	 * @return string Decompressed string
	 */
	public static function decompress($data) {
		if (substr($data, 0, 2) !== "\x1f\x8b" && substr($data, 0, 2) !== "\x78\x9c") {
			// Not actually compressed. Probably cURL ruining this for us.
			return $data;
		}

if (function_exists('gzdecode') && ($decoded = @gzdecode($data)) !== false) {
			return $decoded;
		}
		elseif (function_exists('gzinflate') && ($decoded = @gzinflate($data)) !== false) {
			return $decoded;
		}
		elseif (($decoded = self::compatible_gzinflate($data)) !== false) {
			return $decoded;
		}
		elseif (function_exists('gzuncompress') && ($decoded = @gzuncompress($data)) !== false) {
			return $decoded;
		}

return $data;
	}

/**
	 * Decompression of deflated string while staying compatible with the majority of servers.
	 *
	 * Certain Servers will return deflated data with headers which PHP's gzinflate()
	 * function cannot handle out of the box. The following function has been created from
	 * various snippets on the gzinflate() PHP documentation.
	 *
	 * Warning: Magic numbers within. Due to the potential different formats that the compressed
	 * data may be returned in, some "magic offsets" are needed to ensure proper decompression
	 * takes place. For a simple progmatic way to determine the magic offset in use, see:
	 * https://core.trac.wordpress.org/ticket/18273
	 *
	 * @since 2.8.1
	 * @link https://core.trac.wordpress.org/ticket/18273
	 * @link https://secure.php.net/manual/en/function.gzinflate.php#70875
	 * @link https://secure.php.net/manual/en/function.gzinflate.php#77336
	 *
	 * @param string $gzData String to decompress.
	 * @return string|bool False on failure.
	 */
	public static function compatible_gzinflate($gzData) {
		// Compressed data might contain a full zlib header, if so strip it for
		// gzinflate()
		if (substr($gzData, 0, 3) == "\x1f\x8b\x08") {
			$i = 10;
			$flg = ord(substr($gzData, 3, 1));
			if ($flg > 0) {
				if ($flg & 4) {
					list($xlen) = unpack('v', substr($gzData, $i, 2));
					$i = $i + 2 + $xlen;
				}
				if ($flg & 8) {
					$i = strpos($gzData, "\0", $i) + 1;
				}
				if ($flg & 16) {
					$i = strpos($gzData, "\0", $i) + 1;
				}
				if ($flg & 2) {
					$i = $i + 2;
				}
			}
			$decompressed = self::compatible_gzinflate(substr($gzData, $i));
			if (false !== $decompressed) {
				return $decompressed;
			}
		}

// If the data is Huffman Encoded, we must first strip the leading 2
		// byte Huffman marker for gzinflate()
		// The response is Huffman coded by many compressors such as
		// java.util.zip.Deflater, Rubyâ€™s Zlib::Deflate, and .NET's
		// System.IO.Compression.DeflateStream.
		//
		// See https://decompres.blogspot.com/ for a quick explanation of this
		// data type
		$huffman_encoded = false;

// low nibble of first byte should be 0x08
		list(, $first_nibble)    = unpack('h', $gzData);

// First 2 bytes should be divisible by 0x1F
		list(, $first_two_bytes) = unpack('n', $gzData);

if (0x08 == $first_nibble && 0 == ($first_two_bytes % 0x1F)) {
			$huffman_encoded = true;
		}

if ($huffman_encoded) {
			if (false !== ($decompressed = @gzinflate(substr($gzData, 2)))) {
				return $decompressed;
			}
		}

if ("\x50\x4b\x03\x04" == substr($gzData, 0, 4)) {
			// ZIP file format header
			// Offset 6: 2 bytes, General-purpose field
			// Offset 26: 2 bytes, filename length
			// Offset 28: 2 bytes, optional field length
			// Offset 30: Filename field, followed by optional field, followed
			// immediately by data
			list(, $general_purpose_flag) = unpack('v', substr($gzData, 6, 2));

// If the file has been compressed on the fly, 0x08 bit is set of
			// the general purpose field. We can use this to differentiate
			// between a compressed document, and a ZIP file
			$zip_compressed_on_the_fly = (0x08 == (0x08 & $general_purpose_flag));

if (!$zip_compressed_on_the_fly) {
				// Don't attempt to decode a compressed zip file
				return $gzData;
			}

// Determine the first byte of data, based on the above ZIP header
			// offsets:
			$first_file_start = array_sum(unpack('v2', substr($gzData, 26, 4)));
			if (false !== ($decompressed = @gzinflate(substr($gzData, 30 + $first_file_start)))) {
				return $decompressed;
			}
			return false;
		}

// Finally fall back to straight gzinflate
		if (false !== ($decompressed = @gzinflate($gzData))) {
			return $decompressed;
		}

// Fallback for all above failing, not expected, but included for
		// debugging and preventing regressions and to track stats
		if (false !== ($decompressed = @gzinflate(substr($gzData, 2)))) {
			return $decompressed;
		}

return false;
	}

public static function match_domain($host, $reference) {
		// Check for a direct match
		if ($host === $reference) {
			return true;
		}

// Calculate the valid wildcard match if the host is not an IP address
		// Also validates that the host has 3 parts or more, as per Firefox's
		// ruleset.
		$parts = explode('.', $host);
		if (ip2long($host) === false && count($parts) >= 3) {
			$parts[0] = '*';
			$wildcard = implode('.', $parts);
			if ($wildcard === $reference) {
				return true;
			}
		}

return false;
	}
}
<?php

// autoload_files.php @generated by Composer

$vendorDir = dirname(dirname(__FILE__));
$baseDir = dirname($vendorDir);

return array(
    '320cde22f66dd4f5d3fd621d3e88b98f' => $vendorDir . '/symfony/polyfill-ctype/bootstrap.php',
    '0e6d7bf4a5811bfa5cf40c5ccd6fae6a' => $vendorDir . '/symfony/polyfill-mbstring/bootstrap.php',
    '8a0ad02df6a5087f2c380f8fd52db273' => $vendorDir . '/wp-cli/cache-command/cache-command.php',
    'f3f0199a3ecd9f501d0a3b361bd2f61c' => $vendorDir . '/wp-cli/entity-command/entity-command.php',
    'c65f753375faee349b7adc48c2ee7cc2' => $vendorDir . '/wp-cli/db-command/db-command.php',
    '8cd2fca4db21bffce1ad0612f7caeec4' => $vendorDir . '/ramsey/array_column/src/array_column.php',
    '3937806105cc8e221b8fa8db5b70d2f2' => $vendorDir . '/wp-cli/mustangostang-spyc/includes/functions.php',
    'be01b9b16925dcb22165c40b46681ac6' => $vendorDir . '/wp-cli/php-cli-tools/lib/cli/cli.php',
    '3f201033d5aceb2293314273be88f7c6' => $vendorDir . '/wp-cli/extension-command/extension-command.php',
    'd979c11fe80ba96ae3037b43429fe546' => $vendorDir . '/wp-cli/scaffold-command/scaffold-command.php',
    'b66d29757fcb2fb7a9608d068e3716b0' => $vendorDir . '/wp-cli/checksum-command/checksum-command.php',
    '5c6ec5cff8f9d625772c8ed147f6b894' => $vendorDir . '/wp-cli/export-command/export-command.php',
    'ac949ce40a981819ba132473518a9a31' => $vendorDir . '/wp-cli/wp-config-transformer/src/WPConfigTransformer.php',
    '5deaf6ce9c8bbdfb65104c7e938d5875' => $vendorDir . '/wp-cli/config-command/config-command.php',
    '68c39b88215b6cf7a0da164166670ef9' => $vendorDir . '/wp-cli/core-command/core-command.php',
    'f958dca3f412fd7975da1700912a9321' => $vendorDir . '/wp-cli/eval-command/eval-command.php',
    '30cbb6e4122dc988e494c6b9c0438233' => $vendorDir . '/wp-cli/import-command/import-command.php',
    '5e099d3cac677dd2bec1003ea7707745' => $vendorDir . '/wp-cli/media-command/media-command.php',
    'ba366f96f4fddbdef61ad7a862b44f61' => $vendorDir . '/wp-cli/package-command/package-command.php',
    '7654e00bf0e632580764400bd8293a9c' => $vendorDir . '/wp-cli/cron-command/cron-command.php',
    '021d3a13471556f0b57038d679f7f8ea' => $vendorDir . '/wp-cli/embed-command/embed-command.php',
    'ffb465a494c3101218c4417180c2c9a2' => $vendorDir . '/wp-cli/i18n-command/i18n-command.php',
    'ace0d205db7f4135ec32132a0076d555' => $vendorDir . '/wp-cli/language-command/language-command.php',
    'f399c1c8d0c787d5c94c09884cdd9762' => $vendorDir . '/wp-cli/rewrite-command/rewrite-command.php',
    '080fadd667195d055c5a23386f270261' => $vendorDir . '/wp-cli/role-command/role-command.php',
    '8ecb13f8bbc22b1b34d12b14ec01077a' => $vendorDir . '/wp-cli/search-replace-command/search-replace-command.php',
    '9f04dd0aa5d67ec75a75c88c345a079e' => $vendorDir . '/wp-cli/server-command/server-command.php',
    '129d58fa8151374aceb8571bcaa97504' => $vendorDir . '/wp-cli/shell-command/shell-command.php',
    '8519779bbb65eeb842af2f629ce7b6f8' => $vendorDir . '/wp-cli/super-admin-command/super-admin-command.php',
    '1f05372afcc7d0c51a305cef1d56dd01' => $vendorDir . '/wp-cli/widget-command/widget-command.php',
);
<?php

// autoload_static.php @generated by Composer

namespace Composer\Autoload;

class ComposerStaticInit755feccb8675069258c415b8c4b89bbf
{
    public static $files = array (
        '320cde22f66dd4f5d3fd621d3e88b98f' => __DIR__ . '/..' . '/symfony/polyfill-ctype/bootstrap.php',
        '0e6d7bf4a5811bfa5cf40c5ccd6fae6a' => __DIR__ . '/..' . '/symfony/polyfill-mbstring/bootstrap.php',
        '8a0ad02df6a5087f2c380f8fd52db273' => __DIR__ . '/..' . '/wp-cli/cache-command/cache-command.php',
        'f3f0199a3ecd9f501d0a3b361bd2f61c' => __DIR__ . '/..' . '/wp-cli/entity-command/entity-command.php',
        'c65f753375faee349b7adc48c2ee7cc2' => __DIR__ . '/..' . '/wp-cli/db-command/db-command.php',
        '8cd2fca4db21bffce1ad0612f7caeec4' => __DIR__ . '/..' . '/ramsey/array_column/src/array_column.php',
        '3937806105cc8e221b8fa8db5b70d2f2' => __DIR__ . '/..' . '/wp-cli/mustangostang-spyc/includes/functions.php',
        'be01b9b16925dcb22165c40b46681ac6' => __DIR__ . '/..' . '/wp-cli/php-cli-tools/lib/cli/cli.php',
        '3f201033d5aceb2293314273be88f7c6' => __DIR__ . '/..' . '/wp-cli/extension-command/extension-command.php',
        'd979c11fe80ba96ae3037b43429fe546' => __DIR__ . '/..' . '/wp-cli/scaffold-command/scaffold-command.php',
        'b66d29757fcb2fb7a9608d068e3716b0' => __DIR__ . '/..' . '/wp-cli/checksum-command/checksum-command.php',
        '5c6ec5cff8f9d625772c8ed147f6b894' => __DIR__ . '/..' . '/wp-cli/export-command/export-command.php',
        'ac949ce40a981819ba132473518a9a31' => __DIR__ . '/..' . '/wp-cli/wp-config-transformer/src/WPConfigTransformer.php',
        '5deaf6ce9c8bbdfb65104c7e938d5875' => __DIR__ . '/..' . '/wp-cli/config-command/config-command.php',
        '68c39b88215b6cf7a0da164166670ef9' => __DIR__ . '/..' . '/wp-cli/core-command/core-command.php',
        'f958dca3f412fd7975da1700912a9321' => __DIR__ . '/..' . '/wp-cli/eval-command/eval-command.php',
        '30cbb6e4122dc988e494c6b9c0438233' => __DIR__ . '/..' . '/wp-cli/import-command/import-command.php',
        '5e099d3cac677dd2bec1003ea7707745' => __DIR__ . '/..' . '/wp-cli/media-command/media-command.php',
        'ba366f96f4fddbdef61ad7a862b44f61' => __DIR__ . '/..' . '/wp-cli/package-command/package-command.php',
        '7654e00bf0e632580764400bd8293a9c' => __DIR__ . '/..' . '/wp-cli/cron-command/cron-command.php',
        '021d3a13471556f0b57038d679f7f8ea' => __DIR__ . '/..' . '/wp-cli/embed-command/embed-command.php',
        'ffb465a494c3101218c4417180c2c9a2' => __DIR__ . '/..' . '/wp-cli/i18n-command/i18n-command.php',
        'ace0d205db7f4135ec32132a0076d555' => __DIR__ . '/..' . '/wp-cli/language-command/language-command.php',
        'f399c1c8d0c787d5c94c09884cdd9762' => __DIR__ . '/..' . '/wp-cli/rewrite-command/rewrite-command.php',
        '080fadd667195d055c5a23386f270261' => __DIR__ . '/..' . '/wp-cli/role-command/role-command.php',
        '8ecb13f8bbc22b1b34d12b14ec01077a' => __DIR__ . '/..' . '/wp-cli/search-replace-command/search-replace-command.php',
        '9f04dd0aa5d67ec75a75c88c345a079e' => __DIR__ . '/..' . '/wp-cli/server-command/server-command.php',
        '129d58fa8151374aceb8571bcaa97504' => __DIR__ . '/..' . '/wp-cli/shell-command/shell-command.php',
        '8519779bbb65eeb842af2f629ce7b6f8' => __DIR__ . '/..' . '/wp-cli/super-admin-command/super-admin-command.php',
        '1f05372afcc7d0c51a305cef1d56dd01' => __DIR__ . '/..' . '/wp-cli/widget-command/widget-command.php',
    );

public static $prefixLengthsPsr4 = array (
        'W' => 
        array (
            'WP_CLI\\Maintenance\\' => 19,
            'WP_CLI\\I18n\\' => 12,
            'WP_CLI\\Embeds\\' => 14,
            'WP_CLI\\' => 7,
        ),
        'S' => 
        array (
            'Symfony\\Polyfill\\Mbstring\\' => 26,
            'Symfony\\Polyfill\\Ctype\\' => 23,
            'Symfony\\Component\\Yaml\\' => 23,
            'Symfony\\Component\\Translation\\' => 30,
            'Symfony\\Component\\Process\\' => 26,
            'Symfony\\Component\\Finder\\' => 25,
            'Symfony\\Component\\Filesystem\\' => 29,
            'Symfony\\Component\\EventDispatcher\\' => 34,
            'Symfony\\Component\\DependencyInjection\\' => 38,
            'Symfony\\Component\\Debug\\' => 24,
            'Symfony\\Component\\Console\\' => 26,
            'Symfony\\Component\\Config\\' => 25,
            'Seld\\PharUtils\\' => 15,
            'Seld\\JsonLint\\' => 14,
        ),
        'P' => 
        array (
            'Psr\\Log\\' => 8,
            'Peast\\test\\' => 11,
            'Peast\\' => 6,
            'PHPCompatibility\\' => 17,
        ),
        'M' => 
        array (
            'Mustangostang\\' => 14,
        ),
        'J' => 
        array (
            'JsonSchema\\' => 11,
            'JakubOnderka\\PhpConsoleColor\\' => 29,
        ),
        'G' => 
        array (
            'Gettext\\Languages\\' => 18,
            'Gettext\\' => 8,
        ),
        'D' => 
        array (
            'Doctrine\\Instantiator\\' => 22,
            'Dealerdirect\\Composer\\Plugin\\Installers\\PHPCodeSniffer\\' => 55,
        ),
        'C' => 
        array (
            'Composer\\XdebugHandler\\' => 23,
            'Composer\\Spdx\\' => 14,
            'Composer\\Semver\\' => 16,
            'Composer\\CaBundle\\' => 18,
            'Composer\\' => 9,
        ),
    );

public static $prefixDirsPsr4 = array (
        'WP_CLI\\Maintenance\\' => 
        array (
            0 => __DIR__ . '/../..' . '/utils/maintenance',
        ),
        'WP_CLI\\I18n\\' => 
        array (
            0 => __DIR__ . '/..' . '/wp-cli/i18n-command/src',
        ),
        'WP_CLI\\Embeds\\' => 
        array (
            0 => __DIR__ . '/..' . '/wp-cli/embed-command/src',
        ),
        'WP_CLI\\' => 
        array (
            0 => __DIR__ . '/..' . '/wp-cli/entity-command/src/WP_CLI',
            1 => __DIR__ . '/..' . '/wp-cli/shell-command/src/WP_CLI',
        ),
        'Symfony\\Polyfill\\Mbstring\\' => 
        array (
            0 => __DIR__ . '/..' . '/symfony/polyfill-mbstring',
        ),
        'Symfony\\Polyfill\\Ctype\\' => 
        array (
            0 => __DIR__ . '/..' . '/symfony/polyfill-ctype',
        ),
        'Symfony\\Component\\Yaml\\' => 
        array (
            0 => __DIR__ . '/..' . '/symfony/yaml',
        ),
        'Symfony\\Component\\Translation\\' => 
        array (
            0 => __DIR__ . '/..' . '/symfony/translation',
        ),
        'Symfony\\Component\\Process\\' => 
        array (
            0 => __DIR__ . '/..' . '/symfony/process',
        ),
        'Symfony\\Component\\Finder\\' => 
        array (
            0 => __DIR__ . '/..' . '/symfony/finder',
        ),
        'Symfony\\Component\\Filesystem\\' => 
        array (
            0 => __DIR__ . '/..' . '/symfony/filesystem',
        ),
        'Symfony\\Component\\EventDispatcher\\' => 
        array (
            0 => __DIR__ . '/..' . '/symfony/event-dispatcher',
        ),
        'Symfony\\Component\\DependencyInjection\\' => 
        array (
            0 => __DIR__ . '/..' . '/symfony/dependency-injection',
        ),
        'Symfony\\Component\\Debug\\' => 
        array (
            0 => __DIR__ . '/..' . '/symfony/debug',
        ),
        'Symfony\\Component\\Console\\' => 
        array (
            0 => __DIR__ . '/..' . '/symfony/console',
        ),
        'Symfony\\Component\\Config\\' => 
        array (
            0 => __DIR__ . '/..' . '/symfony/config',
        ),
        'Seld\\PharUtils\\' => 
        array (
            0 => __DIR__ . '/..' . '/seld/phar-utils/src',
        ),
        'Seld\\JsonLint\\' => 
        array (
            0 => __DIR__ . '/..' . '/seld/jsonlint/src/Seld/JsonLint',
        ),
        'Psr\\Log\\' => 
        array (
            0 => __DIR__ . '/..' . '/psr/log/Psr/Log',
        ),
        'Peast\\test\\' => 
        array (
            0 => __DIR__ . '/..' . '/mck89/peast/test/Peast',
        ),
        'Peast\\' => 
        array (
            0 => __DIR__ . '/..' . '/mck89/peast/lib/Peast',
        ),
        'PHPCompatibility\\' => 
        array (
            0 => __DIR__ . '/..' . '/phpcompatibility/php-compatibility/PHPCompatibility',
        ),
        'Mustangostang\\' => 
        array (
            0 => __DIR__ . '/..' . '/wp-cli/mustangostang-spyc/src',
        ),
        'JsonSchema\\' => 
        array (
            0 => __DIR__ . '/..' . '/justinrainbow/json-schema/src/JsonSchema',
        ),
        'JakubOnderka\\PhpConsoleColor\\' => 
        array (
            0 => __DIR__ . '/..' . '/jakub-onderka/php-console-color/src',
        ),
        'Gettext\\Languages\\' => 
        array (
            0 => __DIR__ . '/..' . '/gettext/languages/src',
        ),
        'Gettext\\' => 
        array (
            0 => __DIR__ . '/..' . '/gettext/gettext/src',
        ),
        'Doctrine\\Instantiator\\' => 
        array (
            0 => __DIR__ . '/..' . '/doctrine/instantiator/src/Doctrine/Instantiator',
        ),
        'Dealerdirect\\Composer\\Plugin\\Installers\\PHPCodeSniffer\\' => 
        array (
        ),
        'Composer\\XdebugHandler\\' => 
        array (
            0 => __DIR__ . '/..' . '/composer/xdebug-handler/src',
        ),
        'Composer\\Spdx\\' => 
        array (
        ),
        'Composer\\Semver\\' => 
        array (
            0 => __DIR__ . '/..' . '/composer/semver/src',
        ),
        'Composer\\CaBundle\\' => 
        array (
            0 => __DIR__ . '/..' . '/composer/ca-bundle/src',
        ),
        'Composer\\' => 
        array (
            0 => __DIR__ . '/..' . '/composer/composer/src/Composer',
        ),
    );

public static $fallbackDirsPsr4 = array (
        0 => __DIR__ . '/..' . '/wp-cli/cache-command/src',
        1 => __DIR__ . '/..' . '/wp-cli/checksum-command/src',
        2 => __DIR__ . '/..' . '/wp-cli/config-command/src',
        3 => __DIR__ . '/..' . '/wp-cli/core-command/src',
        4 => __DIR__ . '/..' . '/wp-cli/cron-command/src',
        5 => __DIR__ . '/..' . '/wp-cli/db-command/src',
        6 => __DIR__ . '/..' . '/wp-cli/entity-command/src',
        7 => __DIR__ . '/..' . '/wp-cli/eval-command/src',
        8 => __DIR__ . '/..' . '/wp-cli/export-command/src',
        9 => __DIR__ . '/..' . '/wp-cli/extension-command/src',
        10 => __DIR__ . '/..' . '/wp-cli/import-command/src',
        11 => __DIR__ . '/..' . '/wp-cli/language-command/src',
        12 => __DIR__ . '/..' . '/wp-cli/media-command/src',
        13 => __DIR__ . '/..' . '/wp-cli/package-command/src',
        14 => __DIR__ . '/..' . '/wp-cli/rewrite-command/src',
        15 => __DIR__ . '/..' . '/wp-cli/role-command/src',
        16 => __DIR__ . '/..' . '/wp-cli/scaffold-command/src',
        17 => __DIR__ . '/..' . '/wp-cli/search-replace-command/src',
        18 => __DIR__ . '/..' . '/wp-cli/server-command/src',
        19 => __DIR__ . '/..' . '/wp-cli/shell-command/src',
        20 => __DIR__ . '/..' . '/wp-cli/super-admin-command/src',
        21 => __DIR__ . '/..' . '/wp-cli/widget-command/src',
    );

public static $prefixesPsr0 = array (
        'p' => 
        array (
            'phpDocumentor' => 
            array (
                0 => __DIR__ . '/..' . '/phpdocumentor/reflection-docblock/src',
            ),
        ),
        'c' => 
        array (
            'cli' => 
            array (
                0 => __DIR__ . '/..' . '/wp-cli/php-cli-tools/lib',
            ),
        ),
        'W' => 
        array (
            'WP_CLI' => 
            array (
                0 => __DIR__ . '/..' . '/wp-cli/wp-cli/php',
            ),
        ),
        'R' => 
        array (
            'Requests' => 
            array (
                0 => __DIR__ . '/..' . '/rmccue/requests/library',
            ),
        ),
        'P' => 
        array (
            'Prophecy\\' => 
            array (
                0 => __DIR__ . '/..' . '/phpspec/prophecy/src',
            ),
        ),
        'O' => 
        array (
            'Oxymel' => 
            array (
                0 => __DIR__ . '/..' . '/nb/oxymel',
            ),
        ),
        'M' => 
        array (
            'Mustache' => 
            array (
                0 => __DIR__ . '/..' . '/mustache/mustache/src',
            ),
        ),
        'J' => 
        array (
            'JakubOnderka\\PhpConsoleHighlighter' => 
            array (
                0 => __DIR__ . '/..' . '/jakub-onderka/php-console-highlighter/src',
            ),
        ),
        'B' => 
        array (
            'Behat\\Gherkin' => 
            array (
                0 => __DIR__ . '/..' . '/behat/gherkin/src',
            ),
            'Behat\\Behat' => 
            array (
                0 => __DIR__ . '/..' . '/behat/behat/src',
            ),
        ),
    );

public static $classMap = array (
        'ExampleClass' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/tests/skip-on-5.3/class.php',
        'ExampleTrait' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/tests/skip-on-5.3/trait.php',
        'JakubOnderka\\PhpParallelLint\\ArrayIterator' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/Settings.php',
        'JakubOnderka\\PhpParallelLint\\Blame' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/Error.php',
        'JakubOnderka\\PhpParallelLint\\ConsoleWriter' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/Output.php',
        'JakubOnderka\\PhpParallelLint\\Error' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/Error.php',
        'JakubOnderka\\PhpParallelLint\\ErrorFormatter' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/ErrorFormatter.php',
        'JakubOnderka\\PhpParallelLint\\Exception' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/exceptions.php',
        'JakubOnderka\\PhpParallelLint\\FileWriter' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/Output.php',
        'JakubOnderka\\PhpParallelLint\\IWriter' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/Output.php',
        'JakubOnderka\\PhpParallelLint\\InvalidArgumentException' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/exceptions.php',
        'JakubOnderka\\PhpParallelLint\\JsonOutput' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/Output.php',
        'JakubOnderka\\PhpParallelLint\\Manager' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/Manager.php',
        'JakubOnderka\\PhpParallelLint\\MultipleWriter' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/Output.php',
        'JakubOnderka\\PhpParallelLint\\NotExistsPathException' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/exceptions.php',
        'JakubOnderka\\PhpParallelLint\\NullWriter' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/Output.php',
        'JakubOnderka\\PhpParallelLint\\Output' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/Output.php',
        'JakubOnderka\\PhpParallelLint\\ParallelLint' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/ParallelLint.php',
        'JakubOnderka\\PhpParallelLint\\Process\\GitBlameProcess' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/Process/GitBlameProcess.php',
        'JakubOnderka\\PhpParallelLint\\Process\\LintProcess' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/Process/LintProcess.php',
        'JakubOnderka\\PhpParallelLint\\Process\\PhpExecutable' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/Process/PhpExecutable.php',
        'JakubOnderka\\PhpParallelLint\\Process\\PhpProcess' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/Process/PhpProcess.php',
        'JakubOnderka\\PhpParallelLint\\Process\\Process' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/Process/Process.php',
        'JakubOnderka\\PhpParallelLint\\Process\\SkipLintProcess' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/Process/SkipLintProcess.php',
        'JakubOnderka\\PhpParallelLint\\RecursiveDirectoryFilterIterator' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/Manager.php',
        'JakubOnderka\\PhpParallelLint\\Result' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/Result.php',
        'JakubOnderka\\PhpParallelLint\\RunTimeException' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/exceptions.php',
        'JakubOnderka\\PhpParallelLint\\Settings' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/Settings.php',
        'JakubOnderka\\PhpParallelLint\\SyntaxError' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/Error.php',
        'JakubOnderka\\PhpParallelLint\\TextOutput' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/Output.php',
        'JakubOnderka\\PhpParallelLint\\TextOutputColored' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/Output.php',
        'JsonSerializable' => __DIR__ . '/..' . '/jakub-onderka/php-parallel-lint/src/JsonSerializable.php',
        'SebastianBergmann\\Comparator\\ArrayComparator' => __DIR__ . '/..' . '/sebastian/comparator/src/ArrayComparator.php',
        'SebastianBergmann\\Comparator\\Comparator' => __DIR__ . '/..' . '/sebastian/comparator/src/Comparator.php',
        'SebastianBergmann\\Comparator\\ComparisonFailure' => __DIR__ . '/..' . '/sebastian/comparator/src/ComparisonFailure.php',
        'SebastianBergmann\\Comparator\\DOMNodeComparator' => __DIR__ . '/..' . '/sebastian/comparator/src/DOMNodeComparator.php',
        'SebastianBergmann\\Comparator\\DateTimeComparator' => __DIR__ . '/..' . '/sebastian/comparator/src/DateTimeComparator.php',
        'SebastianBergmann\\Comparator\\DoubleComparator' => __DIR__ . '/..' . '/sebastian/comparator/src/DoubleComparator.php',
        'SebastianBergmann\\Comparator\\ExceptionComparator' => __DIR__ . '/..' . '/sebastian/comparator/src/ExceptionComparator.php',
        'SebastianBergmann\\Comparator\\Factory' => __DIR__ . '/..' . '/sebastian/comparator/src/Factory.php',
        'SebastianBergmann\\Comparator\\MockObjectComparator' => __DIR__ . '/..' . '/sebastian/comparator/src/MockObjectComparator.php',
        'SebastianBergmann\\Comparator\\NumericComparator' => __DIR__ . '/..' . '/sebastian/comparator/src/NumericComparator.php',
        'SebastianBergmann\\Comparator\\ObjectComparator' => __DIR__ . '/..' . '/sebastian/comparator/src/ObjectComparator.php',
        'SebastianBergmann\\Comparator\\ResourceComparator' => __DIR__ . '/..' . '/sebastian/comparator/src/ResourceComparator.php',
        'SebastianBergmann\\Comparator\\ScalarComparator' => __DIR__ . '/..' . '/sebastian/comparator/src/ScalarComparator.php',
        'SebastianBergmann\\Comparator\\SplObjectStorageComparator' => __DIR__ . '/..' . '/sebastian/comparator/src/SplObjectStorageComparator.php',
        'SebastianBergmann\\Comparator\\TypeComparator' => __DIR__ . '/..' . '/sebastian/comparator/src/TypeComparator.php',
        'SebastianBergmann\\Diff\\Chunk' => __DIR__ . '/..' . '/sebastian/diff/src/Chunk.php',
        'SebastianBergmann\\Diff\\Diff' => __DIR__ . '/..' . '/sebastian/diff/src/Diff.php',
        'SebastianBergmann\\Diff\\Differ' => __DIR__ . '/..' . '/sebastian/diff/src/Differ.php',
        'SebastianBergmann\\Diff\\LCS\\LongestCommonSubsequence' => __DIR__ . '/..' . '/sebastian/diff/src/LCS/LongestCommonSubsequence.php',
        'SebastianBergmann\\Diff\\LCS\\MemoryEfficientImplementation' => __DIR__ . '/..' . '/sebastian/diff/src/LCS/MemoryEfficientLongestCommonSubsequenceImplementation.php',
        'SebastianBergmann\\Diff\\LCS\\TimeEfficientImplementation' => __DIR__ . '/..' . '/sebastian/diff/src/LCS/TimeEfficientLongestCommonSubsequenceImplementation.php',
        'SebastianBergmann\\Diff\\Line' => __DIR__ . '/..' . '/sebastian/diff/src/Line.php',
        'SebastianBergmann\\Diff\\Parser' => __DIR__ . '/..' . '/sebastian/diff/src/Parser.php',
        'SebastianBergmann\\Environment\\Console' => __DIR__ . '/..' . '/sebastian/environment/src/Console.php',
        'SebastianBergmann\\Environment\\Runtime' => __DIR__ . '/..' . '/sebastian/environment/src/Runtime.php',
        'SebastianBergmann\\Exporter\\Exporter' => __DIR__ . '/..' . '/sebastian/exporter/src/Exporter.php',
        'SebastianBergmann\\GlobalState\\Blacklist' => __DIR__ . '/..' . '/sebastian/global-state/src/Blacklist.php',
        'SebastianBergmann\\GlobalState\\CodeExporter' => __DIR__ . '/..' . '/sebastian/global-state/src/CodeExporter.php',
        'SebastianBergmann\\GlobalState\\Exception' => __DIR__ . '/..' . '/sebastian/global-state/src/Exception.php',
        'SebastianBergmann\\GlobalState\\Restorer' => __DIR__ . '/..' . '/sebastian/global-state/src/Restorer.php',
        'SebastianBergmann\\GlobalState\\RuntimeException' => __DIR__ . '/..' . '/sebastian/global-state/src/RuntimeException.php',
        'SebastianBergmann\\GlobalState\\Snapshot' => __DIR__ . '/..' . '/sebastian/global-state/src/Snapshot.php',
        'SebastianBergmann\\RecursionContext\\Context' => __DIR__ . '/..' . '/sebastian/recursion-context/src/Context.php',
        'SebastianBergmann\\RecursionContext\\Exception' => __DIR__ . '/..' . '/sebastian/recursion-context/src/Exception.php',
        'SebastianBergmann\\RecursionContext\\InvalidArgumentException' => __DIR__ . '/..' . '/sebastian/recursion-context/src/InvalidArgumentException.php',
        'SebastianBergmann\\Version' => __DIR__ . '/..' . '/sebastian/version/src/Version.php',
    );

public static function getInitializer(ClassLoader $loader)
    {
        return \Closure::bind(function () use ($loader) {
            $loader->prefixLengthsPsr4 = ComposerStaticInit755feccb8675069258c415b8c4b89bbf::$prefixLengthsPsr4;
            $loader->prefixDirsPsr4 = ComposerStaticInit755feccb8675069258c415b8c4b89bbf::$prefixDirsPsr4;
            $loader->fallbackDirsPsr4 = ComposerStaticInit755feccb8675069258c415b8c4b89bbf::$fallbackDirsPsr4;
            $loader->prefixesPsr0 = ComposerStaticInit755feccb8675069258c415b8c4b89bbf::$prefixesPsr0;
            $loader->classMap = ComposerStaticInit755feccb8675069258c415b8c4b89bbf::$classMap;

}, null, ClassLoader::class);
    }
}
<?php

/*
 * This file is part of Composer.
 *
 * (c) Nils Adermann <naderman@naderman.de>
 *     Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Composer\IO;

use Composer\Config;
use Composer\Util\ProcessExecutor;
use Psr\Log\LoggerInterface;
use Psr\Log\LogLevel;

abstract class BaseIO implements IOInterface, LoggerInterface
{
    protected $authentications = array();

/**
     * {@inheritDoc}
     */
    public function getAuthentications()
    {
        return $this->authentications;
    }

/**
     * {@inheritDoc}
     */
    public function hasAuthentication($repositoryName)
    {
        return isset($this->authentications[$repositoryName]);
    }

/**
     * {@inheritDoc}
     */
    public function getAuthentication($repositoryName)
    {
        if (isset($this->authentications[$repositoryName])) {
            return $this->authentications[$repositoryName];
        }

return array('username' => null, 'password' => null);
    }

/**
     * {@inheritDoc}
     */
    public function setAuthentication($repositoryName, $username, $password = null)
    {
        $this->authentications[$repositoryName] = array('username' => $username, 'password' => $password);
    }

/**
     * Check for overwrite and set the authentication information for the repository.
     *
     * @param string $repositoryName The unique name of repository
     * @param string $username       The username
     * @param string $password       The password
     */
    protected function checkAndSetAuthentication($repositoryName, $username, $password = null)
    {
        if ($this->hasAuthentication($repositoryName)) {
            $auth = $this->getAuthentication($repositoryName);
            if ($auth['username'] === $username && $auth['password'] === $password) {
                return;
            }

$this->writeError(
                sprintf(
                    "<warning>Warning: You should avoid overwriting already defined auth settings for %s.</warning>",
                    $repositoryName
                )
            );
        }
        $this->setAuthentication($repositoryName, $username, $password);
    }

/**
     * {@inheritDoc}
     */
    public function loadConfiguration(Config $config)
    {
        $bitbucketOauth = $config->get('bitbucket-oauth') ?: array();
        $githubOauth = $config->get('github-oauth') ?: array();
        $gitlabOauth = $config->get('gitlab-oauth') ?: array();
        $gitlabToken = $config->get('gitlab-token') ?: array();
        $httpBasic = $config->get('http-basic') ?: array();

// reload oauth tokens from config if available

foreach ($bitbucketOauth as $domain => $cred) {
            $this->checkAndSetAuthentication($domain, $cred['consumer-key'], $cred['consumer-secret']);
        }

foreach ($githubOauth as $domain => $token) {
            if (!preg_match('{^[.a-z0-9]+$}', $token)) {
                throw new \UnexpectedValueException('Your github oauth token for '.$domain.' contains invalid characters: "'.$token.'"');
            }
            $this->checkAndSetAuthentication($domain, $token, 'x-oauth-basic');
        }

foreach ($gitlabOauth as $domain => $token) {
            $this->checkAndSetAuthentication($domain, $token, 'oauth2');
        }

foreach ($gitlabToken as $domain => $token) {
            $this->checkAndSetAuthentication($domain, $token, 'private-token');
        }

// reload http basic credentials from config if available
        foreach ($httpBasic as $domain => $cred) {
            $this->checkAndSetAuthentication($domain, $cred['username'], $cred['password']);
        }

// setup process timeout
        ProcessExecutor::setTimeout((int) $config->get('process-timeout'));
    }

/**
     * System is unusable.
     *
     * @param  string $message
     * @param  array  $context
     * @return null
     */
    public function emergency($message, array $context = array())
    {
        return $this->log(LogLevel::EMERGENCY, $message, $context);
    }

/**
     * Action must be taken immediately.
     *
     * Example: Entire website down, database unavailable, etc. This should
     * trigger the SMS alerts and wake you up.
     *
     * @param  string $message
     * @param  array  $context
     * @return null
     */
    public function alert($message, array $context = array())
    {
        return $this->log(LogLevel::ALERT, $message, $context);
    }

/**
     * Critical conditions.
     *
     * Example: Application component unavailable, unexpected exception.
     *
     * @param  string $message
     * @param  array  $context
     * @return null
     */
    public function critical($message, array $context = array())
    {
        return $this->log(LogLevel::CRITICAL, $message, $context);
    }

/**
     * Runtime errors that do not require immediate action but should typically
     * be logged and monitored.
     *
     * @param  string $message
     * @param  array  $context
     * @return null
     */
    public function error($message, array $context = array())
    {
        return $this->log(LogLevel::ERROR, $message, $context);
    }

/**
     * Exceptional occurrences that are not errors.
     *
     * Example: Use of deprecated APIs, poor use of an API, undesirable things
     * that are not necessarily wrong.
     *
     * @param  string $message
     * @param  array  $context
     * @return null
     */
    public function warning($message, array $context = array())
    {
        return $this->log(LogLevel::WARNING, $message, $context);
    }

/**
     * Normal but significant events.
     *
     * @param  string $message
     * @param  array  $context
     * @return null
     */
    public function notice($message, array $context = array())
    {
        return $this->log(LogLevel::NOTICE, $message, $context);
    }

/**
     * Interesting events.
     *
     * Example: User logs in, SQL logs.
     *
     * @param  string $message
     * @param  array  $context
     * @return null
     */
    public function info($message, array $context = array())
    {
        return $this->log(LogLevel::INFO, $message, $context);
    }

/**
     * Detailed debug information.
     *
     * @param  string $message
     * @param  array  $context
     * @return null
     */
    public function debug($message, array $context = array())
    {
        return $this->log(LogLevel::DEBUG, $message, $context);
    }

/**
     * Logs with an arbitrary level.
     *
     * @param  mixed  $level
     * @param  string $message
     * @param  array  $context
     * @return null
     */
    public function log($level, $message, array $context = array())
    {
        if (in_array($level, array(LogLevel::EMERGENCY, LogLevel::ALERT, LogLevel::CRITICAL, LogLevel::ERROR))) {
            $this->writeError('<error>'.$message.'</error>', true, self::NORMAL);
        } elseif ($level === LogLevel::WARNING) {
            $this->writeError('<warning>'.$message.'</warning>', true, self::NORMAL);
        } elseif ($level === LogLevel::NOTICE) {
            $this->writeError('<info>'.$message.'</info>', true, self::VERBOSE);
        } elseif ($level === LogLevel::INFO) {
            $this->writeError('<info>'.$message.'</info>', true, self::VERY_VERBOSE);
        } else {
            $this->writeError($message, true, self::DEBUG);
        }
    }
}
<?php

namespace Composer\IO;

use Composer\Question\StrictConfirmationQuestion;
use Symfony\Component\Console\Helper\HelperSet;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\ConsoleOutputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Question\ChoiceQuestion;
use Symfony\Component\Console\Question\Question;

/**
 * The Input/Output helper.
 *
 * @author FranÃ§ois Pluchino <francois.pluchino@opendisplay.com>
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class ConsoleIO extends BaseIO
{
    /** @var InputInterface */
    protected $input;
    /** @var OutputInterface */
    protected $output;
    /** @var HelperSet */
    protected $helperSet;
    /** @var string */
    protected $lastMessage;
    /** @var string */
    protected $lastMessageErr;

/** @var float */
    private $startTime;
    /** @var array<int, int> */
    private $verbosityMap;

/**
     * Constructor.
     *
     * @param InputInterface  $input     The input instance
     * @param OutputInterface $output    The output instance
     * @param HelperSet       $helperSet The helperSet instance
     */
    public function __construct(InputInterface $input, OutputInterface $output, HelperSet $helperSet)
    {
        $this->input = $input;
        $this->output = $output;
        $this->helperSet = $helperSet;
        $this->verbosityMap = array(
            self::QUIET => OutputInterface::VERBOSITY_QUIET,
            self::NORMAL => OutputInterface::VERBOSITY_NORMAL,
            self::VERBOSE => OutputInterface::VERBOSITY_VERBOSE,
            self::VERY_VERBOSE => OutputInterface::VERBOSITY_VERY_VERBOSE,
            self::DEBUG => OutputInterface::VERBOSITY_DEBUG,
        );
    }

/**
     * @param float $startTime
     */
    public function enableDebugging($startTime)
    {
        $this->startTime = $startTime;
    }

/**
     * {@inheritDoc}
     */
    public function isInteractive()
    {
        return $this->input->isInteractive();
    }

/**
     * {@inheritDoc}
     */
    public function isDecorated()
    {
        return $this->output->isDecorated();
    }

/**
     * {@inheritDoc}
     */
    public function isVerbose()
    {
        return $this->output->getVerbosity() >= OutputInterface::VERBOSITY_VERBOSE;
    }

/**
     * {@inheritDoc}
     */
    public function isVeryVerbose()
    {
        return $this->output->getVerbosity() >= OutputInterface::VERBOSITY_VERY_VERBOSE;
    }

/**
     * {@inheritDoc}
     */
    public function isDebug()
    {
        return $this->output->getVerbosity() >= OutputInterface::VERBOSITY_DEBUG;
    }

/**
     * {@inheritDoc}
     */
    public function write($messages, $newline = true, $verbosity = self::NORMAL)
    {
        $this->doWrite($messages, $newline, false, $verbosity);
    }

/**
     * {@inheritDoc}
     */
    public function writeError($messages, $newline = true, $verbosity = self::NORMAL)
    {
        $this->doWrite($messages, $newline, true, $verbosity);
    }

/**
     * @param array|string $messages
     * @param bool         $newline
     * @param bool         $stderr
     * @param int          $verbosity
     */
    private function doWrite($messages, $newline, $stderr, $verbosity)
    {
        $sfVerbosity = $this->verbosityMap[$verbosity];
        if ($sfVerbosity > $this->output->getVerbosity()) {
            return;
        }

// hack to keep our usage BC with symfony<2.8 versions
        // this removes the quiet output but there is no way around it
        // see https://github.com/composer/composer/pull/4913
        if (OutputInterface::VERBOSITY_QUIET === 0) {
            $sfVerbosity = OutputInterface::OUTPUT_NORMAL;
        }

if (null !== $this->startTime) {
            $memoryUsage = memory_get_usage() / 1024 / 1024;
            $timeSpent = microtime(true) - $this->startTime;
            $messages = array_map(function ($message) use ($memoryUsage, $timeSpent) {
                return sprintf('[%.1fMB/%.2fs] %s', $memoryUsage, $timeSpent, $message);
            }, (array) $messages);
        }

if (true === $stderr && $this->output instanceof ConsoleOutputInterface) {
            $this->output->getErrorOutput()->write($messages, $newline, $sfVerbosity);
            $this->lastMessageErr = implode($newline ? "\n" : '', (array) $messages);

return;
        }

$this->output->write($messages, $newline, $sfVerbosity);
        $this->lastMessage = implode($newline ? "\n" : '', (array) $messages);
    }

/**
     * {@inheritDoc}
     */
    public function overwrite($messages, $newline = true, $size = null, $verbosity = self::NORMAL)
    {
        $this->doOverwrite($messages, $newline, $size, false, $verbosity);
    }

/**
     * {@inheritDoc}
     */
    public function overwriteError($messages, $newline = true, $size = null, $verbosity = self::NORMAL)
    {
        $this->doOverwrite($messages, $newline, $size, true, $verbosity);
    }

/**
     * @param array|string $messages
     * @param bool         $newline
     * @param int|null     $size
     * @param bool         $stderr
     * @param int          $verbosity
     */
    private function doOverwrite($messages, $newline, $size, $stderr, $verbosity)
    {
        // messages can be an array, let's convert it to string anyway
        $messages = implode($newline ? "\n" : '', (array) $messages);

// since overwrite is supposed to overwrite last message...
        if (!isset($size)) {
            // removing possible formatting of lastMessage with strip_tags
            $size = strlen(strip_tags($stderr ? $this->lastMessageErr : $this->lastMessage));
        }
        // ...let's fill its length with backspaces
        $this->doWrite(str_repeat("\x08", $size), false, $stderr, $verbosity);

// write the new message
        $this->doWrite($messages, false, $stderr, $verbosity);

// In cmd.exe on Win8.1 (possibly 10?), the line can not be cleared, so we need to
        // track the length of previous output and fill it with spaces to make sure the line is cleared.
        // See https://github.com/composer/composer/pull/5836 for more details
        $fill = $size - strlen(strip_tags($messages));
        if ($fill > 0) {
            // whitespace whatever has left
            $this->doWrite(str_repeat(' ', $fill), false, $stderr, $verbosity);
            // move the cursor back
            $this->doWrite(str_repeat("\x08", $fill), false, $stderr, $verbosity);
        }

if ($newline) {
            $this->doWrite('', true, $stderr, $verbosity);
        }

if ($stderr) {
            $this->lastMessageErr = $messages;
        } else {
            $this->lastMessage = $messages;
        }
    }

/**
     * {@inheritDoc}
     */
    public function ask($question, $default = null)
    {
        /** @var \Symfony\Component\Console\Helper\QuestionHelper $helper */
        $helper = $this->helperSet->get('question');
        $question = new Question($question, $default);

return $helper->ask($this->input, $this->getErrorOutput(), $question);
    }

/**
     * {@inheritDoc}
     */
    public function askConfirmation($question, $default = true)
    {
        /** @var \Symfony\Component\Console\Helper\QuestionHelper $helper */
        $helper = $this->helperSet->get('question');
        $question = new StrictConfirmationQuestion($question, $default);

return $helper->ask($this->input, $this->getErrorOutput(), $question);
    }

/**
     * {@inheritDoc}
     */
    public function askAndValidate($question, $validator, $attempts = null, $default = null)
    {
        /** @var \Symfony\Component\Console\Helper\QuestionHelper $helper */
        $helper = $this->helperSet->get('question');
        $question = new Question($question, $default);
        $question->setValidator($validator);
        $question->setMaxAttempts($attempts);

return $helper->ask($this->input, $this->getErrorOutput(), $question);
    }

/**
     * {@inheritDoc}
     */
    public function askAndHideAnswer($question)
    {
        /** @var \Symfony\Component\Console\Helper\QuestionHelper $helper */
        $helper = $this->helperSet->get('question');
        $question = new Question($question);
        $question->setHidden(true);

return $helper->ask($this->input, $this->getErrorOutput(), $question);
    }

/**
     * {@inheritDoc}
     */
    public function select($question, $choices, $default, $attempts = false, $errorMessage = 'Value "%s" is invalid', $multiselect = false)
    {
        /** @var \Symfony\Component\Console\Helper\QuestionHelper $helper */
        $helper = $this->helperSet->get('question');
        $question = new ChoiceQuestion($question, $choices, $default);
        $question->setMaxAttempts($attempts ?: null); // IOInterface requires false, and Question requires null or int
        $question->setErrorMessage($errorMessage);
        $question->setMultiselect($multiselect);

$result = $helper->ask($this->input, $this->getErrorOutput(), $question);

if (!is_array($result)) {
            return (string) array_search($result, $choices, true);
        }

$results = array();
        foreach ($choices as $index => $choice) {
            if (in_array($choice, $result, true)) {
                $results[] = (string) $index;
            }
        }

return $results;
    }

/**
     * @return OutputInterface
     */
    private function getErrorOutput()
    {
        if ($this->output instanceof ConsoleOutputInterface) {
            return $this->output->getErrorOutput();
        }

return $this->output;
    }
}
<?php

namespace Composer\IO;

use Composer\Config;

/**
 * The Input/Output helper interface.
 *
 * @author FranÃ§ois Pluchino <francois.pluchino@opendisplay.com>
 */
interface IOInterface
{
    const QUIET = 1;
    const NORMAL = 2;
    const VERBOSE = 4;
    const VERY_VERBOSE = 8;
    const DEBUG = 16;

/**
     * Is this input means interactive?
     *
     * @return bool
     */
    public function isInteractive();

/**
     * Is this output verbose?
     *
     * @return bool
     */
    public function isVerbose();

/**
     * Is the output very verbose?
     *
     * @return bool
     */
    public function isVeryVerbose();

/**
     * Is the output in debug verbosity?
     *
     * @return bool
     */
    public function isDebug();

/**
     * Is this output decorated?
     *
     * @return bool
     */
    public function isDecorated();

/**
     * Writes a message to the output.
     *
     * @param string|array $messages  The message as an array of lines or a single string
     * @param bool         $newline   Whether to add a newline or not
     * @param int          $verbosity Verbosity level from the VERBOSITY_* constants
     */
    public function write($messages, $newline = true, $verbosity = self::NORMAL);

/**
     * Writes a message to the error output.
     *
     * @param string|array $messages  The message as an array of lines or a single string
     * @param bool         $newline   Whether to add a newline or not
     * @param int          $verbosity Verbosity level from the VERBOSITY_* constants
     */
    public function writeError($messages, $newline = true, $verbosity = self::NORMAL);

/**
     * Overwrites a previous message to the output.
     *
     * @param string|array $messages  The message as an array of lines or a single string
     * @param bool         $newline   Whether to add a newline or not
     * @param int          $size      The size of line
     * @param int          $verbosity Verbosity level from the VERBOSITY_* constants
     */
    public function overwrite($messages, $newline = true, $size = null, $verbosity = self::NORMAL);

/**
     * Overwrites a previous message to the error output.
     *
     * @param string|array $messages  The message as an array of lines or a single string
     * @param bool         $newline   Whether to add a newline or not
     * @param int          $size      The size of line
     * @param int          $verbosity Verbosity level from the VERBOSITY_* constants
     */
    public function overwriteError($messages, $newline = true, $size = null, $verbosity = self::NORMAL);

/**
     * Asks a question to the user.
     *
     * @param string $question The question to ask
     * @param string $default  The default answer if none is given by the user
     *
     * @throws \RuntimeException If there is no data to read in the input stream
     * @return string            The user answer
     */
    public function ask($question, $default = null);

/**
     * Asks a confirmation to the user.
     *
     * The question will be asked until the user answers by nothing, yes, or no.
     *
     * @param string $question The question to ask
     * @param bool   $default  The default answer if the user enters nothing
     *
     * @return bool true if the user has confirmed, false otherwise
     */
    public function askConfirmation($question, $default = true);

/**
     * Asks for a value and validates the response.
     *
     * The validator receives the data to validate. It must return the
     * validated data when the data is valid and throw an exception
     * otherwise.
     *
     * @param string   $question  The question to ask
     * @param callable $validator A PHP callback
     * @param null|int $attempts  Max number of times to ask before giving up (default of null means infinite)
     * @param mixed    $default   The default answer if none is given by the user
     *
     * @throws \Exception When any of the validators return an error
     * @return mixed
     */
    public function askAndValidate($question, $validator, $attempts = null, $default = null);

/**
     * Asks a question to the user and hide the answer.
     *
     * @param string $question The question to ask
     *
     * @return string The answer
     */
    public function askAndHideAnswer($question);

/**
     * Asks the user to select a value.
     *
     * @param string      $question     The question to ask
     * @param array       $choices      List of choices to pick from
     * @param bool|string $default      The default answer if the user enters nothing
     * @param bool|int    $attempts     Max number of times to ask before giving up (false by default, which means infinite)
     * @param string      $errorMessage Message which will be shown if invalid value from choice list would be picked
     * @param bool        $multiselect  Select more than one value separated by comma
     *
     * @throws \InvalidArgumentException
     * @return int|string|array          The selected value or values (the key of the choices array)
     */
    public function select($question, $choices, $default, $attempts = false, $errorMessage = 'Value "%s" is invalid', $multiselect = false);

/**
     * Get all authentication information entered.
     *
     * @return array The map of authentication data
     */
    public function getAuthentications();

/**
     * Verify if the repository has a authentication information.
     *
     * @param string $repositoryName The unique name of repository
     *
     * @return bool
     */
    public function hasAuthentication($repositoryName);

/**
     * Get the username and password of repository.
     *
     * @param string $repositoryName The unique name of repository
     *
     * @return array The 'username' and 'password'
     */
    public function getAuthentication($repositoryName);

/**
     * Set the authentication information for the repository.
     *
     * @param string $repositoryName The unique name of repository
     * @param string $username       The username
     * @param string $password       The password
     */
    public function setAuthentication($repositoryName, $username, $password = null);

/**
     * Loads authentications from a config instance
     *
     * @param Config $config
     */
    public function loadConfiguration(Config $config);
}
<?php

namespace Composer\IO;

use Symfony\Component\Console\Output\StreamOutput;
use Symfony\Component\Console\Formatter\OutputFormatterInterface;
use Symfony\Component\Console\Input\StringInput;
use Symfony\Component\Console\Helper\HelperSet;

/**
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class BufferIO extends ConsoleIO
{
    /**
     * @param string                        $input
     * @param int                           $verbosity
     * @param OutputFormatterInterface|null $formatter
     */
    public function __construct($input = '', $verbosity = StreamOutput::VERBOSITY_NORMAL, OutputFormatterInterface $formatter = null)
    {
        $input = new StringInput($input);
        $input->setInteractive(false);

$output = new StreamOutput(fopen('php://memory', 'rw'), $verbosity, $formatter ? $formatter->isDecorated() : false, $formatter);

parent::__construct($input, $output, new HelperSet(array()));
    }

public function getOutput()
    {
        fseek($this->output->getStream(), 0);

$output = stream_get_contents($this->output->getStream());

$output = preg_replace_callback("{(?<=^|\n|\x08)(.+?)(\x08+)}", function ($matches) {
            $pre = strip_tags($matches[1]);

if (strlen($pre) === strlen($matches[2])) {
                return '';
            }

// TODO reverse parse the string, skipping span tags and \033\[([0-9;]+)m(.*?)\033\[0m style blobs
            return rtrim($matches[1])."\n";
        }, $output);

return $output;
    }
}
<?php

namespace Composer\IO;

/**
 * IOInterface that is not interactive and never writes the output
 *
 * @author Christophe Coevoet <stof@notk.org>
 */
class NullIO extends BaseIO
{
    /**
     * {@inheritDoc}
     */
    public function isInteractive()
    {
        return false;
    }

/**
     * {@inheritDoc}
     */
    public function isVerbose()
    {
        return false;
    }

/**
     * {@inheritDoc}
     */
    public function isVeryVerbose()
    {
        return false;
    }

/**
     * {@inheritDoc}
     */
    public function isDebug()
    {
        return false;
    }

/**
     * {@inheritDoc}
     */
    public function isDecorated()
    {
        return false;
    }

/**
     * {@inheritDoc}
     */
    public function write($messages, $newline = true, $verbosity = self::NORMAL)
    {
    }

/**
     * {@inheritDoc}
     */
    public function writeError($messages, $newline = true, $verbosity = self::NORMAL)
    {
    }

/**
     * {@inheritDoc}
     */
    public function overwrite($messages, $newline = true, $size = 80, $verbosity = self::NORMAL)
    {
    }

/**
     * {@inheritDoc}
     */
    public function overwriteError($messages, $newline = true, $size = 80, $verbosity = self::NORMAL)
    {
    }

/**
     * {@inheritDoc}
     */
    public function ask($question, $default = null)
    {
        return $default;
    }

/**
     * {@inheritDoc}
     */
    public function askConfirmation($question, $default = true)
    {
        return $default;
    }

/**
     * {@inheritDoc}
     */
    public function askAndValidate($question, $validator, $attempts = false, $default = null)
    {
        return $default;
    }

/**
     * {@inheritDoc}
     */
    public function askAndHideAnswer($question)
    {
        return null;
    }

/**
     * {@inheritDoc}
     */
    public function select($question, $choices, $default, $attempts = false, $errorMessage = 'Value "%s" is invalid', $multiselect = false)
    {
        return $default;
    }
}
<?php

namespace Composer\SelfUpdate;

use Composer\Util\RemoteFilesystem;
use Composer\Config;
use Composer\Json\JsonFile;

/**
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class Versions
{
    private $rfs;
    private $config;
    private $channel;

public function __construct(Config $config, RemoteFilesystem $rfs)
    {
        $this->rfs = $rfs;
        $this->config = $config;
    }

public function getChannel()
    {
        if ($this->channel) {
            return $this->channel;
        }

$channelFile = $this->config->get('home').'/update-channel';
        if (file_exists($channelFile)) {
            $channel = trim(file_get_contents($channelFile));
            if (in_array($channel, array('stable', 'preview', 'snapshot'), true)) {
                return $this->channel = $channel;
            }
        }

return $this->channel = 'stable';
    }

public function setChannel($channel)
    {
        if (!in_array($channel, array('stable', 'preview', 'snapshot'), true)) {
            throw new \InvalidArgumentException('Invalid channel '.$channel.', must be one of: stable, preview, snapshot');
        }

$channelFile = $this->config->get('home').'/update-channel';
        $this->channel = $channel;
        file_put_contents($channelFile, $channel.PHP_EOL);
    }

public function getLatest()
    {
        $protocol = extension_loaded('openssl') ? 'https' : 'http';
        $versions = JsonFile::parseJson($this->rfs->getContents('getcomposer.org', $protocol . '://getcomposer.org/versions', false));

foreach ($versions[$this->getChannel()] as $version) {
            if ($version['min-php'] <= PHP_VERSION_ID) {
                return $version;
            }
        }

throw new \LogicException('There is no version of Composer available for your PHP version ('.PHP_VERSION.')');
    }
}
<?php

namespace Composer\SelfUpdate;

/**
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class Keys
{
    public static function fingerprint($path)
    {
        $hash = strtoupper(hash('sha256', preg_replace('{\s}', '', file_get_contents($path))));

return implode(' ', array(
            substr($hash, 0, 8),
            substr($hash, 8, 8),
            substr($hash, 16, 8),
            substr($hash, 24, 8),
            '', // Extra space
            substr($hash, 32, 8),
            substr($hash, 40, 8),
            substr($hash, 48, 8),
            substr($hash, 56, 8),
        ));
    }
}
<?php

namespace Composer\Console;

use Symfony\Component\Console\Formatter\OutputFormatter;

/**
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class HtmlOutputFormatter extends OutputFormatter
{
    private static $availableForegroundColors = array(
        30 => 'black',
        31 => 'red',
        32 => 'green',
        33 => 'yellow',
        34 => 'blue',
        35 => 'magenta',
        36 => 'cyan',
        37 => 'white',
    );
    private static $availableBackgroundColors = array(
        40 => 'black',
        41 => 'red',
        42 => 'green',
        43 => 'yellow',
        44 => 'blue',
        45 => 'magenta',
        46 => 'cyan',
        47 => 'white',
    );
    private static $availableOptions = array(
        1 => 'bold',
        4 => 'underscore',
        //5 => 'blink',
        //7 => 'reverse',
        //8 => 'conceal'
    );

/**
     * @param array $styles Array of "name => FormatterStyle" instances
     */
    public function __construct(array $styles = array())
    {
        parent::__construct(true, $styles);
    }

public function format($message)
    {
        $formatted = parent::format($message);

$clearEscapeCodes = '(?:39|49|0|22|24|25|27|28)';

return preg_replace_callback("{\033\[([0-9;]+)m(.*?)\033\[(?:".$clearEscapeCodes.";)*?".$clearEscapeCodes."m}s", array($this, 'formatHtml'), $formatted);
    }

private function formatHtml($matches)
    {
        $out = '<span style="';
        foreach (explode(';', $matches[1]) as $code) {
            if (isset(self::$availableForegroundColors[$code])) {
                $out .= 'color:'.self::$availableForegroundColors[$code].';';
            } elseif (isset(self::$availableBackgroundColors[$code])) {
                $out .= 'background-color:'.self::$availableBackgroundColors[$code].';';
            } elseif (isset(self::$availableOptions[$code])) {
                switch (self::$availableOptions[$code]) {
                    case 'bold':
                        $out .= 'font-weight:bold;';
                        break;

case 'underscore':
                        $out .= 'text-decoration:underline;';
                        break;
                }
            }
        }

return $out.'">'.$matches[2].'</span>';
    }
}
<?php

namespace Composer\Console;

use Composer\IO\NullIO;
use Composer\Util\Platform;
use Composer\Util\Silencer;
use Symfony\Component\Console\Application as BaseApplication;
use Symfony\Component\Console\Exception\CommandNotFoundException;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
use Composer\Command;
use Composer\Composer;
use Composer\Factory;
use Composer\IO\IOInterface;
use Composer\IO\ConsoleIO;
use Composer\Json\JsonValidationException;
use Composer\Util\ErrorHandler;
use Composer\EventDispatcher\ScriptExecutionException;
use Composer\Exception\NoSslException;

/**
 * The console application that handles the commands
 *
 * @author Ryan Weaver <ryan@knplabs.com>
 * @author Jordi Boggiano <j.boggiano@seld.be>
 * @author FranÃ§ois Pluchino <francois.pluchino@opendisplay.com>
 */
class Application extends BaseApplication
{
    /**
     * @var Composer
     */
    protected $composer;

/**
     * @var IOInterface
     */
    protected $io;

private static $logo = '   ______
  / ____/___  ____ ___  ____  ____  ________  _____
 / /   / __ \/ __ `__ \/ __ \/ __ \/ ___/ _ \/ ___/
/ /___/ /_/ / / / / / / /_/ / /_/ (__  )  __/ /
\____/\____/_/ /_/ /_/ .___/\____/____/\___/_/
                    /_/
';

private $hasPluginCommands = false;
    private $disablePluginsByDefault = false;

public function __construct()
    {
        static $shutdownRegistered = false;

if (function_exists('ini_set') && extension_loaded('xdebug')) {
            ini_set('xdebug.show_exception_trace', false);
            ini_set('xdebug.scream', false);
        }

if (function_exists('date_default_timezone_set') && function_exists('date_default_timezone_get')) {
            date_default_timezone_set(Silencer::call('date_default_timezone_get'));
        }

if (!$shutdownRegistered) {
            $shutdownRegistered = true;

register_shutdown_function(function () {
                $lastError = error_get_last();

if ($lastError && $lastError['message'] &&
                   (strpos($lastError['message'], 'Allowed memory') !== false /*Zend PHP out of memory error*/ ||
                    strpos($lastError['message'], 'exceeded memory') !== false /*HHVM out of memory errors*/)) {
                    echo "\n". 'Check https://getcomposer.org/doc/articles/troubleshooting.md#memory-limit-errors for more info on how to handle out of memory errors.';
                }
            });
        }

$this->io = new NullIO();

parent::__construct('Composer', Composer::VERSION);
    }

/**
     * {@inheritDoc}
     */
    public function run(InputInterface $input = null, OutputInterface $output = null)
    {
        if (null === $output) {
            $output = Factory::createOutput();
        }

return parent::run($input, $output);
    }

/**
     * {@inheritDoc}
     */
    public function doRun(InputInterface $input, OutputInterface $output)
    {
        $this->disablePluginsByDefault = $input->hasParameterOption('--no-plugins');

$io = $this->io = new ConsoleIO($input, $output, $this->getHelperSet());
        ErrorHandler::register($io);

// switch working dir
        if ($newWorkDir = $this->getNewWorkingDir($input)) {
            $oldWorkingDir = getcwd();
            chdir($newWorkDir);
            $io->writeError('Changed CWD to ' . getcwd(), true, IOInterface::DEBUG);
        }

// determine command name to be executed without including plugin commands
        $commandName = '';
        if ($name = $this->getCommandName($input)) {
            try {
                $commandName = $this->find($name)->getName();
            } catch (CommandNotFoundException $e) {
              // we'll check command validity again later after plugins are loaded
              $commandName = false;
            } catch (\InvalidArgumentException $e) {
            }
        }

// prompt user for dir change if no composer.json is present in current dir
        if ($io->isInteractive() && !$newWorkDir && !in_array($commandName, array('', 'list', 'init', 'about', 'help', 'diagnose', 'self-update', 'global', 'create-project'), true) && !file_exists(Factory::getComposerFile())) {
            $dir = dirname(getcwd());
            $home = realpath(getenv('HOME') ?: getenv('USERPROFILE') ?: '/');

// abort when we reach the home dir or top of the filesystem
            while (dirname($dir) !== $dir && $dir !== $home) {
                if (file_exists($dir.'/'.Factory::getComposerFile())) {
                    if ($io->askConfirmation('<info>No composer.json in current directory, do you want to use the one at '.$dir.'?</info> [<comment>Y,n</comment>]? ', true)) {
                        $oldWorkingDir = getcwd();
                        chdir($dir);
                    }
                    break;
                }
                $dir = dirname($dir);
            }
        }

if (!$this->disablePluginsByDefault && !$this->hasPluginCommands && 'global' !== $commandName) {
            try {
                foreach ($this->getPluginCommands() as $command) {
                    if ($this->has($command->getName())) {
                        $io->writeError('<warning>Plugin command '.$command->getName().' ('.get_class($command).') would override a Composer command and has been skipped</warning>');
                    } else {
                        $this->add($command);
                    }
                }
            } catch (NoSslException $e) {
                // suppress these as they are not relevant at this point
            }

$this->hasPluginCommands = true;
        }

// determine command name to be executed incl plugin commands, and check if it's a proxy command
        $isProxyCommand = false;
        if ($name = $this->getCommandName($input)) {
            try {
                $command = $this->find($name);
                $commandName = $command->getName();
                $isProxyCommand = ($command instanceof Command\BaseCommand && $command->isProxyCommand());
            } catch (\InvalidArgumentException $e) {
            }
        }

if (!$isProxyCommand) {
            $io->writeError(sprintf(
                'Running %s (%s) with %s on %s',
                Composer::VERSION,
                Composer::RELEASE_DATE,
                defined('HHVM_VERSION') ? 'HHVM '.HHVM_VERSION : 'PHP '.PHP_VERSION,
                function_exists('php_uname') ? php_uname('s') . ' / ' . php_uname('r') : 'Unknown OS'
            ), true, IOInterface::DEBUG);

if (PHP_VERSION_ID < 50302) {
                $io->writeError('<warning>Composer only officially supports PHP 5.3.2 and above, you will most likely encounter problems with your PHP '.PHP_VERSION.', upgrading is strongly recommended.</warning>');
            }

if (extension_loaded('xdebug') && !getenv('COMPOSER_DISABLE_XDEBUG_WARN')) {
                $io->writeError('<warning>You are running composer with xdebug enabled. This has a major impact on runtime performance. See https://getcomposer.org/xdebug</warning>');
            }

if (defined('COMPOSER_DEV_WARNING_TIME') && $commandName !== 'self-update' && $commandName !== 'selfupdate' && time() > COMPOSER_DEV_WARNING_TIME) {
                $io->writeError(sprintf('<warning>Warning: This development build of composer is over 60 days old. It is recommended to update it by running "%s self-update" to get the latest version.</warning>', $_SERVER['PHP_SELF']));
            }

if (getenv('COMPOSER_NO_INTERACTION')) {
                $input->setInteractive(false);
            }

if (!Platform::isWindows() && function_exists('exec') && !getenv('COMPOSER_ALLOW_SUPERUSER')) {
                if (function_exists('posix_getuid') && posix_getuid() === 0) {
                    if ($commandName !== 'self-update' && $commandName !== 'selfupdate') {
                        $io->writeError('<warning>Do not run Composer as root/super user! See https://getcomposer.org/root for details</warning>');
                    }
                    if ($uid = (int) getenv('SUDO_UID')) {
                        // Silently clobber any sudo credentials on the invoking user to avoid privilege escalations later on
                        // ref. https://github.com/composer/composer/issues/5119
                        Silencer::call('exec', "sudo -u \\#{$uid} sudo -K > /dev/null 2>&1");
                    }
                }
                // Silently clobber any remaining sudo leases on the current user as well to avoid privilege escalations
                Silencer::call('exec', 'sudo -K > /dev/null 2>&1');
            }

// Check system temp folder for usability as it can cause weird runtime issues otherwise
            Silencer::call(function () use ($io) {
                $tempfile = sys_get_temp_dir() . '/temp-' . md5(microtime());
                if (!(file_put_contents($tempfile, __FILE__) && (file_get_contents($tempfile) == __FILE__) && unlink($tempfile) && !file_exists($tempfile))) {
                    $io->writeError(sprintf('<error>PHP temp directory (%s) does not exist or is not writable to Composer. Set sys_temp_dir in your php.ini</error>', sys_get_temp_dir()));
                }
            });

// add non-standard scripts as own commands
            $file = Factory::getComposerFile();
            if (is_file($file) && is_readable($file) && is_array($composer = json_decode(file_get_contents($file), true))) {
                if (isset($composer['scripts']) && is_array($composer['scripts'])) {
                    foreach ($composer['scripts'] as $script => $dummy) {
                        if (!defined('Composer\Script\ScriptEvents::'.str_replace('-', '_', strtoupper($script)))) {
                            if ($this->has($script)) {
                                $io->writeError('<warning>A script named '.$script.' would override a Composer command and has been skipped</warning>');
                            } else {
                                $description = null;

if (isset($composer['scripts-descriptions'][$script])) {
                                    $description = $composer['scripts-descriptions'][$script];
                                }

$this->add(new Command\ScriptAliasCommand($script, $description));
                            }
                        }
                    }
                }
            }
        }

try {
            if ($input->hasParameterOption('--profile')) {
                $startTime = microtime(true);
                $this->io->enableDebugging($startTime);
            }

$result = parent::doRun($input, $output);

if (isset($oldWorkingDir)) {
                chdir($oldWorkingDir);
            }

if (isset($startTime)) {
                $io->writeError('<info>Memory usage: '.round(memory_get_usage() / 1024 / 1024, 2).'MB (peak: '.round(memory_get_peak_usage() / 1024 / 1024, 2).'MB), time: '.round(microtime(true) - $startTime, 2).'s');
            }

restore_error_handler();

return $result;
        } catch (ScriptExecutionException $e) {
            return $e->getCode();
        } catch (\Exception $e) {
            $this->hintCommonErrors($e);
            restore_error_handler();
            throw $e;
        }
    }

/**
     * @param  InputInterface    $input
     * @throws \RuntimeException
     * @return string
     */
    private function getNewWorkingDir(InputInterface $input)
    {
        $workingDir = $input->getParameterOption(array('--working-dir', '-d'));
        if (false !== $workingDir && !is_dir($workingDir)) {
            throw new \RuntimeException('Invalid working directory specified, '.$workingDir.' does not exist.');
        }

return $workingDir;
    }

/**
     * {@inheritDoc}
     */
    private function hintCommonErrors($exception)
    {
        $io = $this->getIO();

Silencer::suppress();
        try {
            $composer = $this->getComposer(false, true);
            if ($composer) {
                $config = $composer->getConfig();

$minSpaceFree = 1024 * 1024;
                if ((($df = disk_free_space($dir = $config->get('home'))) !== false && $df < $minSpaceFree)
                    || (($df = disk_free_space($dir = $config->get('vendor-dir'))) !== false && $df < $minSpaceFree)
                    || (($df = disk_free_space($dir = sys_get_temp_dir())) !== false && $df < $minSpaceFree)
                ) {
                    $io->writeError('<error>The disk hosting '.$dir.' is full, this may be the cause of the following exception</error>', true, IOInterface::QUIET);
                }
            }
        } catch (\Exception $e) {
        }
        Silencer::restore();

if (Platform::isWindows() && false !== strpos($exception->getMessage(), 'The system cannot find the path specified')) {
            $io->writeError('<error>The following exception may be caused by a stale entry in your cmd.exe AutoRun</error>', true, IOInterface::QUIET);
            $io->writeError('<error>Check https://getcomposer.org/doc/articles/troubleshooting.md#-the-system-cannot-find-the-path-specified-windows- for details</error>', true, IOInterface::QUIET);
        }

if (false !== strpos($exception->getMessage(), 'fork failed - Cannot allocate memory')) {
            $io->writeError('<error>The following exception is caused by a lack of memory or swap, or not having swap configured</error>', true, IOInterface::QUIET);
            $io->writeError('<error>Check https://getcomposer.org/doc/articles/troubleshooting.md#proc-open-fork-failed-errors for details</error>', true, IOInterface::QUIET);
        }
    }

/**
     * @param  bool                    $required
     * @param  bool|null               $disablePlugins
     * @throws JsonValidationException
     * @return \Composer\Composer
     */
    public function getComposer($required = true, $disablePlugins = null)
    {
        if (null === $disablePlugins) {
            $disablePlugins = $this->disablePluginsByDefault;
        }

if (null === $this->composer) {
            try {
                $this->composer = Factory::create($this->io, null, $disablePlugins);
            } catch (\InvalidArgumentException $e) {
                if ($required) {
                    $this->io->writeError($e->getMessage());
                    exit(1);
                }
            } catch (JsonValidationException $e) {
                $errors = ' - ' . implode(PHP_EOL . ' - ', $e->getErrors());
                $message = $e->getMessage() . ':' . PHP_EOL . $errors;
                throw new JsonValidationException($message);
            }
        }

return $this->composer;
    }

/**
     * Removes the cached composer instance
     */
    public function resetComposer()
    {
        $this->composer = null;
    }

/**
     * @return IOInterface
     */
    public function getIO()
    {
        return $this->io;
    }

public function getHelp()
    {
        return self::$logo . parent::getHelp();
    }

/**
     * Initializes all the composer commands.
     */
    protected function getDefaultCommands()
    {
        $commands = array_merge(parent::getDefaultCommands(), array(
            new Command\AboutCommand(),
            new Command\ConfigCommand(),
            new Command\DependsCommand(),
            new Command\ProhibitsCommand(),
            new Command\InitCommand(),
            new Command\InstallCommand(),
            new Command\CreateProjectCommand(),
            new Command\UpdateCommand(),
            new Command\SearchCommand(),
            new Command\ValidateCommand(),
            new Command\ShowCommand(),
            new Command\SuggestsCommand(),
            new Command\RequireCommand(),
            new Command\DumpAutoloadCommand(),
            new Command\StatusCommand(),
            new Command\ArchiveCommand(),
            new Command\DiagnoseCommand(),
            new Command\RunScriptCommand(),
            new Command\LicensesCommand(),
            new Command\GlobalCommand(),
            new Command\ClearCacheCommand(),
            new Command\RemoveCommand(),
            new Command\HomeCommand(),
            new Command\ExecCommand(),
            new Command\OutdatedCommand(),
            new Command\CheckPlatformReqsCommand(),
        ));

if ('phar:' === substr(__FILE__, 0, 5)) {
            $commands[] = new Command\SelfUpdateCommand();
        }

return $commands;
    }

/**
     * {@inheritDoc}
     */
    public function getLongVersion()
    {
        if (Composer::BRANCH_ALIAS_VERSION) {
            return sprintf(
                '<info>%s</info> version <comment>%s (%s)</comment> %s',
                $this->getName(),
                Composer::BRANCH_ALIAS_VERSION,
                $this->getVersion(),
                Composer::RELEASE_DATE
            );
        }

return parent::getLongVersion() . ' ' . Composer::RELEASE_DATE;
    }

/**
     * {@inheritDoc}
     */
    protected function getDefaultInputDefinition()
    {
        $definition = parent::getDefaultInputDefinition();
        $definition->addOption(new InputOption('--profile', null, InputOption::VALUE_NONE, 'Display timing and memory usage information'));
        $definition->addOption(new InputOption('--no-plugins', null, InputOption::VALUE_NONE, 'Whether to disable plugins.'));
        $definition->addOption(new InputOption('--working-dir', '-d', InputOption::VALUE_REQUIRED, 'If specified, use the given directory as working directory.'));

return $definition;
    }

private function getPluginCommands()
    {
        $commands = array();

$composer = $this->getComposer(false, false);
        if (null === $composer) {
            $composer = Factory::createGlobal($this->io, false);
        }

if (null !== $composer) {
            $pm = $composer->getPluginManager();
            foreach ($pm->getPluginCapabilities('Composer\Plugin\Capability\CommandProvider', array('composer' => $composer, 'io' => $this->io)) as $capability) {
                $newCommands = $capability->getCommands();
                if (!is_array($newCommands)) {
                    throw new \UnexpectedValueException('Plugin capability '.get_class($capability).' failed to return an array from getCommands');
                }
                foreach ($newCommands as $command) {
                    if (!$command instanceof Command\BaseCommand) {
                        throw new \UnexpectedValueException('Plugin capability '.get_class($capability).' returned an invalid value, we expected an array of Composer\Command\BaseCommand objects');
                    }
                }
                $commands = array_merge($commands, $newCommands);
            }
        }

return $commands;
    }
}
<?php

namespace Composer\EventDispatcher;

/**
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class ScriptExecutionException extends \RuntimeException
{
}
<?php

namespace Composer\EventDispatcher;

/**
 * An EventSubscriber knows which events it is interested in.
 *
 * If an EventSubscriber is added to an EventDispatcher, the manager invokes
 * {@link getSubscribedEvents} and registers the subscriber as a listener for all
 * returned events.
 *
 * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
 * @author Jonathan Wage <jonwage@gmail.com>
 * @author Roman Borschel <roman@code-factory.org>
 * @author Bernhard Schussek <bschussek@gmail.com>
 */
interface EventSubscriberInterface
{
    /**
     * Returns an array of event names this subscriber wants to listen to.
     *
     * The array keys are event names and the value can be:
     *
     * * The method name to call (priority defaults to 0)
     * * An array composed of the method name to call and the priority
     * * An array of arrays composed of the method names to call and respective
     *   priorities, or 0 if unset
     *
     * For instance:
     *
     * * array('eventName' => 'methodName')
     * * array('eventName' => array('methodName', $priority))
     * * array('eventName' => array(array('methodName1', $priority), array('methodName2'))
     *
     * @return array The event names to listen to
     */
    public static function getSubscribedEvents();
}
<?php

namespace Composer\EventDispatcher;

use Composer\DependencyResolver\PolicyInterface;
use Composer\DependencyResolver\Pool;
use Composer\DependencyResolver\Request;
use Composer\Installer\InstallerEvent;
use Composer\IO\IOInterface;
use Composer\Composer;
use Composer\DependencyResolver\Operation\OperationInterface;
use Composer\Repository\CompositeRepository;
use Composer\Script;
use Composer\Installer\PackageEvent;
use Composer\Installer\BinaryInstaller;
use Composer\Util\ProcessExecutor;
use Composer\Script\Event as ScriptEvent;
use Symfony\Component\Process\PhpExecutableFinder;

/**
 * The Event Dispatcher.
 *
 * Example in command:
 *     $dispatcher = new EventDispatcher($this->getComposer(), $this->getApplication()->getIO());
 *     // ...
 *     $dispatcher->dispatch(ScriptEvents::POST_INSTALL_CMD);
 *     // ...
 *
 * @author FranÃ§ois Pluchino <francois.pluchino@opendisplay.com>
 * @author Jordi Boggiano <j.boggiano@seld.be>
 * @author Nils Adermann <naderman@naderman.de>
 */
class EventDispatcher
{
    protected $composer;
    protected $io;
    protected $loader;
    protected $process;
    protected $listeners;
    private $eventStack;

/**
     * Constructor.
     *
     * @param Composer        $composer The composer instance
     * @param IOInterface     $io       The IOInterface instance
     * @param ProcessExecutor $process
     */
    public function __construct(Composer $composer, IOInterface $io, ProcessExecutor $process = null)
    {
        $this->composer = $composer;
        $this->io = $io;
        $this->process = $process ?: new ProcessExecutor($io);
        $this->eventStack = array();
    }

/**
     * Dispatch an event
     *
     * @param  string $eventName An event name
     * @param  Event  $event
     * @return int    return code of the executed script if any, for php scripts a false return
     *                          value is changed to 1, anything else to 0
     */
    public function dispatch($eventName, Event $event = null)
    {
        if (null === $event) {
            $event = new Event($eventName);
        }

return $this->doDispatch($event);
    }

/**
     * Dispatch a script event.
     *
     * @param  string $eventName      The constant in ScriptEvents
     * @param  bool   $devMode
     * @param  array  $additionalArgs Arguments passed by the user
     * @param  array  $flags          Optional flags to pass data not as argument
     * @return int    return code of the executed script if any, for php scripts a false return
     *                               value is changed to 1, anything else to 0
     */
    public function dispatchScript($eventName, $devMode = false, $additionalArgs = array(), $flags = array())
    {
        return $this->doDispatch(new Script\Event($eventName, $this->composer, $this->io, $devMode, $additionalArgs, $flags));
    }

/**
     * Dispatch a package event.
     *
     * @param string              $eventName     The constant in PackageEvents
     * @param bool                $devMode       Whether or not we are in dev mode
     * @param PolicyInterface     $policy        The policy
     * @param Pool                $pool          The pool
     * @param CompositeRepository $installedRepo The installed repository
     * @param Request             $request       The request
     * @param array               $operations    The list of operations
     * @param OperationInterface  $operation     The package being installed/updated/removed
     *
     * @return int return code of the executed script if any, for php scripts a false return
     *             value is changed to 1, anything else to 0
     */
    public function dispatchPackageEvent($eventName, $devMode, PolicyInterface $policy, Pool $pool, CompositeRepository $installedRepo, Request $request, array $operations, OperationInterface $operation)
    {
        return $this->doDispatch(new PackageEvent($eventName, $this->composer, $this->io, $devMode, $policy, $pool, $installedRepo, $request, $operations, $operation));
    }

/**
     * Dispatch a installer event.
     *
     * @param string              $eventName     The constant in InstallerEvents
     * @param bool                $devMode       Whether or not we are in dev mode
     * @param PolicyInterface     $policy        The policy
     * @param Pool                $pool          The pool
     * @param CompositeRepository $installedRepo The installed repository
     * @param Request             $request       The request
     * @param array               $operations    The list of operations
     *
     * @return int return code of the executed script if any, for php scripts a false return
     *             value is changed to 1, anything else to 0
     */
    public function dispatchInstallerEvent($eventName, $devMode, PolicyInterface $policy, Pool $pool, CompositeRepository $installedRepo, Request $request, array $operations = array())
    {
        return $this->doDispatch(new InstallerEvent($eventName, $this->composer, $this->io, $devMode, $policy, $pool, $installedRepo, $request, $operations));
    }

/**
     * Triggers the listeners of an event.
     *
     * @param  Event                        $event The event object to pass to the event handlers/listeners.
     * @throws \RuntimeException|\Exception
     * @return int                          return code of the executed script if any, for php scripts a false return
     *                                            value is changed to 1, anything else to 0
     */
    protected function doDispatch(Event $event)
    {
        $pathStr = 'PATH';
        if (!isset($_SERVER[$pathStr]) && isset($_SERVER['Path'])) {
            $pathStr = 'Path';
        }

// add the bin dir to the PATH to make local binaries of deps usable in scripts
        $binDir = $this->composer->getConfig()->get('bin-dir');
        if (is_dir($binDir)) {
            $binDir = realpath($binDir);
            if (isset($_SERVER[$pathStr]) && !preg_match('{(^|'.PATH_SEPARATOR.')'.preg_quote($binDir).'($|'.PATH_SEPARATOR.')}', $_SERVER[$pathStr])) {
                $_SERVER[$pathStr] = $binDir.PATH_SEPARATOR.getenv($pathStr);
                putenv($pathStr.'='.$_SERVER[$pathStr]);
            }
        }

$listeners = $this->getListeners($event);

$this->pushEvent($event);

$return = 0;
        foreach ($listeners as $callable) {
            if (!is_string($callable)) {
                if (!is_callable($callable)) {
                    $className = is_object($callable[0]) ? get_class($callable[0]) : $callable[0];

throw new \RuntimeException('Subscriber '.$className.'::'.$callable[1].' for event '.$event->getName().' is not callable, make sure the function is defined and public');
                }
                $event = $this->checkListenerExpectedEvent($callable, $event);
                $return = false === call_user_func($callable, $event) ? 1 : 0;
            } elseif ($this->isComposerScript($callable)) {
                $this->io->writeError(sprintf('> %s: %s', $event->getName(), $callable), true, IOInterface::VERBOSE);

$script = explode(' ', substr($callable, 1));
                $scriptName = $script[0];
                unset($script[0]);

$args = array_merge($script, $event->getArguments());
                $flags = $event->getFlags();
                if (substr($callable, 0, 10) === '@composer ') {
                    $exec = $this->getPhpExecCommand() . ' ' . ProcessExecutor::escape(getenv('COMPOSER_BINARY')) . substr($callable, 9);
                    if (0 !== ($exitCode = $this->process->execute($exec))) {
                        $this->io->writeError(sprintf('<error>Script %s handling the %s event returned with error code '.$exitCode.'</error>', $callable, $event->getName()), true, IOInterface::QUIET);

throw new ScriptExecutionException('Error Output: '.$this->process->getErrorOutput(), $exitCode);
                    }
                } else {
                    if (!$this->getListeners(new Event($scriptName))) {
                        $this->io->writeError(sprintf('<warning>You made a reference to a non-existent script %s</warning>', $callable), true, IOInterface::QUIET);
                    }

try {
                        $return = $this->dispatch($scriptName, new Script\Event($scriptName, $event->getComposer(), $event->getIO(), $event->isDevMode(), $args, $flags));
                    } catch (ScriptExecutionException $e) {
                        $this->io->writeError(sprintf('<error>Script %s was called via %s</error>', $callable, $event->getName()), true, IOInterface::QUIET);
                        throw $e;
                    }
                }
            } elseif ($this->isPhpScript($callable)) {
                $className = substr($callable, 0, strpos($callable, '::'));
                $methodName = substr($callable, strpos($callable, '::') + 2);

if (!class_exists($className)) {
                    $this->io->writeError('<warning>Class '.$className.' is not autoloadable, can not call '.$event->getName().' script</warning>', true, IOInterface::QUIET);
                    continue;
                }
                if (!is_callable($callable)) {
                    $this->io->writeError('<warning>Method '.$callable.' is not callable, can not call '.$event->getName().' script</warning>', true, IOInterface::QUIET);
                    continue;
                }

try {
                    $return = false === $this->executeEventPhpScript($className, $methodName, $event) ? 1 : 0;
                } catch (\Exception $e) {
                    $message = "Script %s handling the %s event terminated with an exception";
                    $this->io->writeError('<error>'.sprintf($message, $callable, $event->getName()).'</error>', true, IOInterface::QUIET);
                    throw $e;
                }
            } else {
                $args = implode(' ', array_map(array('Composer\Util\ProcessExecutor', 'escape'), $event->getArguments()));
                $exec = $callable . ($args === '' ? '' : ' '.$args);
                if ($this->io->isVerbose()) {
                    $this->io->writeError(sprintf('> %s: %s', $event->getName(), $exec));
                } else {
                    $this->io->writeError(sprintf('> %s', $exec));
                }

$possibleLocalBinaries = $this->composer->getPackage()->getBinaries();
                if ($possibleLocalBinaries) {
                    foreach ($possibleLocalBinaries as $localExec) {
                        if (preg_match('{\b'.preg_quote($callable).'$}', $localExec)) {
                            $caller = BinaryInstaller::determineBinaryCaller($localExec);
                            $exec = preg_replace('{^'.preg_quote($callable).'}', $caller . ' ' . $localExec, $exec);
                            break;
                        }
                    }
                }

if (substr($exec, 0, 5) === '@php ') {
                    $exec = $this->getPhpExecCommand() . ' ' . substr($exec, 5);
                }

if (0 !== ($exitCode = $this->process->execute($exec))) {
                    $this->io->writeError(sprintf('<error>Script %s handling the %s event returned with error code '.$exitCode.'</error>', $callable, $event->getName()), true, IOInterface::QUIET);

throw new ScriptExecutionException('Error Output: '.$this->process->getErrorOutput(), $exitCode);
                }
            }

if ($event->isPropagationStopped()) {
                break;
            }
        }

$this->popEvent();

return $return;
    }

protected function getPhpExecCommand()
    {
        $finder = new PhpExecutableFinder();
        $phpPath = $finder->find(false);
        if (!$phpPath) {
            throw new \RuntimeException('Failed to locate PHP binary to execute '.$phpPath);
        }
        $phpArgs = $finder->findArguments();
        $phpArgs = $phpArgs ? ' ' . implode(' ', $phpArgs) : '';
        $allowUrlFOpenFlag = ' -d allow_url_fopen=' . ProcessExecutor::escape(ini_get('allow_url_fopen'));
        $disableFunctionsFlag = ' -d disable_functions=' . ProcessExecutor::escape(ini_get('disable_functions'));
        $memoryLimitFlag = ' -d memory_limit=' . ProcessExecutor::escape(ini_get('memory_limit'));

return ProcessExecutor::escape($phpPath) . $phpArgs . $allowUrlFOpenFlag . $disableFunctionsFlag . $memoryLimitFlag;
    }

/**
     * @param string $className
     * @param string $methodName
     * @param Event  $event      Event invoking the PHP callable
     */
    protected function executeEventPhpScript($className, $methodName, Event $event)
    {
        $event = $this->checkListenerExpectedEvent(array($className, $methodName), $event);

if ($this->io->isVerbose()) {
            $this->io->writeError(sprintf('> %s: %s::%s', $event->getName(), $className, $methodName));
        } else {
            $this->io->writeError(sprintf('> %s::%s', $className, $methodName));
        }

return $className::$methodName($event);
    }

/**
     * @param  mixed $target
     * @param  Event $event
     * @return Event
     */
    protected function checkListenerExpectedEvent($target, Event $event)
    {
        if (in_array($event->getName(), array(
            'init',
            'command',
            'pre-file-download',
        ), true)) {
            return $event;
        }

try {
            $reflected = new \ReflectionParameter($target, 0);
        } catch (\Exception $e) {
            return $event;
        }

$typehint = $reflected->getClass();

if (!$typehint instanceof \ReflectionClass) {
            return $event;
        }

$expected = $typehint->getName();

// BC support
        if (!$event instanceof $expected && $expected === 'Composer\Script\CommandEvent') {
            trigger_error('The callback '.$this->serializeCallback($target).' declared at '.$reflected->getDeclaringFunction()->getFileName().' accepts a '.$expected.' but '.$event->getName().' events use a '.get_class($event).' instance. Please adjust your type hint accordingly, see https://getcomposer.org/doc/articles/scripts.md#event-classes', E_USER_DEPRECATED);
            $event = new \Composer\Script\CommandEvent(
                $event->getName(),
                $event->getComposer(),
                $event->getIO(),
                $event->isDevMode(),
                $event->getArguments()
            );
        }
        if (!$event instanceof $expected && $expected === 'Composer\Script\PackageEvent') {
            trigger_error('The callback '.$this->serializeCallback($target).' declared at '.$reflected->getDeclaringFunction()->getFileName().' accepts a '.$expected.' but '.$event->getName().' events use a '.get_class($event).' instance. Please adjust your type hint accordingly, see https://getcomposer.org/doc/articles/scripts.md#event-classes', E_USER_DEPRECATED);
            $event = new \Composer\Script\PackageEvent(
                $event->getName(),
                $event->getComposer(),
                $event->getIO(),
                $event->isDevMode(),
                $event->getPolicy(),
                $event->getPool(),
                $event->getInstalledRepo(),
                $event->getRequest(),
                $event->getOperations(),
                $event->getOperation()
            );
        }
        if (!$event instanceof $expected && $expected === 'Composer\Script\Event') {
            trigger_error('The callback '.$this->serializeCallback($target).' declared at '.$reflected->getDeclaringFunction()->getFileName().' accepts a '.$expected.' but '.$event->getName().' events use a '.get_class($event).' instance. Please adjust your type hint accordingly, see https://getcomposer.org/doc/articles/scripts.md#event-classes', E_USER_DEPRECATED);
            $event = new \Composer\Script\Event(
                $event->getName(),
                $event->getComposer(),
                $event->getIO(),
                $event->isDevMode(),
                $event->getArguments(),
                $event->getFlags()
            );
        }

return $event;
    }

private function serializeCallback($cb)
    {
        if (is_array($cb) && count($cb) === 2) {
            if (is_object($cb[0])) {
                $cb[0] = get_class($cb[0]);
            }
            if (is_string($cb[0]) && is_string($cb[1])) {
                $cb = implode('::', $cb);
            }
        }
        if (is_string($cb)) {
            return $cb;
        }

return var_export($cb, true);
    }

/**
     * Add a listener for a particular event
     *
     * @param string   $eventName The event name - typically a constant
     * @param callable $listener  A callable expecting an event argument
     * @param int      $priority  A higher value represents a higher priority
     */
    public function addListener($eventName, $listener, $priority = 0)
    {
        $this->listeners[$eventName][$priority][] = $listener;
    }

/**
     * Adds object methods as listeners for the events in getSubscribedEvents
     *
     * @see EventSubscriberInterface
     *
     * @param EventSubscriberInterface $subscriber
     */
    public function addSubscriber(EventSubscriberInterface $subscriber)
    {
        foreach ($subscriber->getSubscribedEvents() as $eventName => $params) {
            if (is_string($params)) {
                $this->addListener($eventName, array($subscriber, $params));
            } elseif (is_string($params[0])) {
                $this->addListener($eventName, array($subscriber, $params[0]), isset($params[1]) ? $params[1] : 0);
            } else {
                foreach ($params as $listener) {
                    $this->addListener($eventName, array($subscriber, $listener[0]), isset($listener[1]) ? $listener[1] : 0);
                }
            }
        }
    }

/**
     * Retrieves all listeners for a given event
     *
     * @param  Event $event
     * @return array All listeners: callables and scripts
     */
    protected function getListeners(Event $event)
    {
        $scriptListeners = $this->getScriptListeners($event);

if (!isset($this->listeners[$event->getName()][0])) {
            $this->listeners[$event->getName()][0] = array();
        }
        krsort($this->listeners[$event->getName()]);

$listeners = $this->listeners;
        $listeners[$event->getName()][0] = array_merge($listeners[$event->getName()][0], $scriptListeners);

return call_user_func_array('array_merge', $listeners[$event->getName()]);
    }

/**
     * Checks if an event has listeners registered
     *
     * @param  Event $event
     * @return bool
     */
    public function hasEventListeners(Event $event)
    {
        $listeners = $this->getListeners($event);

return count($listeners) > 0;
    }

/**
     * Finds all listeners defined as scripts in the package
     *
     * @param  Event $event Event object
     * @return array Listeners
     */
    protected function getScriptListeners(Event $event)
    {
        $package = $this->composer->getPackage();
        $scripts = $package->getScripts();

if (empty($scripts[$event->getName()])) {
            return array();
        }

if ($this->loader) {
            $this->loader->unregister();
        }

$generator = $this->composer->getAutoloadGenerator();
        if ($event instanceof ScriptEvent) {
            $generator->setDevMode($event->isDevMode());
        }

$packages = $this->composer->getRepositoryManager()->getLocalRepository()->getCanonicalPackages();
        $packageMap = $generator->buildPackageMap($this->composer->getInstallationManager(), $package, $packages);
        $map = $generator->parseAutoloads($packageMap, $package);
        $this->loader = $generator->createLoader($map);
        $this->loader->register();

return $scripts[$event->getName()];
    }

/**
     * Checks if string given references a class path and method
     *
     * @param  string $callable
     * @return bool
     */
    protected function isPhpScript($callable)
    {
        return false === strpos($callable, ' ') && false !== strpos($callable, '::');
    }

/**
     * Checks if string given references a composer run-script
     *
     * @param  string $callable
     * @return bool
     */
    protected function isComposerScript($callable)
    {
        return '@' === substr($callable, 0, 1) && '@php ' !== substr($callable, 0, 5);
    }

/**
     * Push an event to the stack of active event
     *
     * @param  Event             $event
     * @throws \RuntimeException
     * @return number
     */
    protected function pushEvent(Event $event)
    {
        $eventName = $event->getName();
        if (in_array($eventName, $this->eventStack)) {
            throw new \RuntimeException(sprintf("Circular call to script handler '%s' detected", $eventName));
        }

return array_push($this->eventStack, $eventName);
    }

/**
     * Pops the active event from the stack
     *
     * @return mixed
     */
    protected function popEvent()
    {
        return array_pop($this->eventStack);
    }
}
<?php

namespace Composer\EventDispatcher;

/**
 * The base event class
 *
 * @author Nils Adermann <naderman@naderman.de>
 */
class Event
{
    /**
     * @var string This event's name
     */
    protected $name;

/**
     * @var array Arguments passed by the user, these will be forwarded to CLI script handlers
     */
    protected $args;

/**
     * @var array Flags usable in PHP script handlers
     */
    protected $flags;

/**
     * @var bool Whether the event should not be passed to more listeners
     */
    private $propagationStopped = false;

/**
     * Constructor.
     *
     * @param string $name  The event name
     * @param array  $args  Arguments passed by the user
     * @param array  $flags Optional flags to pass data not as argument
     */
    public function __construct($name, array $args = array(), array $flags = array())
    {
        $this->name = $name;
        $this->args = $args;
        $this->flags = $flags;
    }

/**
     * Returns the event's name.
     *
     * @return string The event name
     */
    public function getName()
    {
        return $this->name;
    }

/**
     * Returns the event's arguments.
     *
     * @return array The event arguments
     */
    public function getArguments()
    {
        return $this->args;
    }

/**
     * Returns the event's flags.
     *
     * @return array The event flags
     */
    public function getFlags()
    {
        return $this->flags;
    }

/**
     * Checks if stopPropagation has been called
     *
     * @return bool Whether propagation has been stopped
     */
    public function isPropagationStopped()
    {
        return $this->propagationStopped;
    }

/**
     * Prevents the event from being passed to further listeners
     */
    public function stopPropagation()
    {
        $this->propagationStopped = true;
    }
}
<?php

namespace Composer\Config;

/**
 * Configuration Source Interface
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 * @author Beau Simensen <beau@dflydev.com>
 */
interface ConfigSourceInterface
{
    /**
     * Add a repository
     *
     * @param string $name   Name
     * @param array  $config Configuration
     */
    public function addRepository($name, $config);

/**
     * Remove a repository
     *
     * @param string $name
     */
    public function removeRepository($name);

/**
     * Add a config setting
     *
     * @param string $name  Name
     * @param string $value Value
     */
    public function addConfigSetting($name, $value);

/**
     * Remove a config setting
     *
     * @param string $name
     */
    public function removeConfigSetting($name);

/**
     * Add a property
     *
     * @param string $name  Name
     * @param string $value Value
     */
    public function addProperty($name, $value);

/**
     * Remove a property
     *
     * @param string $name
     */
    public function removeProperty($name);

/**
     * Add a package link
     *
     * @param string $type  Type (require, require-dev, provide, suggest, replace, conflict)
     * @param string $name  Name
     * @param string $value Value
     */
    public function addLink($type, $name, $value);

/**
     * Remove a package link
     *
     * @param string $type Type (require, require-dev, provide, suggest, replace, conflict)
     * @param string $name Name
     */
    public function removeLink($type, $name);

/**
     * Gives a user-friendly name to this source (file path or so)
     *
     * @return string
     */
    public function getName();
}
<?php

namespace Composer\Config;

use Composer\Json\JsonFile;
use Composer\Json\JsonManipulator;
use Composer\Util\Silencer;

/**
 * JSON Configuration Source
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 * @author Beau Simensen <beau@dflydev.com>
 */
class JsonConfigSource implements ConfigSourceInterface
{
    /**
     * @var JsonFile
     */
    private $file;

/**
     * @var bool
     */
    private $authConfig;

/**
     * Constructor
     *
     * @param JsonFile $file
     * @param bool     $authConfig
     */
    public function __construct(JsonFile $file, $authConfig = false)
    {
        $this->file = $file;
        $this->authConfig = $authConfig;
    }

/**
     * {@inheritdoc}
     */
    public function getName()
    {
        return $this->file->getPath();
    }

/**
     * {@inheritdoc}
     */
    public function addRepository($name, $config)
    {
        $this->manipulateJson('addRepository', $name, $config, function (&$config, $repo, $repoConfig) {
            // if converting from an array format to hashmap format, and there is a {"packagist.org":false} repo, we have
            // to convert it to "packagist.org": false key on the hashmap otherwise it fails schema validation
            if (isset($config['repositories'])) {
                foreach ($config['repositories'] as $index => $val) {
                    if ($index === $repo) {
                        continue;
                    }
                    if (is_numeric($index) && ($val === array('packagist' => false) || $val === array('packagist.org' => false))) {
                        unset($config['repositories'][$index]);
                        $config['repositories']['packagist.org'] = false;
                        break;
                    }
                }
            }

$config['repositories'][$repo] = $repoConfig;
        });
    }

/**
     * {@inheritdoc}
     */
    public function removeRepository($name)
    {
        $this->manipulateJson('removeRepository', $name, function (&$config, $repo) {
            unset($config['repositories'][$repo]);
        });
    }

/**
     * {@inheritdoc}
     */
    public function addConfigSetting($name, $value)
    {
        $authConfig = $this->authConfig;
        $this->manipulateJson('addConfigSetting', $name, $value, function (&$config, $key, $val) use ($authConfig) {
            if (preg_match('{^(bitbucket-oauth|github-oauth|gitlab-oauth|gitlab-token|http-basic|platform)\.}', $key)) {
                list($key, $host) = explode('.', $key, 2);
                if ($authConfig) {
                    $config[$key][$host] = $val;
                } else {
                    $config['config'][$key][$host] = $val;
                }
            } else {
                $config['config'][$key] = $val;
            }
        });
    }

/**
     * {@inheritdoc}
     */
    public function removeConfigSetting($name)
    {
        $authConfig = $this->authConfig;
        $this->manipulateJson('removeConfigSetting', $name, function (&$config, $key) use ($authConfig) {
            if (preg_match('{^(bitbucket-oauth|github-oauth|gitlab-oauth|gitlab-token|http-basic|platform)\.}', $key)) {
                list($key, $host) = explode('.', $key, 2);
                if ($authConfig) {
                    unset($config[$key][$host]);
                } else {
                    unset($config['config'][$key][$host]);
                }
            } else {
                unset($config['config'][$key]);
            }
        });
    }

/**
     * {@inheritdoc}
     */
    public function addProperty($name, $value)
    {
        $this->manipulateJson('addProperty', $name, $value, function (&$config, $key, $val) {
            if (substr($key, 0, 6) === 'extra.' || substr($key, 0, 8) === 'scripts.') {
                $bits = explode('.', $key);
                $last = array_pop($bits);
                $arr = &$config[reset($bits)];
                foreach ($bits as $bit) {
                    if (!isset($arr[$bit])) {
                        $arr[$bit] = array();
                    }
                    $arr = &$arr[$bit];
                }
                $arr[$last] = $val;
            } else {
                $config[$key] = $val;
            }
        });
    }

/**
     * {@inheritdoc}
     */
    public function removeProperty($name)
    {
        $authConfig = $this->authConfig;
        $this->manipulateJson('removeProperty', $name, function (&$config, $key) {
            if (substr($key, 0, 6) === 'extra.' || substr($key, 0, 8) === 'scripts.') {
                $bits = explode('.', $key);
                $last = array_pop($bits);
                $arr = &$config[reset($bits)];
                foreach ($bits as $bit) {
                    if (!isset($arr[$bit])) {
                        return;
                    }
                    $arr = &$arr[$bit];
                }
                unset($arr[$last]);
            } else {
                unset($config[$key]);
            }
        });
    }

/**
     * {@inheritdoc}
     */
    public function addLink($type, $name, $value)
    {
        $this->manipulateJson('addLink', $type, $name, $value, function (&$config, $type, $name, $value) {
            $config[$type][$name] = $value;
        });
    }

/**
     * {@inheritdoc}
     */
    public function removeLink($type, $name)
    {
        $this->manipulateJson('removeSubNode', $type, $name, function (&$config, $type, $name) {
            unset($config[$type][$name]);
        });
    }

protected function manipulateJson($method, $args, $fallback)
    {
        $args = func_get_args();
        // remove method & fallback
        array_shift($args);
        $fallback = array_pop($args);

if ($this->file->exists()) {
            if (!is_writable($this->file->getPath())) {
                throw new \RuntimeException(sprintf('The file "%s" is not writable.', $this->file->getPath()));
            }

if (!is_readable($this->file->getPath())) {
                throw new \RuntimeException(sprintf('The file "%s" is not readable.', $this->file->getPath()));
            }

$contents = file_get_contents($this->file->getPath());
        } elseif ($this->authConfig) {
            $contents = "{\n}\n";
        } else {
            $contents = "{\n    \"config\": {\n    }\n}\n";
        }

$manipulator = new JsonManipulator($contents);

$newFile = !$this->file->exists();

// override manipulator method for auth config files
        if ($this->authConfig && $method === 'addConfigSetting') {
            $method = 'addSubNode';
            list($mainNode, $name) = explode('.', $args[0], 2);
            $args = array($mainNode, $name, $args[1]);
        } elseif ($this->authConfig && $method === 'removeConfigSetting') {
            $method = 'removeSubNode';
            list($mainNode, $name) = explode('.', $args[0], 2);
            $args = array($mainNode, $name);
        }

// try to update cleanly
        if (call_user_func_array(array($manipulator, $method), $args)) {
            file_put_contents($this->file->getPath(), $manipulator->getContents());
        } else {
            // on failed clean update, call the fallback and rewrite the whole file
            $config = $this->file->read();
            $this->arrayUnshiftRef($args, $config);
            call_user_func_array($fallback, $args);
            $this->file->write($config);
        }

if ($newFile) {
            Silencer::call('chmod', $this->file->getPath(), 0600);
        }
    }

/**
     * Prepend a reference to an element to the beginning of an array.
     *
     * @param  array $array
     * @param  mixed $value
     * @return array
     */
    private function arrayUnshiftRef(&$array, &$value)
    {
        $return = array_unshift($array, '');
        $array[0] = &$value;

return $return;
    }
}
<?php

namespace Composer\Question;

use Symfony\Component\Console\Exception\InvalidArgumentException;
use Symfony\Component\Console\Question\Question;

/**
 * Represents a yes/no question
 * Enforces strict responses rather than non-standard answers counting as default
 * Based on Symfony\Component\Console\Question\ConfirmationQuestion
 *
 * @author Theo Tonge <theo@theotonge.co.uk>
 */
class StrictConfirmationQuestion extends Question
{
    private $trueAnswerRegex;
    private $falseAnswerRegex;

/**
     * Constructor.s
     *
     * @param string $question         The question to ask to the user
     * @param bool   $default          The default answer to return, true or false
     * @param string $trueAnswerRegex  A regex to match the "yes" answer
     * @param string $falseAnswerRegex A regex to match the "no" answer
     */
    public function __construct($question, $default = true, $trueAnswerRegex = '/^y(?:es)?$/i', $falseAnswerRegex = '/^no?$/i')
    {
        parent::__construct($question, (bool) $default);

$this->trueAnswerRegex = $trueAnswerRegex;
        $this->falseAnswerRegex = $falseAnswerRegex;
        $this->setNormalizer($this->getDefaultNormalizer());
        $this->setValidator($this->getDefaultValidator());
    }

/**
     * Returns the default answer normalizer.
     *
     * @return callable
     */
    private function getDefaultNormalizer()
    {
        $default = $this->getDefault();
        $trueRegex = $this->trueAnswerRegex;
        $falseRegex = $this->falseAnswerRegex;

return function ($answer) use ($default, $trueRegex, $falseRegex) {
            if (is_bool($answer)) {
                return $answer;
            }
            if (empty($answer) && !empty($default)) {
                return $default;
            }

if (preg_match($trueRegex, $answer)) {
                return true;
            }

if (preg_match($falseRegex, $answer)) {
                return false;
            }

return null;
        };
    }

/**
     * Returns the default answer validator.
     *
     * @return callable
     */
    private function getDefaultValidator()
    {
        return function ($answer) {
            if (!is_bool($answer)) {
                throw new InvalidArgumentException('Please answer yes, y, no, or n.');
            }

return $answer;
        };
    }
}
<?php

namespace Composer\Autoload;

use Composer\Config;
use Composer\EventDispatcher\EventDispatcher;
use Composer\Installer\InstallationManager;
use Composer\IO\IOInterface;
use Composer\Package\AliasPackage;
use Composer\Package\PackageInterface;
use Composer\Repository\InstalledRepositoryInterface;
use Composer\Util\Filesystem;
use Composer\Script\ScriptEvents;

/**
 * @author Igor Wiedler <igor@wiedler.ch>
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class AutoloadGenerator
{
    /**
     * @var EventDispatcher
     */
    private $eventDispatcher;

/**
     * @var IOInterface
     */
    private $io;

/**
     * @var bool
     */
    private $devMode = false;

/**
     * @var bool
     */
    private $classMapAuthoritative = false;

/**
     * @var bool
     */
    private $apcu = false;

/**
     * @var bool
     */
    private $runScripts = false;

public function __construct(EventDispatcher $eventDispatcher, IOInterface $io = null)
    {
        $this->eventDispatcher = $eventDispatcher;
        $this->io = $io;
    }

public function setDevMode($devMode = true)
    {
        $this->devMode = (bool) $devMode;
    }

/**
     * Whether or not generated autoloader considers the class map
     * authoritative.
     *
     * @param bool $classMapAuthoritative
     */
    public function setClassMapAuthoritative($classMapAuthoritative)
    {
        $this->classMapAuthoritative = (bool) $classMapAuthoritative;
    }

/**
     * Whether or not generated autoloader considers APCu caching.
     *
     * @param bool $apcu
     */
    public function setApcu($apcu)
    {
        $this->apcu = (bool) $apcu;
    }

/**
     * Set whether to run scripts or not
     *
     * @param bool $runScripts
     */
    public function setRunScripts($runScripts = true)
    {
        $this->runScripts = (bool) $runScripts;
    }

public function dump(Config $config, InstalledRepositoryInterface $localRepo, PackageInterface $mainPackage, InstallationManager $installationManager, $targetDir, $scanPsr0Packages = false, $suffix = '')
    {
        if ($this->classMapAuthoritative) {
            // Force scanPsr0Packages when classmap is authoritative
            $scanPsr0Packages = true;
        }
        if ($this->runScripts) {
            $this->eventDispatcher->dispatchScript(ScriptEvents::PRE_AUTOLOAD_DUMP, $this->devMode, array(), array(
                'optimize' => (bool) $scanPsr0Packages,
            ));
        }

$filesystem = new Filesystem();
        $filesystem->ensureDirectoryExists($config->get('vendor-dir'));
        // Do not remove double realpath() calls.
        // Fixes failing Windows realpath() implementation.
        // See https://bugs.php.net/bug.php?id=72738
        $basePath = $filesystem->normalizePath(realpath(realpath(getcwd())));
        $vendorPath = $filesystem->normalizePath(realpath(realpath($config->get('vendor-dir'))));
        $useGlobalIncludePath = (bool) $config->get('use-include-path');
        $prependAutoloader = $config->get('prepend-autoloader') === false ? 'false' : 'true';
        $targetDir = $vendorPath.'/'.$targetDir;
        $filesystem->ensureDirectoryExists($targetDir);

$vendorPathCode = $filesystem->findShortestPathCode(realpath($targetDir), $vendorPath, true);
        $vendorPathCode52 = str_replace('__DIR__', 'dirname(__FILE__)', $vendorPathCode);
        $vendorPathToTargetDirCode = $filesystem->findShortestPathCode($vendorPath, realpath($targetDir), true);

$appBaseDirCode = $filesystem->findShortestPathCode($vendorPath, $basePath, true);
        $appBaseDirCode = str_replace('__DIR__', '$vendorDir', $appBaseDirCode);

$namespacesFile = <<<EOF
<?php

// autoload_namespaces.php @generated by Composer

\$vendorDir = $vendorPathCode52;
\$baseDir = $appBaseDirCode;

return array(

EOF;

$psr4File = <<<EOF
<?php

// autoload_psr4.php @generated by Composer

\$vendorDir = $vendorPathCode52;
\$baseDir = $appBaseDirCode;

return array(

EOF;

// Collect information from all packages.
        $packageMap = $this->buildPackageMap($installationManager, $mainPackage, $localRepo->getCanonicalPackages());
        $autoloads = $this->parseAutoloads($packageMap, $mainPackage, $this->devMode === false);

// Process the 'psr-0' base directories.
        foreach ($autoloads['psr-0'] as $namespace => $paths) {
            $exportedPaths = array();
            foreach ($paths as $path) {
                $exportedPaths[] = $this->getPathCode($filesystem, $basePath, $vendorPath, $path);
            }
            $exportedPrefix = var_export($namespace, true);
            $namespacesFile .= "    $exportedPrefix => ";
            $namespacesFile .= "array(".implode(', ', $exportedPaths)."),\n";
        }
        $namespacesFile .= ");\n";

// Process the 'psr-4' base directories.
        foreach ($autoloads['psr-4'] as $namespace => $paths) {
            $exportedPaths = array();
            foreach ($paths as $path) {
                $exportedPaths[] = $this->getPathCode($filesystem, $basePath, $vendorPath, $path);
            }
            $exportedPrefix = var_export($namespace, true);
            $psr4File .= "    $exportedPrefix => ";
            $psr4File .= "array(".implode(', ', $exportedPaths)."),\n";
        }
        $psr4File .= ");\n";

$classmapFile = <<<EOF
<?php

// autoload_classmap.php @generated by Composer

\$vendorDir = $vendorPathCode52;
\$baseDir = $appBaseDirCode;

return array(

EOF;

// add custom psr-0 autoloading if the root package has a target dir
        $targetDirLoader = null;
        $mainAutoload = $mainPackage->getAutoload();
        if ($mainPackage->getTargetDir() && !empty($mainAutoload['psr-0'])) {
            $levels = substr_count($filesystem->normalizePath($mainPackage->getTargetDir()), '/') + 1;
            $prefixes = implode(', ', array_map(function ($prefix) {
                return var_export($prefix, true);
            }, array_keys($mainAutoload['psr-0'])));
            $baseDirFromTargetDirCode = $filesystem->findShortestPathCode($targetDir, $basePath, true);

$targetDirLoader = <<<EOF

public static function autoload(\$class)
    {
        \$dir = $baseDirFromTargetDirCode . '/';
        \$prefixes = array($prefixes);
        foreach (\$prefixes as \$prefix) {
            if (0 !== strpos(\$class, \$prefix)) {
                continue;
            }
            \$path = \$dir . implode('/', array_slice(explode('\\\\', \$class), $levels)).'.php';
            if (!\$path = stream_resolve_include_path(\$path)) {
                return false;
            }
            require \$path;

return true;
        }
    }

EOF;
        }

$blacklist = null;
        if (!empty($autoloads['exclude-from-classmap'])) {
            $blacklist = '{(' . implode('|', $autoloads['exclude-from-classmap']) . ')}';
        }

// flatten array
        $classMap = array();
        if ($scanPsr0Packages) {
            $namespacesToScan = array();

// Scan the PSR-0/4 directories for class files, and add them to the class map
            foreach (array('psr-0', 'psr-4') as $psrType) {
                foreach ($autoloads[$psrType] as $namespace => $paths) {
                    $namespacesToScan[$namespace][] = array('paths' => $paths, 'type' => $psrType);
                }
            }

krsort($namespacesToScan);

foreach ($namespacesToScan as $namespace => $groups) {
                foreach ($groups as $group) {
                    foreach ($group['paths'] as $dir) {
                        $dir = $filesystem->normalizePath($filesystem->isAbsolutePath($dir) ? $dir : $basePath.'/'.$dir);
                        if (!is_dir($dir)) {
                            continue;
                        }

$namespaceFilter = $namespace === '' ? null : $namespace;
                        $classMap = $this->addClassMapCode($filesystem, $basePath, $vendorPath, $dir, $blacklist, $namespaceFilter, $classMap);
                    }
                }
            }
        }

foreach ($autoloads['classmap'] as $dir) {
            $classMap = $this->addClassMapCode($filesystem, $basePath, $vendorPath, $dir, $blacklist, null, $classMap);
        }

ksort($classMap);
        foreach ($classMap as $class => $code) {
            $classmapFile .= '    '.var_export($class, true).' => '.$code;
        }
        $classmapFile .= ");\n";

if (!$suffix) {
            if (!$config->get('autoloader-suffix') && is_readable($vendorPath.'/autoload.php')) {
                $content = file_get_contents($vendorPath.'/autoload.php');
                if (preg_match('{ComposerAutoloaderInit([^:\s]+)::}', $content, $match)) {
                    $suffix = $match[1];
                }
            }

if (!$suffix) {
                $suffix = $config->get('autoloader-suffix') ?: md5(uniqid('', true));
            }
        }

file_put_contents($targetDir.'/autoload_namespaces.php', $namespacesFile);
        file_put_contents($targetDir.'/autoload_psr4.php', $psr4File);
        file_put_contents($targetDir.'/autoload_classmap.php', $classmapFile);
        $includePathFilePath = $targetDir.'/include_paths.php';
        if ($includePathFileContents = $this->getIncludePathsFile($packageMap, $filesystem, $basePath, $vendorPath, $vendorPathCode52, $appBaseDirCode)) {
            file_put_contents($includePathFilePath, $includePathFileContents);
        } elseif (file_exists($includePathFilePath)) {
            unlink($includePathFilePath);
        }
        $includeFilesFilePath = $targetDir.'/autoload_files.php';
        if ($includeFilesFileContents = $this->getIncludeFilesFile($autoloads['files'], $filesystem, $basePath, $vendorPath, $vendorPathCode52, $appBaseDirCode)) {
            file_put_contents($includeFilesFilePath, $includeFilesFileContents);
        } elseif (file_exists($includeFilesFilePath)) {
            unlink($includeFilesFilePath);
        }
        file_put_contents($targetDir.'/autoload_static.php', $this->getStaticFile($suffix, $targetDir, $vendorPath, $basePath, $staticPhpVersion));
        file_put_contents($vendorPath.'/autoload.php', $this->getAutoloadFile($vendorPathToTargetDirCode, $suffix));
        file_put_contents($targetDir.'/autoload_real.php', $this->getAutoloadRealFile(true, (bool) $includePathFileContents, $targetDirLoader, (bool) $includeFilesFileContents, $vendorPathCode, $appBaseDirCode, $suffix, $useGlobalIncludePath, $prependAutoloader, $staticPhpVersion));

$this->safeCopy(__DIR__.'/ClassLoader.php', $targetDir.'/ClassLoader.php');
        $this->safeCopy(__DIR__.'/../../../LICENSE', $targetDir.'/LICENSE');

if ($this->runScripts) {
            $this->eventDispatcher->dispatchScript(ScriptEvents::POST_AUTOLOAD_DUMP, $this->devMode, array(), array(
                'optimize' => (bool) $scanPsr0Packages,
            ));
        }

return count($classMap);
    }

private function addClassMapCode($filesystem, $basePath, $vendorPath, $dir, $blacklist = null, $namespaceFilter = null, array $classMap = array())
    {
        foreach ($this->generateClassMap($dir, $blacklist, $namespaceFilter) as $class => $path) {
            $pathCode = $this->getPathCode($filesystem, $basePath, $vendorPath, $path).",\n";
            if (!isset($classMap[$class])) {
                $classMap[$class] = $pathCode;
            } elseif ($this->io && $classMap[$class] !== $pathCode && !preg_match('{/(test|fixture|example|stub)s?/}i', strtr($classMap[$class].' '.$path, '\\', '/'))) {
                $this->io->writeError(
                    '<warning>Warning: Ambiguous class resolution, "'.$class.'"'.
                    ' was found in both "'.str_replace(array('$vendorDir . \'', "',\n"), array($vendorPath, ''), $classMap[$class]).'" and "'.$path.'", the first will be used.</warning>'
                );
            }
        }

return $classMap;
    }

private function generateClassMap($dir, $blacklist = null, $namespaceFilter = null, $showAmbiguousWarning = true)
    {
        return ClassMapGenerator::createMap($dir, $blacklist, $showAmbiguousWarning ? $this->io : null, $namespaceFilter);
    }

public function buildPackageMap(InstallationManager $installationManager, PackageInterface $mainPackage, array $packages)
    {
        // build package => install path map
        $packageMap = array(array($mainPackage, ''));

foreach ($packages as $package) {
            if ($package instanceof AliasPackage) {
                continue;
            }
            $this->validatePackage($package);

$packageMap[] = array(
                $package,
                $installationManager->getInstallPath($package),
            );
        }

return $packageMap;
    }

/**
     * @param PackageInterface $package
     *
     * @throws \InvalidArgumentException Throws an exception, if the package has illegal settings.
     */
    protected function validatePackage(PackageInterface $package)
    {
        $autoload = $package->getAutoload();
        if (!empty($autoload['psr-4']) && null !== $package->getTargetDir()) {
            $name = $package->getName();
            $package->getTargetDir();
            throw new \InvalidArgumentException("PSR-4 autoloading is incompatible with the target-dir property, remove the target-dir in package '$name'.");
        }
        if (!empty($autoload['psr-4'])) {
            foreach ($autoload['psr-4'] as $namespace => $dirs) {
                if ($namespace !== '' && '\\' !== substr($namespace, -1)) {
                    throw new \InvalidArgumentException("psr-4 namespaces must end with a namespace separator, '$namespace' does not, use '$namespace\\'.");
                }
            }
        }
    }

/**
     * Compiles an ordered list of namespace => path mappings
     *
     * @param  array            $packageMap  array of array(package, installDir-relative-to-composer.json)
     * @param  PackageInterface $mainPackage root package instance
     * @param  bool             $filterOutRequireDevPackages whether to filter out require-dev packages
     * @return array            array('psr-0' => array('Ns\\Foo' => array('installDir')))
     */
    public function parseAutoloads(array $packageMap, PackageInterface $mainPackage, $filterOutRequireDevPackages = false)
    {
        $mainPackageMap = array_shift($packageMap);
        if ($filterOutRequireDevPackages) {
            $packageMap = $this->filterPackageMap($packageMap, $mainPackage);
        }
        $sortedPackageMap = $this->sortPackageMap($packageMap);
        $sortedPackageMap[] = $mainPackageMap;
        array_unshift($packageMap, $mainPackageMap);

$psr0 = $this->parseAutoloadsType($packageMap, 'psr-0', $mainPackage);
        $psr4 = $this->parseAutoloadsType($packageMap, 'psr-4', $mainPackage);
        $classmap = $this->parseAutoloadsType(array_reverse($sortedPackageMap), 'classmap', $mainPackage);
        $files = $this->parseAutoloadsType($sortedPackageMap, 'files', $mainPackage);
        $exclude = $this->parseAutoloadsType($sortedPackageMap, 'exclude-from-classmap', $mainPackage);

krsort($psr0);
        krsort($psr4);

return array(
            'psr-0' => $psr0,
            'psr-4' => $psr4,
            'classmap' => $classmap,
            'files' => $files,
            'exclude-from-classmap' => $exclude,
        );
    }

/**
     * Registers an autoloader based on an autoload map returned by parseAutoloads
     *
     * @param  array       $autoloads see parseAutoloads return value
     * @return ClassLoader
     */
    public function createLoader(array $autoloads)
    {
        $loader = new ClassLoader();

if (isset($autoloads['psr-0'])) {
            foreach ($autoloads['psr-0'] as $namespace => $path) {
                $loader->add($namespace, $path);
            }
        }

if (isset($autoloads['psr-4'])) {
            foreach ($autoloads['psr-4'] as $namespace => $path) {
                $loader->addPsr4($namespace, $path);
            }
        }

if (isset($autoloads['classmap'])) {
            $blacklist = null;
            if (!empty($autoloads['exclude-from-classmap'])) {
                $blacklist = '{(' . implode('|', $autoloads['exclude-from-classmap']) . ')}';
            }

foreach ($autoloads['classmap'] as $dir) {
                try {
                    $loader->addClassMap($this->generateClassMap($dir, $blacklist, null, false));
                } catch (\RuntimeException $e) {
                    $this->io->writeError('<warning>'.$e->getMessage().'</warning>');
                }
            }
        }

return $loader;
    }

protected function getIncludePathsFile(array $packageMap, Filesystem $filesystem, $basePath, $vendorPath, $vendorPathCode, $appBaseDirCode)
    {
        $includePaths = array();

foreach ($packageMap as $item) {
            list($package, $installPath) = $item;

if (null !== $package->getTargetDir() && strlen($package->getTargetDir()) > 0) {
                $installPath = substr($installPath, 0, -strlen('/'.$package->getTargetDir()));
            }

foreach ($package->getIncludePaths() as $includePath) {
                $includePath = trim($includePath, '/');
                $includePaths[] = empty($installPath) ? $includePath : $installPath.'/'.$includePath;
            }
        }

if (!$includePaths) {
            return;
        }

$includePathsCode = '';
        foreach ($includePaths as $path) {
            $includePathsCode .= "    " . $this->getPathCode($filesystem, $basePath, $vendorPath, $path) . ",\n";
        }

return <<<EOF
<?php

// include_paths.php @generated by Composer

\$vendorDir = $vendorPathCode;
\$baseDir = $appBaseDirCode;

return array(
$includePathsCode);

EOF;
    }

protected function getIncludeFilesFile(array $files, Filesystem $filesystem, $basePath, $vendorPath, $vendorPathCode, $appBaseDirCode)
    {
        $filesCode = '';
        foreach ($files as $fileIdentifier => $functionFile) {
            $filesCode .= '    ' . var_export($fileIdentifier, true) . ' => '
                . $this->getPathCode($filesystem, $basePath, $vendorPath, $functionFile) . ",\n";
        }

if (!$filesCode) {
            return false;
        }

return <<<EOF
<?php

// autoload_files.php @generated by Composer

\$vendorDir = $vendorPathCode;
\$baseDir = $appBaseDirCode;

return array(
$filesCode);

EOF;
    }

protected function getPathCode(Filesystem $filesystem, $basePath, $vendorPath, $path)
    {
        if (!$filesystem->isAbsolutePath($path)) {
            $path = $basePath . '/' . $path;
        }
        $path = $filesystem->normalizePath($path);

$baseDir = '';
        if (strpos($path.'/', $vendorPath.'/') === 0) {
            $path = substr($path, strlen($vendorPath));
            $baseDir = '$vendorDir';

if ($path !== false) {
                $baseDir .= " . ";
            }
        } else {
            $path = $filesystem->normalizePath($filesystem->findShortestPath($basePath, $path, true));
            if (!$filesystem->isAbsolutePath($path)) {
                $baseDir = '$baseDir . ';
                $path = '/' . $path;
            }
        }

if (preg_match('/\.phar.+$/', $path)) {
            $baseDir = "'phar://' . " . $baseDir;
        }

return $baseDir . (($path !== false) ? var_export($path, true) : "");
    }

protected function getAutoloadFile($vendorPathToTargetDirCode, $suffix)
    {
        $lastChar = $vendorPathToTargetDirCode[strlen($vendorPathToTargetDirCode) - 1];
        if ("'" === $lastChar || '"' === $lastChar) {
            $vendorPathToTargetDirCode = substr($vendorPathToTargetDirCode, 0, -1).'/autoload_real.php'.$lastChar;
        } else {
            $vendorPathToTargetDirCode .= " . '/autoload_real.php'";
        }

return <<<AUTOLOAD
<?php

// autoload.php @generated by Composer

require_once $vendorPathToTargetDirCode;

return ComposerAutoloaderInit$suffix::getLoader();

AUTOLOAD;
    }

protected function getAutoloadRealFile($useClassMap, $useIncludePath, $targetDirLoader, $useIncludeFiles, $vendorPathCode, $appBaseDirCode, $suffix, $useGlobalIncludePath, $prependAutoloader, $staticPhpVersion = 70000)
    {
        $file = <<<HEADER
<?php

// autoload_real.php @generated by Composer

class ComposerAutoloaderInit$suffix
{
    private static \$loader;

public static function loadClassLoader(\$class)
    {
        if ('Composer\\Autoload\\ClassLoader' === \$class) {
            require __DIR__ . '/ClassLoader.php';
        }
    }

public static function getLoader()
    {
        if (null !== self::\$loader) {
            return self::\$loader;
        }

spl_autoload_register(array('ComposerAutoloaderInit$suffix', 'loadClassLoader'), true, $prependAutoloader);
        self::\$loader = \$loader = new \\Composer\\Autoload\\ClassLoader();
        spl_autoload_unregister(array('ComposerAutoloaderInit$suffix', 'loadClassLoader'));

HEADER;

if ($useIncludePath) {
            $file .= <<<'INCLUDE_PATH'
        $includePaths = require __DIR__ . '/include_paths.php';
        $includePaths[] = get_include_path();
        set_include_path(implode(PATH_SEPARATOR, $includePaths));

INCLUDE_PATH;
        }

$file .= <<<STATIC_INIT
        \$useStaticLoader = PHP_VERSION_ID >= $staticPhpVersion && !defined('HHVM_VERSION') && (!function_exists('zend_loader_file_encoded') || !zend_loader_file_encoded());
        if (\$useStaticLoader) {
            require_once __DIR__ . '/autoload_static.php';

call_user_func(\Composer\Autoload\ComposerStaticInit$suffix::getInitializer(\$loader));
        } else {

STATIC_INIT;

if (!$this->classMapAuthoritative) {
            $file .= <<<'PSR04'
            $map = require __DIR__ . '/autoload_namespaces.php';
            foreach ($map as $namespace => $path) {
                $loader->set($namespace, $path);
            }

$map = require __DIR__ . '/autoload_psr4.php';
            foreach ($map as $namespace => $path) {
                $loader->setPsr4($namespace, $path);
            }

PSR04;
        }

if ($useClassMap) {
            $file .= <<<'CLASSMAP'
            $classMap = require __DIR__ . '/autoload_classmap.php';
            if ($classMap) {
                $loader->addClassMap($classMap);
            }

CLASSMAP;
        }

$file .= "        }\n\n";

if ($this->classMapAuthoritative) {
            $file .= <<<'CLASSMAPAUTHORITATIVE'
        $loader->setClassMapAuthoritative(true);

CLASSMAPAUTHORITATIVE;
        }

if ($this->apcu) {
            $apcuPrefix = substr(base64_encode(md5(uniqid('', true), true)), 0, -3);
            $file .= <<<APCU
        \$loader->setApcuPrefix('$apcuPrefix');

APCU;
        }

if ($useGlobalIncludePath) {
            $file .= <<<'INCLUDEPATH'
        $loader->setUseIncludePath(true);

INCLUDEPATH;
        }

if ($targetDirLoader) {
            $file .= <<<REGISTER_TARGET_DIR_AUTOLOAD
        spl_autoload_register(array('ComposerAutoloaderInit$suffix', 'autoload'), true, true);

REGISTER_TARGET_DIR_AUTOLOAD;
        }

$file .= <<<REGISTER_LOADER
        \$loader->register($prependAutoloader);

REGISTER_LOADER;

if ($useIncludeFiles) {
            $file .= <<<INCLUDE_FILES
        if (\$useStaticLoader) {
            \$includeFiles = Composer\Autoload\ComposerStaticInit$suffix::\$files;
        } else {
            \$includeFiles = require __DIR__ . '/autoload_files.php';
        }
        foreach (\$includeFiles as \$fileIdentifier => \$file) {
            composerRequire$suffix(\$fileIdentifier, \$file);
        }

INCLUDE_FILES;
        }

$file .= <<<METHOD_FOOTER
        return \$loader;
    }

METHOD_FOOTER;

$file .= $targetDirLoader;

if ($useIncludeFiles) {
            return $file . <<<FOOTER
}

function composerRequire$suffix(\$fileIdentifier, \$file)
{
    if (empty(\$GLOBALS['__composer_autoload_files'][\$fileIdentifier])) {
        require \$file;

\$GLOBALS['__composer_autoload_files'][\$fileIdentifier] = true;
    }
}

FOOTER;
        }

return $file . <<<FOOTER
}

FOOTER;
    }

protected function getStaticFile($suffix, $targetDir, $vendorPath, $basePath, &$staticPhpVersion)
    {
        $staticPhpVersion = 50600;

$file = <<<HEADER
<?php

// autoload_static.php @generated by Composer

namespace Composer\Autoload;

class ComposerStaticInit$suffix
{

HEADER;

$loader = new ClassLoader();

$map = require $targetDir . '/autoload_namespaces.php';
        foreach ($map as $namespace => $path) {
            $loader->set($namespace, $path);
        }

$map = require $targetDir . '/autoload_psr4.php';
        foreach ($map as $namespace => $path) {
            $loader->setPsr4($namespace, $path);
        }

$classMap = require $targetDir . '/autoload_classmap.php';
        if ($classMap) {
            $loader->addClassMap($classMap);
        }

$filesystem = new Filesystem();

$vendorPathCode = ' => ' . $filesystem->findShortestPathCode(realpath($targetDir), $vendorPath, true, true) . " . '/";
        $appBaseDirCode = ' => ' . $filesystem->findShortestPathCode(realpath($targetDir), $basePath, true, true) . " . '/";

$absoluteVendorPathCode = ' => ' . substr(var_export(rtrim($vendorDir, '\\/') . '/', true), 0, -1);
        $absoluteAppBaseDirCode = ' => ' . substr(var_export(rtrim($baseDir, '\\/') . '/', true), 0, -1);

$initializer = '';
        $prefix = "\0Composer\Autoload\ClassLoader\0";
        $prefixLen = strlen($prefix);
        if (file_exists($targetDir . '/autoload_files.php')) {
            $maps = array('files' => require $targetDir . '/autoload_files.php');
        } else {
            $maps = array();
        }

foreach ((array) $loader as $prop => $value) {
            if ($value && 0 === strpos($prop, $prefix)) {
                $maps[substr($prop, $prefixLen)] = $value;
            }
        }

foreach ($maps as $prop => $value) {
            if (count($value) > 32767) {
                // Static arrays are limited to 32767 values on PHP 5.6
                // See https://bugs.php.net/68057
                $staticPhpVersion = 70000;
            }
            $value = var_export($value, true);
            $value = str_replace($absoluteVendorPathCode, $vendorPathCode, $value);
            $value = str_replace($absoluteAppBaseDirCode, $appBaseDirCode, $value);
            $value = ltrim(preg_replace('/^ */m', '    $0$0', $value));

$file .= sprintf("    public static $%s = %s;\n\n", $prop, $value);
            if ('files' !== $prop) {
                $initializer .= "            \$loader->$prop = ComposerStaticInit$suffix::\$$prop;\n";
            }
        }

return $file . <<<INITIALIZER
    public static function getInitializer(ClassLoader \$loader)
    {
        return \Closure::bind(function () use (\$loader) {
$initializer
        }, null, ClassLoader::class);
    }
}

INITIALIZER;
    }

protected function parseAutoloadsType(array $packageMap, $type, PackageInterface $mainPackage)
    {
        $autoloads = array();

foreach ($packageMap as $item) {
            list($package, $installPath) = $item;

$autoload = $package->getAutoload();
            if ($this->devMode && $package === $mainPackage) {
                $autoload = array_merge_recursive($autoload, $package->getDevAutoload());
            }

// skip misconfigured packages
            if (!isset($autoload[$type]) || !is_array($autoload[$type])) {
                continue;
            }
            if (null !== $package->getTargetDir() && $package !== $mainPackage) {
                $installPath = substr($installPath, 0, -strlen('/'.$package->getTargetDir()));
            }

foreach ($autoload[$type] as $namespace => $paths) {
                foreach ((array) $paths as $path) {
                    if (($type === 'files' || $type === 'classmap' || $type === 'exclude-from-classmap') && $package->getTargetDir() && !is_readable($installPath.'/'.$path)) {
                        // remove target-dir from file paths of the root package
                        if ($package === $mainPackage) {
                            $targetDir = str_replace('\\<dirsep\\>', '[\\\\/]', preg_quote(str_replace(array('/', '\\'), '<dirsep>', $package->getTargetDir())));
                            $path = ltrim(preg_replace('{^'.$targetDir.'}', '', ltrim($path, '\\/')), '\\/');
                        } else {
                            // add target-dir from file paths that don't have it
                            $path = $package->getTargetDir() . '/' . $path;
                        }
                    }

if ($type === 'exclude-from-classmap') {
                        // first escape user input
                        $path = preg_replace('{/+}', '/', preg_quote(trim(strtr($path, '\\', '/'), '/')));

// add support for wildcards * and **
                        $path = str_replace('\\*\\*', '.+?', $path);
                        $path = str_replace('\\*', '[^/]+?', $path);

// add support for up-level relative paths
                        $updir = null;
                        $path = preg_replace_callback(
                            '{^((?:(?:\\\\\\.){1,2}+/)+)}',
                            function ($matches) use (&$updir) {
                                if (isset($matches[1])) {
                                    // undo preg_quote for the matched string
                                    $updir = str_replace('\\.', '.', $matches[1]);
                                }

return '';
                            },
                            $path
                        );
                        if (empty($installPath)) {
                            $installPath = strtr(getcwd(), '\\', '/');
                        }

$resolvedPath = realpath($installPath . '/' . $updir);
                        $autoloads[] = preg_quote(strtr($resolvedPath, '\\', '/')) . '/' . $path;
                        continue;
                    }

$relativePath = empty($installPath) ? (empty($path) ? '.' : $path) : $installPath.'/'.$path;

if ($type === 'files') {
                        $autoloads[$this->getFileIdentifier($package, $path)] = $relativePath;
                        continue;
                    } elseif ($type === 'classmap') {
                        $autoloads[] = $relativePath;
                        continue;
                    }

$autoloads[$namespace][] = $relativePath;
                }
            }
        }

return $autoloads;
    }

protected function getFileIdentifier(PackageInterface $package, $path)
    {
        return md5($package->getName() . ':' . $path);
    }

/**
     * Filters out dev-dependencies
     *
     * @param  array            $packageMap
     * @param  PackageInterface $mainPackage
     * @return array
     */
    protected function filterPackageMap(array $packageMap, PackageInterface $mainPackage)
    {
        $packages = array();
        $include = array();

foreach ($packageMap as $item) {
            $package = $item[0];
            $name = $package->getName();
            $packages[$name] = $package;
        }

$add = function (PackageInterface $package) use (&$add, $packages, &$include) {
            foreach ($package->getRequires() as $link) {
                $target = $link->getTarget();
                if (!isset($include[$target])) {
                    $include[$target] = true;
                    if (isset($packages[$target])) {
                        $add($packages[$target]);
                    }
                }
            }
        };
        $add($mainPackage);

return array_filter(
            $packageMap,
            function ($item) use ($include) {
                $package = $item[0];
                $name = $package->getName();

return isset($include[$name]);
            }
        );
    }

/**
     * Sorts packages by dependency weight
     *
     * Packages of equal weight retain the original order
     *
     * @param  array $packageMap
     * @return array
     */
    protected function sortPackageMap(array $packageMap)
    {
        $packages = array();
        $paths = array();
        $usageList = array();

foreach ($packageMap as $item) {
            list($package, $path) = $item;
            $name = $package->getName();
            $packages[$name] = $package;
            $paths[$name] = $path;

foreach (array_merge($package->getRequires(), $package->getDevRequires()) as $link) {
                $target = $link->getTarget();
                $usageList[$target][] = $name;
            }
        }

$computing = array();
        $computed = array();
        $computeImportance = function ($name) use (&$computeImportance, &$computing, &$computed, $usageList) {
            // reusing computed importance
            if (isset($computed[$name])) {
                return $computed[$name];
            }

// canceling circular dependency
            if (isset($computing[$name])) {
                return 0;
            }

$computing[$name] = true;
            $weight = 0;

if (isset($usageList[$name])) {
                foreach ($usageList[$name] as $user) {
                    $weight -= 1 - $computeImportance($user);
                }
            }

unset($computing[$name]);
            $computed[$name] = $weight;

return $weight;
        };

$weightList = array();

foreach ($packages as $name => $package) {
            $weight = $computeImportance($name);
            $weightList[$name] = $weight;
        }

$stable_sort = function (&$array) {
            static $transform, $restore;

$i = 0;

if (!$transform) {
                $transform = function (&$v, $k) use (&$i) {
                    $v = array($v, ++$i, $k, $v);
                };

$restore = function (&$v, $k) {
                    $v = $v[3];
                };
            }

array_walk($array, $transform);
            asort($array);
            array_walk($array, $restore);
        };

$stable_sort($weightList);

$sortedPackageMap = array();

foreach (array_keys($weightList) as $name) {
            $sortedPackageMap[] = array($packages[$name], $paths[$name]);
        }

return $sortedPackageMap;
    }

/**
     * Copy file using stream_copy_to_stream to work around https://bugs.php.net/bug.php?id=6463
     *
     * @param string $source
     * @param string $target
     */
    protected function safeCopy($source, $target)
    {
        $source = fopen($source, 'r');
        $target = fopen($target, 'w+');

stream_copy_to_stream($source, $target);
        fclose($source);
        fclose($target);
    }
}
<?php

/*
 * This file is copied from the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 */

namespace Composer\Autoload;

use Symfony\Component\Finder\Finder;
use Composer\IO\IOInterface;
use Composer\Util\Filesystem;

/**
 * ClassMapGenerator
 *
 * @author Gyula Sallai <salla016@gmail.com>
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class ClassMapGenerator
{
    /**
     * Generate a class map file
     *
     * @param \Traversable $dirs Directories or a single path to search in
     * @param string       $file The name of the class map file
     */
    public static function dump($dirs, $file)
    {
        $maps = array();

foreach ($dirs as $dir) {
            $maps = array_merge($maps, static::createMap($dir));
        }

file_put_contents($file, sprintf('<?php return %s;', var_export($maps, true)));
    }

/**
     * Iterate over all files in the given directory searching for classes
     *
     * @param \Iterator|string $path      The path to search in or an iterator
     * @param string           $blacklist Regex that matches against the file path that exclude from the classmap.
     * @param IOInterface      $io        IO object
     * @param string           $namespace Optional namespace prefix to filter by
     *
     * @throws \RuntimeException When the path is neither an existing file nor directory
     * @return array             A class map array
     */
    public static function createMap($path, $blacklist = null, IOInterface $io = null, $namespace = null)
    {
        if (is_string($path)) {
            if (is_file($path)) {
                $path = array(new \SplFileInfo($path));
            } elseif (is_dir($path)) {
                $path = Finder::create()->files()->followLinks()->name('/\.(php|inc|hh)$/')->in($path);
            } else {
                throw new \RuntimeException(
                    'Could not scan for classes inside "'.$path.
                    '" which does not appear to be a file nor a folder'
                );
            }
        }

$map = array();
        $filesystem = new Filesystem();
        $cwd = realpath(getcwd());

foreach ($path as $file) {
            $filePath = $file->getPathname();
            if (!in_array(pathinfo($filePath, PATHINFO_EXTENSION), array('php', 'inc', 'hh'))) {
                continue;
            }

if (!$filesystem->isAbsolutePath($filePath)) {
                $filePath = $cwd . '/' . $filePath;
                $filePath = $filesystem->normalizePath($filePath);
            } else {
                $filePath = preg_replace('{[\\\\/]{2,}}', '/', $filePath);
            }

// check the realpath of the file against the blacklist as the path might be a symlink and the blacklist is realpath'd so symlink are resolved
            if ($blacklist && preg_match($blacklist, strtr(realpath($filePath), '\\', '/'))) {
                continue;
            }
            // check non-realpath of file for directories symlink in project dir
            if ($blacklist && preg_match($blacklist, strtr($filePath, '\\', '/'))) {
                continue;
            }

$classes = self::findClasses($filePath);

foreach ($classes as $class) {
                // skip classes not within the given namespace prefix
                if (null !== $namespace && 0 !== strpos($class, $namespace)) {
                    continue;
                }

if (!isset($map[$class])) {
                    $map[$class] = $filePath;
                } elseif ($io && $map[$class] !== $filePath && !preg_match('{/(test|fixture|example|stub)s?/}i', strtr($map[$class].' '.$filePath, '\\', '/'))) {
                    $io->writeError(
                        '<warning>Warning: Ambiguous class resolution, "'.$class.'"'.
                        ' was found in both "'.$map[$class].'" and "'.$filePath.'", the first will be used.</warning>'
                    );
                }
            }
        }

return $map;
    }

/**
     * Extract the classes in the given file
     *
     * @param  string            $path The file to check
     * @throws \RuntimeException
     * @return array             The found classes
     */
    private static function findClasses($path)
    {
        $extraTypes = PHP_VERSION_ID < 50400 ? '' : '|trait';
        if (defined('HHVM_VERSION') && version_compare(HHVM_VERSION, '3.3', '>=')) {
            $extraTypes .= '|enum';
        }

// Use @ here instead of Silencer to actively suppress 'unhelpful' output
        // @link https://github.com/composer/composer/pull/4886
        $contents = @php_strip_whitespace($path);
        if (!$contents) {
            if (!file_exists($path)) {
                $message = 'File at "%s" does not exist, check your classmap definitions';
            } elseif (!is_readable($path)) {
                $message = 'File at "%s" is not readable, check its permissions';
            } elseif ('' === trim(file_get_contents($path))) {
                // The input file was really empty and thus contains no classes
                return array();
            } else {
                $message = 'File at "%s" could not be parsed as PHP, it may be binary or corrupted';
            }
            $error = error_get_last();
            if (isset($error['message'])) {
                $message .= PHP_EOL . 'The following message may be helpful:' . PHP_EOL . $error['message'];
            }
            throw new \RuntimeException(sprintf($message, $path));
        }

// return early if there is no chance of matching anything in this file
        if (!preg_match('{\b(?:class|interface'.$extraTypes.')\s}i', $contents)) {
            return array();
        }

// strip heredocs/nowdocs
        $contents = preg_replace('{<<<\s*(\'?)(\w+)\\1(?:\r\n|\n|\r)(?:.*?)(?:\r\n|\n|\r)\\2(?=\r\n|\n|\r|;)}s', 'null', $contents);
        // strip strings
        $contents = preg_replace('{"[^"\\\\]*+(\\\\.[^"\\\\]*+)*+"|\'[^\'\\\\]*+(\\\\.[^\'\\\\]*+)*+\'}s', 'null', $contents);
        // strip leading non-php code if needed
        if (substr($contents, 0, 2) !== '<?') {
            $contents = preg_replace('{^.+?<\?}s', '<?', $contents, 1, $replacements);
            if ($replacements === 0) {
                return array();
            }
        }
        // strip non-php blocks in the file
        $contents = preg_replace('{\?>.+<\?}s', '?><?', $contents);
        // strip trailing non-php code if needed
        $pos = strrpos($contents, '?>');
        if (false !== $pos && false === strpos(substr($contents, $pos), '<?')) {
            $contents = substr($contents, 0, $pos);
        }
        // strip comments if short open tags are in the file
        if (preg_match('{(<\?)(?!(php|hh))}i', $contents)) {
            $contents = preg_replace('{//.* | /\*(?:[^*]++|\*(?!/))*\*/}x', '', $contents);
        }

preg_match_all('{
            (?:
                 \b(?<![\$:>])(?P<type>class|interface'.$extraTypes.') \s++ (?P<name>[a-zA-Z_\x7f-\xff:][a-zA-Z0-9_\x7f-\xff:\-]*+)
               | \b(?<![\$:>])(?P<ns>namespace) (?P<nsname>\s++[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+(?:\s*+\\\\\s*+[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+)*+)? \s*+ [\{;]
            )
        }ix', $contents, $matches);

$classes = array();
        $namespace = '';

for ($i = 0, $len = count($matches['type']); $i < $len; $i++) {
            if (!empty($matches['ns'][$i])) {
                $namespace = str_replace(array(' ', "\t", "\r", "\n"), '', $matches['nsname'][$i]) . '\\';
            } else {
                $name = $matches['name'][$i];
                // skip anon classes extending/implementing
                if ($name === 'extends' || $name === 'implements') {
                    continue;
                }
                if ($name[0] === ':') {
                    // This is an XHP class, https://github.com/facebook/xhp
                    $name = 'xhp'.substr(str_replace(array('-', ':'), array('_', '__'), $name), 1);
                } elseif ($matches['type'][$i] === 'enum') {
                    // In Hack, something like:
                    //   enum Foo: int { HERP = '123'; }
                    // The regex above captures the colon, which isn't part of
                    // the class name.
                    $name = rtrim($name, ':');
                }
                $classes[] = ltrim($namespace . $name, '\\');
            }
        }

return $classes;
    }
}
<?php

namespace Composer\Autoload;

/**
 * ClassLoader implements a PSR-0, PSR-4 and classmap class loader.
 *
 *     $loader = new \Composer\Autoload\ClassLoader();
 *
 *     // register classes with namespaces
 *     $loader->add('Symfony\Component', __DIR__.'/component');
 *     $loader->add('Symfony',           __DIR__.'/framework');
 *
 *     // activate the autoloader
 *     $loader->register();
 *
 *     // to enable searching the include path (eg. for PEAR packages)
 *     $loader->setUseIncludePath(true);
 *
 * In this example, if you try to use a class in the Symfony\Component
 * namespace or one of its children (Symfony\Component\Console for instance),
 * the autoloader will first look for the class under the component/
 * directory, and it will then fallback to the framework/ directory if not
 * found before giving up.
 *
 * This class is loosely based on the Symfony UniversalClassLoader.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 * @author Jordi Boggiano <j.boggiano@seld.be>
 * @see    http://www.php-fig.org/psr/psr-0/
 * @see    http://www.php-fig.org/psr/psr-4/
 */
class ClassLoader
{
    // PSR-4
    private $prefixLengthsPsr4 = array();
    private $prefixDirsPsr4 = array();
    private $fallbackDirsPsr4 = array();

// PSR-0
    private $prefixesPsr0 = array();
    private $fallbackDirsPsr0 = array();

private $useIncludePath = false;
    private $classMap = array();
    private $classMapAuthoritative = false;
    private $missingClasses = array();
    private $apcuPrefix;

public function getPrefixes()
    {
        if (!empty($this->prefixesPsr0)) {
            return call_user_func_array('array_merge', $this->prefixesPsr0);
        }

return array();
    }

public function getPrefixesPsr4()
    {
        return $this->prefixDirsPsr4;
    }

public function getFallbackDirs()
    {
        return $this->fallbackDirsPsr0;
    }

public function getFallbackDirsPsr4()
    {
        return $this->fallbackDirsPsr4;
    }

public function getClassMap()
    {
        return $this->classMap;
    }

/**
     * @param array $classMap Class to filename map
     */
    public function addClassMap(array $classMap)
    {
        if ($this->classMap) {
            $this->classMap = array_merge($this->classMap, $classMap);
        } else {
            $this->classMap = $classMap;
        }
    }

/**
     * Registers a set of PSR-0 directories for a given prefix, either
     * appending or prepending to the ones previously set for this prefix.
     *
     * @param string       $prefix  The prefix
     * @param array|string $paths   The PSR-0 root directories
     * @param bool         $prepend Whether to prepend the directories
     */
    public function add($prefix, $paths, $prepend = false)
    {
        if (!$prefix) {
            if ($prepend) {
                $this->fallbackDirsPsr0 = array_merge(
                    (array) $paths,
                    $this->fallbackDirsPsr0
                );
            } else {
                $this->fallbackDirsPsr0 = array_merge(
                    $this->fallbackDirsPsr0,
                    (array) $paths
                );
            }

return;
        }

$first = $prefix[0];
        if (!isset($this->prefixesPsr0[$first][$prefix])) {
            $this->prefixesPsr0[$first][$prefix] = (array) $paths;

return;
        }
        if ($prepend) {
            $this->prefixesPsr0[$first][$prefix] = array_merge(
                (array) $paths,
                $this->prefixesPsr0[$first][$prefix]
            );
        } else {
            $this->prefixesPsr0[$first][$prefix] = array_merge(
                $this->prefixesPsr0[$first][$prefix],
                (array) $paths
            );
        }
    }

/**
     * Registers a set of PSR-4 directories for a given namespace, either
     * appending or prepending to the ones previously set for this namespace.
     *
     * @param string       $prefix  The prefix/namespace, with trailing '\\'
     * @param array|string $paths   The PSR-4 base directories
     * @param bool         $prepend Whether to prepend the directories
     *
     * @throws \InvalidArgumentException
     */
    public function addPsr4($prefix, $paths, $prepend = false)
    {
        if (!$prefix) {
            // Register directories for the root namespace.
            if ($prepend) {
                $this->fallbackDirsPsr4 = array_merge(
                    (array) $paths,
                    $this->fallbackDirsPsr4
                );
            } else {
                $this->fallbackDirsPsr4 = array_merge(
                    $this->fallbackDirsPsr4,
                    (array) $paths
                );
            }
        } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
            // Register directories for a new namespace.
            $length = strlen($prefix);
            if ('\\' !== $prefix[$length - 1]) {
                throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
            }
            $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
            $this->prefixDirsPsr4[$prefix] = (array) $paths;
        } elseif ($prepend) {
            // Prepend directories for an already registered namespace.
            $this->prefixDirsPsr4[$prefix] = array_merge(
                (array) $paths,
                $this->prefixDirsPsr4[$prefix]
            );
        } else {
            // Append directories for an already registered namespace.
            $this->prefixDirsPsr4[$prefix] = array_merge(
                $this->prefixDirsPsr4[$prefix],
                (array) $paths
            );
        }
    }

/**
     * Registers a set of PSR-0 directories for a given prefix,
     * replacing any others previously set for this prefix.
     *
     * @param string       $prefix The prefix
     * @param array|string $paths  The PSR-0 base directories
     */
    public function set($prefix, $paths)
    {
        if (!$prefix) {
            $this->fallbackDirsPsr0 = (array) $paths;
        } else {
            $this->prefixesPsr0[$prefix[0]][$prefix] = (array) $paths;
        }
    }

/**
     * Registers a set of PSR-4 directories for a given namespace,
     * replacing any others previously set for this namespace.
     *
     * @param string       $prefix The prefix/namespace, with trailing '\\'
     * @param array|string $paths  The PSR-4 base directories
     *
     * @throws \InvalidArgumentException
     */
    public function setPsr4($prefix, $paths)
    {
        if (!$prefix) {
            $this->fallbackDirsPsr4 = (array) $paths;
        } else {
            $length = strlen($prefix);
            if ('\\' !== $prefix[$length - 1]) {
                throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
            }
            $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
            $this->prefixDirsPsr4[$prefix] = (array) $paths;
        }
    }

/**
     * Turns on searching the include path for class files.
     *
     * @param bool $useIncludePath
     */
    public function setUseIncludePath($useIncludePath)
    {
        $this->useIncludePath = $useIncludePath;
    }

/**
     * Can be used to check if the autoloader uses the include path to check
     * for classes.
     *
     * @return bool
     */
    public function getUseIncludePath()
    {
        return $this->useIncludePath;
    }

/**
     * Turns off searching the prefix and fallback directories for classes
     * that have not been registered with the class map.
     *
     * @param bool $classMapAuthoritative
     */
    public function setClassMapAuthoritative($classMapAuthoritative)
    {
        $this->classMapAuthoritative = $classMapAuthoritative;
    }

/**
     * Should class lookup fail if not found in the current class map?
     *
     * @return bool
     */
    public function isClassMapAuthoritative()
    {
        return $this->classMapAuthoritative;
    }

/**
     * APCu prefix to use to cache found/not-found classes, if the extension is enabled.
     *
     * @param string|null $apcuPrefix
     */
    public function setApcuPrefix($apcuPrefix)
    {
        $this->apcuPrefix = function_exists('apcu_fetch') && filter_var(ini_get('apc.enabled'), FILTER_VALIDATE_BOOLEAN) ? $apcuPrefix : null;
    }

/**
     * The APCu prefix in use, or null if APCu caching is not enabled.
     *
     * @return string|null
     */
    public function getApcuPrefix()
    {
        return $this->apcuPrefix;
    }

/**
     * Registers this instance as an autoloader.
     *
     * @param bool $prepend Whether to prepend the autoloader or not
     */
    public function register($prepend = false)
    {
        spl_autoload_register(array($this, 'loadClass'), true, $prepend);
    }

/**
     * Unregisters this instance as an autoloader.
     */
    public function unregister()
    {
        spl_autoload_unregister(array($this, 'loadClass'));
    }

/**
     * Loads the given class or interface.
     *
     * @param  string    $class The name of the class
     * @return bool|null True if loaded, null otherwise
     */
    public function loadClass($class)
    {
        if ($file = $this->findFile($class)) {
            includeFile($file);

return true;
        }
    }

/**
     * Finds the path to the file where the class is defined.
     *
     * @param string $class The name of the class
     *
     * @return string|false The path if found, false otherwise
     */
    public function findFile($class)
    {
        // class map lookup
        if (isset($this->classMap[$class])) {
            return $this->classMap[$class];
        }
        if ($this->classMapAuthoritative || isset($this->missingClasses[$class])) {
            return false;
        }
        if (null !== $this->apcuPrefix) {
            $file = apcu_fetch($this->apcuPrefix.$class, $hit);
            if ($hit) {
                return $file;
            }
        }

$file = $this->findFileWithExtension($class, '.php');

// Search for Hack files if we are running on HHVM
        if (false === $file && defined('HHVM_VERSION')) {
            $file = $this->findFileWithExtension($class, '.hh');
        }

if (null !== $this->apcuPrefix) {
            apcu_add($this->apcuPrefix.$class, $file);
        }

if (false === $file) {
            // Remember that this class does not exist.
            $this->missingClasses[$class] = true;
        }

return $file;
    }

private function findFileWithExtension($class, $ext)
    {
        // PSR-4 lookup
        $logicalPathPsr4 = strtr($class, '\\', DIRECTORY_SEPARATOR) . $ext;

$first = $class[0];
        if (isset($this->prefixLengthsPsr4[$first])) {
            $subPath = $class;
            while (false !== $lastPos = strrpos($subPath, '\\')) {
                $subPath = substr($subPath, 0, $lastPos);
                $search = $subPath . '\\';
                if (isset($this->prefixDirsPsr4[$search])) {
                    $pathEnd = DIRECTORY_SEPARATOR . substr($logicalPathPsr4, $lastPos + 1);
                    foreach ($this->prefixDirsPsr4[$search] as $dir) {
                        if (file_exists($file = $dir . $pathEnd)) {
                            return $file;
                        }
                    }
                }
            }
        }

// PSR-4 fallback dirs
        foreach ($this->fallbackDirsPsr4 as $dir) {
            if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr4)) {
                return $file;
            }
        }

// PSR-0 lookup
        if (false !== $pos = strrpos($class, '\\')) {
            // namespaced class name
            $logicalPathPsr0 = substr($logicalPathPsr4, 0, $pos + 1)
                . strtr(substr($logicalPathPsr4, $pos + 1), '_', DIRECTORY_SEPARATOR);
        } else {
            // PEAR-like class name
            $logicalPathPsr0 = strtr($class, '_', DIRECTORY_SEPARATOR) . $ext;
        }

if (isset($this->prefixesPsr0[$first])) {
            foreach ($this->prefixesPsr0[$first] as $prefix => $dirs) {
                if (0 === strpos($class, $prefix)) {
                    foreach ($dirs as $dir) {
                        if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) {
                            return $file;
                        }
                    }
                }
            }
        }

// PSR-0 fallback dirs
        foreach ($this->fallbackDirsPsr0 as $dir) {
            if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) {
                return $file;
            }
        }

// PSR-0 include paths.
        if ($this->useIncludePath && $file = stream_resolve_include_path($logicalPathPsr0)) {
            return $file;
        }

return false;
    }
}

/**
 * Scope isolated include.
 *
 * Prevents access to $this/self from included files.
 */
function includeFile($file)
{
    include $file;
}
<?php

namespace Composer;

use Symfony\Component\Console\Output\OutputInterface;

trigger_error('The ' . __NAMESPACE__ . '\XdebugHandler class is deprecated, use Composer\XdebugHandler\XdebugHandler instead,', E_USER_DEPRECATED);

/**
 * @deprecated use Composer\XdebugHandler\XdebugHandler instead
 */
class XdebugHandler extends XdebugHandler\XdebugHandler
{
    const ENV_ALLOW = 'COMPOSER_ALLOW_XDEBUG';
    const ENV_VERSION = 'COMPOSER_XDEBUG_VERSION';

public function __construct(OutputInterface $output)
    {
        parent::__construct('composer', '--ansi');
    }
}
<?php

namespace Composer;

use Composer\Autoload\AutoloadGenerator;
use Composer\DependencyResolver\DefaultPolicy;
use Composer\DependencyResolver\Operation\UpdateOperation;
use Composer\DependencyResolver\Operation\InstallOperation;
use Composer\DependencyResolver\Operation\UninstallOperation;
use Composer\DependencyResolver\Operation\MarkAliasUninstalledOperation;
use Composer\DependencyResolver\Operation\OperationInterface;
use Composer\DependencyResolver\PolicyInterface;
use Composer\DependencyResolver\Pool;
use Composer\DependencyResolver\Request;
use Composer\DependencyResolver\Rule;
use Composer\DependencyResolver\Solver;
use Composer\DependencyResolver\SolverProblemsException;
use Composer\Downloader\DownloadManager;
use Composer\EventDispatcher\EventDispatcher;
use Composer\Installer\InstallationManager;
use Composer\Installer\InstallerEvents;
use Composer\Installer\NoopInstaller;
use Composer\Installer\SuggestedPackagesReporter;
use Composer\IO\IOInterface;
use Composer\Package\AliasPackage;
use Composer\Package\BasePackage;
use Composer\Package\CompletePackage;
use Composer\Package\Link;
use Composer\Package\Loader\ArrayLoader;
use Composer\Package\Dumper\ArrayDumper;
use Composer\Semver\Constraint\Constraint;
use Composer\Package\Locker;
use Composer\Package\PackageInterface;
use Composer\Package\RootPackageInterface;
use Composer\Repository\CompositeRepository;
use Composer\Repository\InstalledArrayRepository;
use Composer\Repository\PlatformRepository;
use Composer\Repository\RepositoryInterface;
use Composer\Repository\RepositoryManager;
use Composer\Repository\WritableRepositoryInterface;
use Composer\Script\ScriptEvents;

/**
 * @author Jordi Boggiano <j.boggiano@seld.be>
 * @author Beau Simensen <beau@dflydev.com>
 * @author Konstantin Kudryashov <ever.zet@gmail.com>
 * @author Nils Adermann <naderman@naderman.de>
 */
class Installer
{
    /**
     * @var IOInterface
     */
    protected $io;

/**
     * @var Config
     */
    protected $config;

/**
     * @var RootPackageInterface
     */
    protected $package;

/**
     * @var DownloadManager
     */
    protected $downloadManager;

/**
     * @var RepositoryManager
     */
    protected $repositoryManager;

/**
     * @var Locker
     */
    protected $locker;

/**
     * @var InstallationManager
     */
    protected $installationManager;

/**
     * @var EventDispatcher
     */
    protected $eventDispatcher;

/**
     * @var AutoloadGenerator
     */
    protected $autoloadGenerator;

protected $preferSource = false;
    protected $preferDist = false;
    protected $optimizeAutoloader = false;
    protected $classMapAuthoritative = false;
    protected $apcuAutoloader = false;
    protected $devMode = false;
    protected $dryRun = false;
    protected $verbose = false;
    protected $update = false;
    protected $dumpAutoloader = true;
    protected $runScripts = true;
    protected $ignorePlatformReqs = false;
    protected $preferStable = false;
    protected $preferLowest = false;
    protected $skipSuggest = false;
    protected $writeLock = true;
    protected $executeOperations = true;

/**
     * Array of package names/globs flagged for update
     *
     * @var array|null
     */
    protected $updateWhitelist = null;
    protected $whitelistDependencies = false; // TODO 2.0 rename to whitelistTransitiveDependencies
    protected $whitelistAllDependencies = false;

/**
     * @var SuggestedPackagesReporter
     */
    protected $suggestedPackagesReporter;

/**
     * @var RepositoryInterface
     */
    protected $additionalInstalledRepository;

/**
     * Constructor
     *
     * @param IOInterface          $io
     * @param Config               $config
     * @param RootPackageInterface $package
     * @param DownloadManager      $downloadManager
     * @param RepositoryManager    $repositoryManager
     * @param Locker               $locker
     * @param InstallationManager  $installationManager
     * @param EventDispatcher      $eventDispatcher
     * @param AutoloadGenerator    $autoloadGenerator
     */
    public function __construct(IOInterface $io, Config $config, RootPackageInterface $package, DownloadManager $downloadManager, RepositoryManager $repositoryManager, Locker $locker, InstallationManager $installationManager, EventDispatcher $eventDispatcher, AutoloadGenerator $autoloadGenerator)
    {
        $this->io = $io;
        $this->config = $config;
        $this->package = $package;
        $this->downloadManager = $downloadManager;
        $this->repositoryManager = $repositoryManager;
        $this->locker = $locker;
        $this->installationManager = $installationManager;
        $this->eventDispatcher = $eventDispatcher;
        $this->autoloadGenerator = $autoloadGenerator;
    }

/**
     * Run installation (or update)
     *
     * @throws \Exception
     * @return int        0 on success or a positive error code on failure
     */
    public function run()
    {
        // Disable GC to save CPU cycles, as the dependency solver can create hundreds of thousands
        // of PHP objects, the GC can spend quite some time walking the tree of references looking
        // for stuff to collect while there is nothing to collect. This slows things down dramatically
        // and turning it off results in much better performance. Do not try this at home however.
        gc_collect_cycles();
        gc_disable();

// Force update if there is no lock file present
        if (!$this->update && !$this->locker->isLocked()) {
            $this->update = true;
        }

if ($this->dryRun) {
            $this->verbose = true;
            $this->runScripts = false;
            $this->executeOperations = false;
            $this->writeLock = false;
            $this->dumpAutoloader = false;
            $this->installationManager->addInstaller(new NoopInstaller);
            $this->mockLocalRepositories($this->repositoryManager);
        }

if ($this->runScripts) {
            $devMode = (int) $this->devMode;
            putenv("COMPOSER_DEV_MODE=$devMode");

// dispatch pre event
            $eventName = $this->update ? ScriptEvents::PRE_UPDATE_CMD : ScriptEvents::PRE_INSTALL_CMD;
            $this->eventDispatcher->dispatchScript($eventName, $this->devMode);
        }

$this->downloadManager->setPreferSource($this->preferSource);
        $this->downloadManager->setPreferDist($this->preferDist);

// create installed repo, this contains all local packages + platform packages (php & extensions)
        $localRepo = $this->repositoryManager->getLocalRepository();
        if ($this->update) {
            $platformOverrides = $this->config->get('platform') ?: array();
        } else {
            $platformOverrides = $this->locker->getPlatformOverrides();
        }
        $platformRepo = new PlatformRepository(array(), $platformOverrides);
        $installedRepo = $this->createInstalledRepo($localRepo, $platformRepo);

$aliases = $this->getRootAliases();
        $this->aliasPlatformPackages($platformRepo, $aliases);

if (!$this->suggestedPackagesReporter) {
            $this->suggestedPackagesReporter = new SuggestedPackagesReporter($this->io);
        }

try {
            list($res, $devPackages) = $this->doInstall($localRepo, $installedRepo, $platformRepo, $aliases);
            if ($res !== 0) {
                return $res;
            }
        } catch (\Exception $e) {
            if ($this->executeOperations) {
                $this->installationManager->notifyInstalls($this->io);
            }

throw $e;
        }
        if ($this->executeOperations) {
            $this->installationManager->notifyInstalls($this->io);
        }

// output suggestions if we're in dev mode
        if ($this->devMode && !$this->skipSuggest) {
            $this->suggestedPackagesReporter->output($installedRepo);
        }

# Find abandoned packages and warn user
        foreach ($localRepo->getPackages() as $package) {
            if (!$package instanceof CompletePackage || !$package->isAbandoned()) {
                continue;
            }

$replacement = is_string($package->getReplacementPackage())
                ? 'Use ' . $package->getReplacementPackage() . ' instead'
                : 'No replacement was suggested';

$this->io->writeError(
                sprintf(
                    "<warning>Package %s is abandoned, you should avoid using it. %s.</warning>",
                    $package->getPrettyName(),
                    $replacement
                )
            );
        }

// write lock
        if ($this->update && $this->writeLock) {
            $localRepo->reload();

$platformReqs = $this->extractPlatformRequirements($this->package->getRequires());
            $platformDevReqs = $this->extractPlatformRequirements($this->package->getDevRequires());

$updatedLock = $this->locker->setLockData(
                array_diff($localRepo->getCanonicalPackages(), $devPackages),
                $devPackages,
                $platformReqs,
                $platformDevReqs,
                $aliases,
                $this->package->getMinimumStability(),
                $this->package->getStabilityFlags(),
                $this->preferStable || $this->package->getPreferStable(),
                $this->preferLowest,
                $this->config->get('platform') ?: array()
            );
            if ($updatedLock) {
                $this->io->writeError('<info>Writing lock file</info>');
            }
        }

if ($this->dumpAutoloader) {
            // write autoloader
            if ($this->optimizeAutoloader) {
                $this->io->writeError('<info>Generating optimized autoload files</info>');
            } else {
                $this->io->writeError('<info>Generating autoload files</info>');
            }

$this->autoloadGenerator->setDevMode($this->devMode);
            $this->autoloadGenerator->setClassMapAuthoritative($this->classMapAuthoritative);
            $this->autoloadGenerator->setApcu($this->apcuAutoloader);
            $this->autoloadGenerator->setRunScripts($this->runScripts);
            $this->autoloadGenerator->dump($this->config, $localRepo, $this->package, $this->installationManager, 'composer', $this->optimizeAutoloader);
        }

if ($this->executeOperations) {
            // force binaries re-generation in case they are missing
            foreach ($localRepo->getPackages() as $package) {
                $this->installationManager->ensureBinariesPresence($package);
            }

$vendorDir = $this->config->get('vendor-dir');
            if (is_dir($vendorDir)) {
                // suppress errors as this fails sometimes on OSX for no apparent reason
                // see https://github.com/composer/composer/issues/4070#issuecomment-129792748
                @touch($vendorDir);
            }
        }

if ($this->runScripts) {
            // dispatch post event
            $eventName = $this->update ? ScriptEvents::POST_UPDATE_CMD : ScriptEvents::POST_INSTALL_CMD;
            $this->eventDispatcher->dispatchScript($eventName, $this->devMode);
        }

// re-enable GC except on HHVM which triggers a warning here
        if (!defined('HHVM_VERSION')) {
            gc_enable();
        }

return 0;
    }

/**
     * @param  RepositoryInterface $localRepo
     * @param  RepositoryInterface $installedRepo
     * @param  PlatformRepository  $platformRepo
     * @param  array               $aliases
     * @return array               [int, PackageInterfaces[]|null] with the exit code and an array of dev packages on update, or null on install
     */
    protected function doInstall($localRepo, $installedRepo, $platformRepo, $aliases)
    {
        // init vars
        $lockedRepository = null;
        $repositories = null;

// initialize locked repo if we are installing from lock or in a partial update
        // and a lock file is present as we need to force install non-whitelisted lock file
        // packages in that case
        if (!$this->update || (!empty($this->updateWhitelist) && $this->locker->isLocked())) {
            try {
                $lockedRepository = $this->locker->getLockedRepository($this->devMode);
            } catch (\RuntimeException $e) {
                // if there are dev requires, then we really can not install
                if ($this->package->getDevRequires()) {
                    throw $e;
                }
                // no require-dev in composer.json and the lock file was created with no dev info, so skip them
                $lockedRepository = $this->locker->getLockedRepository();
            }
        }

$this->whitelistUpdateDependencies(
            $lockedRepository ?: $localRepo,
            $this->package->getRequires(),
            $this->package->getDevRequires()
        );

$this->io->writeError('<info>Loading composer repositories with package information</info>');

// creating repository pool
        $policy = $this->createPolicy();
        $pool = $this->createPool($this->update ? null : $lockedRepository);
        $pool->addRepository($installedRepo, $aliases);
        if ($this->update) {
            $repositories = $this->repositoryManager->getRepositories();
            foreach ($repositories as $repository) {
                $pool->addRepository($repository, $aliases);
            }
        }
        // Add the locked repository after the others in case we are doing a
        // partial update so missing packages can be found there still.
        // For installs from lock it's the only one added so it is first
        if ($lockedRepository) {
            $pool->addRepository($lockedRepository, $aliases);
        }

// creating requirements request
        $request = $this->createRequest($this->package, $platformRepo);

if ($this->update) {
            // remove unstable packages from the localRepo if they don't match the current stability settings
            $removedUnstablePackages = array();
            foreach ($localRepo->getPackages() as $package) {
                if (
                    !$pool->isPackageAcceptable($package->getNames(), $package->getStability())
                    && $this->installationManager->isPackageInstalled($localRepo, $package)
                ) {
                    $removedUnstablePackages[$package->getName()] = true;
                    $request->remove($package->getName(), new Constraint('=', $package->getVersion()));
                }
            }

$this->io->writeError('<info>Updating dependencies'.($this->devMode ? ' (including require-dev)' : '').'</info>');

$request->updateAll();

$links = array_merge($this->package->getRequires(), $this->package->getDevRequires());

foreach ($links as $link) {
                $request->install($link->getTarget(), $link->getConstraint());
            }

// if the updateWhitelist is enabled, packages not in it are also fixed
            // to the version specified in the lock, or their currently installed version
            if ($this->updateWhitelist) {
                $currentPackages = $this->getCurrentPackages($installedRepo);

// collect packages to fixate from root requirements as well as installed packages
                $candidates = array();
                foreach ($links as $link) {
                    $candidates[$link->getTarget()] = true;
                    $rootRequires[$link->getTarget()] = $link;
                }
                foreach ($currentPackages as $package) {
                    $candidates[$package->getName()] = true;
                }

// fix them to the version in lock (or currently installed) if they are not updateable
                foreach ($candidates as $candidate => $dummy) {
                    foreach ($currentPackages as $curPackage) {
                        if ($curPackage->getName() === $candidate) {
                            if (!$this->isUpdateable($curPackage) && !isset($removedUnstablePackages[$curPackage->getName()])) {
                                $constraint = new Constraint('=', $curPackage->getVersion());
                                $description = $this->locker->isLocked() ? '(locked at' : '(installed at';
                                $requiredAt = isset($rootRequires[$candidate]) ? ', required as ' . $rootRequires[$candidate]->getPrettyConstraint() : '';
                                $constraint->setPrettyString($description . ' ' . $curPackage->getPrettyVersion() . $requiredAt . ')');
                                $request->install($curPackage->getName(), $constraint);
                            }
                            break;
                        }
                    }
                }
            }
        } else {
            $this->io->writeError('<info>Installing dependencies'.($this->devMode ? ' (including require-dev)' : '').' from lock file</info>');

if (!$this->locker->isFresh()) {
                $this->io->writeError('<warning>Warning: The lock file is not up to date with the latest changes in composer.json. You may be getting outdated dependencies. Run update to update them.</warning>', true, IOInterface::QUIET);
            }

foreach ($lockedRepository->getPackages() as $package) {
                $version = $package->getVersion();
                if (isset($aliases[$package->getName()][$version])) {
                    $version = $aliases[$package->getName()][$version]['alias_normalized'];
                }
                $constraint = new Constraint('=', $version);
                $constraint->setPrettyString($package->getPrettyVersion());
                $request->install($package->getName(), $constraint);
            }

foreach ($this->locker->getPlatformRequirements($this->devMode) as $link) {
                $request->install($link->getTarget(), $link->getConstraint());
            }
        }

// force dev packages to have the latest links if we update or install from a (potentially new) lock
        $this->processDevPackages($localRepo, $pool, $policy, $repositories, $installedRepo, $lockedRepository, 'force-links');

// solve dependencies
        $this->eventDispatcher->dispatchInstallerEvent(InstallerEvents::PRE_DEPENDENCIES_SOLVING, $this->devMode, $policy, $pool, $installedRepo, $request);
        $solver = new Solver($policy, $pool, $installedRepo, $this->io);
        try {
            $operations = $solver->solve($request, $this->ignorePlatformReqs);
        } catch (SolverProblemsException $e) {
            $this->io->writeError('<error>Your requirements could not be resolved to an installable set of packages.</error>', true, IOInterface::QUIET);
            $this->io->writeError($e->getMessage());
            if ($this->update && !$this->devMode) {
                $this->io->writeError('<warning>Running update with --no-dev does not mean require-dev is ignored, it just means the packages will not be installed. If dev requirements are blocking the update you have to resolve those problems.</warning>', true, IOInterface::QUIET);
            }

return array(max(1, $e->getCode()), array());
        }

// force dev packages to be updated if we update or install from a (potentially new) lock
        $operations = $this->processDevPackages($localRepo, $pool, $policy, $repositories, $installedRepo, $lockedRepository, 'force-updates', $operations);

$this->eventDispatcher->dispatchInstallerEvent(InstallerEvents::POST_DEPENDENCIES_SOLVING, $this->devMode, $policy, $pool, $installedRepo, $request, $operations);

$this->io->writeError("Analyzed ".count($pool)." packages to resolve dependencies", true, IOInterface::VERBOSE);
        $this->io->writeError("Analyzed ".$solver->getRuleSetSize()." rules to resolve dependencies", true, IOInterface::VERBOSE);

// execute operations
        if (!$operations) {
            $this->io->writeError('Nothing to install or update');
        }

$operations = $this->movePluginsToFront($operations);
        $operations = $this->moveUninstallsToFront($operations);

// extract dev packages and mark them to be skipped if it's a --no-dev install or update
        // we also force them to be uninstalled if they are present in the local repo
        if ($this->update) {
            $devPackages = $this->extractDevPackages($operations, $localRepo, $platformRepo, $aliases);
            if (!$this->devMode) {
                $operations = $this->filterDevPackageOperations($devPackages, $operations, $localRepo);
            }
        } else {
            $devPackages = null;
        }

if ($operations) {
            $installs = $updates = $uninstalls = array();
            foreach ($operations as $operation) {
                if ($operation instanceof InstallOperation) {
                    $installs[] = $operation->getPackage()->getPrettyName().':'.$operation->getPackage()->getFullPrettyVersion();
                } elseif ($operation instanceof UpdateOperation) {
                    $updates[] = $operation->getTargetPackage()->getPrettyName().':'.$operation->getTargetPackage()->getFullPrettyVersion();
                } elseif ($operation instanceof UninstallOperation) {
                    $uninstalls[] = $operation->getPackage()->getPrettyName();
                }
            }

$this->io->writeError(sprintf(
                "<info>Package operations: %d install%s, %d update%s, %d removal%s</info>",
                count($installs),
                1 === count($installs) ? '' : 's',
                count($updates),
                1 === count($updates) ? '' : 's',
                count($uninstalls),
                1 === count($uninstalls) ? '' : 's'
            ));
            if ($installs) {
                $this->io->writeError("Installs: ".implode(', ', $installs), true, IOInterface::VERBOSE);
            }
            if ($updates) {
                $this->io->writeError("Updates: ".implode(', ', $updates), true, IOInterface::VERBOSE);
            }
            if ($uninstalls) {
                $this->io->writeError("Removals: ".implode(', ', $uninstalls), true, IOInterface::VERBOSE);
            }
        }

foreach ($operations as $operation) {
            // collect suggestions
            $jobType = $operation->getJobType();
            if ('install' === $jobType) {
                $this->suggestedPackagesReporter->addSuggestionsFromPackage($operation->getPackage());
            }

// updating, force dev packages' references if they're in root package refs
            if ($this->update) {
                $package = null;
                if ('update' === $jobType) {
                    $package = $operation->getTargetPackage();
                } elseif ('install' === $jobType) {
                    $package = $operation->getPackage();
                }
                if ($package && $package->isDev()) {
                    $references = $this->package->getReferences();
                    if (isset($references[$package->getName()])) {
                        $this->updateInstallReferences($package, $references[$package->getName()]);
                    }
                }
                if ('update' === $jobType) {
                    $targetPackage = $operation->getTargetPackage();
                    if ($targetPackage->isDev()) {
                        $initialPackage = $operation->getInitialPackage();
                        if ($targetPackage->getVersion() === $initialPackage->getVersion()
                            && (!$targetPackage->getSourceReference() || $targetPackage->getSourceReference() === $initialPackage->getSourceReference())
                            && (!$targetPackage->getDistReference() || $targetPackage->getDistReference() === $initialPackage->getDistReference())
                        ) {
                            $this->io->writeError('  - Skipping update of ' . $targetPackage->getPrettyName() . ' to the same reference-locked version', true, IOInterface::DEBUG);
                            $this->io->writeError('', true, IOInterface::DEBUG);

continue;
                        }
                    }
                }
            }

$event = 'Composer\Installer\PackageEvents::PRE_PACKAGE_'.strtoupper($jobType);
            if (defined($event) && $this->runScripts) {
                $this->eventDispatcher->dispatchPackageEvent(constant($event), $this->devMode, $policy, $pool, $installedRepo, $request, $operations, $operation);
            }

// output non-alias ops when not executing operations (i.e. dry run), output alias ops in debug verbosity
            if (!$this->executeOperations && false === strpos($operation->getJobType(), 'Alias')) {
                $this->io->writeError('  - ' . $operation);
            } elseif ($this->io->isDebug() && false !== strpos($operation->getJobType(), 'Alias')) {
                $this->io->writeError('  - ' . $operation);
            }

$this->installationManager->execute($localRepo, $operation);

// output reasons why the operation was ran, only for install/update operations
            if ($this->verbose && $this->io->isVeryVerbose() && in_array($jobType, array('install', 'update'))) {
                $reason = $operation->getReason();
                if ($reason instanceof Rule) {
                    switch ($reason->getReason()) {
                        case Rule::RULE_JOB_INSTALL:
                            $this->io->writeError('    REASON: Required by the root package: '.$reason->getPrettyString($pool));
                            $this->io->writeError('');
                            break;
                        case Rule::RULE_PACKAGE_REQUIRES:
                            $this->io->writeError('    REASON: '.$reason->getPrettyString($pool));
                            $this->io->writeError('');
                            break;
                    }
                }
            }

if ($this->executeOperations || $this->writeLock) {
                $localRepo->write();
            }

$event = 'Composer\Installer\PackageEvents::POST_PACKAGE_'.strtoupper($jobType);
            if (defined($event) && $this->runScripts) {
                $this->eventDispatcher->dispatchPackageEvent(constant($event), $this->devMode, $policy, $pool, $installedRepo, $request, $operations, $operation);
            }
        }

if ($this->executeOperations) {
            // force source/dist urls to be updated for all packages
            $this->processPackageUrls($pool, $policy, $localRepo, $repositories);
            $localRepo->write();
        }

return array(0, $devPackages);
    }

/**
     * Extracts the dev packages out of the localRepo
     *
     * This works by faking the operations so we can see what the dev packages
     * would be at the end of the operation execution. This lets us then remove
     * the dev packages from the list of operations accordingly if we are in a
     * --no-dev install or update.
     *
     * @return array
     */
    private function extractDevPackages(array $operations, RepositoryInterface $localRepo, PlatformRepository $platformRepo, array $aliases)
    {
        if (!$this->package->getDevRequires()) {
            return array();
        }

// fake-apply all operations to this clone of the local repo so we see the complete set of package we would end up with
        $tempLocalRepo = clone $localRepo;
        foreach ($operations as $operation) {
            switch ($operation->getJobType()) {
                case 'install':
                case 'markAliasInstalled':
                    if (!$tempLocalRepo->hasPackage($operation->getPackage())) {
                        $tempLocalRepo->addPackage(clone $operation->getPackage());
                    }
                    break;

case 'uninstall':
                case 'markAliasUninstalled':
                    $tempLocalRepo->removePackage($operation->getPackage());
                    break;

case 'update':
                    $tempLocalRepo->removePackage($operation->getInitialPackage());
                    if (!$tempLocalRepo->hasPackage($operation->getTargetPackage())) {
                        $tempLocalRepo->addPackage(clone $operation->getTargetPackage());
                    }
                    break;

default:
                    throw new \LogicException('Unknown type: '.$operation->getJobType());
            }
        }

// we have to reload the local repo to handle aliases properly
        // but as it is not persisted on disk we use a loader/dumper
        // to reload it in memory
        $localRepo = new InstalledArrayRepository(array());
        $loader = new ArrayLoader(null, true);
        $dumper = new ArrayDumper();
        foreach ($tempLocalRepo->getCanonicalPackages() as $pkg) {
            $localRepo->addPackage($loader->load($dumper->dump($pkg)));
        }
        unset($tempLocalRepo, $loader, $dumper);

$policy = $this->createPolicy();
        $pool = $this->createPool();
        $installedRepo = $this->createInstalledRepo($localRepo, $platformRepo);
        $pool->addRepository($installedRepo, $aliases);

// creating requirements request without dev requirements
        $request = $this->createRequest($this->package, $platformRepo);
        $request->updateAll();
        foreach ($this->package->getRequires() as $link) {
            $request->install($link->getTarget(), $link->getConstraint());
        }

// solve deps to see which get removed
        $this->eventDispatcher->dispatchInstallerEvent(InstallerEvents::PRE_DEPENDENCIES_SOLVING, false, $policy, $pool, $installedRepo, $request);
        $solver = new Solver($policy, $pool, $installedRepo, $this->io);
        $ops = $solver->solve($request, $this->ignorePlatformReqs);
        $this->eventDispatcher->dispatchInstallerEvent(InstallerEvents::POST_DEPENDENCIES_SOLVING, false, $policy, $pool, $installedRepo, $request, $ops);

$devPackages = array();
        foreach ($ops as $op) {
            if ($op->getJobType() === 'uninstall') {
                $devPackages[] = $op->getPackage();
            }
        }

return $devPackages;
    }

/**
     * @return OperationInterface[] filtered operations, dev packages are uninstalled and all operations on them ignored
     */
    private function filterDevPackageOperations(array $devPackages, array $operations, RepositoryInterface $localRepo)
    {
        $finalOps = array();
        $packagesToSkip = array();
        foreach ($devPackages as $pkg) {
            $packagesToSkip[$pkg->getName()] = true;
            if ($installedDevPkg = $localRepo->findPackage($pkg->getName(), '*')) {
                if ($installedDevPkg instanceof AliasPackage) {
                    $finalOps[] = new MarkAliasUninstalledOperation($installedDevPkg, 'non-dev install removing it');
                    $installedDevPkg = $installedDevPkg->getAliasOf();
                }
                $finalOps[] = new UninstallOperation($installedDevPkg, 'non-dev install removing it');
            }
        }

// skip operations applied on dev packages
        foreach ($operations as $op) {
            $package = $op->getJobType() === 'update' ? $op->getTargetPackage() : $op->getPackage();
            if (isset($packagesToSkip[$package->getName()])) {
                continue;
            }

$finalOps[] = $op;
        }

return $finalOps;
    }

/**
     * Workaround: if your packages depend on plugins, we must be sure
     * that those are installed / updated first; else it would lead to packages
     * being installed multiple times in different folders, when running Composer
     * twice.
     *
     * While this does not fix the root-causes of https://github.com/composer/composer/issues/1147,
     * it at least fixes the symptoms and makes usage of composer possible (again)
     * in such scenarios.
     *
     * @param  OperationInterface[] $operations
     * @return OperationInterface[] reordered operation list
     */
    private function movePluginsToFront(array $operations)
    {
        $pluginsNoDeps = array();
        $pluginsWithDeps = array();
        $pluginRequires = array();

foreach (array_reverse($operations, true) as $idx => $op) {
            if ($op instanceof InstallOperation) {
                $package = $op->getPackage();
            } elseif ($op instanceof UpdateOperation) {
                $package = $op->getTargetPackage();
            } else {
                continue;
            }

// is this package a plugin?
            $isPlugin = $package->getType() === 'composer-plugin' || $package->getType() === 'composer-installer';

// is this a plugin or a dependency of a plugin?
            if ($isPlugin || count(array_intersect($package->getNames(), $pluginRequires))) {
                // get the package's requires, but filter out any platform requirements or 'composer-plugin-api'
                $requires = array_filter(array_keys($package->getRequires()), function ($req) {
                    return $req !== 'composer-plugin-api' && !preg_match(PlatformRepository::PLATFORM_PACKAGE_REGEX, $req);
                });

// is this a plugin with no meaningful dependencies?
                if ($isPlugin && !count($requires)) {
                    // plugins with no dependencies go to the very front
                    array_unshift($pluginsNoDeps, $op);
                } else {
                    // capture the requirements for this package so those packages will be moved up as well
                    $pluginRequires = array_merge($pluginRequires, $requires);
                    // move the operation to the front
                    array_unshift($pluginsWithDeps, $op);
                }

unset($operations[$idx]);
            }
        }

return array_merge($pluginsNoDeps, $pluginsWithDeps, $operations);
    }

/**
     * Removals of packages should be executed before installations in
     * case two packages resolve to the same path (due to custom installers)
     *
     * @param  OperationInterface[] $operations
     * @return OperationInterface[] reordered operation list
     */
    private function moveUninstallsToFront(array $operations)
    {
        $uninstOps = array();
        foreach ($operations as $idx => $op) {
            if ($op instanceof UninstallOperation) {
                $uninstOps[] = $op;
                unset($operations[$idx]);
            }
        }

return array_merge($uninstOps, $operations);
    }

/**
     * @return RepositoryInterface
     */
    private function createInstalledRepo(RepositoryInterface $localRepo, PlatformRepository $platformRepo)
    {
        // clone root package to have one in the installed repo that does not require anything
        // we don't want it to be uninstallable, but its requirements should not conflict
        // with the lock file for example
        $installedRootPackage = clone $this->package;
        $installedRootPackage->setRequires(array());
        $installedRootPackage->setDevRequires(array());

$repos = array(
            $localRepo,
            new InstalledArrayRepository(array($installedRootPackage)),
            $platformRepo,
        );
        $installedRepo = new CompositeRepository($repos);
        if ($this->additionalInstalledRepository) {
            $installedRepo->addRepository($this->additionalInstalledRepository);
        }

return $installedRepo;
    }

/**
     * @param  RepositoryInterface|null $lockedRepository
     * @return Pool
     */
    private function createPool(RepositoryInterface $lockedRepository = null)
    {
        if ($this->update) {
            $minimumStability = $this->package->getMinimumStability();
            $stabilityFlags = $this->package->getStabilityFlags();

$requires = array_merge($this->package->getRequires(), $this->package->getDevRequires());
        } else {
            $minimumStability = $this->locker->getMinimumStability();
            $stabilityFlags = $this->locker->getStabilityFlags();

$requires = array();
            foreach ($lockedRepository->getPackages() as $package) {
                $constraint = new Constraint('=', $package->getVersion());
                $constraint->setPrettyString($package->getPrettyVersion());
                $requires[$package->getName()] = $constraint;
            }
        }

$rootConstraints = array();
        foreach ($requires as $req => $constraint) {
            // skip platform requirements from the root package to avoid filtering out existing platform packages
            if ($this->ignorePlatformReqs && preg_match(PlatformRepository::PLATFORM_PACKAGE_REGEX, $req)) {
                continue;
            }
            if ($constraint instanceof Link) {
                $rootConstraints[$req] = $constraint->getConstraint();
            } else {
                $rootConstraints[$req] = $constraint;
            }
        }

return new Pool($minimumStability, $stabilityFlags, $rootConstraints);
    }

/**
     * @return DefaultPolicy
     */
    private function createPolicy()
    {
        $preferStable = null;
        $preferLowest = null;
        if (!$this->update) {
            $preferStable = $this->locker->getPreferStable();
            $preferLowest = $this->locker->getPreferLowest();
        }
        // old lock file without prefer stable/lowest will return null
        // so in this case we use the composer.json info
        if (null === $preferStable) {
            $preferStable = $this->preferStable || $this->package->getPreferStable();
        }
        if (null === $preferLowest) {
            $preferLowest = $this->preferLowest;
        }

return new DefaultPolicy($preferStable, $preferLowest);
    }

/**
     * @param  RootPackageInterface $rootPackage
     * @param  PlatformRepository   $platformRepo
     * @return Request
     */
    private function createRequest(RootPackageInterface $rootPackage, PlatformRepository $platformRepo)
    {
        $request = new Request();

$constraint = new Constraint('=', $rootPackage->getVersion());
        $constraint->setPrettyString($rootPackage->getPrettyVersion());
        $request->install($rootPackage->getName(), $constraint);

$fixedPackages = $platformRepo->getPackages();
        if ($this->additionalInstalledRepository) {
            $additionalFixedPackages = $this->additionalInstalledRepository->getPackages();
            $fixedPackages = array_merge($fixedPackages, $additionalFixedPackages);
        }

// fix the version of all platform packages + additionally installed packages
        // to prevent the solver trying to remove or update those
        $provided = $rootPackage->getProvides();
        foreach ($fixedPackages as $package) {
            $constraint = new Constraint('=', $package->getVersion());
            $constraint->setPrettyString($package->getPrettyVersion());

// skip platform packages that are provided by the root package
            if ($package->getRepository() !== $platformRepo
                || !isset($provided[$package->getName()])
                || !$provided[$package->getName()]->getConstraint()->matches($constraint)
            ) {
                $request->fix($package->getName(), $constraint);
            }
        }

return $request;
    }

/**
     * @param  WritableRepositoryInterface $localRepo
     * @param  Pool                        $pool
     * @param  PolicyInterface             $policy
     * @param  array                       $repositories
     * @param  RepositoryInterface         $installedRepo
     * @param  RepositoryInterface         $lockedRepository
     * @param  string                      $task
     * @param  array|null                  $operations
     * @return array
     */
    private function processDevPackages($localRepo, $pool, $policy, $repositories, $installedRepo, $lockedRepository, $task, array $operations = null)
    {
        if ($task === 'force-updates' && null === $operations) {
            throw new \InvalidArgumentException('Missing operations argument');
        }
        if ($task === 'force-links') {
            $operations = array();
        }

if ($this->update && $this->updateWhitelist) {
            $currentPackages = $this->getCurrentPackages($installedRepo);
        }

foreach ($localRepo->getCanonicalPackages() as $package) {
            // skip non-dev packages
            if (!$package->isDev()) {
                continue;
            }

// skip packages that will be updated/uninstalled
            foreach ($operations as $operation) {
                if (('update' === $operation->getJobType() && $operation->getInitialPackage()->equals($package))
                    || ('uninstall' === $operation->getJobType() && $operation->getPackage()->equals($package))
                ) {
                    continue 2;
                }
            }

if ($this->update) {
                // skip package if the whitelist is enabled and it is not in it
                if ($this->updateWhitelist && !$this->isUpdateable($package)) {
                    // check if non-updateable packages are out of date compared to the lock file to ensure we don't corrupt it
                    foreach ($currentPackages as $curPackage) {
                        if ($curPackage->isDev() && $curPackage->getName() === $package->getName() && $curPackage->getVersion() === $package->getVersion()) {
                            if ($task === 'force-links') {
                                $package->setRequires($curPackage->getRequires());
                                $package->setConflicts($curPackage->getConflicts());
                                $package->setProvides($curPackage->getProvides());
                                $package->setReplaces($curPackage->getReplaces());
                            } elseif ($task === 'force-updates') {
                                if (($curPackage->getSourceReference() && $curPackage->getSourceReference() !== $package->getSourceReference())
                                    || ($curPackage->getDistReference() && $curPackage->getDistReference() !== $package->getDistReference())
                                ) {
                                    $operations[] = new UpdateOperation($package, $curPackage);
                                }
                            }

break;
                        }
                    }

continue;
                }

// find similar packages (name/version) in all repositories
                $matches = $pool->whatProvides($package->getName(), new Constraint('=', $package->getVersion()));
                foreach ($matches as $index => $match) {
                    // skip local packages
                    if (!in_array($match->getRepository(), $repositories, true)) {
                        unset($matches[$index]);
                        continue;
                    }

// skip providers/replacers
                    if ($match->getName() !== $package->getName()) {
                        unset($matches[$index]);
                        continue;
                    }

$matches[$index] = $match->getId();
                }

// select preferred package according to policy rules
                if ($matches && $matches = $policy->selectPreferredPackages($pool, array(), $matches)) {
                    $newPackage = $pool->literalToPackage($matches[0]);

if ($task === 'force-links' && $newPackage) {
                        $package->setRequires($newPackage->getRequires());
                        $package->setConflicts($newPackage->getConflicts());
                        $package->setProvides($newPackage->getProvides());
                        $package->setReplaces($newPackage->getReplaces());
                    }

if (
                        $task === 'force-updates'
                        && $newPackage
                        && (
                            ($newPackage->getSourceReference() && $newPackage->getSourceReference() !== $package->getSourceReference())
                            || ($newPackage->getDistReference() && $newPackage->getDistReference() !== $package->getDistReference())
                        )
                    ) {
                        $operations[] = new UpdateOperation($package, $newPackage);

continue;
                    }
                }

if ($task === 'force-updates') {
                    // force installed package to update to referenced version in root package if it does not match the installed version
                    $references = $this->package->getReferences();

if (isset($references[$package->getName()]) && $references[$package->getName()] !== $package->getSourceReference()) {
                        // changing the source ref to update to will be handled in the operations loop
                        $operations[] = new UpdateOperation($package, clone $package);
                    }
                }
            } else {
                // force update to locked version if it does not match the installed version
                foreach ($lockedRepository->findPackages($package->getName()) as $lockedPackage) {
                    if ($lockedPackage->isDev() && $lockedPackage->getVersion() === $package->getVersion()) {
                        if ($task === 'force-links') {
                            $package->setRequires($lockedPackage->getRequires());
                            $package->setConflicts($lockedPackage->getConflicts());
                            $package->setProvides($lockedPackage->getProvides());
                            $package->setReplaces($lockedPackage->getReplaces());
                        } elseif ($task === 'force-updates') {
                            if (($lockedPackage->getSourceReference() && $lockedPackage->getSourceReference() !== $package->getSourceReference())
                                || ($lockedPackage->getDistReference() && $lockedPackage->getDistReference() !== $package->getDistReference())
                            ) {
                                $operations[] = new UpdateOperation($package, $lockedPackage);
                            }
                        }

break;
                    }
                }
            }
        }

return $operations;
    }

/**
     * Loads the most "current" list of packages that are installed meaning from lock ideally or from installed repo as fallback
     * @param  RepositoryInterface $installedRepo
     * @return array
     */
    private function getCurrentPackages($installedRepo)
    {
        if ($this->locker->isLocked()) {
            try {
                return $this->locker->getLockedRepository(true)->getPackages();
            } catch (\RuntimeException $e) {
                // fetch only non-dev packages from lock if doing a dev update fails due to a previously incomplete lock file
                return $this->locker->getLockedRepository()->getPackages();
            }
        }

return $installedRepo->getPackages();
    }

/**
     * @return array
     */
    private function getRootAliases()
    {
        if ($this->update) {
            $aliases = $this->package->getAliases();
        } else {
            $aliases = $this->locker->getAliases();
        }

$normalizedAliases = array();

foreach ($aliases as $alias) {
            $normalizedAliases[$alias['package']][$alias['version']] = array(
                'alias' => $alias['alias'],
                'alias_normalized' => $alias['alias_normalized'],
            );
        }

return $normalizedAliases;
    }

/**
     * @param Pool                        $pool
     * @param PolicyInterface             $policy
     * @param WritableRepositoryInterface $localRepo
     * @param array                       $repositories
     */
    private function processPackageUrls($pool, $policy, $localRepo, $repositories)
    {
        if (!$this->update) {
            return;
        }

$rootRefs = $this->package->getReferences();

foreach ($localRepo->getCanonicalPackages() as $package) {
            // find similar packages (name/version) in all repositories
            $matches = $pool->whatProvides($package->getName(), new Constraint('=', $package->getVersion()));
            foreach ($matches as $index => $match) {
                // skip local packages
                if (!in_array($match->getRepository(), $repositories, true)) {
                    unset($matches[$index]);
                    continue;
                }

// skip providers/replacers
                if ($match->getName() !== $package->getName()) {
                    unset($matches[$index]);
                    continue;
                }

$matches[$index] = $match->getId();
            }

// select preferred package according to policy rules
            if ($matches && $matches = $policy->selectPreferredPackages($pool, array(), $matches)) {
                $newPackage = $pool->literalToPackage($matches[0]);

// update the dist and source URLs
                $sourceUrl = $package->getSourceUrl();
                $newSourceUrl = $newPackage->getSourceUrl();
                $newReference = $newPackage->getSourceReference();

if ($package->isDev() && isset($rootRefs[$package->getName()]) && $package->getSourceReference() === $rootRefs[$package->getName()]) {
                    $newReference = $rootRefs[$package->getName()];
                }

$this->updatePackageUrl($package, $newSourceUrl, $newPackage->getSourceType(), $newReference, $newPackage->getDistUrl());

if ($package instanceof CompletePackage && $newPackage instanceof CompletePackage) {
                    $package->setAbandoned($newPackage->getReplacementPackage() ?: $newPackage->isAbandoned());
                }

$package->setDistMirrors($newPackage->getDistMirrors());
                $package->setSourceMirrors($newPackage->getSourceMirrors());
            }
        }
    }

private function updatePackageUrl(PackageInterface $package, $sourceUrl, $sourceType, $sourceReference, $distUrl)
    {
        $oldSourceRef = $package->getSourceReference();

if ($package->getSourceUrl() !== $sourceUrl) {
            $package->setSourceType($sourceType);
            $package->setSourceUrl($sourceUrl);
            $package->setSourceReference($sourceReference);
        }

// only update dist url for github/bitbucket/gitlab dists as they use a combination of dist url + dist reference to install
        // but for other urls this is ambiguous and could result in bad outcomes
        if (preg_match('{^https?://(?:(?:www\.)?bitbucket\.org|(api\.)?github\.com|(?:www\.)?gitlab\.com)/}i', $distUrl)) {
            $package->setDistUrl($distUrl);
            $this->updateInstallReferences($package, $sourceReference);
        }

if ($this->updateWhitelist && !$this->isUpdateable($package)) {
            $this->updateInstallReferences($package, $oldSourceRef);
        }
    }

private function updateInstallReferences(PackageInterface $package, $reference)
    {
        if (!$reference) {
            return;
        }

$package->setSourceReference($reference);

if (preg_match('{^https?://(?:(?:www\.)?bitbucket\.org|(api\.)?github\.com|(?:www\.)?gitlab\.com)/}i', $package->getDistUrl())) {
            $package->setDistReference($reference);
            $package->setDistUrl(preg_replace('{(?<=/|sha=)[a-f0-9]{40}(?=/|$)}i', $reference, $package->getDistUrl()));
        } elseif ($package->getDistReference()) { // update the dist reference if there was one, but if none was provided ignore it
            $package->setDistReference($reference);
        }
    }

/**
     * @param PlatformRepository $platformRepo
     * @param array              $aliases
     */
    private function aliasPlatformPackages(PlatformRepository $platformRepo, $aliases)
    {
        foreach ($aliases as $package => $versions) {
            foreach ($versions as $version => $alias) {
                $packages = $platformRepo->findPackages($package, $version);
                foreach ($packages as $package) {
                    $aliasPackage = new AliasPackage($package, $alias['alias_normalized'], $alias['alias']);
                    $aliasPackage->setRootPackageAlias(true);
                    $platformRepo->addPackage($aliasPackage);
                }
            }
        }
    }

/**
     * @param  PackageInterface $package
     * @return bool
     */
    private function isUpdateable(PackageInterface $package)
    {
        if (!$this->updateWhitelist) {
            throw new \LogicException('isUpdateable should only be called when a whitelist is present');
        }

foreach ($this->updateWhitelist as $whiteListedPattern => $void) {
            $patternRegexp = BasePackage::packageNameToRegexp($whiteListedPattern);
            if (preg_match($patternRegexp, $package->getName())) {
                return true;
            }
        }

return false;
    }

/**
     * @param  array $links
     * @return array
     */
    private function extractPlatformRequirements($links)
    {
        $platformReqs = array();
        foreach ($links as $link) {
            if (preg_match(PlatformRepository::PLATFORM_PACKAGE_REGEX, $link->getTarget())) {
                $platformReqs[$link->getTarget()] = $link->getPrettyConstraint();
            }
        }

return $platformReqs;
    }

/**
     * Adds all dependencies of the update whitelist to the whitelist, too.
     *
     * Packages which are listed as requirements in the root package will be
     * skipped including their dependencies, unless they are listed in the
     * update whitelist themselves or $whitelistAllDependencies is true.
     *
     * @param RepositoryInterface $localOrLockRepo Use the locked repo if available, otherwise installed repo will do
     *                                             As we want the most accurate package list to work with, and installed
     *                                             repo might be empty but locked repo will always be current.
     * @param array               $rootRequires    An array of links to packages in require of the root package
     * @param array               $rootDevRequires An array of links to packages in require-dev of the root package
     */
    private function whitelistUpdateDependencies($localOrLockRepo, array $rootRequires, array $rootDevRequires)
    {
        if (!$this->updateWhitelist) {
            return;
        }

$rootRequires = array_merge($rootRequires, $rootDevRequires);

$requiredPackageNames = array();
        foreach ($rootRequires as $require) {
            $requiredPackageNames[] = $require->getTarget();
        }

$skipPackages = array();
        if (!$this->whitelistAllDependencies) {
            foreach ($rootRequires as $require) {
                $skipPackages[$require->getTarget()] = true;
            }
        }

$pool = new Pool('dev');
        $pool->addRepository($localOrLockRepo);

$seen = array();

$rootRequiredPackageNames = array_keys($rootRequires);

foreach ($this->updateWhitelist as $packageName => $void) {
            $packageQueue = new \SplQueue;

$depPackages = $pool->whatProvides($packageName);

$nameMatchesRequiredPackage = in_array($packageName, $requiredPackageNames, true);

// check if the name is a glob pattern that did not match directly
            if (!$nameMatchesRequiredPackage) {
                $whitelistPatternRegexp = BasePackage::packageNameToRegexp($packageName);
                foreach ($rootRequiredPackageNames as $rootRequiredPackageName) {
                    if (preg_match($whitelistPatternRegexp, $rootRequiredPackageName)) {
                        $nameMatchesRequiredPackage = true;
                        break;
                    }
                }
            }

if (count($depPackages) == 0 && !$nameMatchesRequiredPackage && !in_array($packageName, array('nothing', 'lock', 'mirrors'))) {
                $this->io->writeError('<warning>Package "' . $packageName . '" listed for update is not installed. Ignoring.</warning>');
            }

foreach ($depPackages as $depPackage) {
                $packageQueue->enqueue($depPackage);
            }

while (!$packageQueue->isEmpty()) {
                $package = $packageQueue->dequeue();
                if (isset($seen[$package->getId()])) {
                    continue;
                }

$seen[$package->getId()] = true;
                $this->updateWhitelist[$package->getName()] = true;

if (!$this->whitelistDependencies && !$this->whitelistAllDependencies) {
                    continue;
                }

$requires = $package->getRequires();

foreach ($requires as $require) {
                    $requirePackages = $pool->whatProvides($require->getTarget());

foreach ($requirePackages as $requirePackage) {
                        if (isset($this->updateWhitelist[$requirePackage->getName()])) {
                            continue;
                        }

if (isset($skipPackages[$requirePackage->getName()])) {
                            $this->io->writeError('<warning>Dependency "' . $requirePackage->getName() . '" is also a root requirement, but is not explicitly whitelisted. Ignoring.</warning>');
                            continue;
                        }

$packageQueue->enqueue($requirePackage);
                    }
                }
            }
        }
    }

/**
     * Replace local repositories with InstalledArrayRepository instances
     *
     * This is to prevent any accidental modification of the existing repos on disk
     *
     * @param RepositoryManager $rm
     */
    private function mockLocalRepositories(RepositoryManager $rm)
    {
        $packages = array();
        foreach ($rm->getLocalRepository()->getPackages() as $package) {
            $packages[(string) $package] = clone $package;
        }
        foreach ($packages as $key => $package) {
            if ($package instanceof AliasPackage) {
                $alias = (string) $package->getAliasOf();
                $packages[$key] = new AliasPackage($packages[$alias], $package->getVersion(), $package->getPrettyVersion());
            }
        }
        $rm->setLocalRepository(
            new InstalledArrayRepository($packages)
        );
    }

/**
     * Create Installer
     *
     * @param  IOInterface $io
     * @param  Composer    $composer
     * @return Installer
     */
    public static function create(IOInterface $io, Composer $composer)
    {
        return new static(
            $io,
            $composer->getConfig(),
            $composer->getPackage(),
            $composer->getDownloadManager(),
            $composer->getRepositoryManager(),
            $composer->getLocker(),
            $composer->getInstallationManager(),
            $composer->getEventDispatcher(),
            $composer->getAutoloadGenerator()
        );
    }

/**
     * @param  RepositoryInterface $additionalInstalledRepository
     * @return $this
     */
    public function setAdditionalInstalledRepository(RepositoryInterface $additionalInstalledRepository)
    {
        $this->additionalInstalledRepository = $additionalInstalledRepository;

return $this;
    }

/**
     * Whether to run in drymode or not
     *
     * @param  bool      $dryRun
     * @return Installer
     */
    public function setDryRun($dryRun = true)
    {
        $this->dryRun = (bool) $dryRun;

return $this;
    }

/**
     * Checks, if this is a dry run (simulation mode).
     *
     * @return bool
     */
    public function isDryRun()
    {
        return $this->dryRun;
    }

/**
     * prefer source installation
     *
     * @param  bool      $preferSource
     * @return Installer
     */
    public function setPreferSource($preferSource = true)
    {
        $this->preferSource = (bool) $preferSource;

return $this;
    }

/**
     * prefer dist installation
     *
     * @param  bool      $preferDist
     * @return Installer
     */
    public function setPreferDist($preferDist = true)
    {
        $this->preferDist = (bool) $preferDist;

return $this;
    }

/**
     * Whether or not generated autoloader are optimized
     *
     * @param  bool      $optimizeAutoloader
     * @return Installer
     */
    public function setOptimizeAutoloader($optimizeAutoloader = false)
    {
        $this->optimizeAutoloader = (bool) $optimizeAutoloader;
        if (!$this->optimizeAutoloader) {
            // Force classMapAuthoritative off when not optimizing the
            // autoloader
            $this->setClassMapAuthoritative(false);
        }

return $this;
    }

/**
     * Whether or not generated autoloader considers the class map
     * authoritative.
     *
     * @param  bool      $classMapAuthoritative
     * @return Installer
     */
    public function setClassMapAuthoritative($classMapAuthoritative = false)
    {
        $this->classMapAuthoritative = (bool) $classMapAuthoritative;
        if ($this->classMapAuthoritative) {
            // Force optimizeAutoloader when classmap is authoritative
            $this->setOptimizeAutoloader(true);
        }

return $this;
    }

/**
     * Whether or not generated autoloader considers APCu caching.
     *
     * @param  bool      $apcuAutoloader
     * @return Installer
     */
    public function setApcuAutoloader($apcuAutoloader = false)
    {
        $this->apcuAutoloader = (bool) $apcuAutoloader;

return $this;
    }

/**
     * update packages
     *
     * @param  bool      $update
     * @return Installer
     */
    public function setUpdate($update = true)
    {
        $this->update = (bool) $update;

return $this;
    }

/**
     * enables dev packages
     *
     * @param  bool      $devMode
     * @return Installer
     */
    public function setDevMode($devMode = true)
    {
        $this->devMode = (bool) $devMode;

return $this;
    }

/**
     * set whether to run autoloader or not
     *
     * This is disabled implicitly when enabling dryRun
     *
     * @param  bool      $dumpAutoloader
     * @return Installer
     */
    public function setDumpAutoloader($dumpAutoloader = true)
    {
        $this->dumpAutoloader = (bool) $dumpAutoloader;

return $this;
    }

/**
     * set whether to run scripts or not
     *
     * This is disabled implicitly when enabling dryRun
     *
     * @param  bool      $runScripts
     * @return Installer
     */
    public function setRunScripts($runScripts = true)
    {
        $this->runScripts = (bool) $runScripts;

return $this;
    }

/**
     * set the config instance
     *
     * @param  Config    $config
     * @return Installer
     */
    public function setConfig(Config $config)
    {
        $this->config = $config;

return $this;
    }

/**
     * run in verbose mode
     *
     * @param  bool      $verbose
     * @return Installer
     */
    public function setVerbose($verbose = true)
    {
        $this->verbose = (bool) $verbose;

return $this;
    }

/**
     * Checks, if running in verbose mode.
     *
     * @return bool
     */
    public function isVerbose()
    {
        return $this->verbose;
    }

/**
     * set ignore Platform Package requirements
     *
     * @param  bool      $ignorePlatformReqs
     * @return Installer
     */
    public function setIgnorePlatformRequirements($ignorePlatformReqs = false)
    {
        $this->ignorePlatformReqs = (bool) $ignorePlatformReqs;

return $this;
    }

/**
     * restrict the update operation to a few packages, all other packages
     * that are already installed will be kept at their current version
     *
     * @param  array     $packages
     * @return Installer
     */
    public function setUpdateWhitelist(array $packages)
    {
        $this->updateWhitelist = array_flip(array_map('strtolower', $packages));

return $this;
    }

/**
     * @deprecated use setWhitelistTransitiveDependencies instead
     */
    public function setWhitelistDependencies($updateDependencies = true)
    {
        return $this->setWhitelistTransitiveDependencies($updateDependencies);
    }

/**
     * Should dependencies of whitelisted packages (but not direct dependencies) be updated?
     *
     * This will NOT whitelist any dependencies that are also directly defined
     * in the root package.
     *
     * @param  bool      $updateTransitiveDependencies
     * @return Installer
     */
    public function setWhitelistTransitiveDependencies($updateTransitiveDependencies = true)
    {
        $this->whitelistDependencies = (bool) $updateTransitiveDependencies;

return $this;
    }

/**
     * Should all dependencies of whitelisted packages be updated recursively?
     *
     * This will whitelist any dependencies of the whitelisted packages, including
     * those defined in the root package.
     *
     * @param  bool      $updateAllDependencies
     * @return Installer
     */
    public function setWhitelistAllDependencies($updateAllDependencies = true)
    {
        $this->whitelistAllDependencies = (bool) $updateAllDependencies;

return $this;
    }

/**
     * Should packages be preferred in a stable version when updating?
     *
     * @param  bool      $preferStable
     * @return Installer
     */
    public function setPreferStable($preferStable = true)
    {
        $this->preferStable = (bool) $preferStable;

return $this;
    }

/**
     * Should packages be preferred in a lowest version when updating?
     *
     * @param  bool      $preferLowest
     * @return Installer
     */
    public function setPreferLowest($preferLowest = true)
    {
        $this->preferLowest = (bool) $preferLowest;

return $this;
    }

/**
     * Should the lock file be updated when updating?
     *
     * This is disabled implicitly when enabling dryRun
     *
     * @param  bool      $writeLock
     * @return Installer
     */
    public function setWriteLock($writeLock = true)
    {
        $this->writeLock = (bool) $writeLock;

return $this;
    }

/**
     * Should the operations (package install, update and removal) be executed on disk?
     *
     * This is disabled implicitly when enabling dryRun
     *
     * @param  bool      $executeOperations
     * @return Installer
     */
    public function setExecuteOperations($executeOperations = true)
    {
        $this->executeOperations = (bool) $executeOperations;

return $this;
    }

/**
     * Should suggestions be skipped?
     *
     * @param  bool      $skipSuggest
     * @return Installer
     */
    public function setSkipSuggest($skipSuggest = true)
    {
        $this->skipSuggest = (bool) $skipSuggest;

return $this;
    }

/**
     * Disables plugins.
     *
     * Call this if you want to ensure that third-party code never gets
     * executed. The default is to automatically install, and execute
     * custom third-party installers.
     *
     * @return Installer
     */
    public function disablePlugins()
    {
        $this->installationManager->disablePlugins();

return $this;
    }

/**
     * @param  SuggestedPackagesReporter $suggestedPackagesReporter
     * @return Installer
     */
    public function setSuggestedPackagesReporter(SuggestedPackagesReporter $suggestedPackagesReporter)
    {
        $this->suggestedPackagesReporter = $suggestedPackagesReporter;

return $this;
    }
}
<?php

namespace Composer\Script;

use Composer\Installer\PackageEvent as BasePackageEvent;

/**
 * The Package Event.
 *
 * @deprecated Use Composer\Installer\PackageEvent instead
 */
class PackageEvent extends BasePackageEvent
{
}
<?php

namespace Composer\Script;

use Composer\Composer;
use Composer\IO\IOInterface;
use Composer\EventDispatcher\Event as BaseEvent;

/**
 * The script event class
 *
 * @author FranÃ§ois Pluchino <francois.pluchino@opendisplay.com>
 * @author Nils Adermann <naderman@naderman.de>
 */
class Event extends BaseEvent
{
    /**
     * @var Composer The composer instance
     */
    private $composer;

/**
     * @var IOInterface The IO instance
     */
    private $io;

/**
     * @var bool Dev mode flag
     */
    private $devMode;

/**
     * Constructor.
     *
     * @param string      $name     The event name
     * @param Composer    $composer The composer object
     * @param IOInterface $io       The IOInterface object
     * @param bool        $devMode  Whether or not we are in dev mode
     * @param array       $args     Arguments passed by the user
     * @param array       $flags    Optional flags to pass data not as argument
     */
    public function __construct($name, Composer $composer, IOInterface $io, $devMode = false, array $args = array(), array $flags = array())
    {
        parent::__construct($name, $args, $flags);
        $this->composer = $composer;
        $this->io = $io;
        $this->devMode = $devMode;
    }

/**
     * Returns the composer instance.
     *
     * @return Composer
     */
    public function getComposer()
    {
        return $this->composer;
    }

/**
     * Returns the IO instance.
     *
     * @return IOInterface
     */
    public function getIO()
    {
        return $this->io;
    }

/**
     * Return the dev mode flag
     *
     * @return bool
     */
    public function isDevMode()
    {
        return $this->devMode;
    }
}
<?php

namespace Composer\Script;

/**
 * The Command Event.
 *
 * @deprecated use Composer\Script\Event instead
 */
class CommandEvent extends Event
{
}
<?php

namespace Composer\Script;

/**
 * The Script Events.
 *
 * @author FranÃ§ois Pluchino <francois.pluchino@opendisplay.com>
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class ScriptEvents
{
    /**
     * The PRE_INSTALL_CMD event occurs before the install command is executed.
     *
     * The event listener method receives a Composer\Script\Event instance.
     *
     * @var string
     */
    const PRE_INSTALL_CMD = 'pre-install-cmd';

/**
     * The POST_INSTALL_CMD event occurs after the install command is executed.
     *
     * The event listener method receives a Composer\Script\Event instance.
     *
     * @var string
     */
    const POST_INSTALL_CMD = 'post-install-cmd';

/**
     * The PRE_UPDATE_CMD event occurs before the update command is executed.
     *
     * The event listener method receives a Composer\Script\Event instance.
     *
     * @var string
     */
    const PRE_UPDATE_CMD = 'pre-update-cmd';

/**
     * The POST_UPDATE_CMD event occurs after the update command is executed.
     *
     * The event listener method receives a Composer\Script\Event instance.
     *
     * @var string
     */
    const POST_UPDATE_CMD = 'post-update-cmd';

/**
     * The PRE_STATUS_CMD event occurs before the status command is executed.
     *
     * The event listener method receives a Composer\Script\Event instance.
     *
     * @var string
     */
    const PRE_STATUS_CMD = 'pre-status-cmd';

/**
     * The POST_STATUS_CMD event occurs after the status command is executed.
     *
     * The event listener method receives a Composer\Script\Event instance.
     *
     * @var string
     */
    const POST_STATUS_CMD = 'post-status-cmd';

/**
     * The PRE_AUTOLOAD_DUMP event occurs before the autoload file is generated.
     *
     * The event listener method receives a Composer\Script\Event instance.
     *
     * @var string
     */
    const PRE_AUTOLOAD_DUMP = 'pre-autoload-dump';

/**
     * The POST_AUTOLOAD_DUMP event occurs after the autoload file has been generated.
     *
     * The event listener method receives a Composer\Script\Event instance.
     *
     * @var string
     */
    const POST_AUTOLOAD_DUMP = 'post-autoload-dump';

/**
     * The POST_ROOT_PACKAGE_INSTALL event occurs after the root package has been installed.
     *
     * The event listener method receives a Composer\Script\Event instance.
     *
     * @var string
     */
    const POST_ROOT_PACKAGE_INSTALL = 'post-root-package-install';

/**
     * The POST_CREATE_PROJECT event occurs after the create-project command has been executed.
     * Note: Event occurs after POST_INSTALL_CMD
     *
     * The event listener method receives a Composer\Script\Event instance.
     *
     * @var string
     */
    const POST_CREATE_PROJECT_CMD = 'post-create-project-cmd';

/**
     * The PRE_ARCHIVE_CMD event occurs before the update command is executed.
     *
     * The event listener method receives a Composer\Script\Event instance.
     *
     * @var string
     */
    const PRE_ARCHIVE_CMD = 'pre-archive-cmd';

/**
     * The POST_ARCHIVE_CMD event occurs after the status command is executed.
     *
     * The event listener method receives a Composer\Script\Event instance.
     *
     * @var string
     */
    const POST_ARCHIVE_CMD = 'post-archive-cmd';

/** Deprecated constants below */

/**
     * The PRE_PACKAGE_INSTALL event occurs before a package is installed.
     *
     * The event listener method receives a Composer\Installer\PackageEvent instance.
     *
     * @deprecated Use Composer\Installer\PackageEvents::PRE_PACKAGE_INSTALL instead.
     * @var string
     */
    const PRE_PACKAGE_INSTALL = 'pre-package-install';

/**
     * The POST_PACKAGE_INSTALL event occurs after a package is installed.
     *
     * The event listener method receives a Composer\Installer\PackageEvent instance.
     *
     * @deprecated Use Composer\Installer\PackageEvents::POST_PACKAGE_INSTALL instead.
     * @var string
     */
    const POST_PACKAGE_INSTALL = 'post-package-install';

/**
     * The PRE_PACKAGE_UPDATE event occurs before a package is updated.
     *
     * The event listener method receives a Composer\Installer\PackageEvent instance.
     *
     * @deprecated Use Composer\Installer\PackageEvents::PRE_PACKAGE_UPDATE instead.
     * @var string
     */
    const PRE_PACKAGE_UPDATE = 'pre-package-update';

/**
     * The POST_PACKAGE_UPDATE event occurs after a package is updated.
     *
     * The event listener method receives a Composer\Installer\PackageEvent instance.
     *
     * @deprecated Use Composer\Installer\PackageEvents::POST_PACKAGE_UPDATE instead.
     * @var string
     */
    const POST_PACKAGE_UPDATE = 'post-package-update';

/**
     * The PRE_PACKAGE_UNINSTALL event occurs before a package has been uninstalled.
     *
     * The event listener method receives a Composer\Installer\PackageEvent instance.
     *
     * @deprecated Use Composer\Installer\PackageEvents::PRE_PACKAGE_UNINSTALL instead.
     * @var string
     */
    const PRE_PACKAGE_UNINSTALL = 'pre-package-uninstall';

/**
     * The POST_PACKAGE_UNINSTALL event occurs after a package has been uninstalled.
     *
     * The event listener method receives a Composer\Installer\PackageEvent instance.
     *
     * @deprecated Use Composer\Installer\PackageEvents::POST_PACKAGE_UNINSTALL instead.
     * @var string
     */
    const POST_PACKAGE_UNINSTALL = 'post-package-uninstall';
}
<?php

namespace Composer\Json;

use Exception;

/**
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class JsonValidationException extends Exception
{
    protected $errors;

public function __construct($message, $errors = array(), Exception $previous = null)
    {
        $this->errors = $errors;
        parent::__construct($message, 0, $previous);
    }

public function getErrors()
    {
        return $this->errors;
    }
}
<?php

namespace Composer\Json;

use Composer\Repository\PlatformRepository;

/**
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class JsonManipulator
{
    private static $DEFINES = '(?(DEFINE)
       (?<number>   -? (?= [1-9]|0(?!\d) ) \d+ (\.\d+)? ([eE] [+-]? \d+)? )
       (?<boolean>   true | false | null )
       (?<string>    " ([^"\\\\]* | \\\\ ["\\\\bfnrt\/] | \\\\ u [0-9a-f]{4} )* " )
       (?<array>     \[  (?:  (?&json) \s* (?: , (?&json) \s* )*  )?  \s* \] )
       (?<pair>      \s* (?&string) \s* : (?&json) \s* )
       (?<object>    \{  (?:  (?&pair)  (?: , (?&pair)  )*  )?  \s* \} )
       (?<json>   \s* (?: (?&number) | (?&boolean) | (?&string) | (?&array) | (?&object) ) )
    )';

private $contents;
    private $newline;
    private $indent;

public function __construct($contents)
    {
        $contents = trim($contents);
        if ($contents === '') {
            $contents = '{}';
        }
        if (!$this->pregMatch('#^\{(.*)\}$#s', $contents)) {
            throw new \InvalidArgumentException('The json file must be an object ({})');
        }
        $this->newline = false !== strpos($contents, "\r\n") ? "\r\n" : "\n";
        $this->contents = $contents === '{}' ? '{' . $this->newline . '}' : $contents;
        $this->detectIndenting();
    }

public function getContents()
    {
        return $this->contents . $this->newline;
    }

public function addLink($type, $package, $constraint, $sortPackages = false)
    {
        $decoded = JsonFile::parseJson($this->contents);

// no link of that type yet
        if (!isset($decoded[$type])) {
            return $this->addMainKey($type, array($package => $constraint));
        }

$regex = '{'.self::$DEFINES.'^(?P<start>\s*\{\s*(?:(?&string)\s*:\s*(?&json)\s*,\s*)*?)'.
            '(?P<property>'.preg_quote(JsonFile::encode($type)).'\s*:\s*)(?P<value>(?&json))(?P<end>.*)}sx';
        if (!$this->pregMatch($regex, $this->contents, $matches)) {
            return false;
        }

$links = $matches['value'];

// try to find existing link
        $packageRegex = str_replace('/', '\\\\?/', preg_quote($package));
        $regex = '{'.self::$DEFINES.'"(?P<package>'.$packageRegex.')"(\s*:\s*)(?&string)}ix';
        if ($this->pregMatch($regex, $links, $packageMatches)) {
            // update existing link
            $existingPackage = $packageMatches['package'];
            $packageRegex = str_replace('/', '\\\\?/', preg_quote($existingPackage));
            $links = preg_replace_callback('{'.self::$DEFINES.'"'.$packageRegex.'"(?P<separator>\s*:\s*)(?&string)}ix', function ($m) use ($existingPackage, $constraint) {
                return JsonFile::encode(str_replace('\\/', '/', $existingPackage)) . $m['separator'] . '"' . $constraint . '"';
            }, $links);
        } else {
            if ($this->pregMatch('#^\s*\{\s*\S+.*?(\s*\}\s*)$#s', $links, $match)) {
                // link missing but non empty links
                $links = preg_replace(
                    '{'.preg_quote($match[1]).'$}',
                    // addcslashes is used to double up backslashes/$ since preg_replace resolves them as back references otherwise, see #1588
                    addcslashes(',' . $this->newline . $this->indent . $this->indent . JsonFile::encode($package).': '.JsonFile::encode($constraint) . $match[1], '\\$'),
                    $links
                );
            } else {
                // links empty
                $links = '{' . $this->newline .
                    $this->indent . $this->indent . JsonFile::encode($package).': '.JsonFile::encode($constraint) . $this->newline .
                    $this->indent . '}';
            }
        }

if (true === $sortPackages) {
            $requirements = json_decode($links, true);
            $this->sortPackages($requirements);
            $links = $this->format($requirements);
        }

$this->contents = $matches['start'] . $matches['property'] . $links . $matches['end'];

return true;
    }

/**
     * Sorts packages by importance (platform packages first, then PHP dependencies) and alphabetically.
     *
     * @link https://getcomposer.org/doc/02-libraries.md#platform-packages
     *
     * @param array $packages
     */
    private function sortPackages(array &$packages = array())
    {
        $prefix = function ($requirement) {
            if (preg_match(PlatformRepository::PLATFORM_PACKAGE_REGEX, $requirement)) {
                return preg_replace(
                    array(
                        '/^php/',
                        '/^hhvm/',
                        '/^ext/',
                        '/^lib/',
                        '/^\D/',
                    ),
                    array(
                        '0-$0',
                        '1-$0',
                        '2-$0',
                        '3-$0',
                        '4-$0',
                    ),
                    $requirement
                );
            }

return '5-'.$requirement;
        };

uksort($packages, function ($a, $b) use ($prefix) {
            return strnatcmp($prefix($a), $prefix($b));
        });
    }

public function addRepository($name, $config)
    {
        return $this->addSubNode('repositories', $name, $config);
    }

public function removeRepository($name)
    {
        return $this->removeSubNode('repositories', $name);
    }

public function addConfigSetting($name, $value)
    {
        return $this->addSubNode('config', $name, $value);
    }

public function removeConfigSetting($name)
    {
        return $this->removeSubNode('config', $name);
    }

public function addProperty($name, $value)
    {
        if (substr($name, 0, 6) === 'extra.') {
            return $this->addSubNode('extra', substr($name, 6), $value);
        }

if (substr($name, 0, 8) === 'scripts.') {
            return $this->addSubNode('scripts', substr($name, 8), $value);
        }

return $this->addMainKey($name, $value);
    }

public function removeProperty($name)
    {
        if (substr($name, 0, 6) === 'extra.') {
            return $this->removeSubNode('extra', substr($name, 6));
        }

if (substr($name, 0, 8) === 'scripts.') {
            return $this->removeSubNode('scripts', substr($name, 8));
        }

return $this->removeMainKey($name);
    }

public function addSubNode($mainNode, $name, $value)
    {
        $decoded = JsonFile::parseJson($this->contents);

$subName = null;
        if (in_array($mainNode, array('config', 'extra', 'scripts')) && false !== strpos($name, '.')) {
            list($name, $subName) = explode('.', $name, 2);
        }

// no main node yet
        if (!isset($decoded[$mainNode])) {
            if ($subName !== null) {
                $this->addMainKey($mainNode, array($name => array($subName => $value)));
            } else {
                $this->addMainKey($mainNode, array($name => $value));
            }

return true;
        }

// main node content not match-able
        $nodeRegex = '{'.self::$DEFINES.'^(?P<start> \s* \{ \s* (?: (?&string) \s* : (?&json) \s* , \s* )*?'.
            preg_quote(JsonFile::encode($mainNode)).'\s*:\s*)(?P<content>(?&object))(?P<end>.*)}sx';

try {
            if (!$this->pregMatch($nodeRegex, $this->contents, $match)) {
                return false;
            }
        } catch (\RuntimeException $e) {
            if ($e->getCode() === PREG_BACKTRACK_LIMIT_ERROR) {
                return false;
            }
            throw $e;
        }

$children = $match['content'];
        // invalid match due to un-regexable content, abort
        if (!@json_decode($children)) {
            return false;
        }

$that = $this;

// child exists
        $childRegex = '{'.self::$DEFINES.'(?P<start>"'.preg_quote($name).'"\s*:\s*)(?P<content>(?&json))(?P<end>,?)}x';
        if ($this->pregMatch($childRegex, $children, $matches)) {
            $children = preg_replace_callback($childRegex, function ($matches) use ($subName, $value, $that) {
                if ($subName !== null) {
                    $curVal = json_decode($matches['content'], true);
                    if (!is_array($curVal)) {
                        $curVal = array();
                    }
                    $curVal[$subName] = $value;
                    $value = $curVal;
                }

return $matches['start'] . $that->format($value, 1) . $matches['end'];
            }, $children);
        } else {
            $this->pregMatch('#^{ \s*? (?P<content>\S+.*?)? (?P<trailingspace>\s*) }$#sx', $children, $match);

$whitespace = '';
            if (!empty($match['trailingspace'])) {
                $whitespace = $match['trailingspace'];
            }

if (!empty($match['content'])) {
                if ($subName !== null) {
                    $value = array($subName => $value);
                }

// child missing but non empty children
                $children = preg_replace(
                    '#'.$whitespace.'}$#',
                    addcslashes(',' . $this->newline . $this->indent . $this->indent . JsonFile::encode($name).': '.$this->format($value, 1) . $whitespace . '}', '\\$'),
                    $children
                );
            } else {
                if ($subName !== null) {
                    $value = array($subName => $value);
                }

// children present but empty
                $children = '{' . $this->newline . $this->indent . $this->indent . JsonFile::encode($name).': '.$this->format($value, 1) . $whitespace . '}';
            }
        }

$this->contents = preg_replace_callback($nodeRegex, function ($m) use ($children) {
            return $m['start'] . $children . $m['end'];
        }, $this->contents);

return true;
    }

public function removeSubNode($mainNode, $name)
    {
        $decoded = JsonFile::parseJson($this->contents);

// no node or empty node
        if (empty($decoded[$mainNode])) {
            return true;
        }

// no node content match-able
        $nodeRegex = '{'.self::$DEFINES.'^(?P<start> \s* \{ \s* (?: (?&string) \s* : (?&json) \s* , \s* )*?'.
            preg_quote(JsonFile::encode($mainNode)).'\s*:\s*)(?P<content>(?&object))(?P<end>.*)}sx';
        try {
            if (!$this->pregMatch($nodeRegex, $this->contents, $match)) {
                return false;
            }
        } catch (\RuntimeException $e) {
            if ($e->getCode() === PREG_BACKTRACK_LIMIT_ERROR) {
                return false;
            }
            throw $e;
        }

$children = $match['content'];

// invalid match due to un-regexable content, abort
        if (!@json_decode($children, true)) {
            return false;
        }

$subName = null;
        if (in_array($mainNode, array('config', 'extra', 'scripts')) && false !== strpos($name, '.')) {
            list($name, $subName) = explode('.', $name, 2);
        }

// no node to remove
        if (!isset($decoded[$mainNode][$name]) || ($subName && !isset($decoded[$mainNode][$name][$subName]))) {
            return true;
        }

// try and find a match for the subkey
        if ($this->pregMatch('{"'.preg_quote($name).'"\s*:}i', $children)) {
            // find best match for the value of "name"
            if (preg_match_all('{'.self::$DEFINES.'"'.preg_quote($name).'"\s*:\s*(?:(?&json))}x', $children, $matches)) {
                $bestMatch = '';
                foreach ($matches[0] as $match) {
                    if (strlen($bestMatch) < strlen($match)) {
                        $bestMatch = $match;
                    }
                }
                $childrenClean = preg_replace('{,\s*'.preg_quote($bestMatch).'}i', '', $children, -1, $count);
                if (1 !== $count) {
                    $childrenClean = preg_replace('{'.preg_quote($bestMatch).'\s*,?\s*}i', '', $childrenClean, -1, $count);
                    if (1 !== $count) {
                        return false;
                    }
                }
            }
        } else {
            $childrenClean = $children;
        }

// no child data left, $name was the only key in
        $this->pregMatch('#^{ \s*? (?P<content>\S+.*?)? (?P<trailingspace>\s*) }$#sx', $childrenClean, $match);
        if (empty($match['content'])) {
            $newline = $this->newline;
            $indent = $this->indent;

$this->contents = preg_replace_callback($nodeRegex, function ($matches) use ($indent, $newline) {
                return $matches['start'] . '{' . $newline . $indent . '}' . $matches['end'];
            }, $this->contents);

// we have a subname, so we restore the rest of $name
            if ($subName !== null) {
                $curVal = json_decode($children, true);
                unset($curVal[$name][$subName]);
                $this->addSubNode($mainNode, $name, $curVal[$name]);
            }

return true;
        }

$that = $this;
        $this->contents = preg_replace_callback($nodeRegex, function ($matches) use ($that, $name, $subName, $childrenClean) {
            if ($subName !== null) {
                $curVal = json_decode($matches['content'], true);
                unset($curVal[$name][$subName]);
                $childrenClean = $that->format($curVal, 0);
            }

return $matches['start'] . $childrenClean . $matches['end'];
        }, $this->contents);

return true;
    }

public function addMainKey($key, $content)
    {
        $decoded = JsonFile::parseJson($this->contents);
        $content = $this->format($content);

// key exists already
        $regex = '{'.self::$DEFINES.'^(?P<start>\s*\{\s*(?:(?&string)\s*:\s*(?&json)\s*,\s*)*?)'.
            '(?P<key>'.preg_quote(JsonFile::encode($key)).'\s*:\s*(?&json))(?P<end>.*)}sx';
        if (isset($decoded[$key]) && $this->pregMatch($regex, $this->contents, $matches)) {
            // invalid match due to un-regexable content, abort
            if (!@json_decode('{'.$matches['key'].'}')) {
                return false;
            }

$this->contents = $matches['start'] . JsonFile::encode($key).': '.$content . $matches['end'];

return true;
        }

// append at the end of the file and keep whitespace
        if ($this->pregMatch('#[^{\s](\s*)\}$#', $this->contents, $match)) {
            $this->contents = preg_replace(
                '#'.$match[1].'\}$#',
                addcslashes(',' . $this->newline . $this->indent . JsonFile::encode($key). ': '. $content . $this->newline . '}', '\\$'),
                $this->contents
            );

return true;
        }

// append at the end of the file
        $this->contents = preg_replace(
            '#\}$#',
            addcslashes($this->indent . JsonFile::encode($key). ': '.$content . $this->newline . '}', '\\$'),
            $this->contents
        );

return true;
    }

public function removeMainKey($key)
    {
        $decoded = JsonFile::parseJson($this->contents);

if (!array_key_exists($key, $decoded)) {
            return true;
        }

// key exists already
        $regex = '{'.self::$DEFINES.'^(?P<start>\s*\{\s*(?:(?&string)\s*:\s*(?&json)\s*,\s*)*?)'.
            '(?P<removal>'.preg_quote(JsonFile::encode($key)).'\s*:\s*(?&json))\s*,?\s*(?P<end>.*)}sx';
        if ($this->pregMatch($regex, $this->contents, $matches)) {
            // invalid match due to un-regexable content, abort
            if (!@json_decode('{'.$matches['removal'].'}')) {
                return false;
            }

// check that we are not leaving a dangling comma on the previous line if the last line was removed
            if (preg_match('#,\s*$#', $matches['start']) && preg_match('#^\}$#', $matches['end'])) {
                $matches['start'] = rtrim(preg_replace('#,(\s*)$#', '$1', $matches['start']), $this->indent);
            }

$this->contents = $matches['start'] . $matches['end'];
            if (preg_match('#^\{\s*\}\s*$#', $this->contents)) {
                $this->contents = "{\n}";
            }

return true;
        }

return false;
    }

public function format($data, $depth = 0)
    {
        if (is_array($data)) {
            reset($data);

if (is_numeric(key($data))) {
                foreach ($data as $key => $val) {
                    $data[$key] = $this->format($val, $depth + 1);
                }

return '['.implode(', ', $data).']';
            }

$out = '{' . $this->newline;
            $elems = array();
            foreach ($data as $key => $val) {
                $elems[] = str_repeat($this->indent, $depth + 2) . JsonFile::encode($key). ': '.$this->format($val, $depth + 1);
            }

return $out . implode(','.$this->newline, $elems) . $this->newline . str_repeat($this->indent, $depth + 1) . '}';
        }

return JsonFile::encode($data);
    }

protected function detectIndenting()
    {
        if ($this->pregMatch('{^([ \t]+)"}m', $this->contents, $match)) {
            $this->indent = $match[1];
        } else {
            $this->indent = '    ';
        }
    }

protected function pregMatch($re, $str, &$matches = array())
    {
        $count = preg_match($re, $str, $matches);

if ($count === false) {
            switch (preg_last_error()) {
                case PREG_NO_ERROR:
                    throw new \RuntimeException('Failed to execute regex: PREG_NO_ERROR', PREG_NO_ERROR);
                case PREG_INTERNAL_ERROR:
                    throw new \RuntimeException('Failed to execute regex: PREG_INTERNAL_ERROR', PREG_INTERNAL_ERROR);
                case PREG_BACKTRACK_LIMIT_ERROR:
                    throw new \RuntimeException('Failed to execute regex: PREG_BACKTRACK_LIMIT_ERROR', PREG_BACKTRACK_LIMIT_ERROR);
                case PREG_RECURSION_LIMIT_ERROR:
                    throw new \RuntimeException('Failed to execute regex: PREG_RECURSION_LIMIT_ERROR', PREG_RECURSION_LIMIT_ERROR);
                case PREG_BAD_UTF8_ERROR:
                    throw new \RuntimeException('Failed to execute regex: PREG_BAD_UTF8_ERROR', PREG_BAD_UTF8_ERROR);
                case PREG_BAD_UTF8_OFFSET_ERROR:
                    throw new \RuntimeException('Failed to execute regex: PREG_BAD_UTF8_OFFSET_ERROR', PREG_BAD_UTF8_OFFSET_ERROR);
                case 6: // PREG_JIT_STACKLIMIT_ERROR
                    if (PHP_VERSION_ID > 70000) {
                        throw new \RuntimeException('Failed to execute regex: PREG_JIT_STACKLIMIT_ERROR', 6);
                    }
                    // no break
                default:
                    throw new \RuntimeException('Failed to execute regex: Unknown error');
            }
        }

return $count;
    }
}
<?php

namespace Composer\Json;

use JsonSchema\Validator;
use Seld\JsonLint\JsonParser;
use Seld\JsonLint\ParsingException;
use Composer\Util\RemoteFilesystem;
use Composer\IO\IOInterface;
use Composer\Downloader\TransportException;

/**
 * Reads/writes json files.
 *
 * @author Konstantin Kudryashiv <ever.zet@gmail.com>
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class JsonFile
{
    const LAX_SCHEMA = 1;
    const STRICT_SCHEMA = 2;

const JSON_UNESCAPED_SLASHES = 64;
    const JSON_PRETTY_PRINT = 128;
    const JSON_UNESCAPED_UNICODE = 256;

private $path;
    private $rfs;
    private $io;

/**
     * Initializes json file reader/parser.
     *
     * @param  string                    $path path to a lockfile
     * @param  RemoteFilesystem          $rfs  required for loading http/https json files
     * @param  IOInterface               $io
     * @throws \InvalidArgumentException
     */
    public function __construct($path, RemoteFilesystem $rfs = null, IOInterface $io = null)
    {
        $this->path = $path;

if (null === $rfs && preg_match('{^https?://}i', $path)) {
            throw new \InvalidArgumentException('http urls require a RemoteFilesystem instance to be passed');
        }
        $this->rfs = $rfs;
        $this->io = $io;
    }

/**
     * @return string
     */
    public function getPath()
    {
        return $this->path;
    }

/**
     * Checks whether json file exists.
     *
     * @return bool
     */
    public function exists()
    {
        return is_file($this->path);
    }

/**
     * Reads json file.
     *
     * @throws \RuntimeException
     * @return mixed
     */
    public function read()
    {
        try {
            if ($this->rfs) {
                $json = $this->rfs->getContents($this->path, $this->path, false);
            } else {
                if ($this->io && $this->io->isDebug()) {
                    $this->io->writeError('Reading ' . $this->path);
                }
                $json = file_get_contents($this->path);
            }
        } catch (TransportException $e) {
            throw new \RuntimeException($e->getMessage(), 0, $e);
        } catch (\Exception $e) {
            throw new \RuntimeException('Could not read '.$this->path."\n\n".$e->getMessage());
        }

return static::parseJson($json, $this->path);
    }

/**
     * Writes json file.
     *
     * @param  array                                $hash    writes hash into json file
     * @param  int                                  $options json_encode options (defaults to JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE)
     * @throws \UnexpectedValueException|\Exception
     */
    public function write(array $hash, $options = 448)
    {
        $dir = dirname($this->path);
        if (!is_dir($dir)) {
            if (file_exists($dir)) {
                throw new \UnexpectedValueException(
                    $dir.' exists and is not a directory.'
                );
            }
            if (!@mkdir($dir, 0777, true)) {
                throw new \UnexpectedValueException(
                    $dir.' does not exist and could not be created.'
                );
            }
        }

$retries = 3;
        while ($retries--) {
            try {
                file_put_contents($this->path, static::encode($hash, $options). ($options & self::JSON_PRETTY_PRINT ? "\n" : ''));
                break;
            } catch (\Exception $e) {
                if ($retries) {
                    usleep(500000);
                    continue;
                }

throw $e;
            }
        }
    }

/**
     * Validates the schema of the current json file according to composer-schema.json rules
     *
     * @param  int                     $schema a JsonFile::*_SCHEMA constant
     * @throws JsonValidationException
     * @return bool                    true on success
     */
    public function validateSchema($schema = self::STRICT_SCHEMA)
    {
        $content = file_get_contents($this->path);
        $data = json_decode($content);

if (null === $data && 'null' !== $content) {
            self::validateSyntax($content, $this->path);
        }

$schemaFile = __DIR__ . '/../../../res/composer-schema.json';

// Prepend with file:// only when not using a special schema already (e.g. in the phar)
        if (false === strpos($schemaFile, '://')) {
            $schemaFile = 'file://' . $schemaFile;
        }

$schemaData = (object) array('$ref' => $schemaFile);

if ($schema === self::LAX_SCHEMA) {
            $schemaData->additionalProperties = true;
            $schemaData->required = array();
        }

$validator = new Validator();
        $validator->check($data, $schemaData);

// TODO add more validation like check version constraints and such, perhaps build that into the arrayloader?

if (!$validator->isValid()) {
            $errors = array();
            foreach ((array) $validator->getErrors() as $error) {
                $errors[] = ($error['property'] ? $error['property'].' : ' : '').$error['message'];
            }
            throw new JsonValidationException('"'.$this->path.'" does not match the expected JSON schema', $errors);
        }

return true;
    }

/**
     * Encodes an array into (optionally pretty-printed) JSON
     *
     * @param  mixed  $data    Data to encode into a formatted JSON string
     * @param  int    $options json_encode options (defaults to JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE)
     * @return string Encoded json
     */
    public static function encode($data, $options = 448)
    {
        if (PHP_VERSION_ID >= 50400) {
            $json = json_encode($data, $options);
            if (false === $json) {
                self::throwEncodeError(json_last_error());
            }

//  compact brackets to follow recent php versions
            if (PHP_VERSION_ID < 50428 || (PHP_VERSION_ID >= 50500 && PHP_VERSION_ID < 50512) || (defined('JSON_C_VERSION') && version_compare(phpversion('json'), '1.3.6', '<'))) {
                $json = preg_replace('/\[\s+\]/', '[]', $json);
                $json = preg_replace('/\{\s+\}/', '{}', $json);
            }

return $json;
        }

$json = json_encode($data);
        if (false === $json) {
            self::throwEncodeError(json_last_error());
        }

$prettyPrint = (bool) ($options & self::JSON_PRETTY_PRINT);
        $unescapeUnicode = (bool) ($options & self::JSON_UNESCAPED_UNICODE);
        $unescapeSlashes = (bool) ($options & self::JSON_UNESCAPED_SLASHES);

if (!$prettyPrint && !$unescapeUnicode && !$unescapeSlashes) {
            return $json;
        }

return JsonFormatter::format($json, $unescapeUnicode, $unescapeSlashes);
    }

/**
     * Throws an exception according to a given code with a customized message
     *
     * @param  int               $code return code of json_last_error function
     * @throws \RuntimeException
     */
    private static function throwEncodeError($code)
    {
        switch ($code) {
            case JSON_ERROR_DEPTH:
                $msg = 'Maximum stack depth exceeded';
                break;
            case JSON_ERROR_STATE_MISMATCH:
                $msg = 'Underflow or the modes mismatch';
                break;
            case JSON_ERROR_CTRL_CHAR:
                $msg = 'Unexpected control character found';
                break;
            case JSON_ERROR_UTF8:
                $msg = 'Malformed UTF-8 characters, possibly incorrectly encoded';
                break;
            default:
                $msg = 'Unknown error';
        }

throw new \RuntimeException('JSON encoding failed: '.$msg);
    }

/**
     * Parses json string and returns hash.
     *
     * @param string $json json string
     * @param string $file the json file
     *
     * @return mixed
     */
    public static function parseJson($json, $file = null)
    {
        if (null === $json) {
            return;
        }
        $data = json_decode($json, true);
        if (null === $data && JSON_ERROR_NONE !== json_last_error()) {
            self::validateSyntax($json, $file);
        }

return $data;
    }

/**
     * Validates the syntax of a JSON string
     *
     * @param  string                    $json
     * @param  string                    $file
     * @throws \UnexpectedValueException
     * @throws ParsingException
     * @return bool                      true on success
     */
    protected static function validateSyntax($json, $file = null)
    {
        $parser = new JsonParser();
        $result = $parser->lint($json);
        if (null === $result) {
            if (defined('JSON_ERROR_UTF8') && JSON_ERROR_UTF8 === json_last_error()) {
                throw new \UnexpectedValueException('"'.$file.'" is not UTF-8, could not parse as JSON');
            }

return true;
        }

throw new ParsingException('"'.$file.'" does not contain valid JSON'."\n".$result->getMessage(), $result->getDetails());
    }
}
<?php

namespace Composer\Json;

/**
 * Formats json strings used for php < 5.4 because the json_encode doesn't
 * supports the flags JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE
 * in these versions
 *
 * @author Konstantin Kudryashiv <ever.zet@gmail.com>
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class JsonFormatter
{
    /**
     * This code is based on the function found at:
     *  http://recursive-design.com/blog/2008/03/11/format-json-with-php/
     *
     * Originally licensed under MIT by Dave Perrett <mail@recursive-design.com>
     *
     *
     * @param  string $json
     * @param  bool   $unescapeUnicode Un escape unicode
     * @param  bool   $unescapeSlashes Un escape slashes
     * @return string
     */
    public static function format($json, $unescapeUnicode, $unescapeSlashes)
    {
        $result = '';
        $pos = 0;
        $strLen = strlen($json);
        $indentStr = '    ';
        $newLine = "\n";
        $outOfQuotes = true;
        $buffer = '';
        $noescape = true;

for ($i = 0; $i < $strLen; $i++) {
            // Grab the next character in the string
            $char = substr($json, $i, 1);

// Are we inside a quoted string?
            if ('"' === $char && $noescape) {
                $outOfQuotes = !$outOfQuotes;
            }

if (!$outOfQuotes) {
                $buffer .= $char;
                $noescape = '\\' === $char ? !$noescape : true;
                continue;
            } elseif ('' !== $buffer) {
                if ($unescapeSlashes) {
                    $buffer = str_replace('\\/', '/', $buffer);
                }

if ($unescapeUnicode && function_exists('mb_convert_encoding')) {
                    // https://stackoverflow.com/questions/2934563/how-to-decode-unicode-escape-sequences-like-u00ed-to-proper-utf-8-encoded-cha
                    $buffer = preg_replace_callback('/(\\\\+)u([0-9a-f]{4})/i', function ($match) {
                        $l = strlen($match[1]);

if ($l % 2) {
                            $code = hexdec($match[2]);
                            // 0xD800..0xDFFF denotes UTF-16 surrogate pair which won't be unescaped
                            // see https://github.com/composer/composer/issues/7510
                            if (0xD800 <= $code && 0xDFFF >= $code) {
                                return $match[0];
                            }

return str_repeat('\\', $l - 1) . mb_convert_encoding(
                                pack('H*', $match[2]),
                                'UTF-8',
                                'UCS-2BE'
                            );
                        }

return $match[0];
                    }, $buffer);
                }

$result .= $buffer.$char;
                $buffer = '';
                continue;
            }

if (':' === $char) {
                // Add a space after the : character
                $char .= ' ';
            } elseif ('}' === $char || ']' === $char) {
                $pos--;
                $prevChar = substr($json, $i - 1, 1);

if ('{' !== $prevChar && '[' !== $prevChar) {
                    // If this character is the end of an element,
                    // output a new line and indent the next line
                    $result .= $newLine;
                    for ($j = 0; $j < $pos; $j++) {
                        $result .= $indentStr;
                    }
                } else {
                    // Collapse empty {} and []
                    $result = rtrim($result);
                }
            }

$result .= $char;

// If the last character was the beginning of an element,
            // output a new line and indent the next line
            if (',' === $char || '{' === $char || '[' === $char) {
                $result .= $newLine;

if ('{' === $char || '[' === $char) {
                    $pos++;
                }

for ($j = 0; $j < $pos; $j++) {
                    $result .= $indentStr;
                }
            }
        }

return $result;
    }
}
<?php

namespace Composer\Util;

use Composer\Spdx\SpdxLicenses;

trigger_error('The ' . __NAMESPACE__ . '\SpdxLicense class is deprecated, use Composer\Spdx\SpdxLicenses instead.', E_USER_DEPRECATED);

/**
 * @deprecated use Composer\Spdx\SpdxLicenses instead
 */
class SpdxLicense extends SpdxLicenses
{
}
<?php

namespace Composer\Util;

use Composer\IO\IOInterface;
use Composer\Config;
use Composer\Factory;
use Composer\Downloader\TransportException;
use Composer\Json\JsonFile;

/**
 * @author Roshan Gautam <roshan.gautam@hotmail.com>
 */
class GitLab
{
    protected $io;
    protected $config;
    protected $process;
    protected $remoteFilesystem;

/**
     * Constructor.
     *
     * @param IOInterface      $io               The IO instance
     * @param Config           $config           The composer configuration
     * @param ProcessExecutor  $process          Process instance, injectable for mocking
     * @param RemoteFilesystem $remoteFilesystem Remote Filesystem, injectable for mocking
     */
    public function __construct(IOInterface $io, Config $config, ProcessExecutor $process = null, RemoteFilesystem $remoteFilesystem = null)
    {
        $this->io = $io;
        $this->config = $config;
        $this->process = $process ?: new ProcessExecutor($io);
        $this->remoteFilesystem = $remoteFilesystem ?: Factory::createRemoteFilesystem($this->io, $config);
    }

/**
     * Attempts to authorize a GitLab domain via OAuth.
     *
     * @param string $originUrl The host this GitLab instance is located at
     *
     * @return bool true on success
     */
    public function authorizeOAuth($originUrl)
    {
        if (!in_array($originUrl, $this->config->get('gitlab-domains'), true)) {
            return false;
        }

// if available use token from git config
        if (0 === $this->process->execute('git config gitlab.accesstoken', $output)) {
            $this->io->setAuthentication($originUrl, trim($output), 'oauth2');

return true;
        }

// if available use token from composer config
        $authTokens = $this->config->get('gitlab-token');

if (isset($authTokens[$originUrl])) {
            $this->io->setAuthentication($originUrl, $authTokens[$originUrl], 'private-token');

return true;
        }

return false;
    }

/**
     * Authorizes a GitLab domain interactively via OAuth.
     *
     * @param string $scheme    Scheme used in the origin URL
     * @param string $originUrl The host this GitLab instance is located at
     * @param string $message   The reason this authorization is required
     *
     * @throws \RuntimeException
     * @throws TransportException|\Exception
     *
     * @return bool true on success
     */
    public function authorizeOAuthInteractively($scheme, $originUrl, $message = null)
    {
        if ($message) {
            $this->io->writeError($message);
        }

$this->io->writeError(sprintf('A token will be created and stored in "%s", your password will never be stored', $this->config->getAuthConfigSource()->getName()));
        $this->io->writeError('To revoke access to this token you can visit '.$originUrl.'/profile/applications');

$attemptCounter = 0;

while ($attemptCounter++ < 5) {
            try {
                $response = $this->createToken($scheme, $originUrl);
            } catch (TransportException $e) {
                // 401 is bad credentials,
                // 403 is max login attempts exceeded
                if (in_array($e->getCode(), array(403, 401))) {
                    if (401 === $e->getCode()) {
                        $this->io->writeError('Bad credentials.');
                    } else {
                        $this->io->writeError('Maximum number of login attempts exceeded. Please try again later.');
                    }

$this->io->writeError('You can also manually create a personal token at '.$scheme.'://'.$originUrl.'/profile/personal_access_tokens');
                    $this->io->writeError('Add it using "composer config --global --auth gitlab-token.'.$originUrl.' <token>"');

continue;
                }

throw $e;
            }

$this->io->setAuthentication($originUrl, $response['access_token'], 'oauth2');

// store value in user config in auth file
            $this->config->getAuthConfigSource()->addConfigSetting('gitlab-oauth.'.$originUrl, $response['access_token']);

return true;
        }

throw new \RuntimeException('Invalid GitLab credentials 5 times in a row, aborting.');
    }

private function createToken($scheme, $originUrl)
    {
        $username = $this->io->ask('Username: ');
        $password = $this->io->askAndHideAnswer('Password: ');

$headers = array('Content-Type: application/x-www-form-urlencoded');

$apiUrl = $originUrl;
        $data = http_build_query(array(
            'username' => $username,
            'password' => $password,
            'grant_type' => 'password',
        ), null, '&');
        $options = array(
            'retry-auth-failure' => false,
            'http' => array(
                'method' => 'POST',
                'header' => $headers,
                'content' => $data,
            ),
        );

$json = $this->remoteFilesystem->getContents($originUrl, $scheme.'://'.$apiUrl.'/oauth/token', false, $options);

$this->io->writeError('Token successfully created');

return JsonFile::parseJson($json);
    }
}
<?php

namespace Composer\Util;

use RecursiveDirectoryIterator;
use RecursiveIteratorIterator;
use Symfony\Component\Filesystem\Exception\IOException;
use Symfony\Component\Finder\Finder;

/**
 * @author Jordi Boggiano <j.boggiano@seld.be>
 * @author Johannes M. Schmitt <schmittjoh@gmail.com>
 */
class Filesystem
{
    private $processExecutor;

public function __construct(ProcessExecutor $executor = null)
    {
        $this->processExecutor = $executor ?: new ProcessExecutor();
    }

public function remove($file)
    {
        if (is_dir($file)) {
            return $this->removeDirectory($file);
        }

if (file_exists($file)) {
            return $this->unlink($file);
        }

return false;
    }

/**
     * Checks if a directory is empty
     *
     * @param  string $dir
     * @return bool
     */
    public function isDirEmpty($dir)
    {
        $finder = Finder::create()
            ->ignoreVCS(false)
            ->ignoreDotFiles(false)
            ->depth(0)
            ->in($dir);

return count($finder) === 0;
    }

public function emptyDirectory($dir, $ensureDirectoryExists = true)
    {
        if (file_exists($dir) && is_link($dir)) {
            $this->unlink($dir);
        }

if ($ensureDirectoryExists) {
            $this->ensureDirectoryExists($dir);
        }

if (is_dir($dir)) {
            $finder = Finder::create()
                ->ignoreVCS(false)
                ->ignoreDotFiles(false)
                ->depth(0)
                ->in($dir);

foreach ($finder as $path) {
                $this->remove((string) $path);
            }
        }
    }

/**
     * Recursively remove a directory
     *
     * Uses the process component if proc_open is enabled on the PHP
     * installation.
     *
     * @param  string            $directory
     * @throws \RuntimeException
     * @return bool
     */
    public function removeDirectory($directory)
    {
        if ($this->isSymlinkedDirectory($directory)) {
            return $this->unlinkSymlinkedDirectory($directory);
        }

if ($this->isJunction($directory)) {
            return $this->removeJunction($directory);
        }

if (is_link($directory)) {
            return unlink($directory);
        }

if (!file_exists($directory) || !is_dir($directory)) {
            return true;
        }

if (preg_match('{^(?:[a-z]:)?[/\\\\]+$}i', $directory)) {
            throw new \RuntimeException('Aborting an attempted deletion of '.$directory.', this was probably not intended, if it is a real use case please report it.');
        }

if (!function_exists('proc_open')) {
            return $this->removeDirectoryPhp($directory);
        }

if (Platform::isWindows()) {
            $cmd = sprintf('rmdir /S /Q %s', ProcessExecutor::escape(realpath($directory)));
        } else {
            $cmd = sprintf('rm -rf %s', ProcessExecutor::escape($directory));
        }

$result = $this->getProcess()->execute($cmd, $output) === 0;

// clear stat cache because external processes aren't tracked by the php stat cache
        clearstatcache();

if ($result && !file_exists($directory)) {
            return true;
        }

return $this->removeDirectoryPhp($directory);
    }

/**
     * Recursively delete directory using PHP iterators.
     *
     * Uses a CHILD_FIRST RecursiveIteratorIterator to sort files
     * before directories, creating a single non-recursive loop
     * to delete files/directories in the correct order.
     *
     * @param  string $directory
     * @return bool
     */
    public function removeDirectoryPhp($directory)
    {
        try {
            $it = new RecursiveDirectoryIterator($directory, RecursiveDirectoryIterator::SKIP_DOTS);
        } catch (\UnexpectedValueException $e) {
            // re-try once after clearing the stat cache if it failed as it
            // sometimes fails without apparent reason, see https://github.com/composer/composer/issues/4009
            clearstatcache();
            usleep(100000);
            if (!is_dir($directory)) {
                return true;
            }
            $it = new RecursiveDirectoryIterator($directory, RecursiveDirectoryIterator::SKIP_DOTS);
        }
        $ri = new RecursiveIteratorIterator($it, RecursiveIteratorIterator::CHILD_FIRST);

foreach ($ri as $file) {
            if ($file->isDir()) {
                $this->rmdir($file->getPathname());
            } else {
                $this->unlink($file->getPathname());
            }
        }

return $this->rmdir($directory);
    }

public function ensureDirectoryExists($directory)
    {
        if (!is_dir($directory)) {
            if (file_exists($directory)) {
                throw new \RuntimeException(
                    $directory.' exists and is not a directory.'
                );
            }
            if (!@mkdir($directory, 0777, true)) {
                throw new \RuntimeException(
                    $directory.' does not exist and could not be created.'
                );
            }
        }
    }

/**
     * Attempts to unlink a file and in case of failure retries after 350ms on windows
     *
     * @param  string            $path
     * @throws \RuntimeException
     * @return bool
     */
    public function unlink($path)
    {
        if (!@$this->unlinkImplementation($path)) {
            // retry after a bit on windows since it tends to be touchy with mass removals
            if (!Platform::isWindows() || (usleep(350000) && !@$this->unlinkImplementation($path))) {
                $error = error_get_last();
                $message = 'Could not delete '.$path.': ' . @$error['message'];
                if (Platform::isWindows()) {
                    $message .= "\nThis can be due to an antivirus or the Windows Search Indexer locking the file while they are analyzed";
                }

throw new \RuntimeException($message);
            }
        }

return true;
    }

/**
     * Attempts to rmdir a file and in case of failure retries after 350ms on windows
     *
     * @param  string            $path
     * @throws \RuntimeException
     * @return bool
     */
    public function rmdir($path)
    {
        if (!@rmdir($path)) {
            // retry after a bit on windows since it tends to be touchy with mass removals
            if (!Platform::isWindows() || (usleep(350000) && !@rmdir($path))) {
                $error = error_get_last();
                $message = 'Could not delete '.$path.': ' . @$error['message'];
                if (Platform::isWindows()) {
                    $message .= "\nThis can be due to an antivirus or the Windows Search Indexer locking the file while they are analyzed";
                }

throw new \RuntimeException($message);
            }
        }

return true;
    }

/**
     * Copy then delete is a non-atomic version of {@link rename}.
     *
     * Some systems can't rename and also don't have proc_open,
     * which requires this solution.
     *
     * @param string $source
     * @param string $target
     */
    public function copyThenRemove($source, $target)
    {
        $this->copy($source, $target);
        if (!is_dir($source)) {
            $this->unlink($source);

return;
        }

$this->removeDirectoryPhp($source);
    }

/**
     * Copies a file or directory from $source to $target.
     *
     * @param string $source
     * @param string $target
     * @return bool
     */
    public function copy($source, $target)
    {
        if (!is_dir($source)) {
            return copy($source, $target);
        }

$it = new RecursiveDirectoryIterator($source, RecursiveDirectoryIterator::SKIP_DOTS);
        $ri = new RecursiveIteratorIterator($it, RecursiveIteratorIterator::SELF_FIRST);
        $this->ensureDirectoryExists($target);

$result = true;
        foreach ($ri as $file) {
            $targetPath = $target . DIRECTORY_SEPARATOR . $ri->getSubPathName();
            if ($file->isDir()) {
                $this->ensureDirectoryExists($targetPath);
            } else {
                $result = $result && copy($file->getPathname(), $targetPath);
            }
        }

return $result;
    }

public function rename($source, $target)
    {
        if (true === @rename($source, $target)) {
            return;
        }

if (!function_exists('proc_open')) {
            return $this->copyThenRemove($source, $target);
        }

if (Platform::isWindows()) {
            // Try to copy & delete - this is a workaround for random "Access denied" errors.
            $command = sprintf('xcopy %s %s /E /I /Q /Y', ProcessExecutor::escape($source), ProcessExecutor::escape($target));
            $result = $this->processExecutor->execute($command, $output);

// clear stat cache because external processes aren't tracked by the php stat cache
            clearstatcache();

if (0 === $result) {
                $this->remove($source);

return;
            }
        } else {
            // We do not use PHP's "rename" function here since it does not support
            // the case where $source, and $target are located on different partitions.
            $command = sprintf('mv %s %s', ProcessExecutor::escape($source), ProcessExecutor::escape($target));
            $result = $this->processExecutor->execute($command, $output);

// clear stat cache because external processes aren't tracked by the php stat cache
            clearstatcache();

if (0 === $result) {
                return;
            }
        }

return $this->copyThenRemove($source, $target);
    }

/**
     * Returns the shortest path from $from to $to
     *
     * @param  string                    $from
     * @param  string                    $to
     * @param  bool                      $directories if true, the source/target are considered to be directories
     * @throws \InvalidArgumentException
     * @return string
     */
    public function findShortestPath($from, $to, $directories = false)
    {
        if (!$this->isAbsolutePath($from) || !$this->isAbsolutePath($to)) {
            throw new \InvalidArgumentException(sprintf('$from (%s) and $to (%s) must be absolute paths.', $from, $to));
        }

$from = lcfirst($this->normalizePath($from));
        $to = lcfirst($this->normalizePath($to));

if ($directories) {
            $from = rtrim($from, '/') . '/dummy_file';
        }

if (dirname($from) === dirname($to)) {
            return './'.basename($to);
        }

$commonPath = $to;
        while (strpos($from.'/', $commonPath.'/') !== 0 && '/' !== $commonPath && !preg_match('{^[a-z]:/?$}i', $commonPath)) {
            $commonPath = strtr(dirname($commonPath), '\\', '/');
        }

if (0 !== strpos($from, $commonPath) || '/' === $commonPath) {
            return $to;
        }

$commonPath = rtrim($commonPath, '/') . '/';
        $sourcePathDepth = substr_count(substr($from, strlen($commonPath)), '/');
        $commonPathCode = str_repeat('../', $sourcePathDepth);

return ($commonPathCode . substr($to, strlen($commonPath))) ?: './';
    }

/**
     * Returns PHP code that, when executed in $from, will return the path to $to
     *
     * @param  string                    $from
     * @param  string                    $to
     * @param  bool                      $directories if true, the source/target are considered to be directories
     * @param  bool                      $staticCode
     * @throws \InvalidArgumentException
     * @return string
     */
    public function findShortestPathCode($from, $to, $directories = false, $staticCode = false)
    {
        if (!$this->isAbsolutePath($from) || !$this->isAbsolutePath($to)) {
            throw new \InvalidArgumentException(sprintf('$from (%s) and $to (%s) must be absolute paths.', $from, $to));
        }

$from = lcfirst($this->normalizePath($from));
        $to = lcfirst($this->normalizePath($to));

if ($from === $to) {
            return $directories ? '__DIR__' : '__FILE__';
        }

$commonPath = $to;
        while (strpos($from.'/', $commonPath.'/') !== 0 && '/' !== $commonPath && !preg_match('{^[a-z]:/?$}i', $commonPath) && '.' !== $commonPath) {
            $commonPath = strtr(dirname($commonPath), '\\', '/');
        }

if (0 !== strpos($from, $commonPath) || '/' === $commonPath || '.' === $commonPath) {
            return var_export($to, true);
        }

$commonPath = rtrim($commonPath, '/') . '/';
        if (strpos($to, $from.'/') === 0) {
            return '__DIR__ . '.var_export(substr($to, strlen($from)), true);
        }
        $sourcePathDepth = substr_count(substr($from, strlen($commonPath)), '/') + $directories;
        if ($staticCode) {
            $commonPathCode = "__DIR__ . '".str_repeat('/..', $sourcePathDepth)."'";
        } else {
            $commonPathCode = str_repeat('dirname(', $sourcePathDepth).'__DIR__'.str_repeat(')', $sourcePathDepth);
        }
        $relTarget = substr($to, strlen($commonPath));

return $commonPathCode . (strlen($relTarget) ? '.' . var_export('/' . $relTarget, true) : '');
    }

/**
     * Checks if the given path is absolute
     *
     * @param  string $path
     * @return bool
     */
    public function isAbsolutePath($path)
    {
        return substr($path, 0, 1) === '/' || substr($path, 1, 1) === ':';
    }

/**
     * Returns size of a file or directory specified by path. If a directory is
     * given, it's size will be computed recursively.
     *
     * @param  string            $path Path to the file or directory
     * @throws \RuntimeException
     * @return int
     */
    public function size($path)
    {
        if (!file_exists($path)) {
            throw new \RuntimeException("$path does not exist.");
        }
        if (is_dir($path)) {
            return $this->directorySize($path);
        }

return filesize($path);
    }

/**
     * Normalize a path. This replaces backslashes with slashes, removes ending
     * slash and collapses redundant separators and up-level references.
     *
     * @param  string $path Path to the file or directory
     * @return string
     */
    public function normalizePath($path)
    {
        $parts = array();
        $path = strtr($path, '\\', '/');
        $prefix = '';
        $absolute = false;

// extract a prefix being a protocol://, protocol:, protocol://drive: or simply drive:
        if (preg_match('{^( [0-9a-z]{2,}+: (?: // (?: [a-z]: )? )? | [a-z]: )}ix', $path, $match)) {
            $prefix = $match[1];
            $path = substr($path, strlen($prefix));
        }

if (substr($path, 0, 1) === '/') {
            $absolute = true;
            $path = substr($path, 1);
        }

$up = false;
        foreach (explode('/', $path) as $chunk) {
            if ('..' === $chunk && ($absolute || $up)) {
                array_pop($parts);
                $up = !(empty($parts) || '..' === end($parts));
            } elseif ('.' !== $chunk && '' !== $chunk) {
                $parts[] = $chunk;
                $up = '..' !== $chunk;
            }
        }

return $prefix.($absolute ? '/' : '').implode('/', $parts);
    }

/**
     * Return if the given path is local
     *
     * @param  string $path
     * @return bool
     */
    public static function isLocalPath($path)
    {
        return (bool) preg_match('{^(file://(?!//)|/(?!/)|/?[a-z]:[\\\\/]|\.\.[\\\\/]|[a-z0-9_.-]+[\\\\/])}i', $path);
    }

public static function getPlatformPath($path)
    {
        if (Platform::isWindows()) {
            $path = preg_replace('{^(?:file:///([a-z]):?/)}i', 'file://$1:/', $path);
        }

return preg_replace('{^file://}i', '', $path);
    }

protected function directorySize($directory)
    {
        $it = new RecursiveDirectoryIterator($directory, RecursiveDirectoryIterator::SKIP_DOTS);
        $ri = new RecursiveIteratorIterator($it, RecursiveIteratorIterator::CHILD_FIRST);

$size = 0;
        foreach ($ri as $file) {
            if ($file->isFile()) {
                $size += $file->getSize();
            }
        }

return $size;
    }

protected function getProcess()
    {
        return $this->processExecutor;
    }

/**
     * delete symbolic link implementation (commonly known as "unlink()")
     *
     * symbolic links on windows which link to directories need rmdir instead of unlink
     *
     * @param string $path
     *
     * @return bool
     */
    private function unlinkImplementation($path)
    {
        if (Platform::isWindows() && is_dir($path) && is_link($path)) {
            return rmdir($path);
        }

return unlink($path);
    }

/**
     * Creates a relative symlink from $link to $target
     *
     * @param  string $target The path of the binary file to be symlinked
     * @param  string $link   The path where the symlink should be created
     * @return bool
     */
    public function relativeSymlink($target, $link)
    {
        $cwd = getcwd();

$relativePath = $this->findShortestPath($link, $target);
        chdir(dirname($link));
        $result = @symlink($relativePath, $link);

chdir($cwd);

return $result;
    }

/**
     * return true if that directory is a symlink.
     *
     * @param string $directory
     *
     * @return bool
     */
    public function isSymlinkedDirectory($directory)
    {
        if (!is_dir($directory)) {
            return false;
        }

$resolved = $this->resolveSymlinkedDirectorySymlink($directory);

return is_link($resolved);
    }

/**
     * @param string $directory
     *
     * @return bool
     */
    private function unlinkSymlinkedDirectory($directory)
    {
        $resolved = $this->resolveSymlinkedDirectorySymlink($directory);

return $this->unlink($resolved);
    }

/**
     * resolve pathname to symbolic link of a directory
     *
     * @param string $pathname directory path to resolve
     *
     * @return string resolved path to symbolic link or original pathname (unresolved)
     */
    private function resolveSymlinkedDirectorySymlink($pathname)
    {
        if (!is_dir($pathname)) {
            return $pathname;
        }

$resolved = rtrim($pathname, '/');

if (!strlen($resolved)) {
            return $pathname;
        }

return $resolved;
    }

/**
     * Creates an NTFS junction.
     *
     * @param string $target
     * @param string $junction
     */
    public function junction($target, $junction)
    {
        if (!Platform::isWindows()) {
            throw new \LogicException(sprintf('Function %s is not available on non-Windows platform', __CLASS__));
        }
        if (!is_dir($target)) {
            throw new IOException(sprintf('Cannot junction to "%s" as it is not a directory.', $target), 0, null, $target);
        }
        $cmd = sprintf(
            'mklink /J %s %s',
            ProcessExecutor::escape(str_replace('/', DIRECTORY_SEPARATOR, $junction)),
            ProcessExecutor::escape(realpath($target))
        );
        if ($this->getProcess()->execute($cmd, $output) !== 0) {
            throw new IOException(sprintf('Failed to create junction to "%s" at "%s".', $target, $junction), 0, null, $target);
        }
        clearstatcache(true, $junction);
    }

/**
     * Returns whether the target directory is a Windows NTFS Junction.
     *
     * @param  string $junction Path to check.
     * @return bool
     */
    public function isJunction($junction)
    {
        if (!Platform::isWindows()) {
            return false;
        }
        if (!is_dir($junction) || is_link($junction)) {
            return false;
        }
        /**
         * According to MSDN at https://msdn.microsoft.com/en-us/library/14h5k7ff.aspx we can detect a junction now
         * using the 'mode' value from stat: "The _S_IFDIR bit is set if path specifies a directory; the _S_IFREG bit
         * is set if path specifies an ordinary file or a device." We have just tested for a directory above, so if
         * we have a directory that isn't one according to lstat(...) we must have a junction.
         *
         * #define	_S_IFDIR	0x4000
         * #define	_S_IFREG	0x8000
         *
         * Stat cache should be cleared before to avoid accidentally reading wrong information from previous installs.
         */
        clearstatcache(true, $junction);
        clearstatcache(false);
        $stat = lstat($junction);

return !($stat['mode'] & 0xC000);
    }

/**
     * Removes a Windows NTFS junction.
     *
     * @param  string $junction
     * @return bool
     */
    public function removeJunction($junction)
    {
        if (!Platform::isWindows()) {
            return false;
        }
        $junction = rtrim(str_replace('/', DIRECTORY_SEPARATOR, $junction), DIRECTORY_SEPARATOR);
        if (!$this->isJunction($junction)) {
            throw new IOException(sprintf('%s is not a junction and thus cannot be removed as one', $junction));
        }
        $cmd = sprintf('rmdir /S /Q %s', ProcessExecutor::escape($junction));
        clearstatcache(true, $junction);

return ($this->getProcess()->execute($cmd, $output) === 0);
    }
}
<?php

namespace Composer\Util;

/**
 * Temporarily suppress PHP error reporting, usually warnings and below.
 *
 * @author Niels Keurentjes <niels.keurentjes@omines.com>
 */
class Silencer
{
    /**
     * @var int[] Unpop stack
     */
    private static $stack = array();

/**
     * Suppresses given mask or errors.
     *
     * @param  int|null $mask Error levels to suppress, default value NULL indicates all warnings and below.
     * @return int      The old error reporting level.
     */
    public static function suppress($mask = null)
    {
        if (!isset($mask)) {
            $mask = E_WARNING | E_NOTICE | E_USER_WARNING | E_USER_NOTICE | E_DEPRECATED | E_USER_DEPRECATED | E_STRICT;
        }
        $old = error_reporting();
        self::$stack[] = $old;
        error_reporting($old & ~$mask);

return $old;
    }

/**
     * Restores a single state.
     */
    public static function restore()
    {
        if (!empty(self::$stack)) {
            error_reporting(array_pop(self::$stack));
        }
    }

/**
     * Calls a specified function while silencing warnings and below.
     *
     * Future improvement: when PHP requirements are raised add Callable type hint (5.4) and variadic parameters (5.6)
     *
     * @param  callable   $callable Function to execute.
     * @throws \Exception Any exceptions from the callback are rethrown.
     * @return mixed      Return value of the callback.
     */
    public static function call($callable /*, ...$parameters */)
    {
        try {
            self::suppress();
            $result = call_user_func_array($callable, array_slice(func_get_args(), 1));
            self::restore();

return $result;
        } catch (\Exception $e) {
            // Use a finally block for this when requirements are raised to PHP 5.5
            self::restore();
            throw $e;
        }
    }
}
<?php

namespace Composer\Util;

use Composer\IO\IOInterface;

/**
 * Convert PHP errors into exceptions
 *
 * @author Artem Lopata <biozshock@gmail.com>
 */
class ErrorHandler
{
    private static $io;

/**
     * Error handler
     *
     * @param int    $level   Level of the error raised
     * @param string $message Error message
     * @param string $file    Filename that the error was raised in
     * @param int    $line    Line number the error was raised at
     *
     * @static
     * @throws \ErrorException
     */
    public static function handle($level, $message, $file, $line)
    {
        // error code is not included in error_reporting
        if (!(error_reporting() & $level)) {
            return;
        }

if (filter_var(ini_get('xdebug.scream'), FILTER_VALIDATE_BOOLEAN)) {
            $message .= "\n\nWarning: You have xdebug.scream enabled, the warning above may be".
            "\na legitimately suppressed error that you were not supposed to see.";
        }

if ($level !== E_DEPRECATED && $level !== E_USER_DEPRECATED) {
            throw new \ErrorException($message, 0, $level, $file, $line);
        }

if (self::$io) {
            self::$io->writeError('<warning>Deprecation Notice: '.$message.' in '.$file.':'.$line.'</warning>');
            if (self::$io->isVerbose()) {
                self::$io->writeError('<warning>Stack trace:</warning>');
                self::$io->writeError(array_filter(array_map(function ($a) {
                    if (isset($a['line'], $a['file'])) {
                        return '<warning> '.$a['file'].':'.$a['line'].'</warning>';
                    }

return null;
                }, array_slice(debug_backtrace(), 2))));
            }
        }
    }

/**
     * Register error handler.
     *
     * @param IOInterface|null $io
     */
    public static function register(IOInterface $io = null)
    {
        set_error_handler(array(__CLASS__, 'handle'));
        error_reporting(E_ALL | E_STRICT);
        self::$io = $io;
    }
}
<?php

namespace Composer\Util;

use Composer\IO\IOInterface;
use Symfony\Component\Process\Process;
use Symfony\Component\Process\ProcessUtils;

/**
 * @author Robert SchÃ¶nthal <seroscho@googlemail.com>
 */
class ProcessExecutor
{
    protected static $timeout = 300;

protected $captureOutput;
    protected $errorOutput;
    protected $io;

public function __construct(IOInterface $io = null)
    {
        $this->io = $io;
    }

/**
     * runs a process on the commandline
     *
     * @param  string $command the command to execute
     * @param  mixed  $output  the output will be written into this var if passed by ref
     *                         if a callable is passed it will be used as output handler
     * @param  string $cwd     the working directory
     * @return int    statuscode
     */
    public function execute($command, &$output = null, $cwd = null)
    {
        if ($this->io && $this->io->isDebug()) {
            $safeCommand = preg_replace_callback('{://(?P<user>[^:/\s]+):(?P<password>[^@\s/]+)@}i', function ($m) {
                if (preg_match('{^[a-f0-9]{12,}$}', $m['user'])) {
                    return '://***:***@';
                }

return '://'.$m['user'].':***@';
            }, $command);
            $this->io->writeError('Executing command ('.($cwd ?: 'CWD').'): '.$safeCommand);
        }

// make sure that null translate to the proper directory in case the dir is a symlink
        // and we call a git command, because msysgit does not handle symlinks properly
        if (null === $cwd && Platform::isWindows() && false !== strpos($command, 'git') && getcwd()) {
            $cwd = realpath(getcwd());
        }

$this->captureOutput = func_num_args() > 1;
        $this->errorOutput = null;
        $process = new Process($command, $cwd, null, null, static::getTimeout());

$callback = is_callable($output) ? $output : array($this, 'outputHandler');
        $process->run($callback);

if ($this->captureOutput && !is_callable($output)) {
            $output = $process->getOutput();
        }

$this->errorOutput = $process->getErrorOutput();

return $process->getExitCode();
    }

public function splitLines($output)
    {
        $output = trim($output);

return ((string) $output === '') ? array() : preg_split('{\r?\n}', $output);
    }

/**
     * Get any error output from the last command
     *
     * @return string
     */
    public function getErrorOutput()
    {
        return $this->errorOutput;
    }

public function outputHandler($type, $buffer)
    {
        if ($this->captureOutput) {
            return;
        }

if (null === $this->io) {
            echo $buffer;

return;
        }

if (Process::ERR === $type) {
            $this->io->writeError($buffer, false);
        } else {
            $this->io->write($buffer, false);
        }
    }

public static function getTimeout()
    {
        return static::$timeout;
    }

public static function setTimeout($timeout)
    {
        static::$timeout = $timeout;
    }

/**
     * Copy of ProcessUtils::escapeArgument() that is deprecated in Symfony 3.3 and removed in Symfony 4.
     *
     * @param string $argument
     *
     * @return string
     */
    private static function escapeArgument($argument)
    {
        //Fix for PHP bug #43784 escapeshellarg removes % from given string
        //Fix for PHP bug #49446 escapeshellarg doesn't work on Windows
        //@see https://bugs.php.net/bug.php?id=43784
        //@see https://bugs.php.net/bug.php?id=49446
        if ('\\' === DIRECTORY_SEPARATOR) {
            if ('' === $argument) {
                return escapeshellarg($argument);
            }

$escapedArgument = '';
            $quote = false;
            foreach (preg_split('/(")/', $argument, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE) as $part) {
                if ('"' === $part) {
                    $escapedArgument .= '\\"';
                } elseif (self::isSurroundedBy($part, '%')) {
                    // Avoid environment variable expansion
                    $escapedArgument .= '^%"'.substr($part, 1, -1).'"^%';
                } else {
                    // escape trailing backslash
                    if ('\\' === substr($part, -1)) {
                        $part .= '\\';
                    }
                    $quote = true;
                    $escapedArgument .= $part;
                }
            }
            if ($quote) {
                $escapedArgument = '"'.$escapedArgument.'"';
            }

return $escapedArgument;
        }

return "'".str_replace("'", "'\\''", $argument)."'";
    }

private static function isSurroundedBy($arg, $char)
    {
        return 2 < strlen($arg) && $char === $arg[0] && $char === $arg[strlen($arg) - 1];
    }
}
<?php

namespace Composer\Util;

/**
 * Composer mirror utilities
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class ComposerMirror
{
    public static function processUrl($mirrorUrl, $packageName, $version, $reference, $type)
    {
        if ($reference) {
            $reference = preg_match('{^([a-f0-9]*|%reference%)$}', $reference) ? $reference : md5($reference);
        }
        $version = strpos($version, '/') === false ? $version : md5($version);

return str_replace(
            array('%package%', '%version%', '%reference%', '%type%'),
            array($packageName, $version, $reference, $type),
            $mirrorUrl
        );
    }

public static function processGitUrl($mirrorUrl, $packageName, $url, $type)
    {
        if (preg_match('#^(?:(?:https?|git)://github\.com/|git@github\.com:)([^/]+)/(.+?)(?:\.git)?$#', $url, $match)) {
            $url = 'gh-'.$match[1].'/'.$match[2];
        } elseif (preg_match('#^https://bitbucket\.org/([^/]+)/(.+?)(?:\.git)?/?$#', $url, $match)) {
            $url = 'bb-'.$match[1].'/'.$match[2];
        } else {
            $url = preg_replace('{[^a-z0-9_.-]}i', '-', trim($url, '/'));
        }

return str_replace(
            array('%package%', '%normalizedUrl%', '%type%'),
            array($packageName, $url, $type),
            $mirrorUrl
        );
    }

public static function processHgUrl($mirrorUrl, $packageName, $url, $type)
    {
        return self::processGitUrl($mirrorUrl, $packageName, $url, $type);
    }
}
<?php

namespace Composer\Util;

/**
 * Platform helper for uniform platform-specific tests.
 *
 * @author Niels Keurentjes <niels.keurentjes@omines.com>
 */
class Platform
{
    /**
     * Parses tildes and environment variables in paths.
     *
     * @param  string $path
     * @return string
     */
    public static function expandPath($path)
    {
        if (preg_match('#^~[\\/]#', $path)) {
            return self::getUserDirectory() . substr($path, 1);
        }

return preg_replace_callback('#^(\$|(?P<percent>%))(?P<var>\w++)(?(percent)%)(?P<path>.*)#', function ($matches) {
            // Treat HOME as an alias for USERPROFILE on Windows for legacy reasons
            if (Platform::isWindows() && $matches['var'] == 'HOME') {
                return (getenv('HOME') ?: getenv('USERPROFILE')) . $matches['path'];
            }

return getenv($matches['var']) . $matches['path'];
        }, $path);
    }

/**
     * @throws \RuntimeException If the user home could not reliably be determined
     * @return string            The formal user home as detected from environment parameters
     */
    public static function getUserDirectory()
    {
        if (false !== ($home = getenv('HOME'))) {
            return $home;
        }

if (self::isWindows() && false !== ($home = getenv('USERPROFILE'))) {
            return $home;
        }

if (function_exists('posix_getuid') && function_exists('posix_getpwuid')) {
            $info = posix_getpwuid(posix_getuid());

return $info['dir'];
        }

throw new \RuntimeException('Could not determine user directory');
    }

/**
     * @return bool Whether the host machine is running a Windows OS
     */
    public static function isWindows()
    {
        return defined('PHP_WINDOWS_VERSION_BUILD');
    }

/**
     * @param  string $str
     * @return int    return a guaranteed binary length of the string, regardless of silly mbstring configs
     */
    public static function strlen($str)
    {
        static $useMbString = null;
        if (null === $useMbString) {
            $useMbString = function_exists('mb_strlen') && ini_get('mbstring.func_overload');
        }

if ($useMbString) {
            return mb_strlen($str, '8bit');
        }

return strlen($str);
    }
}
<?php

namespace Composer\Util;

use Composer\Factory;
use Composer\IO\IOInterface;
use Composer\Config;
use Composer\Downloader\TransportException;

/**
 * @author Paul Wenke <wenke.paul@gmail.com>
 */
class Bitbucket
{
    private $io;
    private $config;
    private $process;
    private $remoteFilesystem;
    private $token = array();
    private $time;

const OAUTH2_ACCESS_TOKEN_URL = 'https://bitbucket.org/site/oauth2/access_token';

/**
     * Constructor.
     *
     * @param IOInterface      $io               The IO instance
     * @param Config           $config           The composer configuration
     * @param ProcessExecutor  $process          Process instance, injectable for mocking
     * @param RemoteFilesystem $remoteFilesystem Remote Filesystem, injectable for mocking
     * @param int              $time             Timestamp, injectable for mocking
     */
    public function __construct(IOInterface $io, Config $config, ProcessExecutor $process = null, RemoteFilesystem $remoteFilesystem = null, $time = null)
    {
        $this->io = $io;
        $this->config = $config;
        $this->process = $process ?: new ProcessExecutor($io);
        $this->remoteFilesystem = $remoteFilesystem ?: Factory::createRemoteFilesystem($this->io, $config);
        $this->time = $time;
    }

/**
     * @return string
     */
    public function getToken()
    {
        if (!isset($this->token['access_token'])) {
            return '';
        }

return $this->token['access_token'];
    }

/**
     * Attempts to authorize a Bitbucket domain via OAuth
     *
     * @param  string $originUrl The host this Bitbucket instance is located at
     * @return bool   true on success
     */
    public function authorizeOAuth($originUrl)
    {
        if ($originUrl !== 'bitbucket.org') {
            return false;
        }

// if available use token from git config
        if (0 === $this->process->execute('git config bitbucket.accesstoken', $output)) {
            $this->io->setAuthentication($originUrl, 'x-token-auth', trim($output));

return true;
        }

return false;
    }

/**
     * @param  string $originUrl
     * @return bool
     */
    private function requestAccessToken($originUrl)
    {
        try {
            $json = $this->remoteFilesystem->getContents($originUrl, self::OAUTH2_ACCESS_TOKEN_URL, false, array(
                'retry-auth-failure' => false,
                'http' => array(
                    'method' => 'POST',
                    'content' => 'grant_type=client_credentials',
                ),
            ));

$this->token = json_decode($json, true);
        } catch (TransportException $e) {
            if ($e->getCode() === 400) {
                $this->io->writeError('<error>Invalid OAuth consumer provided.</error>');
                $this->io->writeError('This can have two reasons:');
                $this->io->writeError('1. You are authenticating with a bitbucket username/password combination');
                $this->io->writeError('2. You are using an OAuth consumer, but didn\'t configure a (dummy) callback url');

return false;
            } elseif (in_array($e->getCode(), array(403, 401))) {
                $this->io->writeError('<error>Invalid OAuth consumer provided.</error>');
                $this->io->writeError('You can also add it manually later by using "composer config --global --auth bitbucket-oauth.bitbucket.org <consumer-key> <consumer-secret>"');

return false;
            }

throw $e;
        }

return true;
    }

/**
     * Authorizes a Bitbucket domain interactively via OAuth
     *
     * @param  string                        $originUrl The host this Bitbucket instance is located at
     * @param  string                        $message   The reason this authorization is required
     * @throws \RuntimeException
     * @throws TransportException|\Exception
     * @return bool                          true on success
     */
    public function authorizeOAuthInteractively($originUrl, $message = null)
    {
        if ($message) {
            $this->io->writeError($message);
        }

$url = 'https://confluence.atlassian.com/bitbucket/oauth-on-bitbucket-cloud-238027431.html';
        $this->io->writeError(sprintf('Follow the instructions on %s', $url));
        $this->io->writeError(sprintf('to create a consumer. It will be stored in "%s" for future use by Composer.', $this->config->getAuthConfigSource()->getName()));
        $this->io->writeError('Ensure you enter a "Callback URL" (http://example.com is fine) or it will not be possible to create an Access Token (this callback url will not be used by composer)');

$consumerKey = trim($this->io->askAndHideAnswer('Consumer Key (hidden): '));

if (!$consumerKey) {
            $this->io->writeError('<warning>No consumer key given, aborting.</warning>');
            $this->io->writeError('You can also add it manually later by using "composer config --global --auth bitbucket-oauth.bitbucket.org <consumer-key> <consumer-secret>"');

return false;
        }

$consumerSecret = trim($this->io->askAndHideAnswer('Consumer Secret (hidden): '));

if (!$consumerSecret) {
            $this->io->writeError('<warning>No consumer secret given, aborting.</warning>');
            $this->io->writeError('You can also add it manually later by using "composer config --global --auth bitbucket-oauth.bitbucket.org <consumer-key> <consumer-secret>"');

return false;
        }

$this->io->setAuthentication($originUrl, $consumerKey, $consumerSecret);

if (!$this->requestAccessToken($originUrl)) {
            return false;
        }

// store value in user config
        $this->storeInAuthConfig($originUrl, $consumerKey, $consumerSecret);

// Remove conflicting basic auth credentials (if available)
        $this->config->getAuthConfigSource()->removeConfigSetting('http-basic.' . $originUrl);

$this->io->writeError('<info>Consumer stored successfully.</info>');

return true;
    }

/**
     * Retrieves an access token from Bitbucket.
     *
     * @param  string $originUrl
     * @param  string $consumerKey
     * @param  string $consumerSecret
     * @return string
     */
    public function requestToken($originUrl, $consumerKey, $consumerSecret)
    {
        if (!empty($this->token) || $this->getTokenFromConfig($originUrl)) {
            return $this->token['access_token'];
        }

$this->io->setAuthentication($originUrl, $consumerKey, $consumerSecret);
        if (!$this->requestAccessToken($originUrl)) {
            return '';
        }

$this->storeInAuthConfig($originUrl, $consumerKey, $consumerSecret);

return $this->token['access_token'];
    }

/**
     * Store the new/updated credentials to the configuration
     * @param string $originUrl
     * @param string $consumerKey
     * @param string $consumerSecret
     */
    private function storeInAuthConfig($originUrl, $consumerKey, $consumerSecret)
    {
        $this->config->getConfigSource()->removeConfigSetting('bitbucket-oauth.'.$originUrl);

$time = null === $this->time ? time() : $this->time;
        $consumer = array(
            "consumer-key" => $consumerKey,
            "consumer-secret" => $consumerSecret,
            "access-token" => $this->token['access_token'],
            "access-token-expiration" => $time + $this->token['expires_in'],
        );

$this->config->getAuthConfigSource()->addConfigSetting('bitbucket-oauth.'.$originUrl, $consumer);
    }

/**
     * @param  string $originUrl
     * @return bool
     */
    private function getTokenFromConfig($originUrl)
    {
        $authConfig = $this->config->get('bitbucket-oauth');

if (
            !isset($authConfig[$originUrl]['access-token'])
            || !isset($authConfig[$originUrl]['access-token-expiration'])
            || time() > $authConfig[$originUrl]['access-token-expiration']
        ) {
            return false;
        }

$this->token = array(
            'access_token' => $authConfig[$originUrl]['access-token'],
        );

return true;
    }
}
<?php

namespace Composer\Util;

use Composer\Composer;

/**
 * Allows the creation of a basic context supporting http proxy
 *
 * @author Jordan Alliot <jordan.alliot@gmail.com>
 * @author Markus Tacker <m@coderbyheart.de>
 */
final class StreamContextFactory
{
    /**
     * Creates a context supporting HTTP proxies
     *
     * @param  string            $url            URL the context is to be used for
     * @param  array             $defaultOptions Options to merge with the default
     * @param  array             $defaultParams  Parameters to specify on the context
     * @throws \RuntimeException if https proxy required and OpenSSL uninstalled
     * @return resource          Default context
     */
    public static function getContext($url, array $defaultOptions = array(), array $defaultParams = array())
    {
        $options = array('http' => array(
            // specify defaults again to try and work better with curlwrappers enabled
            'follow_location' => 1,
            'max_redirects' => 20,
        ));

// Handle HTTP_PROXY/http_proxy on CLI only for security reasons
        if ((PHP_SAPI === 'cli' || PHP_SAPI === 'phpdbg') && (!empty($_SERVER['HTTP_PROXY']) || !empty($_SERVER['http_proxy']))) {
            $proxy = parse_url(!empty($_SERVER['http_proxy']) ? $_SERVER['http_proxy'] : $_SERVER['HTTP_PROXY']);
        }

// Prefer CGI_HTTP_PROXY if available
        if (!empty($_SERVER['CGI_HTTP_PROXY'])) {
            $proxy = parse_url($_SERVER['CGI_HTTP_PROXY']);
        }

// Override with HTTPS proxy if present and URL is https
        if (preg_match('{^https://}i', $url) && (!empty($_SERVER['HTTPS_PROXY']) || !empty($_SERVER['https_proxy']))) {
            $proxy = parse_url(!empty($_SERVER['https_proxy']) ? $_SERVER['https_proxy'] : $_SERVER['HTTPS_PROXY']);
        }

// Remove proxy if URL matches no_proxy directive
        if (!empty($_SERVER['NO_PROXY']) || !empty($_SERVER['no_proxy']) && parse_url($url, PHP_URL_HOST)) {
            $pattern = new NoProxyPattern(!empty($_SERVER['no_proxy']) ? $_SERVER['no_proxy'] : $_SERVER['NO_PROXY']);
            if ($pattern->test($url)) {
                unset($proxy);
            }
        }

if (!empty($proxy)) {
            $proxyURL = isset($proxy['scheme']) ? $proxy['scheme'] . '://' : '';
            $proxyURL .= isset($proxy['host']) ? $proxy['host'] : '';

if (isset($proxy['port'])) {
                $proxyURL .= ":" . $proxy['port'];
            } elseif ('http://' == substr($proxyURL, 0, 7)) {
                $proxyURL .= ":80";
            } elseif ('https://' == substr($proxyURL, 0, 8)) {
                $proxyURL .= ":443";
            }

// http(s):// is not supported in proxy
            $proxyURL = str_replace(array('http://', 'https://'), array('tcp://', 'ssl://'), $proxyURL);

if (0 === strpos($proxyURL, 'ssl:') && !extension_loaded('openssl')) {
                throw new \RuntimeException('You must enable the openssl extension to use a proxy over https');
            }

$options['http']['proxy'] = $proxyURL;

// enabled request_fulluri unless it is explicitly disabled
            switch (parse_url($url, PHP_URL_SCHEME)) {
                case 'http': // default request_fulluri to true
                    $reqFullUriEnv = getenv('HTTP_PROXY_REQUEST_FULLURI');
                    if ($reqFullUriEnv === false || $reqFullUriEnv === '' || (strtolower($reqFullUriEnv) !== 'false' && (bool) $reqFullUriEnv)) {
                        $options['http']['request_fulluri'] = true;
                    }
                    break;
                case 'https': // default request_fulluri to true
                    $reqFullUriEnv = getenv('HTTPS_PROXY_REQUEST_FULLURI');
                    if ($reqFullUriEnv === false || $reqFullUriEnv === '' || (strtolower($reqFullUriEnv) !== 'false' && (bool) $reqFullUriEnv)) {
                        $options['http']['request_fulluri'] = true;
                    }
                    break;
            }

// add SNI opts for https URLs
            if ('https' === parse_url($url, PHP_URL_SCHEME)) {
                $options['ssl']['SNI_enabled'] = true;
                if (PHP_VERSION_ID < 50600) {
                    $options['ssl']['SNI_server_name'] = parse_url($url, PHP_URL_HOST);
                }
            }

// handle proxy auth if present
            if (isset($proxy['user'])) {
                $auth = rawurldecode($proxy['user']);
                if (isset($proxy['pass'])) {
                    $auth .= ':' . rawurldecode($proxy['pass']);
                }
                $auth = base64_encode($auth);

// Preserve headers if already set in default options
                if (isset($defaultOptions['http']['header'])) {
                    if (is_string($defaultOptions['http']['header'])) {
                        $defaultOptions['http']['header'] = array($defaultOptions['http']['header']);
                    }
                    $defaultOptions['http']['header'][] = "Proxy-Authorization: Basic {$auth}";
                } else {
                    $options['http']['header'] = array("Proxy-Authorization: Basic {$auth}");
                }
            }
        }

$options = array_replace_recursive($options, $defaultOptions);

if (isset($options['http']['header'])) {
            $options['http']['header'] = self::fixHttpHeaderField($options['http']['header']);
        }

if (defined('HHVM_VERSION')) {
            $phpVersion = 'HHVM ' . HHVM_VERSION;
        } else {
            $phpVersion = 'PHP ' . PHP_MAJOR_VERSION . '.' . PHP_MINOR_VERSION . '.' . PHP_RELEASE_VERSION;
        }

if (!isset($options['http']['header']) || false === stripos(implode('', $options['http']['header']), 'user-agent')) {
            $options['http']['header'][] = sprintf(
                'User-Agent: Composer/%s (%s; %s; %s%s)',
                Composer::VERSION === '@package_version@' ? 'source' : Composer::VERSION,
                function_exists('php_uname') ? php_uname('s') : 'Unknown',
                function_exists('php_uname') ? php_uname('r') : 'Unknown',
                $phpVersion,
                getenv('CI') ? '; CI' : ''
            );
        }

return stream_context_create($options, $defaultParams);
    }

/**
     * A bug in PHP prevents the headers from correctly being sent when a content-type header is present and
     * NOT at the end of the array
     *
     * This method fixes the array by moving the content-type header to the end
     *
     * @link https://bugs.php.net/bug.php?id=61548
     * @param string|array $header
     * @return array
     */
    private static function fixHttpHeaderField($header)
    {
        if (!is_array($header)) {
            $header = explode("\r\n", $header);
        }
        uasort($header, function ($el) {
            return stripos($el, 'content-type') === 0 ? 1 : -1;
        });

return $header;
    }
}
<?php

namespace Composer\Util;

use Composer\IO\IOInterface;
use Symfony\Component\Process\Process;

/**
 * @author Matt Whittom <Matt.Whittom@veteransunited.com>
 */
class Perforce
{
    protected $path;
    protected $p4Depot;
    protected $p4Client;
    protected $p4User;
    protected $p4Password;
    protected $p4Port;
    protected $p4Stream;
    protected $p4ClientSpec;
    protected $p4DepotType;
    protected $p4Branch;
    protected $process;
    protected $uniquePerforceClientName;
    protected $windowsFlag;
    protected $commandResult;

protected $io;

protected $filesystem;

public function __construct($repoConfig, $port, $path, ProcessExecutor $process, $isWindows, IOInterface $io)
    {
        $this->windowsFlag = $isWindows;
        $this->p4Port = $port;
        $this->initializePath($path);
        $this->process = $process;
        $this->initialize($repoConfig);
        $this->io = $io;
    }

public static function create($repoConfig, $port, $path, ProcessExecutor $process, IOInterface $io)
    {
        return new Perforce($repoConfig, $port, $path, $process, Platform::isWindows(), $io);
    }

public static function checkServerExists($url, ProcessExecutor $processExecutor)
    {
        $output = null;

return  0 === $processExecutor->execute('p4 -p ' . ProcessExecutor::escape($url) . ' info -s', $output);
    }

public function initialize($repoConfig)
    {
        $this->uniquePerforceClientName = $this->generateUniquePerforceClientName();
        if (!$repoConfig) {
            return;
        }
        if (isset($repoConfig['unique_perforce_client_name'])) {
            $this->uniquePerforceClientName = $repoConfig['unique_perforce_client_name'];
        }

if (isset($repoConfig['depot'])) {
            $this->p4Depot = $repoConfig['depot'];
        }
        if (isset($repoConfig['branch'])) {
            $this->p4Branch = $repoConfig['branch'];
        }
        if (isset($repoConfig['p4user'])) {
            $this->p4User = $repoConfig['p4user'];
        } else {
            $this->p4User = $this->getP4variable('P4USER');
        }
        if (isset($repoConfig['p4password'])) {
            $this->p4Password = $repoConfig['p4password'];
        }
    }

public function initializeDepotAndBranch($depot, $branch)
    {
        if (isset($depot)) {
            $this->p4Depot = $depot;
        }
        if (isset($branch)) {
            $this->p4Branch = $branch;
        }
    }

public function generateUniquePerforceClientName()
    {
        return gethostname() . "_" . time();
    }

public function cleanupClientSpec()
    {
        $client = $this->getClient();
        $task = 'client -d ' . ProcessExecutor::escape($client);
        $useP4Client = false;
        $command = $this->generateP4Command($task, $useP4Client);
        $this->executeCommand($command);
        $clientSpec = $this->getP4ClientSpec();
        $fileSystem = $this->getFilesystem();
        $fileSystem->remove($clientSpec);
    }

protected function executeCommand($command)
    {
        $this->commandResult = '';

return $this->process->execute($command, $this->commandResult);
    }

public function getClient()
    {
        if (!isset($this->p4Client)) {
            $cleanStreamName = str_replace(array('//', '/', '@'), array('', '_', ''), $this->getStream());
            $this->p4Client = 'composer_perforce_' . $this->uniquePerforceClientName . '_' . $cleanStreamName;
        }

return $this->p4Client;
    }

protected function getPath()
    {
        return $this->path;
    }

public function initializePath($path)
    {
        $this->path = $path;
        $fs = $this->getFilesystem();
        $fs->ensureDirectoryExists($path);
    }

protected function getPort()
    {
        return $this->p4Port;
    }

public function setStream($stream)
    {
        $this->p4Stream = $stream;
        $index = strrpos($stream, '/');
        //Stream format is //depot/stream, while non-streaming depot is //depot
        if ($index > 2) {
            $this->p4DepotType = 'stream';
        }
    }

public function isStream()
    {
        return (strcmp($this->p4DepotType, 'stream') === 0);
    }

public function getStream()
    {
        if (!isset($this->p4Stream)) {
            if ($this->isStream()) {
                $this->p4Stream = '//' . $this->p4Depot . '/' . $this->p4Branch;
            } else {
                $this->p4Stream = '//' . $this->p4Depot;
            }
        }

return $this->p4Stream;
    }

public function getStreamWithoutLabel($stream)
    {
        $index = strpos($stream, '@');
        if ($index === false) {
            return $stream;
        }

return substr($stream, 0, $index);
    }

public function getP4ClientSpec()
    {
        return $this->path . '/' . $this->getClient() . '.p4.spec';
    }

public function getUser()
    {
        return $this->p4User;
    }

public function setUser($user)
    {
        $this->p4User = $user;
    }

public function queryP4User()
    {
        $this->getUser();
        if (strlen($this->p4User) > 0) {
            return;
        }
        $this->p4User = $this->getP4variable('P4USER');
        if (strlen($this->p4User) > 0) {
            return;
        }
        $this->p4User = $this->io->ask('Enter P4 User:');
        if ($this->windowsFlag) {
            $command = 'p4 set P4USER=' . $this->p4User;
        } else {
            $command = 'export P4USER=' . $this->p4User;
        }
        $this->executeCommand($command);
    }

protected function getP4variable($name)
    {
        if ($this->windowsFlag) {
            $command = 'p4 set';
            $this->executeCommand($command);
            $result = trim($this->commandResult);
            $resArray = explode(PHP_EOL, $result);
            foreach ($resArray as $line) {
                $fields = explode('=', $line);
                if (strcmp($name, $fields[0]) == 0) {
                    $index = strpos($fields[1], ' ');
                    if ($index === false) {
                        $value = $fields[1];
                    } else {
                        $value = substr($fields[1], 0, $index);
                    }
                    $value = trim($value);

return $value;
                }
            }

return null;
        }

$command = 'echo $' . $name;
        $this->executeCommand($command);
        $result = trim($this->commandResult);

return $result;
    }

public function queryP4Password()
    {
        if (isset($this->p4Password)) {
            return $this->p4Password;
        }
        $password = $this->getP4variable('P4PASSWD');
        if (strlen($password) <= 0) {
            $password = $this->io->askAndHideAnswer('Enter password for Perforce user ' . $this->getUser() . ': ');
        }
        $this->p4Password = $password;

return $password;
    }

public function generateP4Command($command, $useClient = true)
    {
        $p4Command = 'p4 ';
        $p4Command .= '-u ' . $this->getUser() . ' ';
        if ($useClient) {
            $p4Command .= '-c ' . $this->getClient() . ' ';
        }
        $p4Command = $p4Command . '-p ' . $this->getPort() . ' ' . $command;

return $p4Command;
    }

public function isLoggedIn()
    {
        $command = $this->generateP4Command('login -s', false);
        $exitCode = $this->executeCommand($command);
        if ($exitCode) {
            $errorOutput = $this->process->getErrorOutput();
            $index = strpos($errorOutput, $this->getUser());
            if ($index === false) {
                $index = strpos($errorOutput, 'p4');
                if ($index === false) {
                    return false;
                }
                throw new \Exception('p4 command not found in path: ' . $errorOutput);
            }
            throw new \Exception('Invalid user name: ' . $this->getUser());
        }

return true;
    }

public function connectClient()
    {
        $p4CreateClientCommand = $this->generateP4Command(
            'client -i < ' . str_replace(" ", "\\ ", $this->getP4ClientSpec())
        );
        $this->executeCommand($p4CreateClientCommand);
    }

public function syncCodeBase($sourceReference)
    {
        $prevDir = getcwd();
        chdir($this->path);
        $p4SyncCommand = $this->generateP4Command('sync -f ');
        if (null !== $sourceReference) {
            $p4SyncCommand .= '@' . $sourceReference;
        }
        $this->executeCommand($p4SyncCommand);
        chdir($prevDir);
    }

public function writeClientSpecToFile($spec)
    {
        fwrite($spec, 'Client: ' . $this->getClient() . PHP_EOL . PHP_EOL);
        fwrite($spec, 'Update: ' . date('Y/m/d H:i:s') . PHP_EOL . PHP_EOL);
        fwrite($spec, 'Access: ' . date('Y/m/d H:i:s') . PHP_EOL);
        fwrite($spec, 'Owner:  ' . $this->getUser() . PHP_EOL . PHP_EOL);
        fwrite($spec, 'Description:' . PHP_EOL);
        fwrite($spec, '  Created by ' . $this->getUser() . ' from composer.' . PHP_EOL . PHP_EOL);
        fwrite($spec, 'Root: ' . $this->getPath() . PHP_EOL . PHP_EOL);
        fwrite($spec, 'Options:  noallwrite noclobber nocompress unlocked modtime rmdir' . PHP_EOL . PHP_EOL);
        fwrite($spec, 'SubmitOptions:  revertunchanged' . PHP_EOL . PHP_EOL);
        fwrite($spec, 'LineEnd:  local' . PHP_EOL . PHP_EOL);
        if ($this->isStream()) {
            fwrite($spec, 'Stream:' . PHP_EOL);
            fwrite($spec, '  ' . $this->getStreamWithoutLabel($this->p4Stream) . PHP_EOL);
        } else {
            fwrite(
                $spec,
                'View:  ' . $this->getStream() . '/...  //' . $this->getClient() . '/... ' . PHP_EOL
            );
        }
    }

public function writeP4ClientSpec()
    {
        $clientSpec = $this->getP4ClientSpec();
        $spec = fopen($clientSpec, 'w');
        try {
            $this->writeClientSpecToFile($spec);
        } catch (\Exception $e) {
            fclose($spec);
            throw $e;
        }
        fclose($spec);
    }

protected function read($pipe, $name)
    {
        if (feof($pipe)) {
            return;
        }
        $line = fgets($pipe);
        while ($line !== false) {
            $line = fgets($pipe);
        }

return;
    }

public function windowsLogin($password)
    {
        $command = $this->generateP4Command(' login -a');
        $process = new Process($command, null, null, $password);

return $process->run();
    }

public function p4Login()
    {
        $this->queryP4User();
        if (!$this->isLoggedIn()) {
            $password = $this->queryP4Password();
            if ($this->windowsFlag) {
                $this->windowsLogin($password);
            } else {
                $command = 'echo ' . ProcessExecutor::escape($password)  . ' | ' . $this->generateP4Command(' login -a', false);
                $exitCode = $this->executeCommand($command);
                $result = trim($this->commandResult);
                if ($exitCode) {
                    throw new \Exception("Error logging in:" . $this->process->getErrorOutput());
                }
            }
        }
    }

public function getComposerInformation($identifier)
    {
        $composerFileContent = $this->getFileContent('composer.json', $identifier);

if (!$composerFileContent) {
            return;
        }

return json_decode($composerFileContent, true);
    }

public function getFileContent($file, $identifier)
    {
        $path = $this->getFilePath($file, $identifier);

$command = $this->generateP4Command(' print ' . ProcessExecutor::escape($path));
        $this->executeCommand($command);
        $result = $this->commandResult;

if (!trim($result)) {
            return null;
        }

return $result;
    }

public function getFilePath($file, $identifier)
    {
        $index = strpos($identifier, '@');
        if ($index === false) {
            $path = $identifier. '/' . $file;

return $path;
        }

$path = substr($identifier, 0, $index) . '/' . $file . substr($identifier, $index);
        $command = $this->generateP4Command(' files ' . ProcessExecutor::escape($path), false);
        $this->executeCommand($command);
        $result = $this->commandResult;
        $index2 = strpos($result, 'no such file(s).');
        if ($index2 === false) {
            $index3 = strpos($result, 'change');
            if ($index3 !== false) {
                $phrase = trim(substr($result, $index3));
                $fields = explode(' ', $phrase);

return substr($identifier, 0, $index) . '/' . $file . '@' . $fields[1];
            }
        }

return null;
    }

public function getBranches()
    {
        $possibleBranches = array();
        if (!$this->isStream()) {
            $possibleBranches[$this->p4Branch] = $this->getStream();
        } else {
            $command = $this->generateP4Command('streams '.ProcessExecutor::escape('//' . $this->p4Depot . '/...'));
            $this->executeCommand($command);
            $result = $this->commandResult;
            $resArray = explode(PHP_EOL, $result);
            foreach ($resArray as $line) {
                $resBits = explode(' ', $line);
                if (count($resBits) > 4) {
                    $branch = preg_replace('/[^A-Za-z0-9 ]/', '', $resBits[4]);
                    $possibleBranches[$branch] = $resBits[1];
                }
            }
        }
        $command = $this->generateP4Command('changes '. ProcessExecutor::escape($this->getStream() . '/...'), false);
        $this->executeCommand($command);
        $result = $this->commandResult;
        $resArray = explode(PHP_EOL, $result);
        $lastCommit = $resArray[0];
        $lastCommitArr = explode(' ', $lastCommit);
        $lastCommitNum = $lastCommitArr[1];

$branches = array('master' => $possibleBranches[$this->p4Branch] . '@'. $lastCommitNum);

return $branches;
    }

public function getTags()
    {
        $command = $this->generateP4Command('labels');
        $this->executeCommand($command);
        $result = $this->commandResult;
        $resArray = explode(PHP_EOL, $result);
        $tags = array();
        foreach ($resArray as $line) {
            if (strpos($line, 'Label') !== false) {
                $fields = explode(' ', $line);
                $tags[$fields[1]] = $this->getStream() . '@' . $fields[1];
            }
        }

return $tags;
    }

public function checkStream()
    {
        $command = $this->generateP4Command('depots', false);
        $this->executeCommand($command);
        $result = $this->commandResult;
        $resArray = explode(PHP_EOL, $result);
        foreach ($resArray as $line) {
            if (strpos($line, 'Depot') !== false) {
                $fields = explode(' ', $line);
                if (strcmp($this->p4Depot, $fields[1]) === 0) {
                    $this->p4DepotType = $fields[3];

return $this->isStream();
                }
            }
        }

return false;
    }

/**
     * @param string $reference
     * @return mixed|null
     */
    protected function getChangeList($reference)
    {
        $index = strpos($reference, '@');
        if ($index === false) {
            return null;
        }
        $label = substr($reference, $index);
        $command = $this->generateP4Command(' changes -m1 ' . ProcessExecutor::escape($label));
        $this->executeCommand($command);
        $changes = $this->commandResult;
        if (strpos($changes, 'Change') !== 0) {
            return null;
        }
        $fields = explode(' ', $changes);

return $fields[1];
    }

/**
     * @param string $fromReference
     * @param string $toReference
     * @return mixed|null
     */
    public function getCommitLogs($fromReference, $toReference)
    {
        $fromChangeList = $this->getChangeList($fromReference);
        if ($fromChangeList === null) {
            return null;
        }
        $toChangeList = $this->getChangeList($toReference);
        if ($toChangeList === null) {
            return null;
        }
        $index = strpos($fromReference, '@');
        $main = substr($fromReference, 0, $index) . '/...';
        $command = $this->generateP4Command('filelog ' . ProcessExecutor::escape($main . '@' . $fromChangeList. ',' . $toChangeList));
        $this->executeCommand($command);

return $this->commandResult;
    }

public function getFilesystem()
    {
        if (empty($this->filesystem)) {
            $this->filesystem = new Filesystem($this->process);
        }

return $this->filesystem;
    }

public function setFilesystem(Filesystem $fs)
    {
        $this->filesystem = $fs;
    }
}
<?php

namespace Composer\Util;

use Composer\Config;
use Composer\IO\IOInterface;

/**
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class Git
{
    private static $version;

/** @var IOInterface */
    protected $io;
    /** @var Config */
    protected $config;
    /** @var ProcessExecutor */
    protected $process;
    /** @var Filesystem */
    protected $filesystem;

public function __construct(IOInterface $io, Config $config, ProcessExecutor $process, Filesystem $fs)
    {
        $this->io = $io;
        $this->config = $config;
        $this->process = $process;
        $this->filesystem = $fs;
    }

public function runCommand($commandCallable, $url, $cwd, $initialClone = false)
    {
        // Ensure we are allowed to use this URL by config
        $this->config->prohibitUrlByConfig($url, $this->io);

if ($initialClone) {
            $origCwd = $cwd;
            $cwd = null;
        }

if (preg_match('{^ssh://[^@]+@[^:]+:[^0-9]+}', $url)) {
            throw new \InvalidArgumentException('The source URL ' . $url . ' is invalid, ssh URLs should have a port number after ":".' . "\n" . 'Use ssh://git@example.com:22/path or just git@example.com:path if you do not want to provide a password or custom port.');
        }

if (!$initialClone) {
            // capture username/password from URL if there is one
            $this->process->execute('git remote -v', $output, $cwd);
            if (preg_match('{^(?:composer|origin)\s+https?://(.+):(.+)@([^/]+)}im', $output, $match)) {
                $this->io->setAuthentication($match[3], rawurldecode($match[1]), rawurldecode($match[2]));
            }
        }

$protocols = $this->config->get('github-protocols');
        if (!is_array($protocols)) {
            throw new \RuntimeException('Config value "github-protocols" must be an array, got ' . gettype($protocols));
        }
        // public github, autoswitch protocols
        if (preg_match('{^(?:https?|git)://' . self::getGitHubDomainsRegex($this->config) . '/(.*)}', $url, $match)) {
            $messages = array();
            foreach ($protocols as $protocol) {
                if ('ssh' === $protocol) {
                    $protoUrl = "git@" . $match[1] . ":" . $match[2];
                } else {
                    $protoUrl = $protocol . "://" . $match[1] . "/" . $match[2];
                }

if (0 === $this->process->execute(call_user_func($commandCallable, $protoUrl), $ignoredOutput, $cwd)) {
                    return;
                }
                $messages[] = '- ' . $protoUrl . "\n" . preg_replace('#^#m', '  ', $this->process->getErrorOutput());
                if ($initialClone) {
                    $this->filesystem->removeDirectory($origCwd);
                }
            }

// failed to checkout, first check git accessibility
            $this->throwException('Failed to clone ' . $url . ' via ' . implode(', ', $protocols) . ' protocols, aborting.' . "\n\n" . implode("\n", $messages), $url);
        }

// if we have a private github url and the ssh protocol is disabled then we skip it and directly fallback to https
        $bypassSshForGitHub = preg_match('{^git@' . self::getGitHubDomainsRegex($this->config) . ':(.+?)\.git$}i', $url) && !in_array('ssh', $protocols, true);

$command = call_user_func($commandCallable, $url);

$auth = null;
        if ($bypassSshForGitHub || 0 !== $this->process->execute($command, $ignoredOutput, $cwd)) {
            // private github repository without git access, try https with auth
            if (preg_match('{^git@' . self::getGitHubDomainsRegex($this->config) . ':(.+?)\.git$}i', $url, $match)) {
                if (!$this->io->hasAuthentication($match[1])) {
                    $gitHubUtil = new GitHub($this->io, $this->config, $this->process);
                    $message = 'Cloning failed using an ssh key for authentication, enter your GitHub credentials to access private repos';

if (!$gitHubUtil->authorizeOAuth($match[1]) && $this->io->isInteractive()) {
                        $gitHubUtil->authorizeOAuthInteractively($match[1], $message);
                    }
                }

if ($this->io->hasAuthentication($match[1])) {
                    $auth = $this->io->getAuthentication($match[1]);
                    $authUrl = 'https://' . rawurlencode($auth['username']) . ':' . rawurlencode($auth['password']) . '@' . $match[1] . '/' . $match[2] . '.git';
                    $command = call_user_func($commandCallable, $authUrl);
                    if (0 === $this->process->execute($command, $ignoredOutput, $cwd)) {
                        return;
                    }
                }
            } elseif (preg_match('{^https://(bitbucket\.org)/(.*)(\.git)?$}U', $url, $match)) { //bitbucket oauth
                $bitbucketUtil = new Bitbucket($this->io, $this->config, $this->process);

if (!$this->io->hasAuthentication($match[1])) {
                    $message = 'Enter your Bitbucket credentials to access private repos';

if (!$bitbucketUtil->authorizeOAuth($match[1]) && $this->io->isInteractive()) {
                        $bitbucketUtil->authorizeOAuthInteractively($match[1], $message);
                        $accessToken = $bitbucketUtil->getToken();
                        $this->io->setAuthentication($match[1], 'x-token-auth', $accessToken);
                    }
                } else { //We're authenticating with a locally stored consumer.
                    $auth = $this->io->getAuthentication($match[1]);

//We already have an access_token from a previous request.
                    if ($auth['username'] !== 'x-token-auth') {
                        $accessToken = $bitbucketUtil->requestToken($match[1], $auth['username'], $auth['password']);
                        if (! empty($accessToken)) {
                            $this->io->setAuthentication($match[1], 'x-token-auth', $accessToken);
                        }
                    }
                }

$command = call_user_func($commandCallable, $authUrl);
                    if (0 === $this->process->execute($command, $ignoredOutput, $cwd)) {
                        return;
                    }
                } else { // Falling back to ssh
                    $sshUrl = 'git@bitbucket.org:' . $match[2] . '.git';
                    $this->io->writeError('    No bitbucket authentication configured. Falling back to ssh.');
                    $command = call_user_func($commandCallable, $sshUrl);
                    if (0 === $this->process->execute($command, $ignoredOutput, $cwd)) {
                        return;
                    }
                }
            } elseif ($this->isAuthenticationFailure($url, $match)) { // private non-github repo that failed to authenticate
                if (strpos($match[2], '@')) {
                    list($authParts, $match[2]) = explode('@', $match[2], 2);
                }

$storeAuth = false;
                if ($this->io->hasAuthentication($match[2])) {
                    $auth = $this->io->getAuthentication($match[2]);
                } elseif ($this->io->isInteractive()) {
                    $defaultUsername = null;
                    if (isset($authParts) && $authParts) {
                        if (false !== strpos($authParts, ':')) {
                            list($defaultUsername, ) = explode(':', $authParts, 2);
                        } else {
                            $defaultUsername = $authParts;
                        }
                    }

$this->io->writeError('    Authentication required (<info>' . parse_url($url, PHP_URL_HOST) . '</info>):');
                    $auth = array(
                        'username' => $this->io->ask('      Username: ', $defaultUsername),
                        'password' => $this->io->askAndHideAnswer('      Password: '),
                    );
                    $storeAuth = $this->config->get('store-auths');
                }

if ($auth) {
                    $authUrl = $match[1] . rawurlencode($auth['username']) . ':' . rawurlencode($auth['password']) . '@' . $match[2] . $match[3];

$command = call_user_func($commandCallable, $authUrl);
                    if (0 === $this->process->execute($command, $ignoredOutput, $cwd)) {
                        $this->io->setAuthentication($match[2], $auth['username'], $auth['password']);
                        $authHelper = new AuthHelper($this->io, $this->config);
                        $authHelper->storeAuth($match[2], $storeAuth);

return;
                    }
                }
            }

if ($initialClone) {
                $this->filesystem->removeDirectory($origCwd);
            }
            $this->throwException('Failed to execute ' . $command . "\n\n" . $this->process->getErrorOutput(), $url);
        }
    }

public function syncMirror($url, $dir)
    {
        // update the repo if it is a valid git repository
        if (is_dir($dir) && 0 === $this->process->execute('git rev-parse --git-dir', $output, $dir) && trim($output) === '.') {
            try {
                $commandCallable = function ($url) {
                    return sprintf('git remote set-url origin %s && git remote update --prune origin', ProcessExecutor::escape($url));
                };
                $this->runCommand($commandCallable, $url, $dir);
            } catch (\Exception $e) {
                return false;
            }

return true;
        }

// clean up directory and do a fresh clone into it
        $this->filesystem->removeDirectory($dir);

$commandCallable = function ($url) use ($dir) {
            return sprintf('git clone --mirror %s %s', ProcessExecutor::escape($url), ProcessExecutor::escape($dir));
        };

$this->runCommand($commandCallable, $url, $dir, true);

return true;
    }

public function fetchRefOrSyncMirror($url, $dir, $ref)
    {
        if (is_dir($dir) && 0 === $this->process->execute('git rev-parse --git-dir', $output, $dir) && trim($output) === '.') {
            $escapedRef = ProcessExecutor::escape($ref.'^{commit}');
            $exitCode = $this->process->execute(sprintf('git rev-parse --quiet --verify %s', $escapedRef), $output, $dir);
            if ($exitCode === 0) {
                return true;
            }
        }

$this->syncMirror($url, $dir);

return false;
    }

private function isAuthenticationFailure($url, &$match)
    {
        if (!preg_match('{^(https?://)([^/]+)(.*)$}i', $url, $match)) {
            return false;
        }

$authFailures = array(
            'fatal: Authentication failed',
            'remote error: Invalid username or password.',
            'error: 401 Unauthorized',
            'fatal: unable to access',
            'fatal: could not read Username',
        );

$errorOutput = $this->process->getErrorOutput();
        foreach ($authFailures as $authFailure) {
            if (strpos($errorOutput, $authFailure) !== false) {
                return true;
            }
        }

return false;
    }

public static function cleanEnv()
    {
        if (PHP_VERSION_ID < 50400 && ini_get('safe_mode') && false === strpos(ini_get('safe_mode_allowed_env_vars'), 'GIT_ASKPASS')) {
            throw new \RuntimeException('safe_mode is enabled and safe_mode_allowed_env_vars does not contain GIT_ASKPASS, can not set env var. You can disable safe_mode with "-dsafe_mode=0" when running composer');
        }

// added in git 1.7.1, prevents prompting the user for username/password
        if (getenv('GIT_ASKPASS') !== 'echo') {
            putenv('GIT_ASKPASS=echo');
            unset($_SERVER['GIT_ASKPASS']);
        }

// clean up rogue git env vars in case this is running in a git hook
        if (getenv('GIT_DIR')) {
            putenv('GIT_DIR');
            unset($_SERVER['GIT_DIR']);
        }
        if (getenv('GIT_WORK_TREE')) {
            putenv('GIT_WORK_TREE');
            unset($_SERVER['GIT_WORK_TREE']);
        }

// Run processes with predictable LANGUAGE
        if (getenv('LANGUAGE') !== 'C') {
            putenv('LANGUAGE=C');
        }

// clean up env for OSX, see https://github.com/composer/composer/issues/2146#issuecomment-35478940
        putenv("DYLD_LIBRARY_PATH");
        unset($_SERVER['DYLD_LIBRARY_PATH']);
    }

public static function getGitHubDomainsRegex(Config $config)
    {
        return '(' . implode('|', array_map('preg_quote', $config->get('github-domains'))) . ')';
    }

public static function sanitizeUrl($message)
    {
        return preg_replace_callback('{://(?P<user>[^@]+?):(?P<password>.+?)@}', function ($m) {
            if (preg_match('{^[a-f0-9]{12,}$}', $m[1])) {
                return '://***:***@';
            }

return '://' . $m[1] . ':***@';
        }, $message);
    }

private function throwException($message, $url)
    {
        // git might delete a directory when it fails and php will not know
        clearstatcache();

if (0 !== $this->process->execute('git --version', $ignoredOutput)) {
            throw new \RuntimeException(self::sanitizeUrl('Failed to clone ' . $url . ', git was not found, check that it is installed and in your PATH env.' . "\n\n" . $this->process->getErrorOutput()));
        }

throw new \RuntimeException(self::sanitizeUrl($message));
    }

/**
     * Retrieves the current git version.
     *
     * @return string|null The git version number.
     */
    public function getVersion()
    {
        if (isset(self::$version)) {
            return self::$version;
        }
        if (0 !== $this->process->execute('git --version', $output)) {
            return;
        }
        if (preg_match('/^git version (\d+(?:\.\d+)+)/m', $output, $matches)) {
            return self::$version = $matches[1];
        }
    }
}
<?php

namespace Composer\Util;

use Composer\XdebugHandler\XdebugHandler;

/**
 * Provides ini file location functions that work with and without a restart.
 * When the process has restarted it uses a tmp ini and stores the original
 * ini locations in an environment variable.
 *
 * @author John Stevenson <john-stevenson@blueyonder.co.uk>
 */
class IniHelper
{
    /**
     * Returns an array of php.ini locations with at least one entry
     *
     * The equivalent of calling php_ini_loaded_file then php_ini_scanned_files.
     * The loaded ini location is the first entry and may be empty.
     *
     * @return array
     */
    public static function getAll()
    {
        return XdebugHandler::getAllIniFiles();
    }

/**
     * Describes the location of the loaded php.ini file(s)
     *
     * @return string
     */
    public static function getMessage()
    {
        $paths = self::getAll();

if (empty($paths[0])) {
            array_shift($paths);
        }

$ini = array_shift($paths);

if (empty($ini)) {
            return 'A php.ini file does not exist. You will have to create one.';
        }

if (!empty($paths)) {
            return 'Your command-line PHP is using multiple ini files. Run `php --ini` to show them.';
        }

return 'The php.ini used by your command-line PHP is: '.$ini;
    }
}
<?php

namespace Composer\Util;

use Composer\Config;
use Composer\IO\IOInterface;

/**
 * @author Till Klampaeckel <till@php.net>
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class Svn
{
    const MAX_QTY_AUTH_TRIES = 5;

/**
     * @var array
     */
    protected $credentials;

/**
     * @var bool
     */
    protected $hasAuth;

/**
     * @var \Composer\IO\IOInterface
     */
    protected $io;

/**
     * @var string
     */
    protected $url;

/**
     * @var bool
     */
    protected $cacheCredentials = true;

/**
     * @var ProcessExecutor
     */
    protected $process;

/**
     * @var int
     */
    protected $qtyAuthTries = 0;

/**
     * @var \Composer\Config
     */
    protected $config;

/**
     * @var string|null
     */
    private static $version;

/**
     * @param string                   $url
     * @param \Composer\IO\IOInterface $io
     * @param Config                   $config
     * @param ProcessExecutor          $process
     */
    public function __construct($url, IOInterface $io, Config $config, ProcessExecutor $process = null)
    {
        $this->url = $url;
        $this->io = $io;
        $this->config = $config;
        $this->process = $process ?: new ProcessExecutor($io);
    }

public static function cleanEnv()
    {
        // clean up env for OSX, see https://github.com/composer/composer/issues/2146#issuecomment-35478940
        putenv("DYLD_LIBRARY_PATH");
        unset($_SERVER['DYLD_LIBRARY_PATH']);
    }

/**
     * Execute an SVN remote command and try to fix up the process with credentials
     * if necessary.
     *
     * @param string $command SVN command to run
     * @param string $url     SVN url
     * @param string $cwd     Working directory
     * @param string $path    Target for a checkout
     * @param bool   $verbose Output all output to the user
     *
     * @throws \RuntimeException
     * @return string
     */
    public function execute($command, $url, $cwd = null, $path = null, $verbose = false)
    {
        // Ensure we are allowed to use this URL by config
        $this->config->prohibitUrlByConfig($url, $this->io);

return $this->executeWithAuthRetry($command, $cwd, $url, $path, $verbose);
    }

/**
     * Execute an SVN local command and try to fix up the process with credentials
     * if necessary.
     *
     * @param string $command SVN command to run
     * @param string $path    Path argument passed thru to the command
     * @param string $cwd     Working directory
     * @param bool   $verbose Output all output to the user
     *
     * @throws \RuntimeException
     * @return string
     */
    public function executeLocal($command, $path, $cwd = null, $verbose = false)
    {
        // A local command has no remote url
        return $this->executeWithAuthRetry($command, $cwd, '', $path, $verbose);
    }

private function executeWithAuthRetry($svnCommand, $cwd, $url, $path, $verbose)
    {
        // Regenerate the command at each try, to use the newly user-provided credentials
        $command = $this->getCommand($svnCommand, $url, $path);

$output = null;
        $io = $this->io;
        $handler = function ($type, $buffer) use (&$output, $io, $verbose) {
            if ($type !== 'out') {
                return;
            }
            if ('Redirecting to URL ' === substr($buffer, 0, 19)) {
                return;
            }
            $output .= $buffer;
            if ($verbose) {
                $io->writeError($buffer, false);
            }
        };
        $status = $this->process->execute($command, $handler, $cwd);
        if (0 === $status) {
            return $output;
        }

$errorOutput = $this->process->getErrorOutput();
        $fullOutput = implode("\n", array($output, $errorOutput));

// the error is not auth-related
        if (false === stripos($fullOutput, 'Could not authenticate to server:')
            && false === stripos($fullOutput, 'authorization failed')
            && false === stripos($fullOutput, 'svn: E170001:')
            && false === stripos($fullOutput, 'svn: E215004:')) {
            throw new \RuntimeException($fullOutput);
        }

if (!$this->hasAuth()) {
            $this->doAuthDance();
        }

// try to authenticate if maximum quantity of tries not reached
        if ($this->qtyAuthTries++ < self::MAX_QTY_AUTH_TRIES) {
            // restart the process
            return $this->executeWithAuthRetry($svnCommand, $cwd, $url, $path, $verbose);
        }

throw new \RuntimeException(
            'wrong credentials provided ('.$fullOutput.')'
        );
    }

/**
     * @param bool $cacheCredentials
     */
    public function setCacheCredentials($cacheCredentials)
    {
        $this->cacheCredentials = $cacheCredentials;
    }

/**
     * Repositories requests credentials, let's put them in.
     *
     * @throws \RuntimeException
     * @return \Composer\Util\Svn
     */
    protected function doAuthDance()
    {
        // cannot ask for credentials in non interactive mode
        if (!$this->io->isInteractive()) {
            throw new \RuntimeException(
                'can not ask for authentication in non interactive mode'
            );
        }

$this->io->writeError("The Subversion server ({$this->url}) requested credentials:");

$this->hasAuth = true;
        $this->credentials['username'] = $this->io->ask("Username: ");
        $this->credentials['password'] = $this->io->askAndHideAnswer("Password: ");

$this->cacheCredentials = $this->io->askConfirmation("Should Subversion cache these credentials? (yes/no) ", true);

return $this;
    }

/**
     * A method to create the svn commands run.
     *
     * @param string $cmd  Usually 'svn ls' or something like that.
     * @param string $url  Repo URL.
     * @param string $path Target for a checkout
     *
     * @return string
     */
    protected function getCommand($cmd, $url, $path = null)
    {
        $cmd = sprintf(
            '%s %s%s %s',
            $cmd,
            '--non-interactive ',
            $this->getCredentialString(),
            ProcessExecutor::escape($url)
        );

if ($path) {
            $cmd .= ' ' . ProcessExecutor::escape($path);
        }

return $cmd;
    }

/**
     * Return the credential string for the svn command.
     *
     * Adds --no-auth-cache when credentials are present.
     *
     * @return string
     */
    protected function getCredentialString()
    {
        if (!$this->hasAuth()) {
            return '';
        }

return sprintf(
            ' %s--username %s --password %s ',
            $this->getAuthCache(),
            ProcessExecutor::escape($this->getUsername()),
            ProcessExecutor::escape($this->getPassword())
        );
    }

/**
     * Get the password for the svn command. Can be empty.
     *
     * @throws \LogicException
     * @return string
     */
    protected function getPassword()
    {
        if ($this->credentials === null) {
            throw new \LogicException("No svn auth detected.");
        }

return isset($this->credentials['password']) ? $this->credentials['password'] : '';
    }

/**
     * Get the username for the svn command.
     *
     * @throws \LogicException
     * @return string
     */
    protected function getUsername()
    {
        if ($this->credentials === null) {
            throw new \LogicException("No svn auth detected.");
        }

return $this->credentials['username'];
    }

/**
     * Detect Svn Auth.
     *
     * @return bool
     */
    protected function hasAuth()
    {
        if (null !== $this->hasAuth) {
            return $this->hasAuth;
        }

if (false === $this->createAuthFromConfig()) {
            $this->createAuthFromUrl();
        }

return $this->hasAuth;
    }

/**
     * Return the no-auth-cache switch.
     *
     * @return string
     */
    protected function getAuthCache()
    {
        return $this->cacheCredentials ? '' : '--no-auth-cache ';
    }

/**
     * Create the auth params from the configuration file.
     *
     * @return bool
     */
    private function createAuthFromConfig()
    {
        if (!$this->config->has('http-basic')) {
            return $this->hasAuth = false;
        }

$authConfig = $this->config->get('http-basic');

$host = parse_url($this->url, PHP_URL_HOST);
        if (isset($authConfig[$host])) {
            $this->credentials['username'] = $authConfig[$host]['username'];
            $this->credentials['password'] = $authConfig[$host]['password'];

return $this->hasAuth = true;
        }

return $this->hasAuth = false;
    }

/**
     * Create the auth params from the url
     *
     * @return bool
     */
    private function createAuthFromUrl()
    {
        $uri = parse_url($this->url);
        if (empty($uri['user'])) {
            return $this->hasAuth = false;
        }

$this->credentials['username'] = $uri['user'];
        if (!empty($uri['pass'])) {
            $this->credentials['password'] = $uri['pass'];
        }

return $this->hasAuth = true;
    }

/**
     * Returns the version of the svn binary contained in PATH
     *
     * @return string|null
     */
    public function binaryVersion()
    {
        if (!self::$version) {
            if (0 === $this->process->execute('svn --version', $output)) {
                if (preg_match('{(\d+(?:\.\d+)+)}', $output, $match)) {
                    self::$version = $match[1];
                }
            }
        }

return self::$version;
    }
}
<?php

namespace Composer\Util;

use Composer\Config;
use Composer\IO\IOInterface;

/**
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class AuthHelper
{
    protected $io;
    protected $config;

public function __construct(IOInterface $io, Config $config)
    {
        $this->io = $io;
        $this->config = $config;
    }

public function storeAuth($originUrl, $storeAuth)
    {
        $store = false;
        $configSource = $this->config->getAuthConfigSource();
        if ($storeAuth === true) {
            $store = $configSource;
        } elseif ($storeAuth === 'prompt') {
            $answer = $this->io->askAndValidate(
                'Do you want to store credentials for '.$originUrl.' in '.$configSource->getName().' ? [Yn] ',
                function ($value) {
                    $input = strtolower(substr(trim($value), 0, 1));
                    if (in_array($input, array('y','n'))) {
                        return $input;
                    }
                    throw new \RuntimeException('Please answer (y)es or (n)o');
                },
                null,
                'y'
            );

if ($answer === 'y') {
                $store = $configSource;
            }
        }
        if ($store) {
            $store->addConfigSetting(
                'http-basic.'.$originUrl,
                $this->io->getAuthentication($originUrl)
            );
        }
    }
}
<?php

namespace Composer\Util;

use Composer\Factory;
use Composer\IO\IOInterface;
use Composer\Config;
use Composer\Downloader\TransportException;

/**
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class GitHub
{
    protected $io;
    protected $config;
    protected $process;
    protected $remoteFilesystem;

/**
     * Attempts to authorize a GitHub domain via OAuth
     *
     * @param  string $originUrl The host this GitHub instance is located at
     * @return bool   true on success
     */
    public function authorizeOAuth($originUrl)
    {
        if (!in_array($originUrl, $this->config->get('github-domains'))) {
            return false;
        }

// if available use token from git config
        if (0 === $this->process->execute('git config github.accesstoken', $output)) {
            $this->io->setAuthentication($originUrl, trim($output), 'x-oauth-basic');

return true;
        }

return false;
    }

/**
     * Authorizes a GitHub domain interactively via OAuth
     *
     * @param  string                        $originUrl The host this GitHub instance is located at
     * @param  string                        $message   The reason this authorization is required
     * @throws \RuntimeException
     * @throws TransportException|\Exception
     * @return bool                          true on success
     */
    public function authorizeOAuthInteractively($originUrl, $message = null)
    {
        if ($message) {
            $this->io->writeError($message);
        }

$note = 'Composer';
        if ($this->config->get('github-expose-hostname') === true && 0 === $this->process->execute('hostname', $output)) {
            $note .= ' on ' . trim($output);
        }
        $note .= ' ' . date('Y-m-d Hi');

$url = 'https://'.$originUrl.'/settings/tokens/new?scopes=repo&description=' . str_replace('%20', '+', rawurlencode($note));
        $this->io->writeError(sprintf('Head to %s', $url));
        $this->io->writeError(sprintf('to retrieve a token. It will be stored in "%s" for future use by Composer.', $this->config->getAuthConfigSource()->getName()));

$token = trim($this->io->askAndHideAnswer('Token (hidden): '));

if (!$token) {
            $this->io->writeError('<warning>No token given, aborting.</warning>');
            $this->io->writeError('You can also add it manually later by using "composer config --global --auth github-oauth.github.com <token>"');

return false;
        }

$this->io->setAuthentication($originUrl, $token, 'x-oauth-basic');

try {
            $apiUrl = ('github.com' === $originUrl) ? 'api.github.com/' : $originUrl . '/api/v3/';

$this->remoteFilesystem->getContents($originUrl, 'https://'. $apiUrl, false, array(
                'retry-auth-failure' => false,
            ));
        } catch (TransportException $e) {
            if (in_array($e->getCode(), array(403, 401))) {
                $this->io->writeError('<error>Invalid token provided.</error>');
                $this->io->writeError('You can also add it manually later by using "composer config --global --auth github-oauth.github.com <token>"');

return false;
            }

throw $e;
        }

// store value in user config
        $this->config->getConfigSource()->removeConfigSetting('github-oauth.'.$originUrl);
        $this->config->getAuthConfigSource()->addConfigSetting('github-oauth.'.$originUrl, $token);

$this->io->writeError('<info>Token stored successfully.</info>');

return true;
    }

/**
     * Extract ratelimit from response.
     *
     * @param array $headers Headers from Composer\Downloader\TransportException.
     *
     * @return array Associative array with the keys limit and reset.
     */
    public function getRateLimit(array $headers)
    {
        $rateLimit = array(
            'limit' => '?',
            'reset' => '?',
        );

foreach ($headers as $header) {
            $header = trim($header);
            if (false === strpos($header, 'X-RateLimit-')) {
                continue;
            }
            list($type, $value) = explode(':', $header, 2);
            switch ($type) {
                case 'X-RateLimit-Limit':
                    $rateLimit['limit'] = (int) trim($value);
                    break;
                case 'X-RateLimit-Reset':
                    $rateLimit['reset'] = date('Y-m-d H:i:s', (int) trim($value));
                    break;
            }
        }

return $rateLimit;
    }

/**
     * Finds whether a request failed due to rate limiting
     *
     * @param array $headers Headers from Composer\Downloader\TransportException.
     *
     * @return bool
     */
    public function isRateLimited(array $headers)
    {
        foreach ($headers as $header) {
            if (preg_match('{^X-RateLimit-Remaining: *0$}i', trim($header))) {
                return true;
            }
        }

return false;
    }
}
<?php

namespace Composer\Util;

use Composer\Config;

/**
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class Url
{
    public static function updateDistReference(Config $config, $url, $ref)
    {
        $host = parse_url($url, PHP_URL_HOST);

if ($host === 'api.github.com' || $host === 'github.com' || $host === 'www.github.com') {
            if (preg_match('{^https?://(?:www\.)?github\.com/([^/]+)/([^/]+)/(zip|tar)ball/(.+)$}i', $url, $match)) {
                // update legacy github archives to API calls with the proper reference
                $url = 'https://api.github.com/repos/' . $match[1] . '/'. $match[2] . '/' . $match[3] . 'ball/' . $ref;
            } elseif (preg_match('{^https?://(?:www\.)?github\.com/([^/]+)/([^/]+)/archive/.+\.(zip|tar)(?:\.gz)?$}i', $url, $match)) {
                // update current github web archives to API calls with the proper reference
                $url = 'https://api.github.com/repos/' . $match[1] . '/'. $match[2] . '/' . $match[3] . 'ball/' . $ref;
            } elseif (preg_match('{^https?://api\.github\.com/repos/([^/]+)/([^/]+)/(zip|tar)ball(?:/.+)?$}i', $url, $match)) {
                // update api archives to the proper reference
                $url = 'https://api.github.com/repos/' . $match[1] . '/'. $match[2] . '/' . $match[3] . 'ball/' . $ref;
            }
        } elseif ($host === 'bitbucket.org' || $host === 'www.bitbucket.org') {
            if (preg_match('{^https?://(?:www\.)?bitbucket\.org/([^/]+)/([^/]+)/get/(.+)\.(zip|tar\.gz|tar\.bz2)$}i', $url, $match)) {
                // update Bitbucket archives to the proper reference
                $url = 'https://bitbucket.org/' . $match[1] . '/'. $match[2] . '/get/' . $ref . '.' . $match[4];
            }
        } elseif ($host === 'gitlab.com' || $host === 'www.gitlab.com') {
            if (preg_match('{^https?://(?:www\.)?gitlab\.com/api/v[34]/projects/([^/]+)/repository/archive\.(zip|tar\.gz|tar\.bz2|tar)\?sha=.+$}i', $url, $match)) {
                // update Gitlab archives to the proper reference
                $url = 'https://gitlab.com/api/v4/projects/' . $match[1] . '/repository/archive.' . $match[2] . '?sha=' . $ref;
            }
        } elseif (in_array($host, $config->get('github-domains'), true)) {
            $url = preg_replace('{(/repos/[^/]+/[^/]+/(zip|tar)ball)(?:/.+)?$}i', '$1/'.$ref, $url);
        } elseif (in_array($host, $config->get('gitlab-domains'), true)) {
            $url = preg_replace('{(/api/v[34]/projects/[^/]+/repository/archive\.(?:zip|tar\.gz|tar\.bz2|tar)\?sha=).+$}i', '${1}'.$ref, $url);
        }

return $url;
    }
}
<?php

namespace Composer\Util;

use Composer\Package\Loader\ArrayLoader;
use Composer\Package\Loader\ValidatingArrayLoader;
use Composer\Package\Loader\InvalidPackageException;
use Composer\Json\JsonValidationException;
use Composer\IO\IOInterface;
use Composer\Json\JsonFile;
use Composer\Spdx\SpdxLicenses;

/**
 * Validates a composer configuration.
 *
 * @author Robert SchÃ¶nthal <seroscho@googlemail.com>
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class ConfigValidator
{
    private $io;

public function __construct(IOInterface $io)
    {
        $this->io = $io;
    }

/**
     * Validates the config, and returns the result.
     *
     * @param string $file                       The path to the file
     * @param int    $arrayLoaderValidationFlags Flags for ArrayLoader validation
     *
     * @return array a triple containing the errors, publishable errors, and warnings
     */
    public function validate($file, $arrayLoaderValidationFlags = ValidatingArrayLoader::CHECK_ALL)
    {
        $errors = array();
        $publishErrors = array();
        $warnings = array();

// validate json schema
        $laxValid = false;
        try {
            $json = new JsonFile($file, null, $this->io);
            $manifest = $json->read();

$json->validateSchema(JsonFile::LAX_SCHEMA);
            $laxValid = true;
            $json->validateSchema();
        } catch (JsonValidationException $e) {
            foreach ($e->getErrors() as $message) {
                if ($laxValid) {
                    $publishErrors[] = $message;
                } else {
                    $errors[] = $message;
                }
            }
        } catch (\Exception $e) {
            $errors[] = $e->getMessage();

return array($errors, $publishErrors, $warnings);
        }

// validate actual data
        if (empty($manifest['license'])) {
            $warnings[] = 'No license specified, it is recommended to do so. For closed-source software you may use "proprietary" as license.';
        } else {
            $licenses = (array) $manifest['license'];

// strip proprietary since it's not a valid SPDX identifier, but is accepted by composer
            foreach ($licenses as $key => $license) {
                if ('proprietary' === $license) {
                    unset($licenses[$key]);
                }
            }

$licenseValidator = new SpdxLicenses();
            foreach ($licenses as $license) {
                $spdxLicense = $licenseValidator->getLicenseByIdentifier($license);
                if ($spdxLicense && $spdxLicense[3]) {
                    if (preg_match('{^[AL]?GPL-[123](\.[01])?\+$}i', $license)) {
                        $warnings[] = sprintf(
                            'License "%s" is a deprecated SPDX license identifier, use "'.str_replace('+', '', $license).'-or-later" instead',
                            $license
                        );
                    } elseif (preg_match('{^[AL]?GPL-[123](\.[01])?$}i', $license)) {
                        $warnings[] = sprintf(
                            'License "%s" is a deprecated SPDX license identifier, use "'.$license.'-only" or "'.$license.'-or-later" instead',
                            $license
                        );
                    } else {
                        $warnings[] = sprintf(
                            'License "%s" is a deprecated SPDX license identifier, see https://spdx.org/licenses/',
                            $license
                        );
                    }
                }
            }
        }

if (isset($manifest['version'])) {
            $warnings[] = 'The version field is present, it is recommended to leave it out if the package is published on Packagist.';
        }

if (!empty($manifest['name']) && preg_match('{[A-Z]}', $manifest['name'])) {
            $suggestName = preg_replace('{(?:([a-z])([A-Z])|([A-Z])([A-Z][a-z]))}', '\\1\\3-\\2\\4', $manifest['name']);
            $suggestName = strtolower($suggestName);

$publishErrors[] = sprintf(
                'Name "%s" does not match the best practice (e.g. lower-cased/with-dashes). We suggest using "%s" instead. As such you will not be able to submit it to Packagist.',
                $manifest['name'],
                $suggestName
            );
        }

if (!empty($manifest['type']) && $manifest['type'] == 'composer-installer') {
            $warnings[] = "The package type 'composer-installer' is deprecated. Please distribute your custom installers as plugins from now on. See https://getcomposer.org/doc/articles/plugins.md for plugin documentation.";
        }

// check for require-dev overrides
        if (isset($manifest['require']) && isset($manifest['require-dev'])) {
            $requireOverrides = array_intersect_key($manifest['require'], $manifest['require-dev']);

if (!empty($requireOverrides)) {
                $plural = (count($requireOverrides) > 1) ? 'are' : 'is';
                $warnings[] = implode(', ', array_keys($requireOverrides)). " {$plural} required both in require and require-dev, this can lead to unexpected behavior";
            }
        }

// check for commit references
        $require = isset($manifest['require']) ? $manifest['require'] : array();
        $requireDev = isset($manifest['require-dev']) ? $manifest['require-dev'] : array();
        $packages = array_merge($require, $requireDev);
        foreach ($packages as $package => $version) {
            if (preg_match('/#/', $version) === 1) {
                $warnings[] = sprintf(
                    'The package "%s" is pointing to a commit-ref, this is bad practice and can cause unforeseen issues.',
                    $package
                );
            }
        }

// report scripts-descriptions for non-existent scripts
        $scriptsDescriptions = isset($manifest['scripts-descriptions']) ? $manifest['scripts-descriptions'] : array();
        $scripts = isset($manifest['scripts']) ? $manifest['scripts'] : array();
        foreach ($scriptsDescriptions as $scriptName => $scriptDescription) {
            if (!array_key_exists($scriptName, $scripts)) {
                $warnings[] = sprintf(
                    'Description for non-existent script "%s" found in "scripts-descriptions"',
                    $scriptName
                );
            }
        }

// check for empty psr-0/psr-4 namespace prefixes
        if (isset($manifest['autoload']['psr-0'][''])) {
            $warnings[] = "Defining autoload.psr-0 with an empty namespace prefix is a bad idea for performance";
        }
        if (isset($manifest['autoload']['psr-4'][''])) {
            $warnings[] = "Defining autoload.psr-4 with an empty namespace prefix is a bad idea for performance";
        }

try {
            $loader = new ValidatingArrayLoader(new ArrayLoader(), true, null, $arrayLoaderValidationFlags);
            if (!isset($manifest['version'])) {
                $manifest['version'] = '1.0.0';
            }
            if (!isset($manifest['name'])) {
                $manifest['name'] = 'dummy/dummy';
            }
            $loader->load($manifest);
        } catch (InvalidPackageException $e) {
            $errors = array_merge($errors, $e->getErrors());
        }

$warnings = array_merge($warnings, $loader->getWarnings());

return array($errors, $publishErrors, $warnings);
    }
}
<?php

namespace Composer\Util;

use Composer\Config;
use Composer\IO\IOInterface;
use Composer\Downloader\TransportException;
use Composer\CaBundle\CaBundle;
use Psr\Log\LoggerInterface;

/**
 * @author FranÃ§ois Pluchino <francois.pluchino@opendisplay.com>
 * @author Jordi Boggiano <j.boggiano@seld.be>
 * @author Nils Adermann <naderman@naderman.de>
 */
class RemoteFilesystem
{
    private $io;
    private $config;
    private $scheme;
    private $bytesMax;
    private $originUrl;
    private $fileUrl;
    private $fileName;
    private $retry;
    private $progress;
    private $lastProgress;
    private $options = array();
    private $peerCertificateMap = array();
    private $disableTls = false;
    private $retryAuthFailure;
    private $lastHeaders;
    private $storeAuth;
    private $degradedMode = false;
    private $redirects;
    private $maxRedirects = 20;

/**
     * Constructor.
     *
     * @param IOInterface $io         The IO instance
     * @param Config      $config     The config
     * @param array       $options    The options
     * @param bool        $disableTls
     */
    public function __construct(IOInterface $io, Config $config = null, array $options = array(), $disableTls = false)
    {
        $this->io = $io;

// Setup TLS options
        // The cafile option can be set via config.json
        if ($disableTls === false) {
            $this->options = $this->getTlsDefaults($options);
        } else {
            $this->disableTls = true;
        }

// handle the other externally set options normally.
        $this->options = array_replace_recursive($this->options, $options);
        $this->config = $config;
    }

/**
     * Copy the remote file in local.
     *
     * @param string $originUrl The origin URL
     * @param string $fileUrl   The file URL
     * @param string $fileName  the local filename
     * @param bool   $progress  Display the progression
     * @param array  $options   Additional context options
     *
     * @return bool true
     */
    public function copy($originUrl, $fileUrl, $fileName, $progress = true, $options = array())
    {
        return $this->get($originUrl, $fileUrl, $options, $fileName, $progress);
    }

/**
     * Get the content.
     *
     * @param string $originUrl The origin URL
     * @param string $fileUrl   The file URL
     * @param bool   $progress  Display the progression
     * @param array  $options   Additional context options
     *
     * @return bool|string The content
     */
    public function getContents($originUrl, $fileUrl, $progress = true, $options = array())
    {
        return $this->get($originUrl, $fileUrl, $options, null, $progress);
    }

/**
     * Retrieve the options set in the constructor
     *
     * @return array Options
     */
    public function getOptions()
    {
        return $this->options;
    }

/**
     * Merges new options
     *
     * @param array $options
     */
    public function setOptions(array $options)
    {
        $this->options = array_replace_recursive($this->options, $options);
    }

/**
     * Check is disable TLS.
     *
     * @return bool
     */
    public function isTlsDisabled()
    {
        return $this->disableTls === true;
    }

/**
     * Returns the headers of the last request
     *
     * @return array
     */
    public function getLastHeaders()
    {
        return $this->lastHeaders;
    }

/**
     * @param  array       $headers array of returned headers like from getLastHeaders()
     * @param  string      $name    header name (case insensitive)
     * @return string|null
     */
    public function findHeaderValue(array $headers, $name)
    {
        $value = null;
        foreach ($headers as $header) {
            if (preg_match('{^'.$name.':\s*(.+?)\s*$}i', $header, $match)) {
                $value = $match[1];
            } elseif (preg_match('{^HTTP/}i', $header)) {
                // In case of redirects, http_response_headers contains the headers of all responses
                // so we reset the flag when a new response is being parsed as we are only interested in the last response
                $value = null;
            }
        }

return $value;
    }

/**
     * @param  array    $headers array of returned headers like from getLastHeaders()
     * @return int|null
     */
    public function findStatusCode(array $headers)
    {
        $value = null;
        foreach ($headers as $header) {
            if (preg_match('{^HTTP/\S+ (\d+)}i', $header, $match)) {
                // In case of redirects, http_response_headers contains the headers of all responses
                // so we can not return directly and need to keep iterating
                $value = (int) $match[1];
            }
        }

return $value;
    }

/**
     * @param  array       $headers array of returned headers like from getLastHeaders()
     * @return string|null
     */
    public function findStatusMessage(array $headers)
    {
        $value = null;
        foreach ($headers as $header) {
            if (preg_match('{^HTTP/\S+ \d+}i', $header)) {
                // In case of redirects, http_response_headers contains the headers of all responses
                // so we can not return directly and need to keep iterating
                $value = $header;
            }
        }

return $value;
    }

/**
     * Get file content or copy action.
     *
     * @param string $originUrl         The origin URL
     * @param string $fileUrl           The file URL
     * @param array  $additionalOptions context options
     * @param string $fileName          the local filename
     * @param bool   $progress          Display the progression
     *
     * @throws TransportException|\Exception
     * @throws TransportException            When the file could not be downloaded
     *
     * @return bool|string
     */
    protected function get($originUrl, $fileUrl, $additionalOptions = array(), $fileName = null, $progress = true)
    {
        if (strpos($originUrl, '.github.com') === (strlen($originUrl) - 11)) {
            $originUrl = 'github.com';
        }

// Gitlab can be installed in a non-root context (i.e. gitlab.com/foo). When downloading archives the originUrl
        // is the host without the path, so we look for the registered gitlab-domains matching the host here
        if (
            $this->config
            && is_array($this->config->get('gitlab-domains'))
            && false === strpos($originUrl, '/')
            && !in_array($originUrl, $this->config->get('gitlab-domains'))
        ) {
            foreach ($this->config->get('gitlab-domains') as $gitlabDomain) {
                if (0 === strpos($gitlabDomain, $originUrl)) {
                    $originUrl = $gitlabDomain;
                    break;
                }
            }
            unset($gitlabDomain);
        }

$this->scheme = parse_url($fileUrl, PHP_URL_SCHEME);
        $this->bytesMax = 0;
        $this->originUrl = $originUrl;
        $this->fileUrl = $fileUrl;
        $this->fileName = $fileName;
        $this->progress = $progress;
        $this->lastProgress = null;
        $this->retryAuthFailure = true;
        $this->lastHeaders = array();
        $this->redirects = 1; // The first request counts.

// capture username/password from URL if there is one
        if (preg_match('{^https?://([^:/]+):([^@/]+)@([^/]+)}i', $fileUrl, $match)) {
            $this->io->setAuthentication($originUrl, rawurldecode($match[1]), rawurldecode($match[2]));
        }

$tempAdditionalOptions = $additionalOptions;
        if (isset($tempAdditionalOptions['retry-auth-failure'])) {
            $this->retryAuthFailure = (bool) $tempAdditionalOptions['retry-auth-failure'];

unset($tempAdditionalOptions['retry-auth-failure']);
        }

$isRedirect = false;
        if (isset($tempAdditionalOptions['redirects'])) {
            $this->redirects = $tempAdditionalOptions['redirects'];
            $isRedirect = true;

unset($tempAdditionalOptions['redirects']);
        }

$options = $this->getOptionsForUrl($originUrl, $tempAdditionalOptions);
        unset($tempAdditionalOptions);

$origFileUrl = $fileUrl;

if (isset($options['github-token'])) {
            // only add the access_token if it is actually a github URL (in case we were redirected to S3)
            if (preg_match('{^https?://([a-z0-9-]+\.)*github\.com/}', $fileUrl)) {
                $fileUrl .= (false === strpos($fileUrl, '?') ? '?' : '&') . 'access_token='.$options['github-token'];
            }
            unset($options['github-token']);
        }

if (isset($options['gitlab-token'])) {
            $fileUrl .= (false === strpos($fileUrl, '?') ? '?' : '&') . 'access_token='.$options['gitlab-token'];
            unset($options['gitlab-token']);
        }

if (isset($options['http'])) {
            $options['http']['ignore_errors'] = true;
        }

if ($this->degradedMode && substr($fileUrl, 0, 26) === 'http://repo.packagist.org/') {
            // access packagist using the resolved IPv4 instead of the hostname to force IPv4 protocol
            $fileUrl = 'http://' . gethostbyname('repo.packagist.org') . substr($fileUrl, 20);
            $degradedPackagist = true;
        }

$ctx = StreamContextFactory::getContext($fileUrl, $options, array('notification' => array($this, 'callbackGet')));

$actualContextOptions = stream_context_get_options($ctx);
        $usingProxy = !empty($actualContextOptions['http']['proxy']) ? ' using proxy ' . $actualContextOptions['http']['proxy'] : '';
        $this->io->writeError((substr($origFileUrl, 0, 4) === 'http' ? 'Downloading ' : 'Reading ') . $origFileUrl . $usingProxy, true, IOInterface::DEBUG);
        unset($origFileUrl, $actualContextOptions);

// Check for secure HTTP, but allow insecure Packagist calls to $hashed providers as file integrity is verified with sha256
        if ((!preg_match('{^http://(repo\.)?packagist\.org/p/}', $fileUrl) || (false === strpos($fileUrl, '$') && false === strpos($fileUrl, '%24'))) && empty($degradedPackagist) && $this->config) {
            $this->config->prohibitUrlByConfig($fileUrl, $this->io);
        }

if ($this->progress && !$isRedirect) {
            $this->io->writeError("Downloading (<comment>connecting...</comment>)", false);
        }

$errorMessage = '';
        $errorCode = 0;
        $result = false;
        set_error_handler(function ($code, $msg) use (&$errorMessage) {
            if ($errorMessage) {
                $errorMessage .= "\n";
            }
            $errorMessage .= preg_replace('{^file_get_contents$.*?$: }', '', $msg);
        });
        try {
            $result = $this->getRemoteContents($originUrl, $fileUrl, $ctx, $http_response_header);

if (!empty($http_response_header[0])) {
                $statusCode = $this->findStatusCode($http_response_header);
                if (in_array($statusCode, array(401, 403)) && $this->retryAuthFailure) {
                    $warning = null;
                    if ($this->findHeaderValue($http_response_header, 'content-type') === 'application/json') {
                        $data = json_decode($result, true);
                        if (!empty($data['warning'])) {
                            $warning = $data['warning'];
                        }
                    }
                    $this->promptAuthAndRetry($statusCode, $this->findStatusMessage($http_response_header), $warning, $http_response_header);
                }
            }

$contentLength = !empty($http_response_header[0]) ? $this->findHeaderValue($http_response_header, 'content-length') : null;
            if ($contentLength && Platform::strlen($result) < $contentLength) {
                // alas, this is not possible via the stream callback because STREAM_NOTIFY_COMPLETED is documented, but not implemented anywhere in PHP
                $e = new TransportException('Content-Length mismatch, received '.Platform::strlen($result).' bytes out of the expected '.$contentLength);
                $e->setHeaders($http_response_header);
                $e->setStatusCode($this->findStatusCode($http_response_header));
                $e->setResponse($result);
                $this->io->writeError('Content-Length mismatch, received '.Platform::strlen($result).' out of '.$contentLength.' bytes: (' . base64_encode($result).')', true, IOInterface::DEBUG);

throw $e;
            }

if (PHP_VERSION_ID < 50600 && !empty($options['ssl']['peer_fingerprint'])) {
                // Emulate fingerprint validation on PHP < 5.6
                $params = stream_context_get_params($ctx);
                $expectedPeerFingerprint = $options['ssl']['peer_fingerprint'];
                $peerFingerprint = TlsHelper::getCertificateFingerprint($params['options']['ssl']['peer_certificate']);

// Constant time compare??!
                if ($expectedPeerFingerprint !== $peerFingerprint) {
                    throw new TransportException('Peer fingerprint did not match');
                }
            }
        } catch (\Exception $e) {
            if ($e instanceof TransportException && !empty($http_response_header[0])) {
                $e->setHeaders($http_response_header);
                $e->setStatusCode($this->findStatusCode($http_response_header));
            }
            if ($e instanceof TransportException && $result !== false) {
                $e->setResponse($result);
            }
            $result = false;
        }
        if ($errorMessage && !filter_var(ini_get('allow_url_fopen'), FILTER_VALIDATE_BOOLEAN)) {
            $errorMessage = 'allow_url_fopen must be enabled in php.ini ('.$errorMessage.')';
        }
        restore_error_handler();
        if (isset($e) && !$this->retry) {
            if (!$this->degradedMode && false !== strpos($e->getMessage(), 'Operation timed out')) {
                $this->degradedMode = true;
                $this->io->writeError('');
                $this->io->writeError(array(
                    '<error>'.$e->getMessage().'</error>',
                    '<error>Retrying with degraded mode, check https://getcomposer.org/doc/articles/troubleshooting.md#degraded-mode for more info</error>',
                ));

return $this->get($this->originUrl, $this->fileUrl, $additionalOptions, $this->fileName, $this->progress);
            }

throw $e;
        }

$statusCode = null;
        $contentType = null;
        $locationHeader = null;
        if (!empty($http_response_header[0])) {
            $statusCode = $this->findStatusCode($http_response_header);
            $contentType = $this->findHeaderValue($http_response_header, 'content-type');
            $locationHeader = $this->findHeaderValue($http_response_header, 'location');
        }

// check for bitbucket login page asking to authenticate
        if ($originUrl === 'bitbucket.org'
            && !$this->isPublicBitBucketDownload($fileUrl)
            && substr($fileUrl, -4) === '.zip'
            && (!$locationHeader || substr($locationHeader, -4) !== '.zip')
            && $contentType && preg_match('{^text/html\b}i', $contentType)
        ) {
            $result = false;
            if ($this->retryAuthFailure) {
                $this->promptAuthAndRetry(401);
            }
        }

// check for gitlab 404 when downloading archives
        if ($statusCode === 404
            && $this->config && in_array($originUrl, $this->config->get('gitlab-domains'), true)
            && false !== strpos($fileUrl, 'archive.zip')
        ) {
            $result = false;
            if ($this->retryAuthFailure) {
                $this->promptAuthAndRetry(401);
            }
        }

// handle 3xx redirects, 304 Not Modified is excluded
        $hasFollowedRedirect = false;
        if ($statusCode >= 300 && $statusCode <= 399 && $statusCode !== 304 && $this->redirects < $this->maxRedirects) {
            $hasFollowedRedirect = true;
            $result = $this->handleRedirect($http_response_header, $additionalOptions, $result);
        }

// fail 4xx and 5xx responses and capture the response
        if ($statusCode && $statusCode >= 400 && $statusCode <= 599) {
            if (!$this->retry) {
                if ($this->progress && !$this->retry && !$isRedirect) {
                    $this->io->overwriteError("Downloading (<error>failed</error>)", false);
                }

$e = new TransportException('The "'.$this->fileUrl.'" file could not be downloaded ('.$http_response_header[0].')', $statusCode);
                $e->setHeaders($http_response_header);
                $e->setResponse($result);
                $e->setStatusCode($statusCode);
                throw $e;
            }
            $result = false;
        }

if ($this->progress && !$this->retry && !$isRedirect) {
            $this->io->overwriteError("Downloading (".($result === false ? '<error>failed</error>' : '<comment>100%</comment>').")", false);
        }

// decode gzip
        if ($result && extension_loaded('zlib') && substr($fileUrl, 0, 4) === 'http' && !$hasFollowedRedirect) {
            $contentEncoding = $this->findHeaderValue($http_response_header, 'content-encoding');
            $decode = $contentEncoding && 'gzip' === strtolower($contentEncoding);

if ($decode) {
                try {
                    if (PHP_VERSION_ID >= 50400) {
                        $result = zlib_decode($result);
                    } else {
                        // work around issue with gzuncompress & co that do not work with all gzip checksums
                        $result = file_get_contents('compress.zlib://data:application/octet-stream;base64,'.base64_encode($result));
                    }

if (!$result) {
                        throw new TransportException('Failed to decode zlib stream');
                    }
                } catch (\Exception $e) {
                    if ($this->degradedMode) {
                        throw $e;
                    }

$this->degradedMode = true;
                    $this->io->writeError(array(
                        '',
                        '<error>Failed to decode response: '.$e->getMessage().'</error>',
                        '<error>Retrying with degraded mode, check https://getcomposer.org/doc/articles/troubleshooting.md#degraded-mode for more info</error>',
                    ));

return $this->get($this->originUrl, $this->fileUrl, $additionalOptions, $this->fileName, $this->progress);
                }
            }
        }

// handle copy command if download was successful
        if (false !== $result && null !== $fileName && !$isRedirect) {
            if ('' === $result) {
                throw new TransportException('"'.$this->fileUrl.'" appears broken, and returned an empty 200 response');
            }

$errorMessage = '';
            set_error_handler(function ($code, $msg) use (&$errorMessage) {
                if ($errorMessage) {
                    $errorMessage .= "\n";
                }
                $errorMessage .= preg_replace('{^file_put_contents$.*?$: }', '', $msg);
            });
            $result = (bool) file_put_contents($fileName, $result);
            restore_error_handler();
            if (false === $result) {
                throw new TransportException('The "'.$this->fileUrl.'" file could not be written to '.$fileName.': '.$errorMessage);
            }
        }

// Handle SSL cert match issues
        if (false === $result && false !== strpos($errorMessage, 'Peer certificate') && PHP_VERSION_ID < 50600) {
            // Certificate name error, PHP doesn't support subjectAltName on PHP < 5.6
            // The procedure to handle sAN for older PHP's is:
            //
            // 1. Open socket to remote server and fetch certificate (disabling peer
            //    validation because PHP errors without giving up the certificate.)
            //
            // 2. Verifying the domain in the URL against the names in the sAN field.
            //    If there is a match record the authority [host/port], certificate
            //    common name, and certificate fingerprint.
            //
            // 3. Retry the original request but changing the CN_match parameter to
            //    the common name extracted from the certificate in step 2.
            //
            // 4. To prevent any attempt at being hoodwinked by switching the
            //    certificate between steps 2 and 3 the fingerprint of the certificate
            //    presented in step 3 is compared against the one recorded in step 2.
            if (CaBundle::isOpensslParseSafe()) {
                $certDetails = $this->getCertificateCnAndFp($this->fileUrl, $options);

if ($certDetails) {
                    $this->peerCertificateMap[$this->getUrlAuthority($this->fileUrl)] = $certDetails;

$this->retry = true;
                }
            } else {
                $this->io->writeError('');
                $this->io->writeError(sprintf(
                    '<error>Your version of PHP, %s, is affected by CVE-2013-6420 and cannot safely perform certificate validation, we strongly suggest you upgrade.</error>',
                    PHP_VERSION
                ));
            }
        }

if ($this->retry) {
            $this->retry = false;

$result = $this->get($this->originUrl, $this->fileUrl, $additionalOptions, $this->fileName, $this->progress);

if ($this->storeAuth && $this->config) {
                $authHelper = new AuthHelper($this->io, $this->config);
                $authHelper->storeAuth($this->originUrl, $this->storeAuth);
                $this->storeAuth = false;
            }

return $result;
        }

if (false === $result) {
            $e = new TransportException('The "'.$this->fileUrl.'" file could not be downloaded: '.$errorMessage, $errorCode);
            if (!empty($http_response_header[0])) {
                $e->setHeaders($http_response_header);
            }

if (!$this->degradedMode && false !== strpos($e->getMessage(), 'Operation timed out')) {
                $this->degradedMode = true;
                $this->io->writeError('');
                $this->io->writeError(array(
                    '<error>'.$e->getMessage().'</error>',
                    '<error>Retrying with degraded mode, check https://getcomposer.org/doc/articles/troubleshooting.md#degraded-mode for more info</error>',
                ));

return $this->get($this->originUrl, $this->fileUrl, $additionalOptions, $this->fileName, $this->progress);
            }

throw $e;
        }

if (!empty($http_response_header[0])) {
            $this->lastHeaders = $http_response_header;
        }

return $result;
    }

/**
     * Get contents of remote URL.
     *
     * @param string   $originUrl The origin URL
     * @param string   $fileUrl   The file URL
     * @param resource $context   The stream context
     *
     * @return string|false The response contents or false on failure
     */
    protected function getRemoteContents($originUrl, $fileUrl, $context, array &$responseHeaders = null)
    {
        try {
            $e = null;
            $result = file_get_contents($fileUrl, false, $context);
        } catch (\Throwable $e) {
        } catch (\Exception $e) {
        }

$responseHeaders = isset($http_response_header) ? $http_response_header : array();

if (null !== $e) {
            throw $e;
        }

return $result;
    }

/**
     * Get notification action.
     *
     * @param  int                $notificationCode The notification code
     * @param  int                $severity         The severity level
     * @param  string             $message          The message
     * @param  int                $messageCode      The message code
     * @param  int                $bytesTransferred The loaded size
     * @param  int                $bytesMax         The total size
     * @throws TransportException
     */
    protected function callbackGet($notificationCode, $severity, $message, $messageCode, $bytesTransferred, $bytesMax)
    {
        switch ($notificationCode) {
            case STREAM_NOTIFY_FAILURE:
                if (400 === $messageCode) {
                    // This might happen if your host is secured by ssl client certificate authentication
                    // but you do not send an appropriate certificate
                    throw new TransportException("The '" . $this->fileUrl . "' URL could not be accessed: " . $message, $messageCode);
                }
                break;

case STREAM_NOTIFY_FILE_SIZE_IS:
                $this->bytesMax = $bytesMax;
                break;

case STREAM_NOTIFY_PROGRESS:
                if ($this->bytesMax > 0 && $this->progress) {
                    $progression = min(100, round($bytesTransferred / $this->bytesMax * 100));

if ((0 === $progression % 5) && 100 !== $progression && $progression !== $this->lastProgress) {
                        $this->lastProgress = $progression;
                        $this->io->overwriteError("Downloading (<comment>$progression%</comment>)", false);
                    }
                }
                break;

default:
                break;
        }
    }

protected function promptAuthAndRetry($httpStatus, $reason = null, $warning = null, $headers = array())
    {
        if ($this->config && in_array($this->originUrl, $this->config->get('github-domains'), true)) {
            $gitHubUtil = new GitHub($this->io, $this->config, null);
            $message = "\n";

$rateLimited = $gitHubUtil->isRateLimited($headers);
            if ($rateLimited) {
                $rateLimit = $gitHubUtil->getRateLimit($headers);
                if ($this->io->hasAuthentication($this->originUrl)) {
                    $message = 'Review your configured GitHub OAuth token or enter a new one to go over the API rate limit.';
                } else {
                    $message = 'Create a GitHub OAuth token to go over the API rate limit.';
                }

$message = sprintf(
                    'GitHub API limit (%d calls/hr) is exhausted, could not fetch '.$this->fileUrl.'. '.$message.' You can also wait until %s for the rate limit to reset.',
                    $rateLimit['limit'],
                    $rateLimit['reset']
                )."\n";
            } else {
                $message .= 'Could not fetch '.$this->fileUrl.', please ';
                if ($this->io->hasAuthentication($this->originUrl)) {
                    $message .= 'review your configured GitHub OAuth token or enter a new one to access private repos';
                } else {
                    $message .= 'create a GitHub OAuth token to access private repos';
                }
            }

if (!$gitHubUtil->authorizeOAuth($this->originUrl)
                && (!$this->io->isInteractive() || !$gitHubUtil->authorizeOAuthInteractively($this->originUrl, $message))
            ) {
                throw new TransportException('Could not authenticate against '.$this->originUrl, 401);
            }
        } elseif ($this->config && in_array($this->originUrl, $this->config->get('gitlab-domains'), true)) {
            $message = "\n".'Could not fetch '.$this->fileUrl.', enter your ' . $this->originUrl . ' credentials ' .($httpStatus === 401 ? 'to access private repos' : 'to go over the API rate limit');
            $gitLabUtil = new GitLab($this->io, $this->config, null);

if ($this->io->hasAuthentication($this->originUrl) && ($auth = $this->io->getAuthentication($this->originUrl)) && $auth['password'] === 'private-token') {
                throw new TransportException("Invalid credentials for '" . $this->fileUrl . "', aborting.", $httpStatus);
            }

if (!$gitLabUtil->authorizeOAuth($this->originUrl)
                && (!$this->io->isInteractive() || !$gitLabUtil->authorizeOAuthInteractively($this->scheme, $this->originUrl, $message))
            ) {
                throw new TransportException('Could not authenticate against '.$this->originUrl, 401);
            }
        } elseif ($this->config && $this->originUrl === 'bitbucket.org') {
            $askForOAuthToken = true;
            if ($this->io->hasAuthentication($this->originUrl)) {
                $auth = $this->io->getAuthentication($this->originUrl);
                if ($auth['username'] !== 'x-token-auth') {
                    $bitbucketUtil = new Bitbucket($this->io, $this->config);
                    $accessToken = $bitbucketUtil->requestToken($this->originUrl, $auth['username'], $auth['password']);
                    if (!empty($accessToken)) {
                        $this->io->setAuthentication($this->originUrl, 'x-token-auth', $accessToken);
                        $askForOAuthToken = false;
                    }
                } else {
                    throw new TransportException('Could not authenticate against ' . $this->originUrl, 401);
                }
            }

if ($askForOAuthToken) {
                $message = "\n".'Could not fetch ' . $this->fileUrl . ', please create a bitbucket OAuth token to ' . (($httpStatus === 401 || $httpStatus === 403) ? 'access private repos' : 'go over the API rate limit');
                $bitBucketUtil = new Bitbucket($this->io, $this->config);
                if (! $bitBucketUtil->authorizeOAuth($this->originUrl)
                    && (! $this->io->isInteractive() || !$bitBucketUtil->authorizeOAuthInteractively($this->originUrl, $message))
                ) {
                    throw new TransportException('Could not authenticate against ' . $this->originUrl, 401);
                }
            }
        } else {
            // 404s are only handled for github
            if ($httpStatus === 404) {
                return;
            }

// fail if the console is not interactive
            if (!$this->io->isInteractive()) {
                if ($httpStatus === 401) {
                    $message = "The '" . $this->fileUrl . "' URL required authentication.\nYou must be using the interactive console to authenticate";
                }
                if ($httpStatus === 403) {
                    $message = "The '" . $this->fileUrl . "' URL could not be accessed: " . $reason;
                }

throw new TransportException($message, $httpStatus);
            }
            // fail if we already have auth
            if ($this->io->hasAuthentication($this->originUrl)) {
                throw new TransportException("Invalid credentials for '" . $this->fileUrl . "', aborting.", $httpStatus);
            }

$this->io->overwriteError('');
            if ($warning) {
                $this->io->writeError('    <warning>'.$warning.'</warning>');
            }
            $this->io->writeError('    Authentication required (<info>'.parse_url($this->fileUrl, PHP_URL_HOST).'</info>):');
            $username = $this->io->ask('      Username: ');
            $password = $this->io->askAndHideAnswer('      Password: ');
            $this->io->setAuthentication($this->originUrl, $username, $password);
            $this->storeAuth = $this->config->get('store-auths');
        }

$this->retry = true;
        throw new TransportException('RETRY');
    }

protected function getOptionsForUrl($originUrl, $additionalOptions)
    {
        $tlsOptions = array();

// Setup remaining TLS options - the matching may need monitoring, esp. www vs none in CN
        if ($this->disableTls === false && PHP_VERSION_ID < 50600 && !stream_is_local($this->fileUrl)) {
            $host = parse_url($this->fileUrl, PHP_URL_HOST);

if (PHP_VERSION_ID < 50304) {
                // PHP < 5.3.4 does not support follow_location, for those people
                // do some really nasty hard coded transformations. These will
                // still breakdown if the site redirects to a domain we don't
                // expect.

if ($host === 'github.com' || $host === 'api.github.com') {
                    $host = '*.github.com';
                }
            }

$tlsOptions['ssl']['CN_match'] = $host;
            $tlsOptions['ssl']['SNI_server_name'] = $host;

$urlAuthority = $this->getUrlAuthority($this->fileUrl);

if (isset($this->peerCertificateMap[$urlAuthority])) {
                // Handle subjectAltName on lesser PHP's.
                $certMap = $this->peerCertificateMap[$urlAuthority];

$this->io->writeError('', true, IOInterface::DEBUG);
                $this->io->writeError(sprintf(
                    'Using <info>%s</info> as CN for subjectAltName enabled host <info>%s</info>',
                    $certMap['cn'],
                    $urlAuthority
                ), true, IOInterface::DEBUG);

$tlsOptions['ssl']['CN_match'] = $certMap['cn'];
                $tlsOptions['ssl']['peer_fingerprint'] = $certMap['fp'];
            } elseif (!CaBundle::isOpensslParseSafe() && $host === 'repo.packagist.org') {
                // handle subjectAltName for packagist.org's repo domain on very old PHPs
                $tlsOptions['ssl']['CN_match'] = 'packagist.org';
            }
        }

$headers = array();

if (extension_loaded('zlib')) {
            $headers[] = 'Accept-Encoding: gzip';
        }

$options = array_replace_recursive($this->options, $tlsOptions, $additionalOptions);
        if (!$this->degradedMode) {
            // degraded mode disables HTTP/1.1 which causes issues with some bad
            // proxies/software due to the use of chunked encoding
            $options['http']['protocol_version'] = 1.1;
            $headers[] = 'Connection: close';
        }

if ($this->io->hasAuthentication($originUrl)) {
            $auth = $this->io->getAuthentication($originUrl);
            if ('github.com' === $originUrl && 'x-oauth-basic' === $auth['password']) {
                $options['github-token'] = $auth['username'];
            } elseif ($this->config && in_array($originUrl, $this->config->get('gitlab-domains'), true)) {
                if ($auth['password'] === 'oauth2') {
                    $headers[] = 'Authorization: Bearer '.$auth['username'];
                } elseif ($auth['password'] === 'private-token') {
                    $headers[] = 'PRIVATE-TOKEN: '.$auth['username'];
                }
            } elseif ('bitbucket.org' === $originUrl
                && $this->fileUrl !== Bitbucket::OAUTH2_ACCESS_TOKEN_URL && 'x-token-auth' === $auth['username']
            ) {
                if (!$this->isPublicBitBucketDownload($this->fileUrl)) {
                    $headers[] = 'Authorization: Bearer ' . $auth['password'];
                }
            } else {
                $authStr = base64_encode($auth['username'] . ':' . $auth['password']);
                $headers[] = 'Authorization: Basic '.$authStr;
            }
        }

$options['http']['follow_location'] = 0;

if (isset($options['http']['header']) && !is_array($options['http']['header'])) {
            $options['http']['header'] = explode("\r\n", trim($options['http']['header'], "\r\n"));
        }
        foreach ($headers as $header) {
            $options['http']['header'][] = $header;
        }

return $options;
    }

private function handleRedirect(array $http_response_header, array $additionalOptions, $result)
    {
        if ($locationHeader = $this->findHeaderValue($http_response_header, 'location')) {
            if (parse_url($locationHeader, PHP_URL_SCHEME)) {
                // Absolute URL; e.g. https://example.com/composer
                $targetUrl = $locationHeader;
            } elseif (parse_url($locationHeader, PHP_URL_HOST)) {
                // Scheme relative; e.g. //example.com/foo
                $targetUrl = $this->scheme.':'.$locationHeader;
            } elseif ('/' === $locationHeader[0]) {
                // Absolute path; e.g. /foo
                $urlHost = parse_url($this->fileUrl, PHP_URL_HOST);

// Replace path using hostname as an anchor.
                $targetUrl = preg_replace('{^(.+(?://|@)'.preg_quote($urlHost).'(?::\d+)?)(?:[/\?].*)?$}', '\1'.$locationHeader, $this->fileUrl);
            } else {
                // Relative path; e.g. foo
                // This actually differs from PHP which seems to add duplicate slashes.
                $targetUrl = preg_replace('{^(.+/)[^/?]*(?:\?.*)?$}', '\1'.$locationHeader, $this->fileUrl);
            }
        }

if (!empty($targetUrl)) {
            $this->redirects++;

$this->io->writeError('', true, IOInterface::DEBUG);
            $this->io->writeError(sprintf('Following redirect (%u) %s', $this->redirects, $targetUrl), true, IOInterface::DEBUG);

$additionalOptions['redirects'] = $this->redirects;

return $this->get(parse_url($targetUrl, PHP_URL_HOST), $targetUrl, $additionalOptions, $this->fileName, $this->progress);
        }

if (!$this->retry) {
            $e = new TransportException('The "'.$this->fileUrl.'" file could not be downloaded, got redirect without Location ('.$http_response_header[0].')');
            $e->setHeaders($http_response_header);
            $e->setResponse($result);

throw $e;
        }

return false;
    }

/**
     * @param array $options
     *
     * @return array
     */
    private function getTlsDefaults(array $options)
    {
        $ciphers = implode(':', array(
            'ECDHE-RSA-AES128-GCM-SHA256',
            'ECDHE-ECDSA-AES128-GCM-SHA256',
            'ECDHE-RSA-AES256-GCM-SHA384',
            'ECDHE-ECDSA-AES256-GCM-SHA384',
            'DHE-RSA-AES128-GCM-SHA256',
            'DHE-DSS-AES128-GCM-SHA256',
            'kEDH+AESGCM',
            'ECDHE-RSA-AES128-SHA256',
            'ECDHE-ECDSA-AES128-SHA256',
            'ECDHE-RSA-AES128-SHA',
            'ECDHE-ECDSA-AES128-SHA',
            'ECDHE-RSA-AES256-SHA384',
            'ECDHE-ECDSA-AES256-SHA384',
            'ECDHE-RSA-AES256-SHA',
            'ECDHE-ECDSA-AES256-SHA',
            'DHE-RSA-AES128-SHA256',
            'DHE-RSA-AES128-SHA',
            'DHE-DSS-AES128-SHA256',
            'DHE-RSA-AES256-SHA256',
            'DHE-DSS-AES256-SHA',
            'DHE-RSA-AES256-SHA',
            'AES128-GCM-SHA256',
            'AES256-GCM-SHA384',
            'AES128-SHA256',
            'AES256-SHA256',
            'AES128-SHA',
            'AES256-SHA',
            'AES',
            'CAMELLIA',
            'DES-CBC3-SHA',
            '!aNULL',
            '!eNULL',
            '!EXPORT',
            '!DES',
            '!RC4',
            '!MD5',
            '!PSK',
            '!aECDH',
            '!EDH-DSS-DES-CBC3-SHA',
            '!EDH-RSA-DES-CBC3-SHA',
            '!KRB5-DES-CBC3-SHA',
        ));

/**
         * CN_match and SNI_server_name are only known once a URL is passed.
         * They will be set in the getOptionsForUrl() method which receives a URL.
         *
         * cafile or capath can be overridden by passing in those options to constructor.
         */
        $defaults = array(
            'ssl' => array(
                'ciphers' => $ciphers,
                'verify_peer' => true,
                'verify_depth' => 7,
                'SNI_enabled' => true,
                'capture_peer_cert' => true,
            ),
        );

if (isset($options['ssl'])) {
            $defaults['ssl'] = array_replace_recursive($defaults['ssl'], $options['ssl']);
        }

$caBundleLogger = $this->io instanceof LoggerInterface ? $this->io : null;

/**
         * Attempt to find a local cafile or throw an exception if none pre-set
         * The user may go download one if this occurs.
         */
        if (!isset($defaults['ssl']['cafile']) && !isset($defaults['ssl']['capath'])) {
            $result = CaBundle::getSystemCaRootBundlePath($caBundleLogger);

if (is_dir($result)) {
                $defaults['ssl']['capath'] = $result;
            } else {
                $defaults['ssl']['cafile'] = $result;
            }
        }

if (isset($defaults['ssl']['cafile']) && (!is_readable($defaults['ssl']['cafile']) || !CaBundle::validateCaFile($defaults['ssl']['cafile'], $caBundleLogger))) {
            throw new TransportException('The configured cafile was not valid or could not be read.');
        }

if (isset($defaults['ssl']['capath']) && (!is_dir($defaults['ssl']['capath']) || !is_readable($defaults['ssl']['capath']))) {
            throw new TransportException('The configured capath was not valid or could not be read.');
        }

/**
         * Disable TLS compression to prevent CRIME attacks where supported.
         */
        if (PHP_VERSION_ID >= 50413) {
            $defaults['ssl']['disable_compression'] = true;
        }

return $defaults;
    }

/**
     * Fetch certificate common name and fingerprint for validation of SAN.
     *
     * @todo Remove when PHP 5.6 is minimum supported version.
     */
    private function getCertificateCnAndFp($url, $options)
    {
        if (PHP_VERSION_ID >= 50600) {
            throw new \BadMethodCallException(sprintf(
                '%s must not be used on PHP >= 5.6',
                __METHOD__
            ));
        }

$context = StreamContextFactory::getContext($url, $options, array('options' => array(
            'ssl' => array(
                'capture_peer_cert' => true,
                'verify_peer' => false, // Yes this is fucking insane! But PHP is lame.
            ), ),
        ));

// Ideally this would just use stream_socket_client() to avoid sending a
        // HTTP request but that does not capture the certificate.
        if (false === $handle = @fopen($url, 'rb', false, $context)) {
            return;
        }

// Close non authenticated connection without reading any content.
        fclose($handle);
        $handle = null;

$params = stream_context_get_params($context);

if (!empty($params['options']['ssl']['peer_certificate'])) {
            $peerCertificate = $params['options']['ssl']['peer_certificate'];

if (TlsHelper::checkCertificateHost($peerCertificate, parse_url($url, PHP_URL_HOST), $commonName)) {
                return array(
                    'cn' => $commonName,
                    'fp' => TlsHelper::getCertificateFingerprint($peerCertificate),
                );
            }
        }
    }

private function getUrlAuthority($url)
    {
        $defaultPorts = array(
            'ftp' => 21,
            'http' => 80,
            'https' => 443,
            'ssh2.sftp' => 22,
            'ssh2.scp' => 22,
        );

$scheme = parse_url($url, PHP_URL_SCHEME);

if (!isset($defaultPorts[$scheme])) {
            throw new \InvalidArgumentException(sprintf(
                'Could not get default port for unknown scheme: %s',
                $scheme
            ));
        }

$defaultPort = $defaultPorts[$scheme];
        $port = parse_url($url, PHP_URL_PORT) ?: $defaultPort;

return parse_url($url, PHP_URL_HOST).':'.$port;
    }

/**
     * @link https://github.com/composer/composer/issues/5584
     *
     * @param string $urlToBitBucketFile URL to a file at bitbucket.org.
     *
     * @return bool Whether the given URL is a public BitBucket download which requires no authentication.
     */
    private function isPublicBitBucketDownload($urlToBitBucketFile)
    {
        $domain = parse_url($urlToBitBucketFile, PHP_URL_HOST);
        if (strpos($domain, 'bitbucket.org') === false) {
            // Bitbucket downloads are hosted on amazonaws.
            // We do not need to authenticate there at all
            return true;
        }

$path = parse_url($urlToBitBucketFile, PHP_URL_PATH);

// Path for a public download follows this pattern /{user}/{repo}/downloads/{whatever}
        // {@link https://blog.bitbucket.org/2009/04/12/new-feature-downloads/}
        $pathParts = explode('/', $path);

return count($pathParts) >= 4 && $pathParts[3] == 'downloads';
    }
}
<?php

namespace Composer\Util;

use Composer\Config;
use Composer\IO\IOInterface;

/**
 * @author Jonas Renaudot <jonas.renaudot@gmail.com>
 */
class Hg
{
    /**
     * @var \Composer\IO\IOInterface
     */
    private $io;

/**
     * @var \Composer\Config
     */
    private $config;

/**
     * @var \Composer\Util\ProcessExecutor
     */
    private $process;

public function __construct(IOInterface $io, Config $config, ProcessExecutor $process)
    {
        $this->io = $io;
        $this->config = $config;
        $this->process = $process;
    }

public function runCommand($commandCallable, $url, $cwd)
    {
        $this->config->prohibitUrlByConfig($url, $this->io);

// Try as is
        $command = call_user_func($commandCallable, $url);

if (0 === $this->process->execute($command, $ignoredOutput, $cwd)) {
            return;
        }

// Try with the authentication informations available
        if (preg_match('{^(https?)://((.+)(?:\:(.+))?@)?([^/]+)(/.*)?}mi', $url, $match) && $this->io->hasAuthentication($match[5])) {
            $auth = $this->io->getAuthentication($match[5]);
            $authenticatedUrl = $match[1] . '://' . rawurlencode($auth['username']) . ':' . rawurlencode($auth['password']) . '@' . $match[5] . (!empty($match[6]) ? $match[6] : null);

$command = call_user_func($commandCallable, $authenticatedUrl);

if (0 === $this->process->execute($command, $ignoredOutput, $cwd)) {
                return;
            }

$error = $this->process->getErrorOutput();
        } else {
            $error = 'The given URL (' . $url . ') does not match the required format (http(s)://(username:password@)example.com/path-to-repository)';
        }

$this->throwException('Failed to clone ' . $url . ', ' . "\n\n" . $error, $url);
    }

return '://' . $m[1] . ':***@';
        }, $message);
    }

private function throwException($message, $url)
    {
        if (0 !== $this->process->execute('hg --version', $ignoredOutput)) {
            throw new \RuntimeException(self::sanitizeUrl('Failed to clone ' . $url . ', hg was not found, check that it is installed and in your PATH env.' . "\n\n" . $this->process->getErrorOutput()));
        }

throw new \RuntimeException(self::sanitizeUrl($message));
    }
}
<?php

namespace Composer\Util;

use Composer\CaBundle\CaBundle;

/**
 * @author Chris Smith <chris@cs278.org>
 */
final class TlsHelper
{
    private static $useOpensslParse;

/**
     * Match hostname against a certificate.
     *
     * @param mixed  $certificate X.509 certificate
     * @param string $hostname    Hostname in the URL
     * @param string $cn          Set to the common name of the certificate iff match found
     *
     * @return bool
     */
    public static function checkCertificateHost($certificate, $hostname, &$cn = null)
    {
        $names = self::getCertificateNames($certificate);

if (empty($names)) {
            return false;
        }

$combinedNames = array_merge($names['san'], array($names['cn']));
        $hostname = strtolower($hostname);

foreach ($combinedNames as $certName) {
            $matcher = self::certNameMatcher($certName);

if ($matcher && $matcher($hostname)) {
                $cn = $names['cn'];

return true;
            }
        }

return false;
    }

/**
     * Extract DNS names out of an X.509 certificate.
     *
     * @param mixed $certificate X.509 certificate
     *
     * @return array|null
     */
    public static function getCertificateNames($certificate)
    {
        if (is_array($certificate)) {
            $info = $certificate;
        } elseif (CaBundle::isOpensslParseSafe()) {
            $info = openssl_x509_parse($certificate, false);
        }

if (!isset($info['subject']['commonName'])) {
            return null;
        }

$commonName = strtolower($info['subject']['commonName']);
        $subjectAltNames = array();

if (isset($info['extensions']['subjectAltName'])) {
            $subjectAltNames = preg_split('{\s*,\s*}', $info['extensions']['subjectAltName']);
            $subjectAltNames = array_filter(array_map(function ($name) {
                if (0 === strpos($name, 'DNS:')) {
                    return strtolower(ltrim(substr($name, 4)));
                }

return null;
            }, $subjectAltNames));
            $subjectAltNames = array_values($subjectAltNames);
        }

return array(
            'cn' => $commonName,
            'san' => $subjectAltNames,
        );
    }

/**
     * Get the certificate pin.
     *
     * By Kevin McArthur of StormTide Digital Studios Inc.
     * @KevinSMcArthur / https://github.com/StormTide
     *
     * See http://tools.ietf.org/html/draft-ietf-websec-key-pinning-02
     *
     * This method was adapted from Sslurp.
     * https://github.com/EvanDotPro/Sslurp
     *
     * (c) Evan Coury <me@evancoury.com>
     *
     * For the full copyright and license information, please see below:
     *
     * Copyright (c) 2013, Evan Coury
     * All rights reserved.
     *
     * Redistribution and use in source and binary forms, with or without modification,
     * are permitted provided that the following conditions are met:
     *
     *     * Redistributions of source code must retain the above copyright notice,
     *       this list of conditions and the following disclaimer.
     *
     *     * Redistributions in binary form must reproduce the above copyright notice,
     *       this list of conditions and the following disclaimer in the documentation
     *       and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
     * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
     * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     */
    public static function getCertificateFingerprint($certificate)
    {
        $pubkeydetails = openssl_pkey_get_details(openssl_get_publickey($certificate));
        $pubkeypem = $pubkeydetails['key'];
        //Convert PEM to DER before SHA1'ing
        $start = '-----BEGIN PUBLIC KEY-----';
        $end = '-----END PUBLIC KEY-----';
        $pemtrim = substr($pubkeypem, strpos($pubkeypem, $start) + strlen($start), (strlen($pubkeypem) - strpos($pubkeypem, $end)) * (-1));
        $der = base64_decode($pemtrim);

return sha1($der);
    }

/**
     * Test if it is safe to use the PHP function openssl_x509_parse().
     *
     * This checks if OpenSSL extensions is vulnerable to remote code execution
     * via the exploit documented as CVE-2013-6420.
     *
     * @return bool
     */
    public static function isOpensslParseSafe()
    {
        return CaBundle::isOpensslParseSafe();
    }

/**
     * Convert certificate name into matching function.
     *
     * @param string $certName CN/SAN
     *
     * @return callable|void
     */
    private static function certNameMatcher($certName)
    {
        $wildcards = substr_count($certName, '*');

if (0 === $wildcards) {
            // Literal match.
            return function ($hostname) use ($certName) {
                return $hostname === $certName;
            };
        }

if (1 === $wildcards) {
            $components = explode('.', $certName);

if (3 > count($components)) {
                // Must have 3+ components
                return;
            }

$firstComponent = $components[0];

// Wildcard must be the last character.
            if ('*' !== $firstComponent[strlen($firstComponent) - 1]) {
                return;
            }

$wildcardRegex = preg_quote($certName);
            $wildcardRegex = str_replace('\\*', '[a-z0-9-]+', $wildcardRegex);
            $wildcardRegex = "{^{$wildcardRegex}$}";

return function ($hostname) use ($wildcardRegex) {
                return 1 === preg_match($wildcardRegex, $hostname);
            };
        }
    }
}
<?php

namespace Composer\Util;

/**
 * Tests URLs against no_proxy patterns.
 */
class NoProxyPattern
{
    /**
     * @var string[]
     */
    protected $rules = array();

/**
     * @param string $pattern no_proxy pattern
     */
    public function __construct($pattern)
    {
        $this->rules = preg_split("/[\s,]+/", $pattern);
    }

/**
     * Test a URL against the stored pattern.
     *
     * @param string $url
     *
     * @return bool true if the URL matches one of the rules.
     */
    public function test($url)
    {
        $host = parse_url($url, PHP_URL_HOST);
        $port = parse_url($url, PHP_URL_PORT);

if (empty($port)) {
            switch (parse_url($url, PHP_URL_SCHEME)) {
                case 'http':
                    $port = 80;
                    break;
                case 'https':
                    $port = 443;
                    break;
            }
        }

foreach ($this->rules as $rule) {
            if ($rule == '*') {
                return true;
            }

$match = false;

list($ruleHost) = explode(':', $rule);
            list($base) = explode('/', $ruleHost);

if (filter_var($base, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
                // ip or cidr match

if (!isset($ip)) {
                    $ip = gethostbyname($host);
                }

if (strpos($ruleHost, '/') === false) {
                    $match = $ip === $ruleHost;
                } else {
                    // gethostbyname() failed to resolve $host to an ip, so we assume
                    // it must be proxied to let the proxy's DNS resolve it
                    if ($ip === $host) {
                        $match = false;
                    } else {
                        // match resolved IP against the rule
                        $match = self::inCIDRBlock($ruleHost, $ip);
                    }
                }
            } else {
                // match end of domain

$haystack = '.' . trim($host, '.') . '.';
                $needle = '.'. trim($ruleHost, '.') .'.';
                $match = stripos(strrev($haystack), strrev($needle)) === 0;
            }

// final port check
            if ($match && strpos($rule, ':') !== false) {
                list(, $rulePort) = explode(':', $rule);
                if (!empty($rulePort) && $port != $rulePort) {
                    $match = false;
                }
            }

if ($match) {
                return true;
            }
        }

return false;
    }

/**
     * Check an IP address against a CIDR
     *
     * http://framework.zend.com/svn/framework/extras/incubator/library/ZendX/Whois/Adapter/Cidr.php
     *
     * @param string $cidr IPv4 block in CIDR notation
     * @param string $ip   IPv4 address
     *
     * @return bool
     */
    private static function inCIDRBlock($cidr, $ip)
    {
        // Get the base and the bits from the CIDR
        list($base, $bits) = explode('/', $cidr);

// Now split it up into it's classes
        list($a, $b, $c, $d) = explode('.', $base);

// Now do some bit shifting/switching to convert to ints
        $i = ($a << 24) + ($b << 16) + ($c << 8) + $d;
        $mask = $bits == 0 ? 0 : (~0 << (32 - $bits));

// Here's our lowest int
        $low = $i & $mask;

// Here's our highest int
        $high = $i | (~$mask & 0xFFFFFFFF);

// Now split the ip we're checking against up into classes
        list($a, $b, $c, $d) = explode('.', $ip);

// Now convert the ip we're checking against to an int
        $check = ($a << 24) + ($b << 16) + ($c << 8) + $d;

// If the ip is within the range, including highest/lowest values,
        // then it's within the CIDR range
        return $check >= $low && $check <= $high;
    }
}
<?php

namespace Composer\DependencyResolver;

use Composer\Package\PackageInterface;

/**
 * @author Nils Adermann <naderman@naderman.de>
 */
interface PolicyInterface
{
    public function versionCompare(PackageInterface $a, PackageInterface $b, $operator);

public function findUpdatePackages(Pool $pool, array $installedMap, PackageInterface $package);

public function selectPreferredPackages(Pool $pool, array $installedMap, array $literals, $requiredPackage = null);
}
<?php

namespace Composer\DependencyResolver;

use Composer\Package\AliasPackage;

/**
 * @author Nils Adermann <naderman@naderman.de>
 */
class Transaction
{
    protected $policy;
    protected $pool;
    protected $installedMap;
    protected $decisions;
    protected $transaction;

public function __construct($policy, $pool, $installedMap, $decisions)
    {
        $this->policy = $policy;
        $this->pool = $pool;
        $this->installedMap = $installedMap;
        $this->decisions = $decisions;
        $this->transaction = array();
    }

public function getOperations()
    {
        $installMeansUpdateMap = $this->findUpdates();

$updateMap = array();
        $installMap = array();
        $uninstallMap = array();

foreach ($this->decisions as $i => $decision) {
            $literal = $decision[Decisions::DECISION_LITERAL];
            $reason = $decision[Decisions::DECISION_REASON];

$package = $this->pool->literalToPackage($literal);

// wanted & installed || !wanted & !installed
            if (($literal > 0) == isset($this->installedMap[$package->id])) {
                continue;
            }

if ($literal > 0) {
                if (isset($installMeansUpdateMap[abs($literal)]) && !$package instanceof AliasPackage) {
                    $source = $installMeansUpdateMap[abs($literal)];

$updateMap[$package->id] = array(
                        'package' => $package,
                        'source' => $source,
                        'reason' => $reason,
                    );

// avoid updates to one package from multiple origins
                    unset($installMeansUpdateMap[abs($literal)]);
                    $ignoreRemove[$source->id] = true;
                } else {
                    $installMap[$package->id] = array(
                        'package' => $package,
                        'reason' => $reason,
                    );
                }
            }
        }

foreach ($this->decisions as $i => $decision) {
            $literal = $decision[Decisions::DECISION_LITERAL];
            $reason = $decision[Decisions::DECISION_REASON];
            $package = $this->pool->literalToPackage($literal);

if ($literal <= 0 &&
                isset($this->installedMap[$package->id]) &&
                !isset($ignoreRemove[$package->id])) {
                $uninstallMap[$package->id] = array(
                    'package' => $package,
                    'reason' => $reason,
                );
            }
        }

$this->transactionFromMaps($installMap, $updateMap, $uninstallMap);

return $this->transaction;
    }

protected function transactionFromMaps($installMap, $updateMap, $uninstallMap)
    {
        $queue = array_map(
            function ($operation) {
                return $operation['package'];
            },
            $this->findRootPackages($installMap, $updateMap)
        );

$visited = array();

while (!empty($queue)) {
            $package = array_pop($queue);
            $packageId = $package->id;

if (!isset($visited[$packageId])) {
                $queue[] = $package;

if ($package instanceof AliasPackage) {
                    $queue[] = $package->getAliasOf();
                } else {
                    foreach ($package->getRequires() as $link) {
                        $possibleRequires = $this->pool->whatProvides($link->getTarget(), $link->getConstraint());

foreach ($possibleRequires as $require) {
                            $queue[] = $require;
                        }
                    }
                }

$visited[$package->id] = true;
            } else {
                if (isset($installMap[$packageId])) {
                    $this->install(
                        $installMap[$packageId]['package'],
                        $installMap[$packageId]['reason']
                    );
                    unset($installMap[$packageId]);
                }
                if (isset($updateMap[$packageId])) {
                    $this->update(
                        $updateMap[$packageId]['source'],
                        $updateMap[$packageId]['package'],
                        $updateMap[$packageId]['reason']
                    );
                    unset($updateMap[$packageId]);
                }
            }
        }

foreach ($uninstallMap as $uninstall) {
            $this->uninstall($uninstall['package'], $uninstall['reason']);
        }
    }

protected function findRootPackages($installMap, $updateMap)
    {
        $packages = $installMap + $updateMap;
        $roots = $packages;

foreach ($packages as $packageId => $operation) {
            $package = $operation['package'];

if (!isset($roots[$packageId])) {
                continue;
            }

foreach ($package->getRequires() as $link) {
                $possibleRequires = $this->pool->whatProvides($link->getTarget(), $link->getConstraint());

foreach ($possibleRequires as $require) {
                    if ($require !== $package) {
                        unset($roots[$require->id]);
                    }
                }
            }
        }

return $roots;
    }

protected function findUpdates()
    {
        $installMeansUpdateMap = array();

foreach ($this->decisions as $i => $decision) {
            $literal = $decision[Decisions::DECISION_LITERAL];
            $package = $this->pool->literalToPackage($literal);

if ($package instanceof AliasPackage) {
                continue;
            }

// !wanted & installed
            if ($literal <= 0 && isset($this->installedMap[$package->id])) {
                $updates = $this->policy->findUpdatePackages($this->pool, $this->installedMap, $package);

$literals = array($package->id);

foreach ($updates as $update) {
                    $literals[] = $update->id;
                }

foreach ($literals as $updateLiteral) {
                    if ($updateLiteral !== $literal) {
                        $installMeansUpdateMap[abs($updateLiteral)] = $package;
                    }
                }
            }
        }

return $installMeansUpdateMap;
    }

protected function install($package, $reason)
    {
        if ($package instanceof AliasPackage) {
            return $this->markAliasInstalled($package, $reason);
        }

$this->transaction[] = new Operation\InstallOperation($package, $reason);
    }

protected function update($from, $to, $reason)
    {
        $this->transaction[] = new Operation\UpdateOperation($from, $to, $reason);
    }

protected function uninstall($package, $reason)
    {
        if ($package instanceof AliasPackage) {
            return $this->markAliasUninstalled($package, $reason);
        }

$this->transaction[] = new Operation\UninstallOperation($package, $reason);
    }

protected function markAliasInstalled($package, $reason)
    {
        $this->transaction[] = new Operation\MarkAliasInstalledOperation($package, $reason);
    }

protected function markAliasUninstalled($package, $reason)
    {
        $this->transaction[] = new Operation\MarkAliasUninstalledOperation($package, $reason);
    }
}
<?php

namespace Composer\DependencyResolver;

use Composer\Package\PackageInterface;
use Composer\Package\AliasPackage;
use Composer\Repository\PlatformRepository;

/**
 * @author Nils Adermann <naderman@naderman.de>
 */
class RuleSetGenerator
{
    protected $policy;
    protected $pool;
    protected $rules;
    protected $jobs;
    protected $installedMap;
    protected $whitelistedMap;
    protected $addedMap;
    protected $conflictAddedMap;
    protected $addedPackages;
    protected $addedPackagesByNames;

public function __construct(PolicyInterface $policy, Pool $pool)
    {
        $this->policy = $policy;
        $this->pool = $pool;
    }

/**
     * Creates a new rule for the requirements of a package
     *
     * This rule is of the form (-A|B|C), where B and C are the providers of
     * one requirement of the package A.
     *
     * @param  PackageInterface $package    The package with a requirement
     * @param  array            $providers  The providers of the requirement
     * @param  int              $reason     A RULE_* constant describing the
     *                                      reason for generating this rule
     * @param  mixed            $reasonData Any data, e.g. the requirement name,
     *                                      that goes with the reason
     * @return Rule|null             The generated rule or null if tautological
     */
    protected function createRequireRule(PackageInterface $package, array $providers, $reason, $reasonData = null)
    {
        $literals = array(-$package->id);

foreach ($providers as $provider) {
            // self fulfilling rule?
            if ($provider === $package) {
                return null;
            }
            $literals[] = $provider->id;
        }

return new GenericRule($literals, $reason, $reasonData);
    }

/**
     * Creates a rule to install at least one of a set of packages
     *
     * The rule is (A|B|C) with A, B and C different packages. If the given
     * set of packages is empty an impossible rule is generated.
     *
     * @param  array $packages The set of packages to choose from
     * @param  int   $reason   A RULE_* constant describing the reason for
     *                         generating this rule
     * @param  array $job      The job this rule was created from
     * @return Rule  The generated rule
     */
    protected function createInstallOneOfRule(array $packages, $reason, $job)
    {
        $literals = array();
        foreach ($packages as $package) {
            $literals[] = $package->id;
        }

return new GenericRule($literals, $reason, $job['packageName'], $job);
    }

/**
     * Creates a rule to remove a package
     *
     * The rule for a package A is (-A).
     *
     * @param  PackageInterface $package The package to be removed
     * @param  int              $reason  A RULE_* constant describing the
     *                                   reason for generating this rule
     * @param  array            $job     The job this rule was created from
     * @return Rule             The generated rule
     */
    protected function createRemoveRule(PackageInterface $package, $reason, $job)
    {
        return new GenericRule(array(-$package->id), $reason, $job['packageName'], $job);
    }

/**
     * Creates a rule for two conflicting packages
     *
     * The rule for conflicting packages A and B is (-A|-B). A is called the issuer
     * and B the provider.
     *
     * @param  PackageInterface $issuer     The package declaring the conflict
     * @param  PackageInterface $provider   The package causing the conflict
     * @param  int              $reason     A RULE_* constant describing the
     *                                      reason for generating this rule
     * @param  mixed            $reasonData Any data, e.g. the package name, that
     *                                      goes with the reason
     * @return Rule|null             The generated rule
     */
    protected function createRule2Literals(PackageInterface $issuer, PackageInterface $provider, $reason, $reasonData = null)
    {
        // ignore self conflict
        if ($issuer === $provider) {
            return null;
        }

return new Rule2Literals(-$issuer->id, -$provider->id, $reason, $reasonData);
    }

/**
     * Adds a rule unless it duplicates an existing one of any type
     *
     * To be able to directly pass in the result of one of the rule creation
     * methods null is allowed which will not insert a rule.
     *
     * @param int  $type    A TYPE_* constant defining the rule type
     * @param Rule $newRule The rule about to be added
     */
    private function addRule($type, Rule $newRule = null)
    {
        if (!$newRule) {
            return;
        }

$this->rules->add($newRule, $type);
    }

protected function whitelistFromPackage(PackageInterface $package)
    {
        $workQueue = new \SplQueue;
        $workQueue->enqueue($package);

while (!$workQueue->isEmpty()) {
            $package = $workQueue->dequeue();
            if (isset($this->whitelistedMap[$package->id])) {
                continue;
            }

$this->whitelistedMap[$package->id] = true;

foreach ($package->getRequires() as $link) {
                $possibleRequires = $this->pool->whatProvides($link->getTarget(), $link->getConstraint(), true);

foreach ($possibleRequires as $require) {
                    $workQueue->enqueue($require);
                }
            }

$obsoleteProviders = $this->pool->whatProvides($package->getName(), null, true);

foreach ($obsoleteProviders as $provider) {
                if ($provider === $package) {
                    continue;
                }

if (($package instanceof AliasPackage) && $package->getAliasOf() === $provider) {
                    $workQueue->enqueue($provider);
                }
            }
        }
    }

protected function addRulesForPackage(PackageInterface $package, $ignorePlatformReqs)
    {
        $workQueue = new \SplQueue;
        $workQueue->enqueue($package);

while (!$workQueue->isEmpty()) {
            /** @var PackageInterface $package */
            $package = $workQueue->dequeue();
            if (isset($this->addedMap[$package->id])) {
                continue;
            }

$this->addedMap[$package->id] = true;

$this->addedPackages[] = $package;
            foreach ($package->getNames() as $name) {
                $this->addedPackagesByNames[$name][] = $package;
            }

foreach ($package->getRequires() as $link) {
                if ($ignorePlatformReqs && preg_match(PlatformRepository::PLATFORM_PACKAGE_REGEX, $link->getTarget())) {
                    continue;
                }

$possibleRequires = $this->pool->whatProvides($link->getTarget(), $link->getConstraint());

$this->addRule(RuleSet::TYPE_PACKAGE, $this->createRequireRule($package, $possibleRequires, Rule::RULE_PACKAGE_REQUIRES, $link));

foreach ($possibleRequires as $require) {
                    $workQueue->enqueue($require);
                }
            }

$packageName = $package->getName();
            $obsoleteProviders = $this->pool->whatProvides($packageName, null);

foreach ($obsoleteProviders as $provider) {
                if ($provider === $package) {
                    continue;
                }

if (($package instanceof AliasPackage) && $package->getAliasOf() === $provider) {
                    $this->addRule(RuleSet::TYPE_PACKAGE, $this->createRequireRule($package, array($provider), Rule::RULE_PACKAGE_ALIAS, $package));
                } elseif (!$this->obsoleteImpossibleForAlias($package, $provider)) {
                    $reason = ($packageName == $provider->getName()) ? Rule::RULE_PACKAGE_SAME_NAME : Rule::RULE_PACKAGE_IMPLICIT_OBSOLETES;
                    $this->addRule(RuleSet::TYPE_PACKAGE, $this->createRule2Literals($package, $provider, $reason, $package));
                }
            }
        }
    }

protected function addConflictRules()
    {
        /** @var PackageInterface $package */
        foreach ($this->addedPackages as $package) {
            foreach ($package->getConflicts() as $link) {
                if (!isset($this->addedPackagesByNames[$link->getTarget()])) {
                    continue;
                }

/** @var PackageInterface $possibleConflict */
                foreach ($this->addedPackagesByNames[$link->getTarget()] as $possibleConflict) {
                    $conflictMatch = $this->pool->match($possibleConflict, $link->getTarget(), $link->getConstraint(), true);

if ($conflictMatch === Pool::MATCH || $conflictMatch === Pool::MATCH_REPLACE) {
                        $this->addRule(RuleSet::TYPE_PACKAGE, $this->createRule2Literals($package, $possibleConflict, Rule::RULE_PACKAGE_CONFLICT, $link));
                    }

}
            }

// check obsoletes and implicit obsoletes of a package
            $isInstalled = isset($this->installedMap[$package->id]);

foreach ($package->getReplaces() as $link) {
                if (!isset($this->addedPackagesByNames[$link->getTarget()])) {
                    continue;
                }

/** @var PackageInterface $possibleConflict */
                foreach ($this->addedPackagesByNames[$link->getTarget()] as $provider) {
                    if ($provider === $package) {
                        continue;
                    }

if (!$this->obsoleteImpossibleForAlias($package, $provider)) {
                        $reason = $isInstalled ? Rule::RULE_INSTALLED_PACKAGE_OBSOLETES : Rule::RULE_PACKAGE_OBSOLETES;
                        $this->addRule(RuleSet::TYPE_PACKAGE, $this->createRule2Literals($package, $provider, $reason, $link));
                    }
                }
            }
        }
    }

protected function obsoleteImpossibleForAlias($package, $provider)
    {
        $packageIsAlias = $package instanceof AliasPackage;
        $providerIsAlias = $provider instanceof AliasPackage;

$impossible = (
            ($packageIsAlias && $package->getAliasOf() === $provider) ||
            ($providerIsAlias && $provider->getAliasOf() === $package) ||
            ($packageIsAlias && $providerIsAlias && $provider->getAliasOf() === $package->getAliasOf())
        );

return $impossible;
    }

protected function whitelistFromJobs()
    {
        foreach ($this->jobs as $job) {
            switch ($job['cmd']) {
                case 'install':
                    $packages = $this->pool->whatProvides($job['packageName'], $job['constraint'], true);
                    foreach ($packages as $package) {
                        $this->whitelistFromPackage($package);
                    }
                    break;
            }
        }
    }

protected function addRulesForJobs($ignorePlatformReqs)
    {
        foreach ($this->jobs as $job) {
            switch ($job['cmd']) {
                case 'install':
                    if (!$job['fixed'] && $ignorePlatformReqs && preg_match(PlatformRepository::PLATFORM_PACKAGE_REGEX, $job['packageName'])) {
                        break;
                    }

$packages = $this->pool->whatProvides($job['packageName'], $job['constraint']);
                    if ($packages) {
                        foreach ($packages as $package) {
                            if (!isset($this->installedMap[$package->id])) {
                                $this->addRulesForPackage($package, $ignorePlatformReqs);
                            }
                        }

$rule = $this->createInstallOneOfRule($packages, Rule::RULE_JOB_INSTALL, $job);
                        $this->addRule(RuleSet::TYPE_JOB, $rule);
                    }
                    break;
                case 'remove':
                    // remove all packages with this name including uninstalled
                    // ones to make sure none of them are picked as replacements
                    $packages = $this->pool->whatProvides($job['packageName'], $job['constraint']);
                    foreach ($packages as $package) {
                        $rule = $this->createRemoveRule($package, Rule::RULE_JOB_REMOVE, $job);
                        $this->addRule(RuleSet::TYPE_JOB, $rule);
                    }
                    break;
            }
        }
    }

public function getRulesFor($jobs, $installedMap, $ignorePlatformReqs = false)
    {
        $this->jobs = $jobs;
        $this->rules = new RuleSet;
        $this->installedMap = $installedMap;

$this->whitelistedMap = array();
        foreach ($this->installedMap as $package) {
            $this->whitelistFromPackage($package);
        }
        $this->whitelistFromJobs();

$this->pool->setWhitelist($this->whitelistedMap);

$this->addedMap = array();
        $this->conflictAddedMap = array();
        $this->addedPackages = array();
        $this->addedPackagesByNames = array();
        foreach ($this->installedMap as $package) {
            $this->addRulesForPackage($package, $ignorePlatformReqs);
        }

$this->addRulesForJobs($ignorePlatformReqs);

$this->addConflictRules();

// Remove references to packages
        $this->addedPackages = $this->addedPackagesByNames = null;

return $this->rules;
    }
}
<?php

namespace Composer\DependencyResolver;

/**
 * The RuleWatchGraph efficiently propagates decisions to other rules
 *
 * All rules generated for solving a SAT problem should be inserted into the
 * graph. When a decision on a literal is made, the graph can be used to
 * propagate the decision to all other rules involving the literal, leading to
 * other trivial decisions resulting from unit clauses.
 *
 * @author Nils Adermann <naderman@naderman.de>
 */
class RuleWatchGraph
{
    protected $watchChains = array();

/**
     * Inserts a rule node into the appropriate chains within the graph
     *
     * The node is prepended to the watch chains for each of the two literals it
     * watches.
     *
     * Assertions are skipped because they only depend on a single package and
     * have no alternative literal that could be true, so there is no need to
     * watch changes in any literals.
     *
     * @param RuleWatchNode $node The rule node to be inserted into the graph
     */
    public function insert(RuleWatchNode $node)
    {
        if ($node->getRule()->isAssertion()) {
            return;
        }

foreach (array($node->watch1, $node->watch2) as $literal) {
            if (!isset($this->watchChains[$literal])) {
                $this->watchChains[$literal] = new RuleWatchChain;
            }

$this->watchChains[$literal]->unshift($node);
        }
    }

/**
     * Propagates a decision on a literal to all rules watching the literal
     *
     * If a decision, e.g. +A has been made, then all rules containing -A, e.g.
     * (-A|+B|+C) now need to satisfy at least one of the other literals, so
     * that the rule as a whole becomes true, since with +A applied the rule
     * is now (false|+B|+C) so essentially (+B|+C).
     *
     * This means that all rules watching the literal -A need to be updated to
     * watch 2 other literals which can still be satisfied instead. So literals
     * that conflict with previously made decisions are not an option.
     *
     * Alternatively it can occur that a unit clause results: e.g. if in the
     * above example the rule was (-A|+B), then A turning true means that
     * B must now be decided true as well.
     *
     * @param  int       $decidedLiteral The literal which was decided (A in our example)
     * @param  int       $level          The level at which the decision took place and at which
     *                                   all resulting decisions should be made.
     * @param  Decisions $decisions      Used to check previous decisions and to
     *                                   register decisions resulting from propagation
     * @return Rule|null If a conflict is found the conflicting rule is returned
     */
    public function propagateLiteral($decidedLiteral, $level, $decisions)
    {
        // we invert the decided literal here, example:
        // A was decided => (-A|B) now requires B to be true, so we look for
        // rules which are fulfilled by -A, rather than A.
        $literal = -$decidedLiteral;

if (!isset($this->watchChains[$literal])) {
            return null;
        }

$chain = $this->watchChains[$literal];

$chain->rewind();
        while ($chain->valid()) {
            $node = $chain->current();
            $otherWatch = $node->getOtherWatch($literal);

if (!$node->getRule()->isDisabled() && !$decisions->satisfy($otherWatch)) {
                $ruleLiterals = $node->getRule()->getLiterals();

$alternativeLiterals = array_filter($ruleLiterals, function ($ruleLiteral) use ($literal, $otherWatch, $decisions) {
                    return $literal !== $ruleLiteral &&
                        $otherWatch !== $ruleLiteral &&
                        !$decisions->conflict($ruleLiteral);
                });

if ($alternativeLiterals) {
                    reset($alternativeLiterals);
                    $this->moveWatch($literal, current($alternativeLiterals), $node);
                    continue;
                }

if ($decisions->conflict($otherWatch)) {
                    return $node->getRule();
                }

$decisions->decide($otherWatch, $level, $node->getRule());
            }

$chain->next();
        }

return null;
    }

/**
     * Moves a rule node from one watch chain to another
     *
     * The rule node's watched literals are updated accordingly.
     *
     * @param int           $fromLiteral A literal the node used to watch
     * @param int           $toLiteral A literal the node should watch now
     * @param RuleWatchNode $node The rule node to be moved
     */
    protected function moveWatch($fromLiteral, $toLiteral, $node)
    {
        if (!isset($this->watchChains[$toLiteral])) {
            $this->watchChains[$toLiteral] = new RuleWatchChain;
        }

$node->moveWatch($fromLiteral, $toLiteral);
        $this->watchChains[$fromLiteral]->remove();
        $this->watchChains[$toLiteral]->unshift($node);
    }
}
<?php

namespace Composer\DependencyResolver;

use Composer\Package\CompletePackage;
use Composer\Package\Link;
use Composer\Package\PackageInterface;

/**
 * @author Nils Adermann <naderman@naderman.de>
 * @author Ruben Gonzalez <rubenrua@gmail.com>
 */
abstract class Rule
{
    // reason constants
    const RULE_INTERNAL_ALLOW_UPDATE = 1;
    const RULE_JOB_INSTALL = 2;
    const RULE_JOB_REMOVE = 3;
    const RULE_PACKAGE_CONFLICT = 6;
    const RULE_PACKAGE_REQUIRES = 7;
    const RULE_PACKAGE_OBSOLETES = 8;
    const RULE_INSTALLED_PACKAGE_OBSOLETES = 9;
    const RULE_PACKAGE_SAME_NAME = 10;
    const RULE_PACKAGE_IMPLICIT_OBSOLETES = 11;
    const RULE_LEARNED = 12;
    const RULE_PACKAGE_ALIAS = 13;

// bitfield defs
    const BITFIELD_TYPE = 0;
    const BITFIELD_REASON = 8;
    const BITFIELD_DISABLED = 16;

protected $bitfield;
    protected $job;
    protected $reasonData;

/**
     * @param int                   $reason     A RULE_* constant describing the reason for generating this rule
     * @param Link|PackageInterface $reasonData
     * @param array                 $job        The job this rule was created from
     */
    public function __construct($reason, $reasonData, $job = null)
    {
        $this->reasonData = $reasonData;

if ($job) {
            $this->job = $job;
        }

$this->bitfield = (0 << self::BITFIELD_DISABLED) |
            ($reason << self::BITFIELD_REASON) |
            (255 << self::BITFIELD_TYPE);
    }

abstract public function getLiterals();

abstract public function getHash();

public function getJob()
    {
        return $this->job;
    }

abstract public function equals(Rule $rule);

public function getReason()
    {
        return ($this->bitfield & (255 << self::BITFIELD_REASON)) >> self::BITFIELD_REASON;
    }

public function getReasonData()
    {
        return $this->reasonData;
    }

public function getRequiredPackage()
    {
        if ($this->getReason() === self::RULE_JOB_INSTALL) {
            return $this->reasonData;
        }

if ($this->getReason() === self::RULE_PACKAGE_REQUIRES) {
            return $this->reasonData->getTarget();
        }
    }

public function setType($type)
    {
        $this->bitfield = ($this->bitfield & ~(255 << self::BITFIELD_TYPE)) | ((255 & $type) << self::BITFIELD_TYPE);
    }

public function getType()
    {
        return ($this->bitfield & (255 << self::BITFIELD_TYPE)) >> self::BITFIELD_TYPE;
    }

public function disable()
    {
        $this->bitfield = ($this->bitfield & ~(255 << self::BITFIELD_DISABLED)) | (1 << self::BITFIELD_DISABLED);
    }

public function enable()
    {
        $this->bitfield &= ~(255 << self::BITFIELD_DISABLED);
    }

public function isDisabled()
    {
        return (bool) (($this->bitfield & (255 << self::BITFIELD_DISABLED)) >> self::BITFIELD_DISABLED);
    }

public function isEnabled()
    {
        return !(($this->bitfield & (255 << self::BITFIELD_DISABLED)) >> self::BITFIELD_DISABLED);
    }

abstract public function isAssertion();

public function getPrettyString(Pool $pool, array $installedMap = array())
    {
        $literals = $this->getLiterals();

$ruleText = '';
        foreach ($literals as $i => $literal) {
            if ($i != 0) {
                $ruleText .= '|';
            }
            $ruleText .= $pool->literalToPrettyString($literal, $installedMap);
        }

switch ($this->getReason()) {
            case self::RULE_INTERNAL_ALLOW_UPDATE:
                return $ruleText;

case self::RULE_JOB_INSTALL:
                return "Install command rule ($ruleText)";

case self::RULE_JOB_REMOVE:
                return "Remove command rule ($ruleText)";

case self::RULE_PACKAGE_CONFLICT:
                $package1 = $pool->literalToPackage($literals[0]);
                $package2 = $pool->literalToPackage($literals[1]);

return $package1->getPrettyString().' conflicts with '.$this->formatPackagesUnique($pool, array($package2)).'.';

case self::RULE_PACKAGE_REQUIRES:
                $sourceLiteral = array_shift($literals);
                $sourcePackage = $pool->literalToPackage($sourceLiteral);

$requires = array();
                foreach ($literals as $literal) {
                    $requires[] = $pool->literalToPackage($literal);
                }

$text = $this->reasonData->getPrettyString($sourcePackage);
                if ($requires) {
                    $text .= ' -> satisfiable by ' . $this->formatPackagesUnique($pool, $requires) . '.';
                } else {
                    $targetName = $this->reasonData->getTarget();

if ($targetName === 'php' || $targetName === 'php-64bit' || $targetName === 'hhvm') {
                        // handle php/hhvm
                        if (defined('HHVM_VERSION')) {
                            return $text . ' -> your HHVM version does not satisfy that requirement.';
                        }

if ($targetName === 'hhvm') {
                            return $text . ' -> you are running this with PHP and not HHVM.';
                        }

$packages = $pool->whatProvides($targetName);
                        $package = count($packages) ? current($packages) : phpversion();

if (!($package instanceof CompletePackage)) {
                            return $text . ' -> your PHP version ('.phpversion().') does not satisfy that requirement.';
                        }

$extra = $package->getExtra();

if (!empty($extra['config.platform'])) {
                            $text .= ' -> your PHP version ('.phpversion().') overridden by "config.platform.php" version ('.$package->getPrettyVersion().') does not satisfy that requirement.';
                        } else {
                            $text .= ' -> your PHP version ('.$package->getPrettyVersion().') does not satisfy that requirement.';
                        }

return $text;
                    }

if (0 === strpos($targetName, 'ext-')) {
                        // handle php extensions
                        $ext = substr($targetName, 4);
                        $error = extension_loaded($ext) ? 'has the wrong version ('.(phpversion($ext) ?: '0').') installed' : 'is missing from your system';

return $text . ' -> the requested PHP extension '.$ext.' '.$error.'.';
                    }

if (0 === strpos($targetName, 'lib-')) {
                        // handle linked libs
                        $lib = substr($targetName, 4);

return $text . ' -> the requested linked library '.$lib.' has the wrong version installed or is missing from your system, make sure to have the extension providing it.';
                    }

if ($providers = $pool->whatProvides($targetName, $this->reasonData->getConstraint(), true, true)) {
                        return $text . ' -> satisfiable by ' . $this->formatPackagesUnique($pool, $providers) .' but these conflict with your requirements or minimum-stability.';
                    }

return $text . ' -> no matching package found.';
                }

return $text;

case self::RULE_PACKAGE_OBSOLETES:
                return $ruleText;
            case self::RULE_INSTALLED_PACKAGE_OBSOLETES:
                return $ruleText;
            case self::RULE_PACKAGE_SAME_NAME:
                return 'Can only install one of: ' . $this->formatPackagesUnique($pool, $literals) . '.';
            case self::RULE_PACKAGE_IMPLICIT_OBSOLETES:
                return $ruleText;
            case self::RULE_LEARNED:
                return 'Conclusion: '.$ruleText;
            case self::RULE_PACKAGE_ALIAS:
                return $ruleText;
            default:
                return '('.$ruleText.')';
        }
    }

/**
     * @param Pool  $pool
     * @param array $packages
     *
     * @return string
     */
    protected function formatPackagesUnique($pool, array $packages)
    {
        $prepared = array();
        foreach ($packages as $package) {
            if (!is_object($package)) {
                $package = $pool->literalToPackage($package);
            }
            $prepared[$package->getName()]['name'] = $package->getPrettyName();
            $prepared[$package->getName()]['versions'][$package->getVersion()] = $package->getPrettyVersion();
        }
        foreach ($prepared as $name => $package) {
            $prepared[$name] = $package['name'].'['.implode(', ', $package['versions']).']';
        }

return implode(', ', $prepared);
    }
}
<?php

namespace Composer\DependencyResolver;

use Composer\Package\BasePackage;
use Composer\Package\AliasPackage;
use Composer\Package\Version\VersionParser;
use Composer\Semver\Constraint\ConstraintInterface;
use Composer\Semver\Constraint\Constraint;
use Composer\Semver\Constraint\EmptyConstraint;
use Composer\Repository\RepositoryInterface;
use Composer\Repository\CompositeRepository;
use Composer\Repository\ComposerRepository;
use Composer\Repository\InstalledRepositoryInterface;
use Composer\Repository\PlatformRepository;
use Composer\Package\PackageInterface;

/**
 * A package pool contains repositories that provide packages.
 *
 * @author Nils Adermann <naderman@naderman.de>
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class Pool implements \Countable
{
    const MATCH_NAME = -1;
    const MATCH_NONE = 0;
    const MATCH = 1;
    const MATCH_PROVIDE = 2;
    const MATCH_REPLACE = 3;
    const MATCH_FILTERED = 4;

protected $repositories = array();
    protected $providerRepos = array();
    protected $packages = array();
    protected $packageByName = array();
    protected $packageByExactName = array();
    protected $acceptableStabilities;
    protected $stabilityFlags;
    protected $versionParser;
    protected $providerCache = array();
    protected $filterRequires;
    protected $whitelist = null;
    protected $id = 1;

public function __construct($minimumStability = 'stable', array $stabilityFlags = array(), array $filterRequires = array())
    {
        $this->versionParser = new VersionParser;
        $this->acceptableStabilities = array();
        foreach (BasePackage::$stabilities as $stability => $value) {
            if ($value <= BasePackage::$stabilities[$minimumStability]) {
                $this->acceptableStabilities[$stability] = $value;
            }
        }
        $this->stabilityFlags = $stabilityFlags;
        $this->filterRequires = $filterRequires;
        foreach ($filterRequires as $name => $constraint) {
            if (preg_match(PlatformRepository::PLATFORM_PACKAGE_REGEX, $name)) {
                unset($this->filterRequires[$name]);
            }
        }
    }

public function setWhitelist($whitelist)
    {
        $this->whitelist = $whitelist;
        $this->providerCache = array();
    }

/**
     * Adds a repository and its packages to this package pool
     *
     * @param RepositoryInterface $repo        A package repository
     * @param array               $rootAliases
     */
    public function addRepository(RepositoryInterface $repo, $rootAliases = array())
    {
        if ($repo instanceof CompositeRepository) {
            $repos = $repo->getRepositories();
        } else {
            $repos = array($repo);
        }

foreach ($repos as $repo) {
            $this->repositories[] = $repo;

$exempt = $repo instanceof PlatformRepository || $repo instanceof InstalledRepositoryInterface;

if ($repo instanceof ComposerRepository && $repo->hasProviders()) {
                $this->providerRepos[] = $repo;
                $repo->setRootAliases($rootAliases);
                $repo->resetPackageIds();
            } else {
                foreach ($repo->getPackages() as $package) {
                    $names = $package->getNames();
                    $stability = $package->getStability();
                    if ($exempt || $this->isPackageAcceptable($names, $stability)) {
                        $package->setId($this->id++);
                        $this->packages[] = $package;
                        $this->packageByExactName[$package->getName()][$package->id] = $package;

foreach ($names as $provided) {
                            $this->packageByName[$provided][] = $package;
                        }

// handle root package aliases
                        $name = $package->getName();
                        if (isset($rootAliases[$name][$package->getVersion()])) {
                            $alias = $rootAliases[$name][$package->getVersion()];
                            if ($package instanceof AliasPackage) {
                                $package = $package->getAliasOf();
                            }
                            $aliasPackage = new AliasPackage($package, $alias['alias_normalized'], $alias['alias']);
                            $aliasPackage->setRootPackageAlias(true);
                            $aliasPackage->setId($this->id++);

$package->getRepository()->addPackage($aliasPackage);
                            $this->packages[] = $aliasPackage;
                            $this->packageByExactName[$aliasPackage->getName()][$aliasPackage->id] = $aliasPackage;

foreach ($aliasPackage->getNames() as $name) {
                                $this->packageByName[$name][] = $aliasPackage;
                            }
                        }
                    }
                }
            }
        }
    }

public function getPriority(RepositoryInterface $repo)
    {
        $priority = array_search($repo, $this->repositories, true);

if (false === $priority) {
            throw new \RuntimeException("Could not determine repository priority. The repository was not registered in the pool.");
        }

return -$priority;
    }

/**
     * Retrieves the package object for a given package id.
     *
     * @param  int              $id
     * @return PackageInterface
     */
    public function packageById($id)
    {
        return $this->packages[$id - 1];
    }

/**
     * Returns how many packages have been loaded into the pool
     */
    public function count()
    {
        return count($this->packages);
    }

/**
     * Searches all packages providing the given package name and match the constraint
     *
     * @param  string              $name          The package name to be searched for
     * @param  ConstraintInterface $constraint    A constraint that all returned
     *                                            packages must match or null to return all
     * @param  bool                $mustMatchName Whether the name of returned packages
     *                                            must match the given name
     * @param  bool                $bypassFilters If enabled, filterRequires and stability matching is ignored
     * @return PackageInterface[]  A set of packages
     */
    public function whatProvides($name, ConstraintInterface $constraint = null, $mustMatchName = false, $bypassFilters = false)
    {
        if ($bypassFilters) {
            return $this->computeWhatProvides($name, $constraint, $mustMatchName, true);
        }

$key = ((int) $mustMatchName).$constraint;
        if (isset($this->providerCache[$name][$key])) {
            return $this->providerCache[$name][$key];
        }

return $this->providerCache[$name][$key] = $this->computeWhatProvides($name, $constraint, $mustMatchName, $bypassFilters);
    }

/**
     * @see whatProvides
     */
    private function computeWhatProvides($name, $constraint, $mustMatchName = false, $bypassFilters = false)
    {
        $candidates = array();

foreach ($this->providerRepos as $repo) {
            foreach ($repo->whatProvides($this, $name, $bypassFilters) as $candidate) {
                $candidates[] = $candidate;
                if ($candidate->id < 1) {
                    $candidate->setId($this->id++);
                    $this->packages[$this->id - 2] = $candidate;
                }
            }
        }

if ($mustMatchName) {
            $candidates = array_filter($candidates, function ($candidate) use ($name) {
                return $candidate->getName() == $name;
            });
            if (isset($this->packageByExactName[$name])) {
                $candidates = array_merge($candidates, $this->packageByExactName[$name]);
            }
        } elseif (isset($this->packageByName[$name])) {
            $candidates = array_merge($candidates, $this->packageByName[$name]);
        }

$matches = $provideMatches = array();
        $nameMatch = false;

foreach ($candidates as $candidate) {
            $aliasOfCandidate = null;

// alias packages are not white listed, make sure that the package
            // being aliased is white listed
            if ($candidate instanceof AliasPackage) {
                $aliasOfCandidate = $candidate->getAliasOf();
            }

if ($this->whitelist !== null && !$bypassFilters && (
                (!($candidate instanceof AliasPackage) && !isset($this->whitelist[$candidate->id])) ||
                ($candidate instanceof AliasPackage && !isset($this->whitelist[$aliasOfCandidate->id]))
            )) {
                continue;
            }
            switch ($this->match($candidate, $name, $constraint, $bypassFilters)) {
                case self::MATCH_NONE:
                    break;

case self::MATCH_NAME:
                    $nameMatch = true;
                    break;

case self::MATCH:
                    $nameMatch = true;
                    $matches[] = $candidate;
                    break;

case self::MATCH_PROVIDE:
                    $provideMatches[] = $candidate;
                    break;

case self::MATCH_REPLACE:
                    $matches[] = $candidate;
                    break;

case self::MATCH_FILTERED:
                    break;

default:
                    throw new \UnexpectedValueException('Unexpected match type');
            }
        }

// if a package with the required name exists, we ignore providers
        if ($nameMatch) {
            return $matches;
        }

return array_merge($matches, $provideMatches);
    }

public function literalToPackage($literal)
    {
        $packageId = abs($literal);

return $this->packageById($packageId);
    }

public function literalToPrettyString($literal, $installedMap)
    {
        $package = $this->literalToPackage($literal);

if (isset($installedMap[$package->id])) {
            $prefix = ($literal > 0 ? 'keep' : 'remove');
        } else {
            $prefix = ($literal > 0 ? 'install' : 'don\'t install');
        }

return $prefix.' '.$package->getPrettyString();
    }

public function isPackageAcceptable($name, $stability)
    {
        foreach ((array) $name as $n) {
            // allow if package matches the global stability requirement and has no exception
            if (!isset($this->stabilityFlags[$n]) && isset($this->acceptableStabilities[$stability])) {
                return true;
            }

// allow if package matches the package-specific stability flag
            if (isset($this->stabilityFlags[$n]) && BasePackage::$stabilities[$stability] <= $this->stabilityFlags[$n]) {
                return true;
            }
        }

return false;
    }

/**
     * Checks if the package matches the given constraint directly or through
     * provided or replaced packages
     *
     * @param  PackageInterface       $candidate
     * @param  string                 $name       Name of the package to be matched
     * @param  ConstraintInterface    $constraint The constraint to verify
     * @return int                    One of the MATCH* constants of this class or 0 if there is no match
     */
    public function match($candidate, $name, ConstraintInterface $constraint = null, $bypassFilters)
    {
        $candidateName = $candidate->getName();
        $candidateVersion = $candidate->getVersion();
        $isDev = $candidate->getStability() === 'dev';
        $isAlias = $candidate instanceof AliasPackage;

if (!$bypassFilters && !$isDev && !$isAlias && isset($this->filterRequires[$name])) {
            $requireFilter = $this->filterRequires[$name];
        } else {
            $requireFilter = new EmptyConstraint;
        }

if ($candidateName === $name) {
            $pkgConstraint = new Constraint('==', $candidateVersion);

if ($constraint === null || $constraint->matches($pkgConstraint)) {
                return $requireFilter->matches($pkgConstraint) ? self::MATCH : self::MATCH_FILTERED;
            }

return self::MATCH_NAME;
        }

$provides = $candidate->getProvides();
        $replaces = $candidate->getReplaces();

// aliases create multiple replaces/provides for one target so they can not use the shortcut below
        if (isset($replaces[0]) || isset($provides[0])) {
            foreach ($provides as $link) {
                if ($link->getTarget() === $name && ($constraint === null || $constraint->matches($link->getConstraint()))) {
                    return $requireFilter->matches($link->getConstraint()) ? self::MATCH_PROVIDE : self::MATCH_FILTERED;
                }
            }

foreach ($replaces as $link) {
                if ($link->getTarget() === $name && ($constraint === null || $constraint->matches($link->getConstraint()))) {
                    return $requireFilter->matches($link->getConstraint()) ? self::MATCH_REPLACE : self::MATCH_FILTERED;
                }
            }

return self::MATCH_NONE;
        }

if (isset($provides[$name]) && ($constraint === null || $constraint->matches($provides[$name]->getConstraint()))) {
            return $requireFilter->matches($provides[$name]->getConstraint()) ? self::MATCH_PROVIDE : self::MATCH_FILTERED;
        }

if (isset($replaces[$name]) && ($constraint === null || $constraint->matches($replaces[$name]->getConstraint()))) {
            return $requireFilter->matches($replaces[$name]->getConstraint()) ? self::MATCH_REPLACE : self::MATCH_FILTERED;
        }

return self::MATCH_NONE;
    }
}
<?php

namespace Composer\DependencyResolver;

use Composer\Package\PackageInterface;
use Composer\Package\Link;

/**
 * @author Nils Adermann <naderman@naderman.de>
 */
class GenericRule extends Rule
{
    protected $literals;

/**
     * @param array                 $literals
     * @param int                   $reason     A RULE_* constant describing the reason for generating this rule
     * @param Link|PackageInterface $reasonData
     * @param array                 $job        The job this rule was created from
     */
    public function __construct(array $literals, $reason, $reasonData, $job = null)
    {
        parent::__construct($reason, $reasonData, $job);

// sort all packages ascending by id
        sort($literals);

$this->literals = $literals;
    }

public function getLiterals()
    {
        return $this->literals;
    }

public function getHash()
    {
        $data = unpack('ihash', md5(implode(',', $this->literals), true));

return $data['hash'];
    }

/**
     * Checks if this rule is equal to another one
     *
     * Ignores whether either of the rules is disabled.
     *
     * @param  Rule $rule The rule to check against
     * @return bool Whether the rules are equal
     */
    public function equals(Rule $rule)
    {
        return $this->literals === $rule->getLiterals();
    }

public function isAssertion()
    {
        return 1 === count($this->literals);
    }

/**
     * Formats a rule as a string of the format (Literal1|Literal2|...)
     *
     * @return string
     */
    public function __toString()
    {
        $result = $this->isDisabled() ? 'disabled(' : '(';

foreach ($this->literals as $i => $literal) {
            if ($i != 0) {
                $result .= '|';
            }
            $result .= $literal;
        }

$result .= ')';

return $result;
    }
}
<?php

namespace Composer\DependencyResolver;

/**
 * Wrapper around a Rule which keeps track of the two literals it watches
 *
 * Used by RuleWatchGraph to store rules in two RuleWatchChains.
 *
 * @author Nils Adermann <naderman@naderman.de>
 */
class RuleWatchNode
{
    public $watch1;
    public $watch2;

protected $rule;

/**
     * Creates a new node watching the first and second literals of the rule.
     *
     * @param Rule $rule The rule to wrap
     */
    public function __construct($rule)
    {
        $this->rule = $rule;

$literals = $rule->getLiterals();

$literalCount = count($literals);
        $this->watch1 = $literalCount > 0 ? $literals[0] : 0;
        $this->watch2 = $literalCount > 1 ? $literals[1] : 0;
    }

/**
     * Places the second watch on the rule's literal, decided at the highest level
     *
     * Useful for learned rules where the literal for the highest rule is most
     * likely to quickly lead to further decisions.
     *
     * @param Decisions $decisions The decisions made so far by the solver
     */
    public function watch2OnHighest(Decisions $decisions)
    {
        $literals = $this->rule->getLiterals();

// if there are only 2 elements, both are being watched anyway
        if (count($literals) < 3) {
            return;
        }

$watchLevel = 0;

foreach ($literals as $literal) {
            $level = $decisions->decisionLevel($literal);

if ($level > $watchLevel) {
                $this->watch2 = $literal;
                $watchLevel = $level;
            }
        }
    }

/**
     * Returns the rule this node wraps
     *
     * @return Rule
     */
    public function getRule()
    {
        return $this->rule;
    }

/**
     * Given one watched literal, this method returns the other watched literal
     *
     * @param  int $literal The watched literal that should not be returned
     * @return int A literal
     */
    public function getOtherWatch($literal)
    {
        if ($this->watch1 == $literal) {
            return $this->watch2;
        }

return $this->watch1;
    }

/**
     * Moves a watch from one literal to another
     *
     * @param int $from The previously watched literal
     * @param int $to   The literal to be watched now
     */
    public function moveWatch($from, $to)
    {
        if ($this->watch1 == $from) {
            $this->watch1 = $to;
        } else {
            $this->watch2 = $to;
        }
    }
}
<?php

namespace Composer\DependencyResolver;

use Composer\Package\CompletePackageInterface;

/**
 * Represents a problem detected while solving dependencies
 *
 * @author Nils Adermann <naderman@naderman.de>
 */
class Problem
{
    /**
     * A map containing the id of each rule part of this problem as a key
     * @var array
     */
    protected $reasonSeen;

/**
     * A set of reasons for the problem, each is a rule or a job and a rule
     * @var array
     */
    protected $reasons = array();

protected $section = 0;

protected $pool;

public function __construct(Pool $pool)
    {
        $this->pool = $pool;
    }

/**
     * Add a rule as a reason
     *
     * @param Rule $rule A rule which is a reason for this problem
     */
    public function addRule(Rule $rule)
    {
        $this->addReason(spl_object_hash($rule), array(
            'rule' => $rule,
            'job' => $rule->getJob(),
        ));
    }

/**
     * Retrieve all reasons for this problem
     *
     * @return array The problem's reasons
     */
    public function getReasons()
    {
        return $this->reasons;
    }

/**
     * A human readable textual representation of the problem's reasons
     *
     * @param  array  $installedMap A map of all installed packages
     * @return string
     */
    public function getPrettyString(array $installedMap = array())
    {
        $reasons = call_user_func_array('array_merge', array_reverse($this->reasons));

if (count($reasons) === 1) {
            reset($reasons);
            $reason = current($reasons);

$rule = $reason['rule'];
            $job = $reason['job'];

if (isset($job['constraint'])) {
                $packages = $this->pool->whatProvides($job['packageName'], $job['constraint']);
            } else {
                $packages = array();
            }

if ($job && $job['cmd'] === 'install' && empty($packages)) {

// handle php/hhvm
                if ($job['packageName'] === 'php' || $job['packageName'] === 'php-64bit' || $job['packageName'] === 'hhvm') {
                    $version = phpversion();
                    $available = $this->pool->whatProvides($job['packageName']);

if (count($available)) {
                        $firstAvailable = reset($available);
                        $version = $firstAvailable->getPrettyVersion();
                        $extra = $firstAvailable->getExtra();
                        if ($firstAvailable instanceof CompletePackageInterface && isset($extra['config.platform']) && $extra['config.platform'] === true) {
                            $version .= '; ' . $firstAvailable->getDescription();
                        }
                    }

$msg = "\n    - This package requires ".$job['packageName'].$this->constraintToText($job['constraint']).' but ';

if (defined('HHVM_VERSION')) {
                        return $msg . 'your HHVM version does not satisfy that requirement.';
                    }

if ($job['packageName'] === 'hhvm') {
                        return $msg . 'you are running this with PHP and not HHVM.';
                    }

return $msg . 'your PHP version ('. $version .') does not satisfy that requirement.';
                }

// handle php extensions
                if (0 === stripos($job['packageName'], 'ext-')) {
                    if (false !== strpos($job['packageName'], ' ')) {
                        return "\n    - The requested PHP extension ".$job['packageName'].' should be required as '.str_replace(' ', '-', $job['packageName']).'.';
                    }

$ext = substr($job['packageName'], 4);
                    $error = extension_loaded($ext) ? 'has the wrong version ('.(phpversion($ext) ?: '0').') installed' : 'is missing from your system';

return "\n    - The requested PHP extension ".$job['packageName'].$this->constraintToText($job['constraint']).' '.$error.'. Install or enable PHP\'s '.$ext.' extension.';
                }

// handle linked libs
                if (0 === stripos($job['packageName'], 'lib-')) {
                    if (strtolower($job['packageName']) === 'lib-icu') {
                        $error = extension_loaded('intl') ? 'has the wrong version installed, try upgrading the intl extension.' : 'is missing from your system, make sure the intl extension is loaded.';

return "\n    - The requested linked library ".$job['packageName'].$this->constraintToText($job['constraint']).' '.$error;
                    }

return "\n    - The requested linked library ".$job['packageName'].$this->constraintToText($job['constraint']).' has the wrong version installed or is missing from your system, make sure to load the extension providing it.';
                }

if (!preg_match('{^[A-Za-z0-9_./-]+$}', $job['packageName'])) {
                    $illegalChars = preg_replace('{[A-Za-z0-9_./-]+}', '', $job['packageName']);

return "\n    - The requested package ".$job['packageName'].' could not be found, it looks like its name is invalid, "'.$illegalChars.'" is not allowed in package names.';
                }

if ($providers = $this->pool->whatProvides($job['packageName'], $job['constraint'], true, true)) {
                    return "\n    - The requested package ".$job['packageName'].$this->constraintToText($job['constraint']).' is satisfiable by '.$this->getPackageList($providers).' but these conflict with your requirements or minimum-stability.';
                }

if ($providers = $this->pool->whatProvides($job['packageName'], null, true, true)) {
                    return "\n    - The requested package ".$job['packageName'].$this->constraintToText($job['constraint']).' exists as '.$this->getPackageList($providers).' but these are rejected by your constraint.';
                }

return "\n    - The requested package ".$job['packageName'].' could not be found in any version, there may be a typo in the package name.';
            }
        }

$messages = array();

foreach ($reasons as $reason) {
            $rule = $reason['rule'];
            $job = $reason['job'];

if ($job) {
                $messages[] = $this->jobToText($job);
            } elseif ($rule) {
                if ($rule instanceof Rule) {
                    $messages[] = $rule->getPrettyString($this->pool, $installedMap);
                }
            }
        }

return "\n    - ".implode("\n    - ", $messages);
    }

/**
     * Store a reason descriptor but ignore duplicates
     *
     * @param string $id     A canonical identifier for the reason
     * @param string $reason The reason descriptor
     */
    protected function addReason($id, $reason)
    {
        if (!isset($this->reasonSeen[$id])) {
            $this->reasonSeen[$id] = true;
            $this->reasons[$this->section][] = $reason;
        }
    }

public function nextSection()
    {
        $this->section++;
    }

/**
     * Turns a job into a human readable description
     *
     * @param  array  $job
     * @return string
     */
    protected function jobToText($job)
    {
        switch ($job['cmd']) {
            case 'install':
                $packages = $this->pool->whatProvides($job['packageName'], $job['constraint']);
                if (!$packages) {
                    return 'No package found to satisfy install request for '.$job['packageName'].$this->constraintToText($job['constraint']);
                }

return 'Installation request for '.$job['packageName'].$this->constraintToText($job['constraint']).' -> satisfiable by '.$this->getPackageList($packages).'.';
            case 'update':
                return 'Update request for '.$job['packageName'].$this->constraintToText($job['constraint']).'.';
            case 'remove':
                return 'Removal request for '.$job['packageName'].$this->constraintToText($job['constraint']).'';
        }

if (isset($job['constraint'])) {
            $packages = $this->pool->whatProvides($job['packageName'], $job['constraint']);
        } else {
            $packages = array();
        }

return 'Job(cmd='.$job['cmd'].', target='.$job['packageName'].', packages=['.$this->getPackageList($packages).'])';
    }

protected function getPackageList($packages)
    {
        $prepared = array();
        foreach ($packages as $package) {
            $prepared[$package->getName()]['name'] = $package->getPrettyName();
            $prepared[$package->getName()]['versions'][$package->getVersion()] = $package->getPrettyVersion();
        }
        foreach ($prepared as $name => $package) {
            $prepared[$name] = $package['name'].'['.implode(', ', $package['versions']).']';
        }

return implode(', ', $prepared);
    }

/**
     * Turns a constraint into text usable in a sentence describing a job
     *
     * @param  \Composer\Semver\Constraint\ConstraintInterface $constraint
     * @return string
     */
    protected function constraintToText($constraint)
    {
        return $constraint ? ' '.$constraint->getPrettyString() : '';
    }
}
<?php

namespace Composer\DependencyResolver;

/**
 * Stores decisions on installing, removing or keeping packages
 *
 * @author Nils Adermann <naderman@naderman.de>
 */
class Decisions implements \Iterator, \Countable
{
    const DECISION_LITERAL = 0;
    const DECISION_REASON = 1;

protected $pool;
    protected $decisionMap;
    protected $decisionQueue = array();

public function __construct($pool)
    {
        $this->pool = $pool;
        $this->decisionMap = array();
    }

public function decide($literal, $level, $why)
    {
        $this->addDecision($literal, $level);
        $this->decisionQueue[] = array(
            self::DECISION_LITERAL => $literal,
            self::DECISION_REASON => $why,
        );
    }

public function satisfy($literal)
    {
        $packageId = abs($literal);

return (
            $literal > 0 && isset($this->decisionMap[$packageId]) && $this->decisionMap[$packageId] > 0 ||
            $literal < 0 && isset($this->decisionMap[$packageId]) && $this->decisionMap[$packageId] < 0
        );
    }

public function conflict($literal)
    {
        $packageId = abs($literal);

return (
            (isset($this->decisionMap[$packageId]) && $this->decisionMap[$packageId] > 0 && $literal < 0) ||
            (isset($this->decisionMap[$packageId]) && $this->decisionMap[$packageId] < 0 && $literal > 0)
        );
    }

public function decided($literalOrPackageId)
    {
        return !empty($this->decisionMap[abs($literalOrPackageId)]);
    }

public function undecided($literalOrPackageId)
    {
        return empty($this->decisionMap[abs($literalOrPackageId)]);
    }

public function decidedInstall($literalOrPackageId)
    {
        $packageId = abs($literalOrPackageId);

return isset($this->decisionMap[$packageId]) && $this->decisionMap[$packageId] > 0;
    }

public function decisionLevel($literalOrPackageId)
    {
        $packageId = abs($literalOrPackageId);
        if (isset($this->decisionMap[$packageId])) {
            return abs($this->decisionMap[$packageId]);
        }

return 0;
    }

public function decisionRule($literalOrPackageId)
    {
        $packageId = abs($literalOrPackageId);

foreach ($this->decisionQueue as $i => $decision) {
            if ($packageId === abs($decision[self::DECISION_LITERAL])) {
                return $decision[self::DECISION_REASON];
            }
        }

return null;
    }

public function atOffset($queueOffset)
    {
        return $this->decisionQueue[$queueOffset];
    }

public function validOffset($queueOffset)
    {
        return $queueOffset >= 0 && $queueOffset < count($this->decisionQueue);
    }

public function lastReason()
    {
        return $this->decisionQueue[count($this->decisionQueue) - 1][self::DECISION_REASON];
    }

public function lastLiteral()
    {
        return $this->decisionQueue[count($this->decisionQueue) - 1][self::DECISION_LITERAL];
    }

public function reset()
    {
        while ($decision = array_pop($this->decisionQueue)) {
            $this->decisionMap[abs($decision[self::DECISION_LITERAL])] = 0;
        }
    }

public function resetToOffset($offset)
    {
        while (count($this->decisionQueue) > $offset + 1) {
            $decision = array_pop($this->decisionQueue);
            $this->decisionMap[abs($decision[self::DECISION_LITERAL])] = 0;
        }
    }

public function revertLast()
    {
        $this->decisionMap[abs($this->lastLiteral())] = 0;
        array_pop($this->decisionQueue);
    }

public function count()
    {
        return count($this->decisionQueue);
    }

public function rewind()
    {
        end($this->decisionQueue);
    }

public function current()
    {
        return current($this->decisionQueue);
    }

public function key()
    {
        return key($this->decisionQueue);
    }

public function next()
    {
        return prev($this->decisionQueue);
    }

public function valid()
    {
        return false !== current($this->decisionQueue);
    }

public function isEmpty()
    {
        return count($this->decisionQueue) === 0;
    }

protected function addDecision($literal, $level)
    {
        $packageId = abs($literal);

$previousDecision = isset($this->decisionMap[$packageId]) ? $this->decisionMap[$packageId] : null;
        if ($previousDecision != 0) {
            $literalString = $this->pool->literalToString($literal);
            $package = $this->pool->literalToPackage($literal);
            throw new SolverBugException(
                "Trying to decide $literalString on level $level, even though $package was previously decided as ".(int) $previousDecision."."
            );
        }

if ($literal > 0) {
            $this->decisionMap[$packageId] = $level;
        } else {
            $this->decisionMap[$packageId] = -$level;
        }
    }
}
<?php

namespace Composer\DependencyResolver;

use Composer\IO\IOInterface;
use Composer\Repository\RepositoryInterface;
use Composer\Repository\PlatformRepository;

/**
 * @author Nils Adermann <naderman@naderman.de>
 */
class Solver
{
    const BRANCH_LITERALS = 0;
    const BRANCH_LEVEL = 1;

/** @var PolicyInterface */
    protected $policy;
    /** @var Pool */
    protected $pool;
    /** @var RepositoryInterface */
    protected $installed;
    /** @var RuleSet */
    protected $rules;
    /** @var RuleSetGenerator */
    protected $ruleSetGenerator;
    /** @var array */
    protected $jobs;

/** @var int[] */
    protected $updateMap = array();
    /** @var RuleWatchGraph */
    protected $watchGraph;
    /** @var Decisions */
    protected $decisions;
    /** @var int[] */
    protected $installedMap;

/** @var int */
    protected $propagateIndex;
    /** @var array[] */
    protected $branches = array();
    /** @var Problem[] */
    protected $problems = array();
    /** @var array */
    protected $learnedPool = array();
    /** @var array */
    protected $learnedWhy = array();

/** @var IOInterface */
    protected $io;

/**
     * @param PolicyInterface     $policy
     * @param Pool                $pool
     * @param RepositoryInterface $installed
     * @param IOInterface         $io
     */
    public function __construct(PolicyInterface $policy, Pool $pool, RepositoryInterface $installed, IOInterface $io)
    {
        $this->io = $io;
        $this->policy = $policy;
        $this->pool = $pool;
        $this->installed = $installed;
        $this->ruleSetGenerator = new RuleSetGenerator($policy, $pool);
    }

/**
     * @return int
     */
    public function getRuleSetSize()
    {
        return count($this->rules);
    }

// aka solver_makeruledecisions

private function makeAssertionRuleDecisions()
    {
        $decisionStart = count($this->decisions) - 1;

$rulesCount = count($this->rules);
        for ($ruleIndex = 0; $ruleIndex < $rulesCount; $ruleIndex++) {
            $rule = $this->rules->ruleById[$ruleIndex];

if (!$rule->isAssertion() || $rule->isDisabled()) {
                continue;
            }

$literals = $rule->getLiterals();
            $literal = $literals[0];

if (!$this->decisions->decided($literal)) {
                $this->decisions->decide($literal, 1, $rule);
                continue;
            }

if ($this->decisions->satisfy($literal)) {
                continue;
            }

// found a conflict
            if (RuleSet::TYPE_LEARNED === $rule->getType()) {
                $rule->disable();
                continue;
            }

$conflict = $this->decisions->decisionRule($literal);

if ($conflict && RuleSet::TYPE_PACKAGE === $conflict->getType()) {
                $problem = new Problem($this->pool);

$problem->addRule($rule);
                $problem->addRule($conflict);
                $this->disableProblem($rule);
                $this->problems[] = $problem;
                continue;
            }

// conflict with another job
            $problem = new Problem($this->pool);
            $problem->addRule($rule);
            $problem->addRule($conflict);

// push all of our rules (can only be job rules)
            // asserting this literal on the problem stack
            foreach ($this->rules->getIteratorFor(RuleSet::TYPE_JOB) as $assertRule) {
                if ($assertRule->isDisabled() || !$assertRule->isAssertion()) {
                    continue;
                }

$assertRuleLiterals = $assertRule->getLiterals();
                $assertRuleLiteral = $assertRuleLiterals[0];

if (abs($literal) !== abs($assertRuleLiteral)) {
                    continue;
                }

$problem->addRule($assertRule);
                $this->disableProblem($assertRule);
            }
            $this->problems[] = $problem;

$this->decisions->resetToOffset($decisionStart);
            $ruleIndex = -1;
        }
    }

protected function setupInstalledMap()
    {
        $this->installedMap = array();
        foreach ($this->installed->getPackages() as $package) {
            $this->installedMap[$package->id] = $package;
        }
    }

/**
     * @param bool $ignorePlatformReqs
     */
    protected function checkForRootRequireProblems($ignorePlatformReqs)
    {
        foreach ($this->jobs as $job) {
            switch ($job['cmd']) {
                case 'update':
                    $packages = $this->pool->whatProvides($job['packageName'], $job['constraint']);
                    foreach ($packages as $package) {
                        if (isset($this->installedMap[$package->id])) {
                            $this->updateMap[$package->id] = true;
                        }
                    }
                    break;

case 'update-all':
                    foreach ($this->installedMap as $package) {
                        $this->updateMap[$package->id] = true;
                    }
                    break;

case 'install':
                    if ($ignorePlatformReqs && preg_match(PlatformRepository::PLATFORM_PACKAGE_REGEX, $job['packageName'])) {
                        break;
                    }

if (!$this->pool->whatProvides($job['packageName'], $job['constraint'])) {
                        $problem = new Problem($this->pool);
                        $problem->addRule(new GenericRule(array(), null, null, $job));
                        $this->problems[] = $problem;
                    }
                    break;
            }
        }
    }

/**
     * @param  Request $request
     * @param  bool    $ignorePlatformReqs
     * @return array
     */
    public function solve(Request $request, $ignorePlatformReqs = false)
    {
        $this->jobs = $request->getJobs();

$this->setupInstalledMap();
        $this->rules = $this->ruleSetGenerator->getRulesFor($this->jobs, $this->installedMap, $ignorePlatformReqs);
        $this->checkForRootRequireProblems($ignorePlatformReqs);
        $this->decisions = new Decisions($this->pool);
        $this->watchGraph = new RuleWatchGraph;

foreach ($this->rules as $rule) {
            $this->watchGraph->insert(new RuleWatchNode($rule));
        }

/* make decisions based on job/update assertions */
        $this->makeAssertionRuleDecisions();

$this->io->writeError('Resolving dependencies through SAT', true, IOInterface::DEBUG);
        $before = microtime(true);
        $this->runSat(true);
        $this->io->writeError('', true, IOInterface::DEBUG);
        $this->io->writeError(sprintf('Dependency resolution completed in %.3f seconds', microtime(true) - $before), true, IOInterface::VERBOSE);

// decide to remove everything that's installed and undecided
        foreach ($this->installedMap as $packageId => $void) {
            if ($this->decisions->undecided($packageId)) {
                $this->decisions->decide(-$packageId, 1, null);
            }
        }

if ($this->problems) {
            throw new SolverProblemsException($this->problems, $this->installedMap);
        }

$transaction = new Transaction($this->policy, $this->pool, $this->installedMap, $this->decisions);

return $transaction->getOperations();
    }

/**
     * Makes a decision and propagates it to all rules.
     *
     * Evaluates each term affected by the decision (linked through watches)
     * If we find unit rules we make new decisions based on them
     *
     * @param  int       $level
     * @return Rule|null A rule on conflict, otherwise null.
     */
    protected function propagate($level)
    {
        while ($this->decisions->validOffset($this->propagateIndex)) {
            $decision = $this->decisions->atOffset($this->propagateIndex);

$conflict = $this->watchGraph->propagateLiteral(
                $decision[Decisions::DECISION_LITERAL],
                $level,
                $this->decisions
            );

$this->propagateIndex++;

if ($conflict) {
                return $conflict;
            }
        }

return null;
    }

/**
     * Reverts a decision at the given level.
     *
     * @param int $level
     */
    private function revert($level)
    {
        while (!$this->decisions->isEmpty()) {
            $literal = $this->decisions->lastLiteral();

if ($this->decisions->undecided($literal)) {
                break;
            }

$decisionLevel = $this->decisions->decisionLevel($literal);

if ($decisionLevel <= $level) {
                break;
            }

$this->decisions->revertLast();
            $this->propagateIndex = count($this->decisions);
        }

while (!empty($this->branches) && $this->branches[count($this->branches) - 1][self::BRANCH_LEVEL] >= $level) {
            array_pop($this->branches);
        }
    }

/**
     * setpropagatelearn
     *
     * add free decision (a positive literal) to decision queue
     * increase level and propagate decision
     * return if no conflict.
     *
     * in conflict case, analyze conflict rule, add resulting
     * rule to learnt rule set, make decision from learnt
     * rule (always unit) and re-propagate.
     *
     * returns the new solver level or 0 if unsolvable
     *
     * @param  int        $level
     * @param  string|int $literal
     * @param  bool       $disableRules
     * @param  Rule       $rule
     * @return int
     */
    private function setPropagateLearn($level, $literal, $disableRules, Rule $rule)
    {
        $level++;

$this->decisions->decide($literal, $level, $rule);

while (true) {
            $rule = $this->propagate($level);

if (!$rule) {
                break;
            }

if ($level == 1) {
                return $this->analyzeUnsolvable($rule, $disableRules);
            }

// conflict
            list($learnLiteral, $newLevel, $newRule, $why) = $this->analyze($level, $rule);

if ($newLevel <= 0 || $newLevel >= $level) {
                throw new SolverBugException(
                    "Trying to revert to invalid level ".(int) $newLevel." from level ".(int) $level."."
                );
            } elseif (!$newRule) {
                throw new SolverBugException(
                    "No rule was learned from analyzing $rule at level $level."
                );
            }

$level = $newLevel;

$this->revert($level);

$this->rules->add($newRule, RuleSet::TYPE_LEARNED);

$this->learnedWhy[spl_object_hash($newRule)] = $why;

$ruleNode = new RuleWatchNode($newRule);
            $ruleNode->watch2OnHighest($this->decisions);
            $this->watchGraph->insert($ruleNode);

$this->decisions->decide($learnLiteral, $level, $newRule);
        }

return $level;
    }

/**
     * @param  int   $level
     * @param  array $decisionQueue
     * @param  bool  $disableRules
     * @param  Rule  $rule
     * @return int
     */
    private function selectAndInstall($level, array $decisionQueue, $disableRules, Rule $rule)
    {
        // choose best package to install from decisionQueue
        $literals = $this->policy->selectPreferredPackages($this->pool, $this->installedMap, $decisionQueue, $rule->getRequiredPackage());

$selectedLiteral = array_shift($literals);

// if there are multiple candidates, then branch
        if (count($literals)) {
            $this->branches[] = array($literals, $level);
        }

return $this->setPropagateLearn($level, $selectedLiteral, $disableRules, $rule);
    }

/**
     * @param  int   $level
     * @param  Rule  $rule
     * @return array
     */
    protected function analyze($level, Rule $rule)
    {
        $analyzedRule = $rule;
        $ruleLevel = 1;
        $num = 0;
        $l1num = 0;
        $seen = array();
        $learnedLiterals = array(null);

$decisionId = count($this->decisions);

$this->learnedPool[] = array();

while (true) {
            $this->learnedPool[count($this->learnedPool) - 1][] = $rule;

foreach ($rule->getLiterals() as $literal) {
                // skip the one true literal
                if ($this->decisions->satisfy($literal)) {
                    continue;
                }

if (isset($seen[abs($literal)])) {
                    continue;
                }
                $seen[abs($literal)] = true;

$l = $this->decisions->decisionLevel($literal);

if (1 === $l) {
                    $l1num++;
                } elseif ($level === $l) {
                    $num++;
                } else {
                    // not level1 or conflict level, add to new rule
                    $learnedLiterals[] = $literal;

if ($l > $ruleLevel) {
                        $ruleLevel = $l;
                    }
                }
            }

$l1retry = true;
            while ($l1retry) {
                $l1retry = false;

if (!$num && !--$l1num) {
                    // all level 1 literals done
                    break 2;
                }

while (true) {
                    if ($decisionId <= 0) {
                        throw new SolverBugException(
                            "Reached invalid decision id $decisionId while looking through $rule for a literal present in the analyzed rule $analyzedRule."
                        );
                    }

$decisionId--;

$decision = $this->decisions->atOffset($decisionId);
                    $literal = $decision[Decisions::DECISION_LITERAL];

if (isset($seen[abs($literal)])) {
                        break;
                    }
                }

unset($seen[abs($literal)]);

if ($num && 0 === --$num) {
                    $learnedLiterals[0] = -abs($literal);

if (!$l1num) {
                        break 2;
                    }

foreach ($learnedLiterals as $i => $learnedLiteral) {
                        if ($i !== 0) {
                            unset($seen[abs($learnedLiteral)]);
                        }
                    }
                    // only level 1 marks left
                    $l1num++;
                    $l1retry = true;
                }
            }

$decision = $this->decisions->atOffset($decisionId);
            $rule = $decision[Decisions::DECISION_REASON];
        }

$why = count($this->learnedPool) - 1;

if (!$learnedLiterals[0]) {
            throw new SolverBugException(
                "Did not find a learnable literal in analyzed rule $analyzedRule."
            );
        }

$newRule = new GenericRule($learnedLiterals, Rule::RULE_LEARNED, $why);

return array($learnedLiterals[0], $ruleLevel, $newRule, $why);
    }

/**
     * @param Problem $problem
     * @param Rule    $conflictRule
     */
    private function analyzeUnsolvableRule(Problem $problem, Rule $conflictRule)
    {
        if ($conflictRule->getType() == RuleSet::TYPE_LEARNED) {
            $why = spl_object_hash($conflictRule);
            $learnedWhy = $this->learnedWhy[$why];
            $problemRules = $this->learnedPool[$learnedWhy];

foreach ($problemRules as $problemRule) {
                $this->analyzeUnsolvableRule($problem, $problemRule);
            }

return;
        }

if ($conflictRule->getType() == RuleSet::TYPE_PACKAGE) {
            // package rules cannot be part of a problem
            return;
        }

$problem->nextSection();
        $problem->addRule($conflictRule);
    }

/**
     * @param  Rule $conflictRule
     * @param  bool $disableRules
     * @return int
     */
    private function analyzeUnsolvable(Rule $conflictRule, $disableRules)
    {
        $problem = new Problem($this->pool);
        $problem->addRule($conflictRule);

$this->analyzeUnsolvableRule($problem, $conflictRule);

$this->problems[] = $problem;

$seen = array();
        $literals = $conflictRule->getLiterals();

foreach ($literals as $literal) {
            // skip the one true literal
            if ($this->decisions->satisfy($literal)) {
                continue;
            }
            $seen[abs($literal)] = true;
        }

foreach ($this->decisions as $decision) {
            $literal = $decision[Decisions::DECISION_LITERAL];

// skip literals that are not in this rule
            if (!isset($seen[abs($literal)])) {
                continue;
            }

$why = $decision[Decisions::DECISION_REASON];

$problem->addRule($why);
            $this->analyzeUnsolvableRule($problem, $why);

$literals = $why->getLiterals();

foreach ($literals as $literal) {
                // skip the one true literal
                if ($this->decisions->satisfy($literal)) {
                    continue;
                }
                $seen[abs($literal)] = true;
            }
        }

if ($disableRules) {
            foreach ($this->problems[count($this->problems) - 1] as $reason) {
                $this->disableProblem($reason['rule']);
            }

$this->resetSolver();

return 1;
        }

return 0;
    }

/**
     * @param Rule $why
     */
    private function disableProblem(Rule $why)
    {
        $job = $why->getJob();

if (!$job) {
            $why->disable();

return;
        }

// disable all rules of this job
        foreach ($this->rules as $rule) {
            /** @var Rule $rule */
            if ($job === $rule->getJob()) {
                $rule->disable();
            }
        }
    }

private function resetSolver()
    {
        $this->decisions->reset();

$this->propagateIndex = 0;
        $this->branches = array();

$this->enableDisableLearnedRules();
        $this->makeAssertionRuleDecisions();
    }

/**
     * enable/disable learnt rules
     *
     * we have enabled or disabled some of our rules. We now re-enable all
     * of our learnt rules except the ones that were learnt from rules that
     * are now disabled.
     */
    private function enableDisableLearnedRules()
    {
        foreach ($this->rules->getIteratorFor(RuleSet::TYPE_LEARNED) as $rule) {
            $why = $this->learnedWhy[spl_object_hash($rule)];
            $problemRules = $this->learnedPool[$why];

$foundDisabled = false;
            foreach ($problemRules as $problemRule) {
                if ($problemRule->isDisabled()) {
                    $foundDisabled = true;
                    break;
                }
            }

if ($foundDisabled && $rule->isEnabled()) {
                $rule->disable();
            } elseif (!$foundDisabled && $rule->isDisabled()) {
                $rule->enable();
            }
        }
    }

/**
     * @param bool $disableRules
     */
    private function runSat($disableRules = true)
    {
        $this->propagateIndex = 0;

/*
         * here's the main loop:
         * 1) propagate new decisions (only needed once)
         * 2) fulfill jobs
         * 3) fulfill all unresolved rules
         * 4) minimalize solution if we had choices
         * if we encounter a problem, we rewind to a safe level and restart
         * with step 1
         */

$decisionQueue = array();
        $decisionSupplementQueue = array();
        /**
         * @todo this makes $disableRules always false; determine the rationale and possibly remove dead code?
         */
        $disableRules = array();

$level = 1;
        $systemLevel = $level + 1;
        $installedPos = 0;

while (true) {
            if (1 === $level) {
                $conflictRule = $this->propagate($level);
                if (null !== $conflictRule) {
                    if ($this->analyzeUnsolvable($conflictRule, $disableRules)) {
                        continue;
                    }

return;
                }
            }

// handle job rules
            if ($level < $systemLevel) {
                $iterator = $this->rules->getIteratorFor(RuleSet::TYPE_JOB);
                foreach ($iterator as $rule) {
                    if ($rule->isEnabled()) {
                        $decisionQueue = array();
                        $noneSatisfied = true;

foreach ($rule->getLiterals() as $literal) {
                            if ($this->decisions->satisfy($literal)) {
                                $noneSatisfied = false;
                                break;
                            }
                            if ($literal > 0 && $this->decisions->undecided($literal)) {
                                $decisionQueue[] = $literal;
                            }
                        }

if ($noneSatisfied && count($decisionQueue)) {
                            // prune all update packages until installed version
                            // except for requested updates
                            if (count($this->installed) != count($this->updateMap)) {
                                $prunedQueue = array();
                                foreach ($decisionQueue as $literal) {
                                    if (isset($this->installedMap[abs($literal)])) {
                                        $prunedQueue[] = $literal;
                                        if (isset($this->updateMap[abs($literal)])) {
                                            $prunedQueue = $decisionQueue;
                                            break;
                                        }
                                    }
                                }
                                $decisionQueue = $prunedQueue;
                            }
                        }

if ($noneSatisfied && count($decisionQueue)) {
                            $oLevel = $level;
                            $level = $this->selectAndInstall($level, $decisionQueue, $disableRules, $rule);

if (0 === $level) {
                                return;
                            }
                            if ($level <= $oLevel) {
                                break;
                            }
                        }
                    }
                }

$systemLevel = $level + 1;

// jobs left
                $iterator->next();
                if ($iterator->valid()) {
                    continue;
                }
            }

if ($level < $systemLevel) {
                $systemLevel = $level;
            }

$rulesCount = count($this->rules);
            $pass = 1;

$this->io->writeError('Looking at all rules.', true, IOInterface::DEBUG);
            for ($i = 0, $n = 0; $n < $rulesCount; $i++, $n++) {
                if ($i == $rulesCount) {
                    if (1 === $pass) {
                        $this->io->writeError("Something's changed, looking at all rules again (pass #$pass)", false, IOInterface::DEBUG);
                    } else {
                        $this->io->overwriteError("Something's changed, looking at all rules again (pass #$pass)", false, null, IOInterface::DEBUG);
                    }

$i = 0;
                    $pass++;
                }

$rule = $this->rules->ruleById[$i];
                $literals = $rule->getLiterals();

if ($rule->isDisabled()) {
                    continue;
                }

$decisionQueue = array();

// make sure that
                // * all negative literals are installed
                // * no positive literal is installed
                // i.e. the rule is not fulfilled and we
                // just need to decide on the positive literals
                //
                foreach ($literals as $literal) {
                    if ($literal <= 0) {
                        if (!$this->decisions->decidedInstall($literal)) {
                            continue 2; // next rule
                        }
                    } else {
                        if ($this->decisions->decidedInstall($literal)) {
                            continue 2; // next rule
                        }
                        if ($this->decisions->undecided($literal)) {
                            $decisionQueue[] = $literal;
                        }
                    }
                }

// need to have at least 2 item to pick from
                if (count($decisionQueue) < 2) {
                    continue;
                }

$level = $this->selectAndInstall($level, $decisionQueue, $disableRules, $rule);

if (0 === $level) {
                    return;
                }

// something changed, so look at all rules again
                $rulesCount = count($this->rules);
                $n = -1;
            }

if ($level < $systemLevel) {
                continue;
            }

// minimization step
            if (count($this->branches)) {
                $lastLiteral = null;
                $lastLevel = null;
                $lastBranchIndex = 0;
                $lastBranchOffset = 0;

for ($i = count($this->branches) - 1; $i >= 0; $i--) {
                    list($literals, $l) = $this->branches[$i];

foreach ($literals as $offset => $literal) {
                        if ($literal && $literal > 0 && $this->decisions->decisionLevel($literal) > $l + 1) {
                            $lastLiteral = $literal;
                            $lastBranchIndex = $i;
                            $lastBranchOffset = $offset;
                            $lastLevel = $l;
                        }
                    }
                }

if ($lastLiteral) {
                    unset($this->branches[$lastBranchIndex][self::BRANCH_LITERALS][$lastBranchOffset]);

$level = $lastLevel;
                    $this->revert($level);

$why = $this->decisions->lastReason();

$level = $this->setPropagateLearn($level, $lastLiteral, $disableRules, $why);

if ($level == 0) {
                        return;
                    }

continue;
                }
            }

break;
        }
    }
}
<?php

namespace Composer\DependencyResolver;

/**
 * @author Nils Adermann <naderman@naderman.de>
 */
class SolverBugException extends \RuntimeException
{
    public function __construct($message)
    {
        parent::__construct(
            $message."\nThis exception was most likely caused by a bug in Composer.\n".
            "Please report the command you ran, the exact error you received, and your composer.json on https://github.com/composer/composer/issues - thank you!\n"
        );
    }
}
<?php

namespace Composer\DependencyResolver;

use Composer\Package\PackageInterface;
use Composer\Package\AliasPackage;
use Composer\Package\BasePackage;
use Composer\Semver\Constraint\Constraint;

/**
 * @author Nils Adermann <naderman@naderman.de>
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class DefaultPolicy implements PolicyInterface
{
    private $preferStable;
    private $preferLowest;

public function __construct($preferStable = false, $preferLowest = false)
    {
        $this->preferStable = $preferStable;
        $this->preferLowest = $preferLowest;
    }

public function versionCompare(PackageInterface $a, PackageInterface $b, $operator)
    {
        if ($this->preferStable && ($stabA = $a->getStability()) !== ($stabB = $b->getStability())) {
            return BasePackage::$stabilities[$stabA] < BasePackage::$stabilities[$stabB];
        }

$constraint = new Constraint($operator, $b->getVersion());
        $version = new Constraint('==', $a->getVersion());

return $constraint->matchSpecific($version, true);
    }

public function findUpdatePackages(Pool $pool, array $installedMap, PackageInterface $package, $mustMatchName = false)
    {
        $packages = array();

foreach ($pool->whatProvides($package->getName(), null, $mustMatchName) as $candidate) {
            if ($candidate !== $package) {
                $packages[] = $candidate;
            }
        }

return $packages;
    }

public function getPriority(Pool $pool, PackageInterface $package)
    {
        return $pool->getPriority($package->getRepository());
    }

public function selectPreferredPackages(Pool $pool, array $installedMap, array $literals, $requiredPackage = null)
    {
        $packages = $this->groupLiteralsByNamePreferInstalled($pool, $installedMap, $literals);

foreach ($packages as &$literals) {
            $policy = $this;
            usort($literals, function ($a, $b) use ($policy, $pool, $installedMap, $requiredPackage) {
                return $policy->compareByPriorityPreferInstalled($pool, $installedMap, $pool->literalToPackage($a), $pool->literalToPackage($b), $requiredPackage, true);
            });
        }

foreach ($packages as &$literals) {
            $literals = $this->pruneToHighestPriorityOrInstalled($pool, $installedMap, $literals);

$literals = $this->pruneToBestVersion($pool, $literals);

$literals = $this->pruneRemoteAliases($pool, $literals);
        }

$selected = call_user_func_array('array_merge', $packages);

// now sort the result across all packages to respect replaces across packages
        usort($selected, function ($a, $b) use ($policy, $pool, $installedMap, $requiredPackage) {
            return $policy->compareByPriorityPreferInstalled($pool, $installedMap, $pool->literalToPackage($a), $pool->literalToPackage($b), $requiredPackage);
        });

return $selected;
    }

protected function groupLiteralsByNamePreferInstalled(Pool $pool, array $installedMap, $literals)
    {
        $packages = array();
        foreach ($literals as $literal) {
            $packageName = $pool->literalToPackage($literal)->getName();

if (!isset($packages[$packageName])) {
                $packages[$packageName] = array();
            }

if (isset($installedMap[abs($literal)])) {
                array_unshift($packages[$packageName], $literal);
            } else {
                $packages[$packageName][] = $literal;
            }
        }

return $packages;
    }

/**
     * @protected
     */
    public function compareByPriorityPreferInstalled(Pool $pool, array $installedMap, PackageInterface $a, PackageInterface $b, $requiredPackage = null, $ignoreReplace = false)
    {
        if ($a->getRepository() === $b->getRepository()) {
            // prefer aliases to the original package
            if ($a->getName() === $b->getName()) {
                $aAliased = $a instanceof AliasPackage;
                $bAliased = $b instanceof AliasPackage;
                if ($aAliased && !$bAliased) {
                    return -1; // use a
                }
                if (!$aAliased && $bAliased) {
                    return 1; // use b
                }
            }

if (!$ignoreReplace) {
                // return original, not replaced
                if ($this->replaces($a, $b)) {
                    return 1; // use b
                }
                if ($this->replaces($b, $a)) {
                    return -1; // use a
                }

// for replacers not replacing each other, put a higher prio on replacing
                // packages with the same vendor as the required package
                if ($requiredPackage && false !== ($pos = strpos($requiredPackage, '/'))) {
                    $requiredVendor = substr($requiredPackage, 0, $pos);

$aIsSameVendor = substr($a->getName(), 0, $pos) === $requiredVendor;
                    $bIsSameVendor = substr($b->getName(), 0, $pos) === $requiredVendor;

if ($bIsSameVendor !== $aIsSameVendor) {
                        return $aIsSameVendor ? -1 : 1;
                    }
                }
            }

// priority equal, sort by package id to make reproducible
            if ($a->id === $b->id) {
                return 0;
            }

return ($a->id < $b->id) ? -1 : 1;
        }

if (isset($installedMap[$a->id])) {
            return -1;
        }

if (isset($installedMap[$b->id])) {
            return 1;
        }

return ($this->getPriority($pool, $a) > $this->getPriority($pool, $b)) ? -1 : 1;
    }

/**
     * Checks if source replaces a package with the same name as target.
     *
     * Replace constraints are ignored. This method should only be used for
     * prioritisation, not for actual constraint verification.
     *
     * @param  PackageInterface $source
     * @param  PackageInterface $target
     * @return bool
     */
    protected function replaces(PackageInterface $source, PackageInterface $target)
    {
        foreach ($source->getReplaces() as $link) {
            if ($link->getTarget() === $target->getName()
//                && (null === $link->getConstraint() ||
//                $link->getConstraint()->matches(new Constraint('==', $target->getVersion())))) {
                ) {
                return true;
            }
        }

return false;
    }

protected function pruneToBestVersion(Pool $pool, $literals)
    {
        $operator = $this->preferLowest ? '<' : '>';
        $bestLiterals = array($literals[0]);
        $bestPackage = $pool->literalToPackage($literals[0]);
        foreach ($literals as $i => $literal) {
            if (0 === $i) {
                continue;
            }

$package = $pool->literalToPackage($literal);

if ($this->versionCompare($package, $bestPackage, $operator)) {
                $bestPackage = $package;
                $bestLiterals = array($literal);
            } elseif ($this->versionCompare($package, $bestPackage, '==')) {
                $bestLiterals[] = $literal;
            }
        }

return $bestLiterals;
    }

/**
     * Assumes that installed packages come first and then all highest priority packages
     */
    protected function pruneToHighestPriorityOrInstalled(Pool $pool, array $installedMap, array $literals)
    {
        $selected = array();

$priority = null;

foreach ($literals as $literal) {
            $package = $pool->literalToPackage($literal);

if (isset($installedMap[$package->id])) {
                $selected[] = $literal;
                continue;
            }

if (null === $priority) {
                $priority = $this->getPriority($pool, $package);
            }

if ($this->getPriority($pool, $package) != $priority) {
                break;
            }

$selected[] = $literal;
        }

return $selected;
    }

/**
     * Assumes that locally aliased (in root package requires) packages take priority over branch-alias ones
     *
     * If no package is a local alias, nothing happens
     */
    protected function pruneRemoteAliases(Pool $pool, array $literals)
    {
        $hasLocalAlias = false;

foreach ($literals as $literal) {
            $package = $pool->literalToPackage($literal);

if ($package instanceof AliasPackage && $package->isRootPackageAlias()) {
                $hasLocalAlias = true;
                break;
            }
        }

if (!$hasLocalAlias) {
            return $literals;
        }

$selected = array();
        foreach ($literals as $literal) {
            $package = $pool->literalToPackage($literal);

if ($package instanceof AliasPackage && $package->isRootPackageAlias()) {
                $selected[] = $literal;
            }
        }

return $selected;
    }
}
<?php

namespace Composer\DependencyResolver;

/**
 * @author Nils Adermann <naderman@naderman.de>
 */
class RuleSet implements \IteratorAggregate, \Countable
{
    // highest priority => lowest number
    const TYPE_PACKAGE = 0;
    const TYPE_JOB = 1;
    const TYPE_LEARNED = 4;

/**
     * READ-ONLY: Lookup table for rule id to rule object
     *
     * @var Rule[]
     */
    public $ruleById;

protected static $types = array(
        255 => 'UNKNOWN',
        self::TYPE_PACKAGE => 'PACKAGE',
        self::TYPE_JOB => 'JOB',
        self::TYPE_LEARNED => 'LEARNED',
    );

protected $rules;
    protected $nextRuleId;

protected $rulesByHash;

public function __construct()
    {
        $this->nextRuleId = 0;

foreach ($this->getTypes() as $type) {
            $this->rules[$type] = array();
        }

$this->rulesByHash = array();
    }

public function add(Rule $rule, $type)
    {
        if (!isset(self::$types[$type])) {
            throw new \OutOfBoundsException('Unknown rule type: ' . $type);
        }

$hash = $rule->getHash();

// Do not add if rule already exists
        if (isset($this->rulesByHash[$hash])) {
            $potentialDuplicates = $this->rulesByHash[$hash];
            if (is_array($potentialDuplicates)) {
                foreach ($potentialDuplicates as $potentialDuplicate) {
                    if ($rule->equals($potentialDuplicate)) {
                        return;
                    }
                }
            } else {
                if ($rule->equals($potentialDuplicates)) {
                    return;
                }
            }
        }

if (!isset($this->rules[$type])) {
            $this->rules[$type] = array();
        }

$this->rules[$type][] = $rule;
        $this->ruleById[$this->nextRuleId] = $rule;
        $rule->setType($type);

$this->nextRuleId++;

if (!isset($this->rulesByHash[$hash])) {
            $this->rulesByHash[$hash] = $rule;
        } elseif (is_array($this->rulesByHash[$hash])) {
            $this->rulesByHash[$hash][] = $rule;
        } else {
            $originalRule = $this->rulesByHash[$hash];
            $this->rulesByHash[$hash] = array($originalRule, $rule);
        }
    }

public function count()
    {
        return $this->nextRuleId;
    }

public function ruleById($id)
    {
        return $this->ruleById[$id];
    }

public function getRules()
    {
        return $this->rules;
    }

public function getIterator()
    {
        return new RuleSetIterator($this->getRules());
    }

public function getIteratorFor($types)
    {
        if (!is_array($types)) {
            $types = array($types);
        }

$allRules = $this->getRules();
        $rules = array();

foreach ($types as $type) {
            $rules[$type] = $allRules[$type];
        }

return new RuleSetIterator($rules);
    }

public function getIteratorWithout($types)
    {
        if (!is_array($types)) {
            $types = array($types);
        }

$rules = $this->getRules();

foreach ($types as $type) {
            unset($rules[$type]);
        }

return new RuleSetIterator($rules);
    }

public function getTypes()
    {
        $types = self::$types;
        unset($types[255]);

return array_keys($types);
    }

public function getPrettyString(Pool $pool = null)
    {
        $string = "\n";
        foreach ($this->rules as $type => $rules) {
            $string .= str_pad(self::$types[$type], 8, ' ') . ": ";
            foreach ($rules as $rule) {
                $string .= ($pool ? $rule->getPrettyString($pool) : $rule)."\n";
            }
            $string .= "\n\n";
        }

return $string;
    }

public function __toString()
    {
        return $this->getPrettyString(null);
    }
}
<?php

namespace Composer\DependencyResolver;

use Composer\Semver\Constraint\ConstraintInterface;

/**
 * @author Nils Adermann <naderman@naderman.de>
 */
class Request
{
    protected $jobs;

public function __construct()
    {
        $this->jobs = array();
    }

public function install($packageName, ConstraintInterface $constraint = null)
    {
        $this->addJob($packageName, 'install', $constraint);
    }

public function update($packageName, ConstraintInterface $constraint = null)
    {
        $this->addJob($packageName, 'update', $constraint);
    }

public function remove($packageName, ConstraintInterface $constraint = null)
    {
        $this->addJob($packageName, 'remove', $constraint);
    }

/**
     * Mark an existing package as being installed and having to remain installed
     *
     * These jobs will not be tempered with by the solver
     *
     * @param string                   $packageName
     * @param ConstraintInterface|null $constraint
     */
    public function fix($packageName, ConstraintInterface $constraint = null)
    {
        $this->addJob($packageName, 'install', $constraint, true);
    }

protected function addJob($packageName, $cmd, ConstraintInterface $constraint = null, $fixed = false)
    {
        $packageName = strtolower($packageName);

$this->jobs[] = array(
            'cmd' => $cmd,
            'packageName' => $packageName,
            'constraint' => $constraint,
            'fixed' => $fixed,
        );
    }

public function updateAll()
    {
        $this->jobs[] = array('cmd' => 'update-all');
    }

public function getJobs()
    {
        return $this->jobs;
    }
}
<?php

namespace Composer\DependencyResolver;

/**
 * An extension of SplDoublyLinkedList with seek and removal of current element
 *
 * SplDoublyLinkedList only allows deleting a particular offset and has no
 * method to set the internal iterator to a particular offset.
 *
 * @author Nils Adermann <naderman@naderman.de>
 */
class RuleWatchChain extends \SplDoublyLinkedList
{
    protected $offset = 0;

/**
     * Moves the internal iterator to the specified offset
     *
     * @param int $offset The offset to seek to.
     */
    public function seek($offset)
    {
        $this->rewind();
        for ($i = 0; $i < $offset; $i++, $this->next());
    }

/**
     * Removes the current element from the list
     *
     * As SplDoublyLinkedList only allows deleting a particular offset and
     * incorrectly sets the internal iterator if you delete the current value
     * this method sets the internal iterator back to the following element
     * using the seek method.
     */
    public function remove()
    {
        $offset = $this->key();
        $this->offsetUnset($offset);
        $this->seek($offset);
    }
}
<?php

namespace Composer\DependencyResolver;

use Composer\Util\IniHelper;

/**
 * @author Nils Adermann <naderman@naderman.de>
 */
class SolverProblemsException extends \RuntimeException
{
    protected $problems;
    protected $installedMap;

public function __construct(array $problems, array $installedMap)
    {
        $this->problems = $problems;
        $this->installedMap = $installedMap;

parent::__construct($this->createMessage(), 2);
    }

protected function createMessage()
    {
        $text = "\n";
        $hasExtensionProblems = false;
        foreach ($this->problems as $i => $problem) {
            $text .= "  Problem ".($i + 1).$problem->getPrettyString($this->installedMap)."\n";

if (!$hasExtensionProblems && $this->hasExtensionProblems($problem->getReasons())) {
                $hasExtensionProblems = true;
            }
        }

if (strpos($text, 'could not be found') || strpos($text, 'no matching package found')) {
            $text .= "\nPotential causes:\n - A typo in the package name\n - The package is not available in a stable-enough version according to your minimum-stability setting\n   see <https://getcomposer.org/doc/04-schema.md#minimum-stability> for more details.\n - It's a private package and you forgot to add a custom repository to find it\n\nRead <https://getcomposer.org/doc/articles/troubleshooting.md> for further common problems.";
        }

if ($hasExtensionProblems) {
            $text .= $this->createExtensionHint();
        }

return $text;
    }

public function getProblems()
    {
        return $this->problems;
    }

private function createExtensionHint()
    {
        $paths = IniHelper::getAll();

if (count($paths) === 1 && empty($paths[0])) {
            return '';
        }

$text = "\n  To enable extensions, verify that they are enabled in your .ini files:\n    - ";
        $text .= implode("\n    - ", $paths);
        $text .= "\n  You can also run `php --ini` inside terminal to see which files are used by PHP in CLI mode.";

return $text;
    }

private function hasExtensionProblems(array $reasonSets)
    {
        foreach ($reasonSets as $reasonSet) {
            foreach ($reasonSet as $reason) {
                if (isset($reason["rule"]) && 0 === strpos($reason["rule"]->getRequiredPackage(), 'ext-')) {
                    return true;
                }
            }
        }

return false;
    }
}
<?php

namespace Composer\DependencyResolver;

/**
 * @author Nils Adermann <naderman@naderman.de>
 */
class RuleSetIterator implements \Iterator
{
    protected $rules;
    protected $types;

protected $currentOffset;
    protected $currentType;
    protected $currentTypeOffset;

public function __construct(array $rules)
    {
        $this->rules = $rules;
        $this->types = array_keys($rules);
        sort($this->types);

$this->rewind();
    }

public function current()
    {
        return $this->rules[$this->currentType][$this->currentOffset];
    }

public function key()
    {
        return $this->currentType;
    }

public function next()
    {
        $this->currentOffset++;

if (!isset($this->rules[$this->currentType])) {
            return;
        }

if ($this->currentOffset >= count($this->rules[$this->currentType])) {
            $this->currentOffset = 0;

do {
                $this->currentTypeOffset++;

if (!isset($this->types[$this->currentTypeOffset])) {
                    $this->currentType = -1;
                    break;
                }

$this->currentType = $this->types[$this->currentTypeOffset];
            } while (isset($this->types[$this->currentTypeOffset]) && !count($this->rules[$this->currentType]));
        }
    }

public function rewind()
    {
        $this->currentOffset = 0;

$this->currentTypeOffset = -1;
        $this->currentType = -1;

do {
            $this->currentTypeOffset++;

if (!isset($this->types[$this->currentTypeOffset])) {
                $this->currentType = -1;
                break;
            }

$this->currentType = $this->types[$this->currentTypeOffset];
        } while (isset($this->types[$this->currentTypeOffset]) && !count($this->rules[$this->currentType]));
    }

public function valid()
    {
        return isset($this->rules[$this->currentType])
               && isset($this->rules[$this->currentType][$this->currentOffset]);
    }
}
<?php

namespace Composer\DependencyResolver\Operation;

use Composer\Package\PackageInterface;

/**
 * Solver install operation.
 *
 * @author Konstantin Kudryashov <ever.zet@gmail.com>
 */
class InstallOperation extends SolverOperation
{
    protected $package;

/**
     * Initializes operation.
     *
     * @param PackageInterface $package package instance
     * @param string           $reason  operation reason
     */
    public function __construct(PackageInterface $package, $reason = null)
    {
        parent::__construct($reason);

$this->package = $package;
    }

/**
     * Returns package instance.
     *
     * @return PackageInterface
     */
    public function getPackage()
    {
        return $this->package;
    }

/**
     * Returns job type.
     *
     * @return string
     */
    public function getJobType()
    {
        return 'install';
    }

/**
     * {@inheritDoc}
     */
    public function __toString()
    {
        return 'Installing '.$this->package->getPrettyName().' ('.$this->formatVersion($this->package).')';
    }
}
<?php

namespace Composer\DependencyResolver\Operation;

use Composer\Package\PackageInterface;

/**
 * Solver update operation.
 *
 * @author Konstantin Kudryashov <ever.zet@gmail.com>
 */
class UpdateOperation extends SolverOperation
{
    protected $initialPackage;
    protected $targetPackage;

/**
     * Initializes update operation.
     *
     * @param PackageInterface $initial initial package
     * @param PackageInterface $target  target package (updated)
     * @param string           $reason  update reason
     */
    public function __construct(PackageInterface $initial, PackageInterface $target, $reason = null)
    {
        parent::__construct($reason);

$this->initialPackage = $initial;
        $this->targetPackage = $target;
    }

/**
     * Returns initial package.
     *
     * @return PackageInterface
     */
    public function getInitialPackage()
    {
        return $this->initialPackage;
    }

/**
     * Returns target package.
     *
     * @return PackageInterface
     */
    public function getTargetPackage()
    {
        return $this->targetPackage;
    }

/**
     * Returns job type.
     *
     * @return string
     */
    public function getJobType()
    {
        return 'update';
    }

/**
     * {@inheritDoc}
     */
    public function __toString()
    {
        return 'Updating '.$this->initialPackage->getPrettyName().' ('.$this->formatVersion($this->initialPackage).') to '.
            $this->targetPackage->getPrettyName(). ' ('.$this->formatVersion($this->targetPackage).')';
    }
}
<?php

namespace Composer\DependencyResolver\Operation;

use Composer\Package\AliasPackage;
use Composer\Package\PackageInterface;

/**
 * Solver install operation.
 *
 * @author Nils Adermann <naderman@naderman.de>
 */
class MarkAliasUninstalledOperation extends SolverOperation
{
    protected $package;

/**
     * Initializes operation.
     *
     * @param AliasPackage $package package instance
     * @param string       $reason  operation reason
     */
    public function __construct(AliasPackage $package, $reason = null)
    {
        parent::__construct($reason);

$this->package = $package;
    }

/**
     * Returns package instance.
     *
     * @return PackageInterface
     */
    public function getPackage()
    {
        return $this->package;
    }

/**
     * Returns job type.
     *
     * @return string
     */
    public function getJobType()
    {
        return 'markAliasUninstalled';
    }

/**
     * {@inheritDoc}
     */
    public function __toString()
    {
        return 'Marking '.$this->package->getPrettyName().' ('.$this->formatVersion($this->package).') as uninstalled, alias of '.$this->package->getAliasOf()->getPrettyName().' ('.$this->formatVersion($this->package->getAliasOf()).')';
    }
}
<?php

namespace Composer\DependencyResolver\Operation;

use Composer\Package\PackageInterface;

/**
 * Solver uninstall operation.
 *
 * @author Konstantin Kudryashov <ever.zet@gmail.com>
 */
class UninstallOperation extends SolverOperation
{
    protected $package;

$this->package = $package;
    }

/**
     * Returns package instance.
     *
     * @return PackageInterface
     */
    public function getPackage()
    {
        return $this->package;
    }

/**
     * Returns job type.
     *
     * @return string
     */
    public function getJobType()
    {
        return 'uninstall';
    }

/**
     * {@inheritDoc}
     */
    public function __toString()
    {
        return 'Uninstalling '.$this->package->getPrettyName().' ('.$this->formatVersion($this->package).')';
    }
}
<?php

namespace Composer\DependencyResolver\Operation;

/**
 * Solver operation interface.
 *
 * @author Konstantin Kudryashov <ever.zet@gmail.com>
 */
interface OperationInterface
{
    /**
     * Returns job type.
     *
     * @return string
     */
    public function getJobType();

/**
     * Returns operation reason.
     *
     * @return string
     */
    public function getReason();

/**
     * Serializes the operation in a human readable format
     *
     * @return string
     */
    public function __toString();
}
<?php

namespace Composer\DependencyResolver\Operation;

use Composer\Package\PackageInterface;

/**
 * Abstract solver operation class.
 *
 * @author Konstantin Kudryashov <ever.zet@gmail.com>
 */
abstract class SolverOperation implements OperationInterface
{
    protected $reason;

/**
     * Initializes operation.
     *
     * @param string $reason operation reason
     */
    public function __construct($reason = null)
    {
        $this->reason = $reason;
    }

/**
     * Returns operation reason.
     *
     * @return string
     */
    public function getReason()
    {
        return $this->reason;
    }

protected function formatVersion(PackageInterface $package)
    {
        return $package->getFullPrettyVersion();
    }
}
<?php

namespace Composer\DependencyResolver\Operation;

use Composer\Package\AliasPackage;
use Composer\Package\PackageInterface;

/**
 * Solver install operation.
 *
 * @author Nils Adermann <naderman@naderman.de>
 */
class MarkAliasInstalledOperation extends SolverOperation
{
    protected $package;

$this->package = $package;
    }

/**
     * Returns package instance.
     *
     * @return PackageInterface
     */
    public function getPackage()
    {
        return $this->package;
    }

/**
     * Returns job type.
     *
     * @return string
     */
    public function getJobType()
    {
        return 'markAliasInstalled';
    }

/**
     * {@inheritDoc}
     */
    public function __toString()
    {
        return 'Marking '.$this->package->getPrettyName().' ('.$this->formatVersion($this->package).') as installed, alias of '.$this->package->getAliasOf()->getPrettyName().' ('.$this->formatVersion($this->package->getAliasOf()).')';
    }
}
<?php

namespace Composer\DependencyResolver;

use Composer\Package\PackageInterface;
use Composer\Package\Link;

/**
 * @author Nils Adermann <naderman@naderman.de>
 */
class Rule2Literals extends Rule
{
    protected $literal1;
    protected $literal2;

/**
     * @param int                   $literal1
     * @param int                   $literal2
     * @param int                   $reason     A RULE_* constant describing the reason for generating this rule
     * @param Link|PackageInterface $reasonData
     * @param array                 $job        The job this rule was created from
     */
    public function __construct($literal1, $literal2, $reason, $reasonData, $job = null)
    {
        parent::__construct($reason, $reasonData, $job);

if ($literal1 < $literal2) {
            $this->literal1 = $literal1;
            $this->literal2 = $literal2;
        } else {
            $this->literal1 = $literal2;
            $this->literal2 = $literal1;
        }
    }

public function getLiterals()
    {
        return array($this->literal1, $this->literal2);
    }

public function getHash()
    {
        return $this->literal1.','.$this->literal2;
    }

/**
     * Checks if this rule is equal to another one
     *
     * Ignores whether either of the rules is disabled.
     *
     * @param  Rule $rule The rule to check against
     * @return bool Whether the rules are equal
     */
    public function equals(Rule $rule)
    {
        // specialized fast-case
        if ($rule instanceof self) {
            if ($this->literal1 !== $rule->literal1) {
                return false;
            }

if ($this->literal2 !== $rule->literal2) {
                return false;
            }

return true;
        }

$literals = $rule->getLiterals();
        if (2 != count($literals)) {
            return false;
        }

if ($this->literal1 !== $literals[0]) {
            return false;
        }

if ($this->literal2 !== $literals[1]) {
            return false;
        }

return true;
    }

public function isAssertion()
    {
        return false;
    }

$result .= $this->literal1 . '|' . $this->literal2 . ')';

return $result;
    }
}
<?php

namespace Composer\Package;

/**
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class RootAliasPackage extends AliasPackage implements RootPackageInterface
{
    public function __construct(RootPackageInterface $aliasOf, $version, $prettyVersion)
    {
        parent::__construct($aliasOf, $version, $prettyVersion);
    }

/**
     * {@inheritDoc}
     */
    public function getAliases()
    {
        return $this->aliasOf->getAliases();
    }

/**
     * {@inheritDoc}
     */
    public function getMinimumStability()
    {
        return $this->aliasOf->getMinimumStability();
    }

/**
     * {@inheritDoc}
     */
    public function getStabilityFlags()
    {
        return $this->aliasOf->getStabilityFlags();
    }

/**
     * {@inheritDoc}
     */
    public function getReferences()
    {
        return $this->aliasOf->getReferences();
    }

/**
     * {@inheritDoc}
     */
    public function getPreferStable()
    {
        return $this->aliasOf->getPreferStable();
    }

/**
     * {@inheritDoc}
     */
    public function getConfig()
    {
        return $this->aliasOf->getConfig();
    }

/**
     * {@inheritDoc}
     */
    public function setRequires(array $require)
    {
        $this->requires = $this->replaceSelfVersionDependencies($require, 'requires');

$this->aliasOf->setRequires($require);
    }

/**
     * {@inheritDoc}
     */
    public function setDevRequires(array $devRequire)
    {
        $this->devRequires = $this->replaceSelfVersionDependencies($devRequire, 'devRequires');

$this->aliasOf->setDevRequires($devRequire);
    }

/**
     * {@inheritDoc}
     */
    public function setConflicts(array $conflicts)
    {
        $this->conflicts = $this->replaceSelfVersionDependencies($conflicts, 'conflicts');
        $this->aliasOf->setConflicts($conflicts);
    }

/**
     * {@inheritDoc}
     */
    public function setProvides(array $provides)
    {
        $this->provides = $this->replaceSelfVersionDependencies($provides, 'provides');
        $this->aliasOf->setProvides($provides);
    }

/**
     * {@inheritDoc}
     */
    public function setReplaces(array $replaces)
    {
        $this->replaces = $this->replaceSelfVersionDependencies($replaces, 'replaces');
        $this->aliasOf->setReplaces($replaces);
    }

/**
     * {@inheritDoc}
     */
    public function setRepositories($repositories)
    {
        $this->aliasOf->setRepositories($repositories);
    }

/**
     * {@inheritDoc}
     */
    public function setAutoload(array $autoload)
    {
        $this->aliasOf->setAutoload($autoload);
    }

/**
     * {@inheritDoc}
     */
    public function setDevAutoload(array $devAutoload)
    {
        $this->aliasOf->setDevAutoload($devAutoload);
    }

/**
     * {@inheritDoc}
     */
    public function setStabilityFlags(array $stabilityFlags)
    {
        $this->aliasOf->setStabilityFlags($stabilityFlags);
    }

/**
     * {@inheritDoc}
     */
    public function setSuggests(array $suggests)
    {
        $this->aliasOf->setSuggests($suggests);
    }

/**
     * {@inheritDoc}
     */
    public function setExtra(array $extra)
    {
        $this->aliasOf->setExtra($extra);
    }

public function __clone()
    {
        parent::__clone();
        $this->aliasOf = clone $this->aliasOf;
    }
}
<?php

namespace Composer\Package\Archiver;

/**
 * An exclude filter which processes composer's own exclude rules
 *
 * @author Nils Adermann <naderman@naderman.de>
 */
class ComposerExcludeFilter extends BaseExcludeFilter
{
    /**
     * @param string $sourcePath   Directory containing sources to be filtered
     * @param array  $excludeRules An array of exclude rules from composer.json
     */
    public function __construct($sourcePath, array $excludeRules)
    {
        parent::__construct($sourcePath);
        $this->excludePatterns = $this->generatePatterns($excludeRules);
    }
}
<?php

namespace Composer\Package\Archiver;

use Symfony\Component\Finder;

/**
 * An exclude filter that processes hgignore files
 *
 * @author Nils Adermann <naderman@naderman.de>
 */
class HgExcludeFilter extends BaseExcludeFilter
{
    const HG_IGNORE_REGEX = 1;
    const HG_IGNORE_GLOB = 2;

/**
     * Either HG_IGNORE_REGEX or HG_IGNORE_GLOB
     * @var int
     */
    protected $patternMode;

/**
     * Parses .hgignore file if it exist
     *
     * @param string $sourcePath
     */
    public function __construct($sourcePath)
    {
        parent::__construct($sourcePath);

$this->patternMode = self::HG_IGNORE_REGEX;

if (file_exists($sourcePath.'/.hgignore')) {
            $this->excludePatterns = $this->parseLines(
                file($sourcePath.'/.hgignore'),
                array($this, 'parseHgIgnoreLine')
            );
        }
    }

/**
     * Callback line parser which process hgignore lines
     *
     * @param string $line A line from .hgignore
     *
     * @return array|null An exclude pattern for filter()
     */
    public function parseHgIgnoreLine($line)
    {
        if (preg_match('#^syntax\s*:\s*(glob|regexp)$#', $line, $matches)) {
            if ($matches[1] === 'glob') {
                $this->patternMode = self::HG_IGNORE_GLOB;
            } else {
                $this->patternMode = self::HG_IGNORE_REGEX;
            }

return null;
        }

if ($this->patternMode == self::HG_IGNORE_GLOB) {
            return $this->patternFromGlob($line);
        }

return $this->patternFromRegex($line);
    }

/**
     * Generates an exclude pattern for filter() from a hg glob expression
     *
     * @param string $line A line from .hgignore in glob mode
     *
     * @return array An exclude pattern for filter()
     */
    protected function patternFromGlob($line)
    {
        $pattern = '#'.substr(Finder\Glob::toRegex($line), 2, -1).'#';
        $pattern = str_replace('[^/]*', '.*', $pattern);

return array($pattern, false, true);
    }

/**
     * Generates an exclude pattern for filter() from a hg regexp expression
     *
     * @param string $line A line from .hgignore in regexp mode
     *
     * @return array An exclude pattern for filter()
     */
    public function patternFromRegex($line)
    {
        // WTF need to escape the delimiter safely
        $pattern = '#'.preg_replace('/((?:\\\\\\\\)*)(\\\\?)#/', '\1\2\2\\#', $line).'#';

return array($pattern, false, true);
    }
}
<?php

namespace Composer\Package\Archiver;

/**
 * @author Till Klampaeckel <till@php.net>
 * @author Matthieu Moquet <matthieu@moquet.net>
 * @author Nils Adermann <naderman@naderman.de>
 */
interface ArchiverInterface
{
    /**
     * Create an archive from the sources.
     *
     * @param string $sources  The sources directory
     * @param string $target   The target file
     * @param string $format   The format used for archive
     * @param array  $excludes A list of patterns for files to exclude
     *
     * @return string The path to the written archive file
     */
    public function archive($sources, $target, $format, array $excludes = array(), $ignoreFilters = false);

/**
     * Format supported by the archiver.
     *
     * @param string $format     The archive format
     * @param string $sourceType The source type (git, svn, hg, etc.)
     *
     * @return bool true if the format is supported by the archiver
     */
    public function supports($format, $sourceType);
}
<?php

namespace Composer\Package\Archiver;

use FilterIterator;
use PharData;

class ArchivableFilesFilter extends FilterIterator
{
    private $dirs = array();

/**
     * @return bool true if the current element is acceptable, otherwise false.
     */
    public function accept()
    {
        $file = $this->getInnerIterator()->current();
        if ($file->isDir()) {
            $this->dirs[] = (string) $file;

return false;
        }

return true;
    }

public function addEmptyDir(PharData $phar, $sources)
    {
        foreach ($this->dirs as $filepath) {
            $localname = str_replace($sources . "/", '', $filepath);
            $phar->addEmptyDir($localname);
        }
    }
}
<?php

namespace Composer\Package\Archiver;

use Symfony\Component\Finder;

/**
 * @author Nils Adermann <naderman@naderman.de>
 */
abstract class BaseExcludeFilter
{
    /**
     * @var string
     */
    protected $sourcePath;

/**
     * @var array
     */
    protected $excludePatterns;

/**
     * @param string $sourcePath Directory containing sources to be filtered
     */
    public function __construct($sourcePath)
    {
        $this->sourcePath = $sourcePath;
        $this->excludePatterns = array();
    }

/**
     * Checks the given path against all exclude patterns in this filter
     *
     * Negated patterns overwrite exclude decisions of previous filters.
     *
     * @param string $relativePath The file's path relative to the sourcePath
     * @param bool   $exclude      Whether a previous filter wants to exclude this file
     *
     * @return bool Whether the file should be excluded
     */
    public function filter($relativePath, $exclude)
    {
        foreach ($this->excludePatterns as $patternData) {
            list($pattern, $negate, $stripLeadingSlash) = $patternData;

if ($stripLeadingSlash) {
                $path = substr($relativePath, 1);
            } else {
                $path = $relativePath;
            }

if (preg_match($pattern, $path)) {
                $exclude = !$negate;
            }
        }

return $exclude;
    }

/**
     * Processes a file containing exclude rules of different formats per line
     *
     * @param array    $lines      A set of lines to be parsed
     * @param callable $lineParser The parser to be used on each line
     *
     * @return array Exclude patterns to be used in filter()
     */
    protected function parseLines(array $lines, $lineParser)
    {
        return array_filter(
            array_map(
                function ($line) use ($lineParser) {
                    $line = trim($line);

if (!$line || 0 === strpos($line, '#')) {
                        return null;
                    }

return call_user_func($lineParser, $line);
                },
                $lines
            ),
            function ($pattern) {
                return $pattern !== null;
            }
        );
    }

/**
     * Generates a set of exclude patterns for filter() from gitignore rules
     *
     * @param array $rules A list of exclude rules in gitignore syntax
     *
     * @return array Exclude patterns
     */
    protected function generatePatterns($rules)
    {
        $patterns = array();
        foreach ($rules as $rule) {
            $patterns[] = $this->generatePattern($rule);
        }

return $patterns;
    }

/**
     * Generates an exclude pattern for filter() from a gitignore rule
     *
     * @param string $rule An exclude rule in gitignore syntax
     *
     * @return array An exclude pattern
     */
    protected function generatePattern($rule)
    {
        $negate = false;
        $pattern = '{';

if (strlen($rule) && $rule[0] === '!') {
            $negate = true;
            $rule = substr($rule, 1);
        }

if (strlen($rule) && $rule[0] === '/') {
            $pattern .= '^/';
            $rule = substr($rule, 1);
        } elseif (strlen($rule) - 1 === strpos($rule, '/')) {
            $pattern .= '/';
            $rule = substr($rule, 0, -1);
        } elseif (false === strpos($rule, '/')) {
            $pattern .= '/';
        }

// remove delimiters as well as caret (^) and dollar sign ($) from the regex
        $pattern .= substr(Finder\Glob::toRegex($rule), 2, -2) . '(?=$|/)';

return array($pattern . '}', $negate, false);
    }
}
<?php

namespace Composer\Package\Archiver;

use ZipArchive;
use Composer\Util\Filesystem;

/**
 * @author Jan Prieser <jan@prieser.net>
 */
class ZipArchiver implements ArchiverInterface
{
    protected static $formats = array(
        'zip' => 1,
    );

/**
     * {@inheritdoc}
     */
    public function archive($sources, $target, $format, array $excludes = array(), $ignoreFilters = false)
    {
        $fs = new Filesystem();
        $sources = $fs->normalizePath($sources);

$zip = new ZipArchive();
        $res = $zip->open($target, ZipArchive::CREATE);
        if ($res === true) {
            $files = new ArchivableFilesFinder($sources, $excludes, $ignoreFilters);
            foreach ($files as $file) {
                /** @var \SplFileInfo $file */
                $filepath = strtr($file->getPath()."/".$file->getFilename(), '\\', '/');
                $localname = str_replace($sources.'/', '', $filepath);
                if ($file->isDir()) {
                    $zip->addEmptyDir($localname);
                } else {
                    $zip->addFile($filepath, $localname);
                }
            }
            if ($zip->close()) {
                return $target;
            }
        }
        $message = sprintf(
            "Could not create archive '%s' from '%s': %s",
            $target,
            $sources,
            $zip->getStatusString()
        );
        throw new \RuntimeException($message);
    }

/**
     * {@inheritdoc}
     */
    public function supports($format, $sourceType)
    {
        return isset(static::$formats[$format]) && $this->compressionAvailable();
    }

private function compressionAvailable()
    {
        return class_exists('ZipArchive');
    }
}
<?php

namespace Composer\Package\Archiver;

/**
 * An exclude filter that processes gitignore and gitattributes
 *
 * It respects export-ignore git attributes
 *
 * @author Nils Adermann <naderman@naderman.de>
 */
class GitExcludeFilter extends BaseExcludeFilter
{
    /**
     * Parses .gitignore and .gitattributes files if they exist
     *
     * @param string $sourcePath
     */
    public function __construct($sourcePath)
    {
        parent::__construct($sourcePath);

if (file_exists($sourcePath.'/.gitignore')) {
            $this->excludePatterns = $this->parseLines(
                file($sourcePath.'/.gitignore'),
                array($this, 'parseGitIgnoreLine')
            );
        }
        if (file_exists($sourcePath.'/.gitattributes')) {
            $this->excludePatterns = array_merge(
                $this->excludePatterns,
                $this->parseLines(
                    file($sourcePath.'/.gitattributes'),
                    array($this, 'parseGitAttributesLine')
                )
            );
        }
    }

/**
     * Callback line parser which process gitignore lines
     *
     * @param string $line A line from .gitignore
     *
     * @return array An exclude pattern for filter()
     */
    public function parseGitIgnoreLine($line)
    {
        return $this->generatePattern($line);
    }

/**
     * Callback parser which finds export-ignore rules in git attribute lines
     *
     * @param string $line A line from .gitattributes
     *
     * @return array|null An exclude pattern for filter()
     */
    public function parseGitAttributesLine($line)
    {
        $parts = preg_split('#\s+#', $line);

if (count($parts) == 2 && $parts[1] === 'export-ignore') {
            return $this->generatePattern($parts[0]);
        }

return null;
    }
}
<?php

namespace Composer\Package\Archiver;

use Composer\Downloader\DownloadManager;
use Composer\Package\PackageInterface;
use Composer\Package\RootPackageInterface;
use Composer\Util\Filesystem;
use Composer\Json\JsonFile;

/**
 * @author Matthieu Moquet <matthieu@moquet.net>
 * @author Till Klampaeckel <till@php.net>
 */
class ArchiveManager
{
    protected $downloadManager;

protected $archivers = array();

/**
     * @var bool
     */
    protected $overwriteFiles = true;

/**
     * @param DownloadManager $downloadManager A manager used to download package sources
     */
    public function __construct(DownloadManager $downloadManager)
    {
        $this->downloadManager = $downloadManager;
    }

/**
     * @param ArchiverInterface $archiver
     */
    public function addArchiver(ArchiverInterface $archiver)
    {
        $this->archivers[] = $archiver;
    }

/**
     * Set whether existing archives should be overwritten
     *
     * @param bool $overwriteFiles New setting
     *
     * @return $this
     */
    public function setOverwriteFiles($overwriteFiles)
    {
        $this->overwriteFiles = $overwriteFiles;

return $this;
    }

/**
     * Generate a distinct filename for a particular version of a package.
     *
     * @param PackageInterface $package The package to get a name for
     *
     * @return string A filename without an extension
     */
    public function getPackageFilename(PackageInterface $package)
    {
        $nameParts = array(preg_replace('#[^a-z0-9-_]#i', '-', $package->getName()));

if (preg_match('{^[a-f0-9]{40}$}', $package->getDistReference())) {
            array_push($nameParts, $package->getDistReference(), $package->getDistType());
        } else {
            array_push($nameParts, $package->getPrettyVersion(), $package->getDistReference());
        }

if ($package->getSourceReference()) {
            $nameParts[] = substr(sha1($package->getSourceReference()), 0, 6);
        }

$name = implode('-', array_filter($nameParts, function ($p) {
            return !empty($p);
        }));

return str_replace('/', '-', $name);
    }

/**
     * Create an archive of the specified package.
     *
     * @param  PackageInterface          $package       The package to archive
     * @param  string                    $format        The format of the archive (zip, tar, ...)
     * @param  string                    $targetDir     The directory where to build the archive
     * @param  string|null               $fileName      The relative file name to use for the archive, or null to generate
     *                                                  the package name. Note that the format will be appended to this name
     * @param  bool                      $ignoreFilters Ignore filters when looking for files in the package
     * @throws \InvalidArgumentException
     * @throws \RuntimeException
     * @return string                    The path of the created archive
     */
    public function archive(PackageInterface $package, $format, $targetDir, $fileName = null, $ignoreFilters = false)
    {
        if (empty($format)) {
            throw new \InvalidArgumentException('Format must be specified');
        }

// Search for the most appropriate archiver
        $usableArchiver = null;
        foreach ($this->archivers as $archiver) {
            if ($archiver->supports($format, $package->getSourceType())) {
                $usableArchiver = $archiver;
                break;
            }
        }

// Checks the format/source type are supported before downloading the package
        if (null === $usableArchiver) {
            throw new \RuntimeException(sprintf('No archiver found to support %s format', $format));
        }

$filesystem = new Filesystem();
        if (null === $fileName) {
            $packageName = $this->getPackageFilename($package);
        } else {
            $packageName = $fileName;
        }

// Archive filename
        $filesystem->ensureDirectoryExists($targetDir);
        $target = realpath($targetDir).'/'.$packageName.'.'.$format;
        $filesystem->ensureDirectoryExists(dirname($target));

if (!$this->overwriteFiles && file_exists($target)) {
            return $target;
        }

if ($package instanceof RootPackageInterface) {
            $sourcePath = realpath('.');
        } else {
            // Directory used to download the sources
            $sourcePath = sys_get_temp_dir().'/composer_archive'.uniqid();
            $filesystem->ensureDirectoryExists($sourcePath);

// Download sources
            $this->downloadManager->download($package, $sourcePath);

// Check exclude from downloaded composer.json
            if (file_exists($composerJsonPath = $sourcePath.'/composer.json')) {
                $jsonFile = new JsonFile($composerJsonPath);
                $jsonData = $jsonFile->read();
                if (!empty($jsonData['archive']['exclude'])) {
                    $package->setArchiveExcludes($jsonData['archive']['exclude']);
                }
            }
        }

// Create the archive
        $tempTarget = sys_get_temp_dir().'/composer_archive'.uniqid().'.'.$format;
        $filesystem->ensureDirectoryExists(dirname($tempTarget));

$archivePath = $usableArchiver->archive($sourcePath, $tempTarget, $format, $package->getArchiveExcludes(), $ignoreFilters);
        $filesystem->rename($archivePath, $target);

// cleanup temporary download
        if (!$package instanceof RootPackageInterface) {
            $filesystem->removeDirectory($sourcePath);
        }
        $filesystem->remove($tempTarget);

return $target;
    }
}
<?php

namespace Composer\Package\Archiver;

use Composer\Util\Filesystem;
use FilesystemIterator;
use Symfony\Component\Finder\Finder;
use Symfony\Component\Finder\SplFileInfo;

/**
 * A Symfony Finder wrapper which locates files that should go into archives
 *
 * Handles .gitignore, .gitattributes and .hgignore files as well as composer's
 * own exclude rules from composer.json
 *
 * @author Nils Adermann <naderman@naderman.de>
 */
class ArchivableFilesFinder extends \FilterIterator
{
    /**
     * @var Finder
     */
    protected $finder;

/**
     * Initializes the internal Symfony Finder with appropriate filters
     *
     * @param string $sources       Path to source files to be archived
     * @param array  $excludes      Composer's own exclude rules from composer.json
     * @param bool   $ignoreFilters Ignore filters when looking for files
     */
    public function __construct($sources, array $excludes, $ignoreFilters = false)
    {
        $fs = new Filesystem();

$sources = $fs->normalizePath($sources);

if ($ignoreFilters) {
            $filters = array();
        } else {
            $filters = array(
                new HgExcludeFilter($sources),
                new GitExcludeFilter($sources),
                new ComposerExcludeFilter($sources, $excludes),
            );
        }

$this->finder = new Finder();

$filter = function (\SplFileInfo $file) use ($sources, $filters, $fs) {
            if ($file->isLink() && strpos($file->getLinkTarget(), $sources) !== 0) {
                return false;
            }

$relativePath = preg_replace(
                '#^'.preg_quote($sources, '#').'#',
                '',
                $fs->normalizePath($file->getRealPath())
            );

$exclude = false;
            foreach ($filters as $filter) {
                $exclude = $filter->filter($relativePath, $exclude);
            }

return !$exclude;
        };

if (method_exists($filter, 'bindTo')) {
            $filter = $filter->bindTo(null);
        }

$this->finder
            ->in($sources)
            ->filter($filter)
            ->ignoreVCS(true)
            ->ignoreDotFiles(false);

parent::__construct($this->finder->getIterator());
    }

public function accept()
    {
        /** @var SplFileInfo $current */
        $current = $this->getInnerIterator()->current();

if (!$current->isDir()) {
            return true;
        }

$iterator = new FilesystemIterator($current, FilesystemIterator::SKIP_DOTS);

return !$iterator->valid();
    }
}
<?php

namespace Composer\Package\Archiver;

/**
 * @author Till Klampaeckel <till@php.net>
 * @author Nils Adermann <naderman@naderman.de>
 * @author Matthieu Moquet <matthieu@moquet.net>
 */
class PharArchiver implements ArchiverInterface
{
    protected static $formats = array(
        'zip' => \Phar::ZIP,
        'tar' => \Phar::TAR,
        'tar.gz' => \Phar::TAR,
        'tar.bz2' => \Phar::TAR,
    );

protected static $compressFormats = array(
        'tar.gz' => \Phar::GZ,
        'tar.bz2' => \Phar::BZ2,
    );

/**
     * {@inheritdoc}
     */
    public function archive($sources, $target, $format, array $excludes = array(), $ignoreFilters = false)
    {
        $sources = realpath($sources);

// Phar would otherwise load the file which we don't want
        if (file_exists($target)) {
            unlink($target);
        }

try {
            $filename = substr($target, 0, strrpos($target, $format) - 1);

// Check if compress format
            if (isset(static::$compressFormats[$format])) {
                // Current compress format supported base on tar
                $target = $filename . '.tar';
            }

$phar = new \PharData($target, null, null, static::$formats[$format]);
            $files = new ArchivableFilesFinder($sources, $excludes, $ignoreFilters);
            $filesOnly = new ArchivableFilesFilter($files);
            $phar->buildFromIterator($filesOnly, $sources);
            $filesOnly->addEmptyDir($phar, $sources);

if (isset(static::$compressFormats[$format])) {
                // Check can be compressed?
                if (!$phar->canCompress(static::$compressFormats[$format])) {
                    throw new \RuntimeException(sprintf('Can not compress to %s format', $format));
                }

// Delete old tar
                unlink($target);

// Compress the new tar
                $phar->compress(static::$compressFormats[$format]);

// Make the correct filename
                $target = $filename . '.' . $format;
            }

return $target;
        } catch (\UnexpectedValueException $e) {
            $message = sprintf(
                "Could not create archive '%s' from '%s': %s",
                $target,
                $sources,
                $e->getMessage()
            );

throw new \RuntimeException($message, $e->getCode(), $e);
        }
    }

/**
     * {@inheritdoc}
     */
    public function supports($format, $sourceType)
    {
        return isset(static::$formats[$format]);
    }
}
<?php

namespace Composer\Package\LinkConstraint;

use Composer\Semver\Constraint\ConstraintInterface;

trigger_error('The ' . __NAMESPACE__ . '\LinkConstraintInterface interface is deprecated, use Composer\Semver\Constraint\ConstraintInterface instead.', E_USER_DEPRECATED);

/**
 * @deprecated use Composer\Semver\Constraint\ConstraintInterface instead
 */
interface LinkConstraintInterface extends ConstraintInterface
{
}
<?php

namespace Composer\Package\LinkConstraint;

use Composer\Semver\Constraint\Constraint;

trigger_error('The ' . __NAMESPACE__ . '\VersionConstraint class is deprecated, use Composer\Semver\Constraint\Constraint instead.', E_USER_DEPRECATED);

/**
 * @deprecated use Composer\Semver\Constraint\Constraint instead
 */
class VersionConstraint extends Constraint implements LinkConstraintInterface
{
}
<?php

namespace Composer\Package\LinkConstraint;

use Composer\Semver\Constraint\AbstractConstraint;

trigger_error('The ' . __NAMESPACE__ . '\SpecificConstraint abstract class is deprecated, there is no replacement for it.', E_USER_DEPRECATED);

/**
 * @deprecated use Composer\Semver\Constraint\AbstractConstraint instead
 */
abstract class SpecificConstraint extends AbstractConstraint implements LinkConstraintInterface
{
}
<?php

namespace Composer\Package\LinkConstraint;

use Composer\Semver\Constraint\EmptyConstraint as SemverEmptyConstraint;

trigger_error('The ' . __NAMESPACE__ . '\EmptyConstraint class is deprecated, use Composer\Semver\Constraint\EmptyConstraint instead.', E_USER_DEPRECATED);

/**
 * @deprecated use Composer\Semver\Constraint\EmptyConstraint instead
 */
class EmptyConstraint extends SemverEmptyConstraint implements LinkConstraintInterface
{
}
<?php

namespace Composer\Package\LinkConstraint;

use Composer\Semver\Constraint\MultiConstraint as SemverMultiConstraint;

trigger_error('The ' . __NAMESPACE__ . '\MultiConstraint class is deprecated, use Composer\Semver\Constraint\MultiConstraint instead.', E_USER_DEPRECATED);

/**
 * @deprecated use Composer\Semver\Constraint\MultiConstraint instead
 */
class MultiConstraint extends SemverMultiConstraint implements LinkConstraintInterface
{
}
<?php

namespace Composer\Package\Version;

use Composer\Config;
use Composer\Repository\Vcs\HgDriver;
use Composer\IO\NullIO;
use Composer\Semver\VersionParser as SemverVersionParser;
use Composer\Util\Git as GitUtil;
use Composer\Util\ProcessExecutor;
use Composer\Util\Svn as SvnUtil;

/**
 * Try to guess the current version number based on different VCS configuration.
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 * @author Samuel Roze <samuel.roze@gmail.com>
 */
class VersionGuesser
{
    /**
     * @var Config
     */
    private $config;

/**
     * @var ProcessExecutor
     */
    private $process;

/**
     * @var SemverVersionParser
     */
    private $versionParser;

/**
     * @param Config              $config
     * @param ProcessExecutor     $process
     * @param SemverVersionParser $versionParser
     */
    public function __construct(Config $config, ProcessExecutor $process, SemverVersionParser $versionParser)
    {
        $this->config = $config;
        $this->process = $process;
        $this->versionParser = $versionParser;
    }

/**
     * @param array  $packageConfig
     * @param string $path          Path to guess into
     *
     * @return null|array versionData, 'version', 'pretty_version' and 'commit' keys
     */
    public function guessVersion(array $packageConfig, $path)
    {
        if (function_exists('proc_open')) {
            $versionData = $this->guessGitVersion($packageConfig, $path);
            if (null !== $versionData && null !== $versionData['version']) {
                return $this->postprocess($versionData);
            }

$versionData = $this->guessHgVersion($packageConfig, $path);
            if (null !== $versionData && null !== $versionData['version']) {
                return $this->postprocess($versionData);
            }

$versionData = $this->guessFossilVersion($packageConfig, $path);
            if (null !== $versionData && null !== $versionData['version']) {
                return $this->postprocess($versionData);
            }

$versionData = $this->guessSvnVersion($packageConfig, $path);
            if (null !== $versionData && null !== $versionData['version']) {
                return $this->postprocess($versionData);
            }
        }
    }

private function postprocess(array $versionData)
    {
        if ('-dev' === substr($versionData['version'], -4) && preg_match('{\.9{7}}', $versionData['version'])) {
            $versionData['pretty_version'] = preg_replace('{(\.9{7})+}', '.x', $versionData['version']);
        }

return $versionData;
    }

private function guessGitVersion(array $packageConfig, $path)
    {
        GitUtil::cleanEnv();
        $commit = null;
        $version = null;
        $prettyVersion = null;
        $isDetached = false;

// try to fetch current version from git branch
        if (0 === $this->process->execute('git branch --no-color --no-abbrev -v', $output, $path)) {
            $branches = array();
            $isFeatureBranch = false;

// find current branch and collect all branch names
            foreach ($this->process->splitLines($output) as $branch) {
                if ($branch && preg_match('{^(?:\* ) *($no branch$|$detached from \S+$|$HEAD detached at \S+$|\S+) *([a-f0-9]+) .*$}', $branch, $match)) {
                    if ($match[1] === '(no branch)' || substr($match[1], 0, 10) === '(detached ' || substr($match[1], 0, 17) === '(HEAD detached at') {
                        $version = 'dev-' . $match[2];
                        $prettyVersion = $version;
                        $isFeatureBranch = true;
                        $isDetached = true;
                    } else {
                        $version = $this->versionParser->normalizeBranch($match[1]);
                        $prettyVersion = 'dev-' . $match[1];
                        $isFeatureBranch = 0 === strpos($version, 'dev-');
                    }

if ($match[2]) {
                        $commit = $match[2];
                    }
                }

if ($branch && !preg_match('{^ *[^/]+/HEAD }', $branch)) {
                    if (preg_match('{^(?:\* )? *(\S+) *([a-f0-9]+) .*$}', $branch, $match)) {
                        $branches[] = $match[1];
                    }
                }
            }

if ($isFeatureBranch) {
                // try to find the best (nearest) version branch to assume this feature's version
                $result = $this->guessFeatureVersion($packageConfig, $version, $branches, 'git rev-list %candidate%..%branch%', $path);
                $version = $result['version'];
                $prettyVersion = $result['pretty_version'];
            }
        }

if (!$version || $isDetached) {
            $result = $this->versionFromGitTags($path);
            if ($result) {
                $version = $result['version'];
                $prettyVersion = $result['pretty_version'];
            }
        }

if (!$commit) {
            $command = 'git log --pretty="%H" -n1 HEAD';
            if (0 === $this->process->execute($command, $output, $path)) {
                $commit = trim($output) ?: null;
            }
        }

return array('version' => $version, 'commit' => $commit, 'pretty_version' => $prettyVersion);
    }

private function versionFromGitTags($path)
    {
        // try to fetch current version from git tags
        if (0 === $this->process->execute('git describe --exact-match --tags', $output, $path)) {
            try {
                $version = $this->versionParser->normalize(trim($output));

return array('version' => $version, 'pretty_version' => trim($output));
            } catch (\Exception $e) {
            }
        }

return null;
    }

private function guessHgVersion(array $packageConfig, $path)
    {
        // try to fetch current version from hg branch
        if (0 === $this->process->execute('hg branch', $output, $path)) {
            $branch = trim($output);
            $version = $this->versionParser->normalizeBranch($branch);
            $isFeatureBranch = 0 === strpos($version, 'dev-');

if ('9999999-dev' === $version) {
                return array('version' => $version, 'commit' => null, 'pretty_version' => 'dev-'.$branch);
            }

if (!$isFeatureBranch) {
                return array('version' => $version, 'commit' => null, 'pretty_version' => $version);
            }

// re-use the HgDriver to fetch branches (this properly includes bookmarks)
            $driver = new HgDriver(array('url' => $path), new NullIO(), $this->config, $this->process);
            $branches = array_keys($driver->getBranches());

// try to find the best (nearest) version branch to assume this feature's version
            $result = $this->guessFeatureVersion($packageConfig, $version, $branches, 'hg log -r "not ancestors(\'%candidate%\') and ancestors(\'%branch%\')" --template "{node}\\n"', $path);
            $result['commit'] = '';

return $result;
        }
    }

private function guessFeatureVersion(array $packageConfig, $version, array $branches, $scmCmdline, $path)
    {
        $prettyVersion = $version;

// ignore feature branches if they have no branch-alias or self.version is used
        // and find the branch they came from to use as a version instead
        if ((isset($packageConfig['extra']['branch-alias']) && !isset($packageConfig['extra']['branch-alias'][$version]))
            || strpos(json_encode($packageConfig), '"self.version"')
        ) {
            $branch = preg_replace('{^dev-}', '', $version);
            $length = PHP_INT_MAX;

$nonFeatureBranches = '';
            if (!empty($packageConfig['non-feature-branches'])) {
                $nonFeatureBranches = implode('|', $packageConfig['non-feature-branches']);
            }

foreach ($branches as $candidate) {
                // return directly, if branch is configured to be non-feature branch
                if ($candidate === $branch && preg_match('{^(' . $nonFeatureBranches . ')$}', $candidate)) {
                    break;
                }

// do not compare against itself or other feature branches
                if ($candidate === $branch || !preg_match('{^(' . $nonFeatureBranches . '|master|trunk|default|develop|\d+\..+)$}', $candidate, $match)) {
                    continue;
                }

$cmdLine = str_replace(array('%candidate%', '%branch%'), array($candidate, $branch), $scmCmdline);
                if (0 !== $this->process->execute($cmdLine, $output, $path)) {
                    continue;
                }

if (strlen($output) < $length) {
                    $length = strlen($output);
                    $version = $this->versionParser->normalizeBranch($candidate);
                    $prettyVersion = 'dev-' . $match[1];
                }
            }
        }

return array('version' => $version, 'pretty_version' => $prettyVersion);
    }

private function guessFossilVersion(array $packageConfig, $path)
    {
        $version = null;
        $prettyVersion = null;

// try to fetch current version from fossil
        if (0 === $this->process->execute('fossil branch list', $output, $path)) {
            $branch = trim($output);
            $version = $this->versionParser->normalizeBranch($branch);
            $prettyVersion = 'dev-' . $branch;
        }

// try to fetch current version from fossil tags
        if (0 === $this->process->execute('fossil tag list', $output, $path)) {
            try {
                $version = $this->versionParser->normalize(trim($output));
                $prettyVersion = trim($output);
            } catch (\Exception $e) {
            }
        }

return array('version' => $version, 'commit' => '', 'pretty_version' => $prettyVersion);
    }

private function guessSvnVersion(array $packageConfig, $path)
    {
        SvnUtil::cleanEnv();

// try to fetch current version from svn
        if (0 === $this->process->execute('svn info --xml', $output, $path)) {
            $trunkPath = isset($packageConfig['trunk-path']) ? preg_quote($packageConfig['trunk-path'], '#') : 'trunk';
            $branchesPath = isset($packageConfig['branches-path']) ? preg_quote($packageConfig['branches-path'], '#') : 'branches';
            $tagsPath = isset($packageConfig['tags-path']) ? preg_quote($packageConfig['tags-path'], '#') : 'tags';

$urlPattern = '#<url>.*/(' . $trunkPath . '|(' . $branchesPath . '|' . $tagsPath . ')/(.*))</url>#';

if (preg_match($urlPattern, $output, $matches)) {
                if (isset($matches[2]) && ($branchesPath === $matches[2] || $tagsPath === $matches[2])) {
                    // we are in a branches path
                    $version = $this->versionParser->normalizeBranch($matches[3]);
                    $prettyVersion = 'dev-' . $matches[3];

return array('version' => $version, 'commit' => '', 'pretty_version' => $prettyVersion);
                }

$prettyVersion = trim($matches[1]);
                $version = $this->versionParser->normalize($prettyVersion);

return array('version' => $version, 'commit' => '', 'pretty_version' => $prettyVersion);
            }
        }
    }
}
<?php

namespace Composer\Package\Version;

use Composer\Repository\PlatformRepository;
use Composer\Semver\VersionParser as SemverVersionParser;
use Composer\Semver\Semver;

class VersionParser extends SemverVersionParser
{
    private static $constraints = array();

/**
     * {@inheritDoc}
     */
    public function parseConstraints($constraints)
    {
        if (!isset(self::$constraints[$constraints])) {
            self::$constraints[$constraints] = parent::parseConstraints($constraints);
        }

return self::$constraints[$constraints];
    }

/**
     * Parses an array of strings representing package/version pairs.
     *
     * The parsing results in an array of arrays, each of which
     * contain a 'name' key with value and optionally a 'version' key with value.
     *
     * @param array $pairs a set of package/version pairs separated by ":", "=" or " "
     *
     * @return array[] array of arrays containing a name and (if provided) a version
     */
    public function parseNameVersionPairs(array $pairs)
    {
        $pairs = array_values($pairs);
        $result = array();

for ($i = 0, $count = count($pairs); $i < $count; $i++) {
            $pair = preg_replace('{^([^=: ]+)[=: ](.*)$}', '$1 $2', trim($pairs[$i]));
            if (false === strpos($pair, ' ') && isset($pairs[$i + 1]) && false === strpos($pairs[$i + 1], '/') && !preg_match(PlatformRepository::PLATFORM_PACKAGE_REGEX, $pairs[$i + 1])) {
                $pair .= ' '.$pairs[$i + 1];
                $i++;
            }

if (strpos($pair, ' ')) {
                list($name, $version) = explode(' ', $pair, 2);
                $result[] = array('name' => $name, 'version' => $version);
            } else {
                $result[] = array('name' => $pair);
            }
        }

return $result;
    }

/**
     * @return bool
     */
    public static function isUpgrade($normalizedFrom, $normalizedTo)
    {
        if (substr($normalizedFrom, 0, 4) === 'dev-' || substr($normalizedTo, 0, 4) === 'dev-') {
            return true;
        }

$sorted = Semver::sort(array($normalizedTo, $normalizedFrom));

return $sorted[0] === $normalizedFrom;
    }
}
<?php

namespace Composer\Package\Version;

use Composer\DependencyResolver\Pool;
use Composer\Package\BasePackage;
use Composer\Package\PackageInterface;
use Composer\Package\Loader\ArrayLoader;
use Composer\Package\Dumper\ArrayDumper;
use Composer\Semver\Constraint\Constraint;

/**
 * Selects the best possible version for a package
 *
 * @author Ryan Weaver <ryan@knpuniversity.com>
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class VersionSelector
{
    private $pool;

private $parser;

public function __construct(Pool $pool)
    {
        $this->pool = $pool;
    }

/**
     * Given a package name and optional version, returns the latest PackageInterface
     * that matches.
     *
     * @param  string                $packageName
     * @param  string                $targetPackageVersion
     * @param  string                $targetPhpVersion
     * @param  string                $preferredStability
     * @return PackageInterface|bool
     */
    public function findBestCandidate($packageName, $targetPackageVersion = null, $targetPhpVersion = null, $preferredStability = 'stable')
    {
        $constraint = $targetPackageVersion ? $this->getParser()->parseConstraints($targetPackageVersion) : null;
        $candidates = $this->pool->whatProvides(strtolower($packageName), $constraint, true);

if ($targetPhpVersion) {
            $phpConstraint = new Constraint('==', $this->getParser()->normalize($targetPhpVersion));
            $candidates = array_filter($candidates, function ($pkg) use ($phpConstraint) {
                $reqs = $pkg->getRequires();

return !isset($reqs['php']) || $reqs['php']->getConstraint()->matches($phpConstraint);
            });
        }

if (!$candidates) {
            return false;
        }

// select highest version if we have many
        $package = reset($candidates);
        $minPriority = BasePackage::$stabilities[$preferredStability];
        foreach ($candidates as $candidate) {
            $candidatePriority = $candidate->getStabilityPriority();
            $currentPriority = $package->getStabilityPriority();

// candidate is less stable than our preferred stability,
            // and current package is more stable than candidate, skip it
            if ($minPriority < $candidatePriority && $currentPriority < $candidatePriority) {
                continue;
            }

// candidate is less stable than our preferred stability,
            // and current package is less stable than candidate, select candidate
            if ($minPriority < $candidatePriority && $candidatePriority < $currentPriority) {
                $package = $candidate;
                continue;
            }

// candidate is more stable than our preferred stability,
            // and current package is less stable than preferred stability, select candidate
            if ($minPriority >= $candidatePriority && $minPriority < $currentPriority) {
                $package = $candidate;
                continue;
            }

// select highest version of the two
            if (version_compare($package->getVersion(), $candidate->getVersion(), '<')) {
                $package = $candidate;
            }
        }

return $package;
    }

/**
     * Given a concrete version, this returns a ~ constraint (when possible)
     * that should be used, for example, in composer.json.
     *
     * For example:
     *  * 1.2.1         -> ^1.2
     *  * 1.2           -> ^1.2
     *  * v3.2.1        -> ^3.2
     *  * 2.0-beta.1    -> ^2.0@beta
     *  * dev-master    -> ^2.1@dev      (dev version with alias)
     *  * dev-master    -> dev-master    (dev versions are untouched)
     *
     * @param  PackageInterface $package
     * @return string
     */
    public function findRecommendedRequireVersion(PackageInterface $package)
    {
        $version = $package->getVersion();
        if (!$package->isDev()) {
            return $this->transformVersion($version, $package->getPrettyVersion(), $package->getStability());
        }

$loader = new ArrayLoader($this->getParser());
        $dumper = new ArrayDumper();
        $extra = $loader->getBranchAlias($dumper->dump($package));
        if ($extra) {
            $extra = preg_replace('{^(\d+\.\d+\.\d+)(\.9999999)-dev$}', '$1.0', $extra, -1, $count);
            if ($count) {
                $extra = str_replace('.9999999', '.0', $extra);

return $this->transformVersion($extra, $extra, 'dev');
            }
        }

return $package->getPrettyVersion();
    }

private function transformVersion($version, $prettyVersion, $stability)
    {
        // attempt to transform 2.1.1 to 2.1
        // this allows you to upgrade through minor versions
        $semanticVersionParts = explode('.', $version);

// check to see if we have a semver-looking version
        if (count($semanticVersionParts) == 4 && preg_match('{^0\D?}', $semanticVersionParts[3])) {
            // remove the last parts (i.e. the patch version number and any extra)
            if ($semanticVersionParts[0] === '0') {
                unset($semanticVersionParts[3]);
            } else {
                unset($semanticVersionParts[2], $semanticVersionParts[3]);
            }
            $version = implode('.', $semanticVersionParts);
        } else {
            return $prettyVersion;
        }

// append stability flag if not default
        if ($stability != 'stable') {
            $version .= '@'.$stability;
        }

// 2.1 -> ^2.1
        return '^' . $version;
    }

private function getParser()
    {
        if ($this->parser === null) {
            $this->parser = new VersionParser();
        }

return $this->parser;
    }
}
<?php

namespace Composer\Package;

use Composer\Repository\RepositoryInterface;

/**
 * Defines the essential information a package has that is used during solving/installation
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
interface PackageInterface
{
    /**
     * Returns the package's name without version info, thus not a unique identifier
     *
     * @return string package name
     */
    public function getName();

/**
     * Returns the package's pretty (i.e. with proper case) name
     *
     * @return string package name
     */
    public function getPrettyName();

/**
     * Returns a set of names that could refer to this package
     *
     * No version or release type information should be included in any of the
     * names. Provided or replaced package names need to be returned as well.
     *
     * @return array An array of strings referring to this package
     */
    public function getNames();

/**
     * Allows the solver to set an id for this package to refer to it.
     *
     * @param int $id
     */
    public function setId($id);

/**
     * Retrieves the package's id set through setId
     *
     * @return int The previously set package id
     */
    public function getId();

/**
     * Returns whether the package is a development virtual package or a concrete one
     *
     * @return bool
     */
    public function isDev();

/**
     * Returns the package type, e.g. library
     *
     * @return string The package type
     */
    public function getType();

/**
     * Returns the package targetDir property
     *
     * @return string The package targetDir
     */
    public function getTargetDir();

/**
     * Returns the package extra data
     *
     * @return array The package extra data
     */
    public function getExtra();

/**
     * Sets source from which this package was installed (source/dist).
     *
     * @param string $type source/dist
     */
    public function setInstallationSource($type);

/**
     * Returns source from which this package was installed (source/dist).
     *
     * @return string source/dist
     */
    public function getInstallationSource();

/**
     * Returns the repository type of this package, e.g. git, svn
     *
     * @return string The repository type
     */
    public function getSourceType();

/**
     * Returns the repository url of this package, e.g. git://github.com/naderman/composer.git
     *
     * @return string The repository url
     */
    public function getSourceUrl();

/**
     * Returns the repository urls of this package including mirrors, e.g. git://github.com/naderman/composer.git
     *
     * @return array
     */
    public function getSourceUrls();

/**
     * Returns the repository reference of this package, e.g. master, 1.0.0 or a commit hash for git
     *
     * @return string The repository reference
     */
    public function getSourceReference();

/**
     * Returns the source mirrors of this package
     *
     * @return array|null
     */
    public function getSourceMirrors();

/**
     * Returns the type of the distribution archive of this version, e.g. zip, tarball
     *
     * @return string The repository type
     */
    public function getDistType();

/**
     * Returns the url of the distribution archive of this version
     *
     * @return string
     */
    public function getDistUrl();

/**
     * Returns the urls of the distribution archive of this version, including mirrors
     *
     * @return array
     */
    public function getDistUrls();

/**
     * Returns the reference of the distribution archive of this version, e.g. master, 1.0.0 or a commit hash for git
     *
     * @return string
     */
    public function getDistReference();

/**
     * Returns the sha1 checksum for the distribution archive of this version
     *
     * @return string
     */
    public function getDistSha1Checksum();

/**
     * Returns the dist mirrors of this package
     *
     * @return array|null
     */
    public function getDistMirrors();

/**
     * Returns the version of this package
     *
     * @return string version
     */
    public function getVersion();

/**
     * Returns the pretty (i.e. non-normalized) version string of this package
     *
     * @return string version
     */
    public function getPrettyVersion();

/**
     * Returns the pretty version string plus a git or hg commit hash of this package
     *
     * @see getPrettyVersion
     *
     * @param  bool   $truncate If the source reference is a sha1 hash, truncate it
     * @return string version
     */
    public function getFullPrettyVersion($truncate = true);

/**
     * Returns the release date of the package
     *
     * @return \DateTime
     */
    public function getReleaseDate();

/**
     * Returns the stability of this package: one of (dev, alpha, beta, RC, stable)
     *
     * @return string
     */
    public function getStability();

/**
     * Returns a set of links to packages which need to be installed before
     * this package can be installed
     *
     * @return Link[] An array of package links defining required packages
     */
    public function getRequires();

/**
     * Returns a set of links to packages which must not be installed at the
     * same time as this package
     *
     * @return Link[] An array of package links defining conflicting packages
     */
    public function getConflicts();

/**
     * Returns a set of links to virtual packages that are provided through
     * this package
     *
     * @return Link[] An array of package links defining provided packages
     */
    public function getProvides();

/**
     * Returns a set of links to packages which can alternatively be
     * satisfied by installing this package
     *
     * @return Link[] An array of package links defining replaced packages
     */
    public function getReplaces();

/**
     * Returns a set of links to packages which are required to develop
     * this package. These are installed if in dev mode.
     *
     * @return Link[] An array of package links defining packages required for development
     */
    public function getDevRequires();

/**
     * Returns a set of package names and reasons why they are useful in
     * combination with this package.
     *
     * @return array An array of package suggestions with descriptions
     */
    public function getSuggests();

/**
     * Returns an associative array of autoloading rules
     *
     * {"<type>": {"<namespace": "<directory>"}}
     *
     * Type is either "psr-4", "psr-0", "classmap" or "files". Namespaces are mapped to
     * directories for autoloading using the type specified.
     *
     * @return array Mapping of autoloading rules
     */
    public function getAutoload();

/**
     * Returns an associative array of dev autoloading rules
     *
     * {"<type>": {"<namespace": "<directory>"}}
     *
     * Type is either "psr-4", "psr-0", "classmap" or "files". Namespaces are mapped to
     * directories for autoloading using the type specified.
     *
     * @return array Mapping of dev autoloading rules
     */
    public function getDevAutoload();

/**
     * Returns a list of directories which should get added to PHP's
     * include path.
     *
     * @return array
     */
    public function getIncludePaths();

/**
     * Stores a reference to the repository that owns the package
     *
     * @param RepositoryInterface $repository
     */
    public function setRepository(RepositoryInterface $repository);

/**
     * Returns a reference to the repository that owns the package
     *
     * @return RepositoryInterface
     */
    public function getRepository();

/**
     * Returns the package binaries
     *
     * @return array
     */
    public function getBinaries();

/**
     * Returns package unique name, constructed from name and version.
     *
     * @return string
     */
    public function getUniqueName();

/**
     * Returns the package notification url
     *
     * @return string
     */
    public function getNotificationUrl();

/**
     * Converts the package into a readable and unique string
     *
     * @return string
     */
    public function __toString();

/**
     * Converts the package into a pretty readable string
     *
     * @return string
     */
    public function getPrettyString();

/**
     * Returns a list of patterns to exclude from package archives
     *
     * @return array
     */
    public function getArchiveExcludes();

/**
     * Returns a list of options to download package dist files
     *
     * @return array
     */
    public function getTransportOptions();
}
<?php

namespace Composer\Package;

use Composer\Package\Version\VersionParser;
use Composer\Util\ComposerMirror;

/**
 * Core package definitions that are needed to resolve dependencies and install packages
 *
 * @author Nils Adermann <naderman@naderman.de>
 */
class Package extends BasePackage
{
    protected $type;
    protected $targetDir;
    protected $installationSource;
    protected $sourceType;
    protected $sourceUrl;
    protected $sourceReference;
    protected $sourceMirrors;
    protected $distType;
    protected $distUrl;
    protected $distReference;
    protected $distSha1Checksum;
    protected $distMirrors;
    protected $version;
    protected $prettyVersion;
    protected $releaseDate;
    protected $extra = array();
    protected $binaries = array();
    protected $dev;
    protected $stability;
    protected $notificationUrl;

/** @var Link[] */
    protected $requires = array();
    /** @var Link[] */
    protected $conflicts = array();
    /** @var Link[] */
    protected $provides = array();
    /** @var Link[] */
    protected $replaces = array();
    /** @var Link[] */
    protected $devRequires = array();
    protected $suggests = array();
    protected $autoload = array();
    protected $devAutoload = array();
    protected $includePaths = array();
    protected $archiveExcludes = array();

/**
     * Creates a new in memory package.
     *
     * @param string $name          The package's name
     * @param string $version       The package's version
     * @param string $prettyVersion The package's non-normalized version
     */
    public function __construct($name, $version, $prettyVersion)
    {
        parent::__construct($name);

$this->version = $version;
        $this->prettyVersion = $prettyVersion;

$this->stability = VersionParser::parseStability($version);
        $this->dev = $this->stability === 'dev';
    }

/**
     * {@inheritDoc}
     */
    public function isDev()
    {
        return $this->dev;
    }

/**
     * @param string $type
     */
    public function setType($type)
    {
        $this->type = $type;
    }

/**
     * {@inheritDoc}
     */
    public function getType()
    {
        return $this->type ?: 'library';
    }

/**
     * {@inheritDoc}
     */
    public function getStability()
    {
        return $this->stability;
    }

/**
     * @param string $targetDir
     */
    public function setTargetDir($targetDir)
    {
        $this->targetDir = $targetDir;
    }

/**
     * {@inheritDoc}
     */
    public function getTargetDir()
    {
        if (null === $this->targetDir) {
            return;
        }

return ltrim(preg_replace('{ (?:^|[\\\\/]+) \.\.? (?:[\\\\/]+|$) (?:\.\.? (?:[\\\\/]+|$) )*}x', '/', $this->targetDir), '/');
    }

/**
     * @param array $extra
     */
    public function setExtra(array $extra)
    {
        $this->extra = $extra;
    }

/**
     * {@inheritDoc}
     */
    public function getExtra()
    {
        return $this->extra;
    }

/**
     * @param array $binaries
     */
    public function setBinaries(array $binaries)
    {
        $this->binaries = $binaries;
    }

/**
     * {@inheritDoc}
     */
    public function getBinaries()
    {
        return $this->binaries;
    }

/**
     * {@inheritDoc}
     */
    public function setInstallationSource($type)
    {
        $this->installationSource = $type;
    }

/**
     * {@inheritDoc}
     */
    public function getInstallationSource()
    {
        return $this->installationSource;
    }

/**
     * @param string $type
     */
    public function setSourceType($type)
    {
        $this->sourceType = $type;
    }

/**
     * {@inheritDoc}
     */
    public function getSourceType()
    {
        return $this->sourceType;
    }

/**
     * @param string $url
     */
    public function setSourceUrl($url)
    {
        $this->sourceUrl = $url;
    }

/**
     * {@inheritDoc}
     */
    public function getSourceUrl()
    {
        return $this->sourceUrl;
    }

/**
     * @param string $reference
     */
    public function setSourceReference($reference)
    {
        $this->sourceReference = $reference;
    }

/**
     * {@inheritDoc}
     */
    public function getSourceReference()
    {
        return $this->sourceReference;
    }

/**
     * @param array|null $mirrors
     */
    public function setSourceMirrors($mirrors)
    {
        $this->sourceMirrors = $mirrors;
    }

/**
     * {@inheritDoc}
     */
    public function getSourceMirrors()
    {
        return $this->sourceMirrors;
    }

/**
     * {@inheritDoc}
     */
    public function getSourceUrls()
    {
        return $this->getUrls($this->sourceUrl, $this->sourceMirrors, $this->sourceReference, $this->sourceType, 'source');
    }

/**
     * @param string $type
     */
    public function setDistType($type)
    {
        $this->distType = $type;
    }

/**
     * {@inheritDoc}
     */
    public function getDistType()
    {
        return $this->distType;
    }

/**
     * @param string $url
     */
    public function setDistUrl($url)
    {
        $this->distUrl = $url;
    }

/**
     * {@inheritDoc}
     */
    public function getDistUrl()
    {
        return $this->distUrl;
    }

/**
     * @param string $reference
     */
    public function setDistReference($reference)
    {
        $this->distReference = $reference;
    }

/**
     * {@inheritDoc}
     */
    public function getDistReference()
    {
        return $this->distReference;
    }

/**
     * @param string $sha1checksum
     */
    public function setDistSha1Checksum($sha1checksum)
    {
        $this->distSha1Checksum = $sha1checksum;
    }

/**
     * {@inheritDoc}
     */
    public function getDistSha1Checksum()
    {
        return $this->distSha1Checksum;
    }

/**
     * @param array|null $mirrors
     */
    public function setDistMirrors($mirrors)
    {
        $this->distMirrors = $mirrors;
    }

/**
     * {@inheritDoc}
     */
    public function getDistMirrors()
    {
        return $this->distMirrors;
    }

/**
     * {@inheritDoc}
     */
    public function getDistUrls()
    {
        return $this->getUrls($this->distUrl, $this->distMirrors, $this->distReference, $this->distType, 'dist');
    }

/**
     * {@inheritDoc}
     */
    public function getVersion()
    {
        return $this->version;
    }

/**
     * {@inheritDoc}
     */
    public function getPrettyVersion()
    {
        return $this->prettyVersion;
    }

/**
     * Set the releaseDate
     *
     * @param \DateTime $releaseDate
     */
    public function setReleaseDate(\DateTime $releaseDate)
    {
        $this->releaseDate = $releaseDate;
    }

/**
     * {@inheritDoc}
     */
    public function getReleaseDate()
    {
        return $this->releaseDate;
    }

/**
     * Set the required packages
     *
     * @param Link[] $requires A set of package links
     */
    public function setRequires(array $requires)
    {
        $this->requires = $requires;
    }

/**
     * {@inheritDoc}
     */
    public function getRequires()
    {
        return $this->requires;
    }

/**
     * Set the conflicting packages
     *
     * @param Link[] $conflicts A set of package links
     */
    public function setConflicts(array $conflicts)
    {
        $this->conflicts = $conflicts;
    }

/**
     * {@inheritDoc}
     */
    public function getConflicts()
    {
        return $this->conflicts;
    }

/**
     * Set the provided virtual packages
     *
     * @param Link[] $provides A set of package links
     */
    public function setProvides(array $provides)
    {
        $this->provides = $provides;
    }

/**
     * {@inheritDoc}
     */
    public function getProvides()
    {
        return $this->provides;
    }

/**
     * Set the packages this one replaces
     *
     * @param Link[] $replaces A set of package links
     */
    public function setReplaces(array $replaces)
    {
        $this->replaces = $replaces;
    }

/**
     * {@inheritDoc}
     */
    public function getReplaces()
    {
        return $this->replaces;
    }

/**
     * Set the recommended packages
     *
     * @param Link[] $devRequires A set of package links
     */
    public function setDevRequires(array $devRequires)
    {
        $this->devRequires = $devRequires;
    }

/**
     * {@inheritDoc}
     */
    public function getDevRequires()
    {
        return $this->devRequires;
    }

/**
     * Set the suggested packages
     *
     * @param array $suggests A set of package names/comments
     */
    public function setSuggests(array $suggests)
    {
        $this->suggests = $suggests;
    }

/**
     * {@inheritDoc}
     */
    public function getSuggests()
    {
        return $this->suggests;
    }

/**
     * Set the autoload mapping
     *
     * @param array $autoload Mapping of autoloading rules
     */
    public function setAutoload(array $autoload)
    {
        $this->autoload = $autoload;
    }

/**
     * {@inheritDoc}
     */
    public function getAutoload()
    {
        return $this->autoload;
    }

/**
     * Set the dev autoload mapping
     *
     * @param array $devAutoload Mapping of dev autoloading rules
     */
    public function setDevAutoload(array $devAutoload)
    {
        $this->devAutoload = $devAutoload;
    }

/**
     * {@inheritDoc}
     */
    public function getDevAutoload()
    {
        return $this->devAutoload;
    }

/**
     * Sets the list of paths added to PHP's include path.
     *
     * @param array $includePaths List of directories.
     */
    public function setIncludePaths(array $includePaths)
    {
        $this->includePaths = $includePaths;
    }

/**
     * {@inheritDoc}
     */
    public function getIncludePaths()
    {
        return $this->includePaths;
    }

/**
     * Sets the notification URL
     *
     * @param string $notificationUrl
     */
    public function setNotificationUrl($notificationUrl)
    {
        $this->notificationUrl = $notificationUrl;
    }

/**
     * {@inheritDoc}
     */
    public function getNotificationUrl()
    {
        return $this->notificationUrl;
    }

/**
     * Sets a list of patterns to be excluded from archives
     *
     * @param array $excludes
     */
    public function setArchiveExcludes(array $excludes)
    {
        $this->archiveExcludes = $excludes;
    }

/**
     * {@inheritDoc}
     */
    public function getArchiveExcludes()
    {
        return $this->archiveExcludes;
    }

/**
     * Replaces current version and pretty version with passed values.
     * It also sets stability.
     *
     * @param string $version       The package's normalized version
     * @param string $prettyVersion The package's non-normalized version
     */
    public function replaceVersion($version, $prettyVersion)
    {
        $this->version = $version;
        $this->prettyVersion = $prettyVersion;

$this->stability = VersionParser::parseStability($version);
        $this->dev = $this->stability === 'dev';
    }

protected function getUrls($url, $mirrors, $ref, $type, $urlType)
    {
        if (!$url) {
            return array();
        }
        $urls = array($url);
        if ($mirrors) {
            foreach ($mirrors as $mirror) {
                if ($urlType === 'dist') {
                    $mirrorUrl = ComposerMirror::processUrl($mirror['url'], $this->name, $this->version, $ref, $type);
                } elseif ($urlType === 'source' && $type === 'git') {
                    $mirrorUrl = ComposerMirror::processGitUrl($mirror['url'], $this->name, $url, $type);
                } elseif ($urlType === 'source' && $type === 'hg') {
                    $mirrorUrl = ComposerMirror::processHgUrl($mirror['url'], $this->name, $url, $type);
                }
                if (!in_array($mirrorUrl, $urls)) {
                    $func = $mirror['preferred'] ? 'array_unshift' : 'array_push';
                    $func($urls, $mirrorUrl);
                }
            }
        }

return $urls;
    }
}
<?php

namespace Composer\Package\Dumper;

use Composer\Package\BasePackage;
use Composer\Package\PackageInterface;
use Composer\Package\CompletePackageInterface;
use Composer\Package\RootPackageInterface;

/**
 * @author Konstantin Kudryashiv <ever.zet@gmail.com>
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class ArrayDumper
{
    public function dump(PackageInterface $package)
    {
        $keys = array(
            'binaries' => 'bin',
            'type',
            'extra',
            'installationSource' => 'installation-source',
            'autoload',
            'devAutoload' => 'autoload-dev',
            'notificationUrl' => 'notification-url',
            'includePaths' => 'include-path',
        );

$data = array();
        $data['name'] = $package->getPrettyName();
        $data['version'] = $package->getPrettyVersion();
        $data['version_normalized'] = $package->getVersion();

if ($package->getTargetDir()) {
            $data['target-dir'] = $package->getTargetDir();
        }

if ($package->getSourceType()) {
            $data['source']['type'] = $package->getSourceType();
            $data['source']['url'] = $package->getSourceUrl();
            $data['source']['reference'] = $package->getSourceReference();
            if ($mirrors = $package->getSourceMirrors()) {
                $data['source']['mirrors'] = $mirrors;
            }
        }

if ($package->getDistType()) {
            $data['dist']['type'] = $package->getDistType();
            $data['dist']['url'] = $package->getDistUrl();
            $data['dist']['reference'] = $package->getDistReference();
            $data['dist']['shasum'] = $package->getDistSha1Checksum();
            if ($mirrors = $package->getDistMirrors()) {
                $data['dist']['mirrors'] = $mirrors;
            }
        }

if ($package->getArchiveExcludes()) {
            $data['archive']['exclude'] = $package->getArchiveExcludes();
        }

foreach (BasePackage::$supportedLinkTypes as $type => $opts) {
            if ($links = $package->{'get'.ucfirst($opts['method'])}()) {
                foreach ($links as $link) {
                    $data[$type][$link->getTarget()] = $link->getPrettyConstraint();
                }
                ksort($data[$type]);
            }
        }

if ($packages = $package->getSuggests()) {
            ksort($packages);
            $data['suggest'] = $packages;
        }

if ($package->getReleaseDate()) {
            $data['time'] = $package->getReleaseDate()->format(DATE_RFC3339);
        }

$data = $this->dumpValues($package, $keys, $data);

if ($package instanceof CompletePackageInterface) {
            $keys = array(
                'scripts',
                'license',
                'authors',
                'description',
                'homepage',
                'keywords',
                'repositories',
                'support',
            );

$data = $this->dumpValues($package, $keys, $data);

if (isset($data['keywords']) && is_array($data['keywords'])) {
                sort($data['keywords']);
            }

if ($package->isAbandoned()) {
                $data['abandoned'] = $package->getReplacementPackage() ?: true;
            }
        }

if ($package instanceof RootPackageInterface) {
            $minimumStability = $package->getMinimumStability();
            if ($minimumStability) {
                $data['minimum-stability'] = $minimumStability;
            }
        }

if (count($package->getTransportOptions()) > 0) {
            $data['transport-options'] = $package->getTransportOptions();
        }

return $data;
    }

private function dumpValues(PackageInterface $package, array $keys, array $data)
    {
        foreach ($keys as $method => $key) {
            if (is_numeric($method)) {
                $method = $key;
            }

$getter = 'get'.ucfirst($method);
            $value = $package->$getter();

if (null !== $value && !(is_array($value) && 0 === count($value))) {
                $data[$key] = $value;
            }
        }

return $data;
    }
}
<?php

namespace Composer\Package\Loader;

/**
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class InvalidPackageException extends \Exception
{
    private $errors;
    private $warnings;
    private $data;

public function __construct(array $errors, array $warnings, array $data)
    {
        $this->errors = $errors;
        $this->warnings = $warnings;
        $this->data = $data;
        parent::__construct("Invalid package information: \n".implode("\n", array_merge($errors, $warnings)));
    }

public function getData()
    {
        return $this->data;
    }

public function getErrors()
    {
        return $this->errors;
    }

public function getWarnings()
    {
        return $this->warnings;
    }
}
<?php

namespace Composer\Package\Loader;

use Composer\Json\JsonFile;

/**
 * @author Konstantin Kudryashiv <ever.zet@gmail.com>
 */
class JsonLoader
{
    private $loader;

public function __construct(LoaderInterface $loader)
    {
        $this->loader = $loader;
    }

/**
     * @param  string|JsonFile                    $json A filename, json string or JsonFile instance to load the package from
     * @return \Composer\Package\PackageInterface
     */
    public function load($json)
    {
        if ($json instanceof JsonFile) {
            $config = $json->read();
        } elseif (file_exists($json)) {
            $config = JsonFile::parseJson(file_get_contents($json), $json);
        } elseif (is_string($json)) {
            $config = JsonFile::parseJson($json);
        }

return $this->loader->load($config);
    }
}
<?php

namespace Composer\Package\Loader;

use Composer\Package;
use Composer\Package\AliasPackage;
use Composer\Package\Link;
use Composer\Package\RootAliasPackage;
use Composer\Package\RootPackageInterface;
use Composer\Package\Version\VersionParser;
use Composer\Semver\VersionParser as SemverVersionParser;

/**
 * @author Konstantin Kudryashiv <ever.zet@gmail.com>
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class ArrayLoader implements LoaderInterface
{
    protected $versionParser;
    protected $loadOptions;

public function __construct(SemverVersionParser $parser = null, $loadOptions = false)
    {
        if (!$parser) {
            $parser = new VersionParser;
        }
        $this->versionParser = $parser;
        $this->loadOptions = $loadOptions;
    }

public function load(array $config, $class = 'Composer\Package\CompletePackage')
    {
        if (!isset($config['name'])) {
            throw new \UnexpectedValueException('Unknown package has no name defined ('.json_encode($config).').');
        }
        if (!isset($config['version'])) {
            throw new \UnexpectedValueException('Package '.$config['name'].' has no version defined.');
        }

// handle already normalized versions
        if (isset($config['version_normalized'])) {
            $version = $config['version_normalized'];
        } else {
            $version = $this->versionParser->normalize($config['version']);
        }
        $package = new $class($config['name'], $version, $config['version']);
        $package->setType(isset($config['type']) ? strtolower($config['type']) : 'library');

if (isset($config['target-dir'])) {
            $package->setTargetDir($config['target-dir']);
        }

if (isset($config['extra']) && is_array($config['extra'])) {
            $package->setExtra($config['extra']);
        }

if (isset($config['bin'])) {
            foreach ((array) $config['bin'] as $key => $bin) {
                $config['bin'][$key] = ltrim($bin, '/');
            }
            $package->setBinaries((array) $config['bin']);
        }

if (isset($config['installation-source'])) {
            $package->setInstallationSource($config['installation-source']);
        }

if (isset($config['source'])) {
            if (!isset($config['source']['type']) || !isset($config['source']['url']) || !isset($config['source']['reference'])) {
                throw new \UnexpectedValueException(sprintf(
                    "Package %s's source key should be specified as {\"type\": ..., \"url\": ..., \"reference\": ...},\n%s given.",
                    $config['name'],
                    json_encode($config['source'])
                ));
            }
            $package->setSourceType($config['source']['type']);
            $package->setSourceUrl($config['source']['url']);
            $package->setSourceReference($config['source']['reference']);
            if (isset($config['source']['mirrors'])) {
                $package->setSourceMirrors($config['source']['mirrors']);
            }
        }

if (isset($config['dist'])) {
            if (!isset($config['dist']['type'])
             || !isset($config['dist']['url'])) {
                throw new \UnexpectedValueException(sprintf(
                    "Package %s's dist key should be specified as ".
                    "{\"type\": ..., \"url\": ..., \"reference\": ..., \"shasum\": ...},\n%s given.",
                    $config['name'],
                    json_encode($config['dist'])
                ));
            }
            $package->setDistType($config['dist']['type']);
            $package->setDistUrl($config['dist']['url']);
            $package->setDistReference(isset($config['dist']['reference']) ? $config['dist']['reference'] : null);
            $package->setDistSha1Checksum(isset($config['dist']['shasum']) ? $config['dist']['shasum'] : null);
            if (isset($config['dist']['mirrors'])) {
                $package->setDistMirrors($config['dist']['mirrors']);
            }
        }

foreach (Package\BasePackage::$supportedLinkTypes as $type => $opts) {
            if (isset($config[$type])) {
                $method = 'set'.ucfirst($opts['method']);
                $package->{$method}(
                    $this->parseLinks(
                        $package->getName(),
                        $package->getPrettyVersion(),
                        $opts['description'],
                        $config[$type]
                    )
                );
            }
        }

if (isset($config['suggest']) && is_array($config['suggest'])) {
            foreach ($config['suggest'] as $target => $reason) {
                if ('self.version' === trim($reason)) {
                    $config['suggest'][$target] = $package->getPrettyVersion();
                }
            }
            $package->setSuggests($config['suggest']);
        }

if (isset($config['autoload'])) {
            $package->setAutoload($config['autoload']);
        }

if (isset($config['autoload-dev'])) {
            $package->setDevAutoload($config['autoload-dev']);
        }

if (isset($config['include-path'])) {
            $package->setIncludePaths($config['include-path']);
        }

if (!empty($config['time'])) {
            $time = preg_match('/^\d++$/D', $config['time']) ? '@'.$config['time'] : $config['time'];

try {
                $date = new \DateTime($time, new \DateTimeZone('UTC'));
                $package->setReleaseDate($date);
            } catch (\Exception $e) {
            }
        }

if (!empty($config['notification-url'])) {
            $package->setNotificationUrl($config['notification-url']);
        }

if (!empty($config['archive']['exclude'])) {
            $package->setArchiveExcludes($config['archive']['exclude']);
        }

if ($package instanceof Package\CompletePackageInterface) {
            if (isset($config['scripts']) && is_array($config['scripts'])) {
                foreach ($config['scripts'] as $event => $listeners) {
                    $config['scripts'][$event] = (array) $listeners;
                }
                if (isset($config['scripts']['composer'])) {
                    trigger_error('The `composer` script name is reserved for internal use, please avoid defining it', E_USER_DEPRECATED);
                }
                $package->setScripts($config['scripts']);
            }

if (!empty($config['description']) && is_string($config['description'])) {
                $package->setDescription($config['description']);
            }

if (!empty($config['homepage']) && is_string($config['homepage'])) {
                $package->setHomepage($config['homepage']);
            }

if (!empty($config['keywords']) && is_array($config['keywords'])) {
                $package->setKeywords($config['keywords']);
            }

if (!empty($config['license'])) {
                $package->setLicense(is_array($config['license']) ? $config['license'] : array($config['license']));
            }

if (!empty($config['authors']) && is_array($config['authors'])) {
                $package->setAuthors($config['authors']);
            }

if (isset($config['support'])) {
                $package->setSupport($config['support']);
            }

if (isset($config['abandoned'])) {
                $package->setAbandoned($config['abandoned']);
            }
        }

if ($aliasNormalized = $this->getBranchAlias($config)) {
            if ($package instanceof RootPackageInterface) {
                $package = new RootAliasPackage($package, $aliasNormalized, preg_replace('{(\.9{7})+}', '.x', $aliasNormalized));
            } else {
                $package = new AliasPackage($package, $aliasNormalized, preg_replace('{(\.9{7})+}', '.x', $aliasNormalized));
            }
        }

if ($this->loadOptions && isset($config['transport-options'])) {
            $package->setTransportOptions($config['transport-options']);
        }

return $package;
    }

/**
     * @param  string $source        source package name
     * @param  string $sourceVersion source package version (pretty version ideally)
     * @param  string $description   link description (e.g. requires, replaces, ..)
     * @param  array  $links         array of package name => constraint mappings
     * @return Link[]
     */
    public function parseLinks($source, $sourceVersion, $description, $links)
    {
        $res = array();
        foreach ($links as $target => $constraint) {
            if (!is_string($constraint)) {
                throw new \UnexpectedValueException('Link constraint in '.$source.' '.$description.' > '.$target.' should be a string, got '.gettype($constraint) . ' (' . var_export($constraint, true) . ')');
            }
            if ('self.version' === $constraint) {
                $parsedConstraint = $this->versionParser->parseConstraints($sourceVersion);
            } else {
                $parsedConstraint = $this->versionParser->parseConstraints($constraint);
            }

$res[strtolower($target)] = new Link($source, $target, $parsedConstraint, $description, $constraint);
        }

return $res;
    }

/**
     * Retrieves a branch alias (dev-master => 1.0.x-dev for example) if it exists
     *
     * @param  array       $config the entire package config
     * @return string|null normalized version of the branch alias or null if there is none
     */
    public function getBranchAlias(array $config)
    {
        if (('dev-' !== substr($config['version'], 0, 4) && '-dev' !== substr($config['version'], -4))
            || !isset($config['extra']['branch-alias'])
            || !is_array($config['extra']['branch-alias'])
        ) {
            return;
        }

foreach ($config['extra']['branch-alias'] as $sourceBranch => $targetBranch) {
            // ensure it is an alias to a -dev package
            if ('-dev' !== substr($targetBranch, -4)) {
                continue;
            }

// ensure that it is the current branch aliasing itself
            if (strtolower($config['version']) !== strtolower($sourceBranch)) {
                continue;
            }

return $validatedTargetBranch;
        }
    }
}
<?php

namespace Composer\Package\Loader;

/**
 * Defines a loader that takes an array to create package instances
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
interface LoaderInterface
{
    /**
     * Converts a package from an array to a real instance
     *
     * @param  array                              $package Package config
     * @param  string                             $class   Package class to use
     * @return \Composer\Package\PackageInterface
     */
    public function load(array $package, $class = 'Composer\Package\CompletePackage');
}
<?php

namespace Composer\Package\Loader;

use Composer\Package\BasePackage;
use Composer\Package\AliasPackage;
use Composer\Config;
use Composer\Package\RootPackageInterface;
use Composer\Repository\RepositoryFactory;
use Composer\Package\Version\VersionGuesser;
use Composer\Package\Version\VersionParser;
use Composer\Repository\RepositoryManager;
use Composer\Util\ProcessExecutor;

/**
 * ArrayLoader built for the sole purpose of loading the root package
 *
 * Sets additional defaults and loads repositories
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class RootPackageLoader extends ArrayLoader
{
    /**
     * @var RepositoryManager
     */
    private $manager;

/**
     * @var Config
     */
    private $config;

/**
     * @var VersionGuesser
     */
    private $versionGuesser;

public function __construct(RepositoryManager $manager, Config $config, VersionParser $parser = null, VersionGuesser $versionGuesser = null)
    {
        parent::__construct($parser);

$this->manager = $manager;
        $this->config = $config;
        $this->versionGuesser = $versionGuesser ?: new VersionGuesser($config, new ProcessExecutor(), $this->versionParser);
    }

/**
     * @param  array                $config package data
     * @param  string               $class  FQCN to be instantiated
     * @param  string               $cwd    cwd of the root package to be used to guess the version if it is not provided
     * @return RootPackageInterface
     */
    public function load(array $config, $class = 'Composer\Package\RootPackage', $cwd = null)
    {
        if (!isset($config['name'])) {
            $config['name'] = '__root__';
        }
        $autoVersioned = false;
        if (!isset($config['version'])) {
            $commit = null;

// override with env var if available
            if (getenv('COMPOSER_ROOT_VERSION')) {
                $config['version'] = getenv('COMPOSER_ROOT_VERSION');
            } else {
                $versionData = $this->versionGuesser->guessVersion($config, $cwd ?: getcwd());
                if ($versionData) {
                    $config['version'] = $versionData['pretty_version'];
                    $config['version_normalized'] = $versionData['version'];
                    $commit = $versionData['commit'];
                }
            }

if (!isset($config['version'])) {
                $config['version'] = '1.0.0';
                $autoVersioned = true;
            }

if ($commit) {
                $config['source'] = array(
                    'type' => '',
                    'url' => '',
                    'reference' => $commit,
                );
                $config['dist'] = array(
                    'type' => '',
                    'url' => '',
                    'reference' => $commit,
                );
            }
        }

$realPackage = $package = parent::load($config, $class);
        if ($realPackage instanceof AliasPackage) {
            $realPackage = $package->getAliasOf();
        }

if ($autoVersioned) {
            $realPackage->replaceVersion($realPackage->getVersion(), 'No version set (parsed as 1.0.0)');
        }

if (isset($config['minimum-stability'])) {
            $realPackage->setMinimumStability(VersionParser::normalizeStability($config['minimum-stability']));
        }

$aliases = array();
        $stabilityFlags = array();
        $references = array();
        foreach (array('require', 'require-dev') as $linkType) {
            if (isset($config[$linkType])) {
                $linkInfo = BasePackage::$supportedLinkTypes[$linkType];
                $method = 'get'.ucfirst($linkInfo['method']);
                $links = array();
                foreach ($realPackage->$method() as $link) {
                    $links[$link->getTarget()] = $link->getConstraint()->getPrettyString();
                }
                $aliases = $this->extractAliases($links, $aliases);
                $stabilityFlags = $this->extractStabilityFlags($links, $stabilityFlags, $realPackage->getMinimumStability());
                $references = $this->extractReferences($links, $references);
            }
        }

if (isset($links[$config['name']])) {
            throw new \InvalidArgumentException(sprintf('Root package \'%s\' cannot require itself in its composer.json' . PHP_EOL .
                        'Did you accidentally name your root package after an external package?', $config['name']));
        }

$realPackage->setAliases($aliases);
        $realPackage->setStabilityFlags($stabilityFlags);
        $realPackage->setReferences($references);

if (isset($config['prefer-stable'])) {
            $realPackage->setPreferStable((bool) $config['prefer-stable']);
        }

if (isset($config['config'])) {
            $realPackage->setConfig($config['config']);
        }

$repos = RepositoryFactory::defaultRepos(null, $this->config, $this->manager);
        foreach ($repos as $repo) {
            $this->manager->addRepository($repo);
        }
        $realPackage->setRepositories($this->config->getRepositories());

return $package;
    }

private function extractAliases(array $requires, array $aliases)
    {
        foreach ($requires as $reqName => $reqVersion) {
            if (preg_match('{^([^,\s#]+)(?:#[^ ]+)? +as +([^,\s]+)$}', $reqVersion, $match)) {
                $aliases[] = array(
                    'package' => strtolower($reqName),
                    'version' => $this->versionParser->normalize($match[1], $reqVersion),
                    'alias' => $match[2],
                    'alias_normalized' => $this->versionParser->normalize($match[2], $reqVersion),
                );
            }
        }

return $aliases;
    }

private function extractStabilityFlags(array $requires, array $stabilityFlags, $minimumStability)
    {
        $stabilities = BasePackage::$stabilities;
        $minimumStability = $stabilities[$minimumStability];
        foreach ($requires as $reqName => $reqVersion) {
            $constraints = array();

// extract all sub-constraints in case it is an OR/AND multi-constraint
            $orSplit = preg_split('{\s*\|\|?\s*}', trim($reqVersion));
            foreach ($orSplit as $orConstraint) {
                $andSplit = preg_split('{(?<!^|as|[=>< ,]) *(?<!-)[, ](?!-) *(?!,|as|$)}', $orConstraint);
                foreach ($andSplit as $andConstraint) {
                    $constraints[] = $andConstraint;
                }
            }

// parse explicit stability flags to the most unstable
            $match = false;
            foreach ($constraints as $constraint) {
                if (preg_match('{^[^@]*?@('.implode('|', array_keys($stabilities)).')$}i', $constraint, $match)) {
                    $name = strtolower($reqName);
                    $stability = $stabilities[VersionParser::normalizeStability($match[1])];

if (isset($stabilityFlags[$name]) && $stabilityFlags[$name] > $stability) {
                        continue;
                    }
                    $stabilityFlags[$name] = $stability;
                    $match = true;
                }
            }

if ($match) {
                continue;
            }

foreach ($constraints as $constraint) {
                // infer flags for requirements that have an explicit -dev or -beta version specified but only
                // for those that are more unstable than the minimumStability or existing flags
                $reqVersion = preg_replace('{^([^,\s@]+) as .+$}', '$1', $constraint);
                if (preg_match('{^[^,\s@]+$}', $reqVersion) && 'stable' !== ($stabilityName = VersionParser::parseStability($reqVersion))) {
                    $name = strtolower($reqName);
                    $stability = $stabilities[$stabilityName];
                    if ((isset($stabilityFlags[$name]) && $stabilityFlags[$name] > $stability) || ($minimumStability > $stability)) {
                        continue;
                    }
                    $stabilityFlags[$name] = $stability;
                }
            }
        }

return $stabilityFlags;
    }

private function extractReferences(array $requires, array $references)
    {
        foreach ($requires as $reqName => $reqVersion) {
            $reqVersion = preg_replace('{^([^,\s@]+) as .+$}', '$1', $reqVersion);
            if (preg_match('{^[^,\s@]+?#([a-f0-9]+)$}', $reqVersion, $match) && 'dev' === VersionParser::parseStability($reqVersion)) {
                $name = strtolower($reqName);
                $references[$name] = $match[1];
            }
        }

return $references;
    }
}
<?php

namespace Composer\Package\Loader;

use Composer\Package\BasePackage;
use Composer\Semver\Constraint\Constraint;
use Composer\Package\Version\VersionParser;
use Composer\Repository\PlatformRepository;
use Composer\Spdx\SpdxLicenses;

/**
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class ValidatingArrayLoader implements LoaderInterface
{
    const CHECK_ALL = 3;
    const CHECK_UNBOUND_CONSTRAINTS = 1;
    const CHECK_STRICT_CONSTRAINTS = 2;

private $loader;
    private $versionParser;
    private $errors;
    private $warnings;
    private $config;
    private $strictName;
    private $flags;

public function __construct(LoaderInterface $loader, $strictName = true, VersionParser $parser = null, $flags = 0)
    {
        $this->loader = $loader;
        $this->versionParser = $parser ?: new VersionParser();
        $this->strictName = $strictName;
        $this->flags = $flags;
    }

public function load(array $config, $class = 'Composer\Package\CompletePackage')
    {
        $this->errors = array();
        $this->warnings = array();
        $this->config = $config;

if ($this->strictName) {
            $this->validateRegex('name', '[A-Za-z0-9][A-Za-z0-9_.-]*/[A-Za-z0-9][A-Za-z0-9_.-]*', true);
        } else {
            $this->validateString('name', true);
        }

if (!empty($this->config['version'])) {
            try {
                $this->versionParser->normalize($this->config['version']);
            } catch (\Exception $e) {
                $this->errors[] = 'version : invalid value ('.$this->config['version'].'): '.$e->getMessage();
                unset($this->config['version']);
            }
        }

if (!empty($this->config['config']['platform'])) {
            foreach ((array) $this->config['config']['platform'] as $key => $platform) {
                try {
                    $this->versionParser->normalize($platform);
                } catch (\Exception $e) {
                    $this->errors[] = 'config.platform.' . $key . ' : invalid value ('.$platform.'): '.$e->getMessage();
                }
            }
        }

$this->validateRegex('type', '[A-Za-z0-9-]+');
        $this->validateString('target-dir');
        $this->validateArray('extra');

if (isset($this->config['bin'])) {
            if (is_string($this->config['bin'])) {
                $this->validateString('bin');
            } else {
                $this->validateFlatArray('bin');
            }
        }

$this->validateArray('scripts'); // TODO validate event names & listener syntax
        $this->validateString('description');
        $this->validateUrl('homepage');
        $this->validateFlatArray('keywords', '[\p{N}\p{L} ._-]+');

$releaseDate = null;
        $this->validateString('time');
        if (!empty($this->config['time'])) {
            try {
                $releaseDate = new \DateTime($this->config['time'], new \DateTimeZone('UTC'));
            } catch (\Exception $e) {
                $this->errors[] = 'time : invalid value ('.$this->config['time'].'): '.$e->getMessage();
                unset($this->config['time']);
            }
        }

// check for license validity on newly updated branches
        if (isset($this->config['license']) && (!$releaseDate || $releaseDate->getTimestamp() >= strtotime('-8days'))) {
            if (is_array($this->config['license']) || is_string($this->config['license'])) {
                $licenses = (array) $this->config['license'];

// strip proprietary since it's not a valid SPDX identifier, but is accepted by composer
                foreach ($licenses as $key => $license) {
                    if ('proprietary' === $license) {
                        unset($licenses[$key]);
                    }
                }

$licenseValidator = new SpdxLicenses();
                if (count($licenses) === 1 && !$licenseValidator->validate($licenses) && $licenseValidator->validate(trim($licenses[0]))) {
                    $this->warnings[] = sprintf(
                        'License %s must not contain extra spaces, make sure to trim it.',
                        json_encode($this->config['license'])
                    );
                } elseif (array() !== $licenses && !$licenseValidator->validate($licenses)) {
                    $this->warnings[] = sprintf(
                        'License %s is not a valid SPDX license identifier, see https://spdx.org/licenses/ if you use an open license.' . PHP_EOL .
                        'If the software is closed-source, you may use "proprietary" as license.',
                        json_encode($this->config['license'])
                    );
                }
            }
        }

if ($this->validateArray('authors') && !empty($this->config['authors'])) {
            foreach ($this->config['authors'] as $key => $author) {
                if (!is_array($author)) {
                    $this->errors[] = 'authors.'.$key.' : should be an array, '.gettype($author).' given';
                    unset($this->config['authors'][$key]);
                    continue;
                }
                foreach (array('homepage', 'email', 'name', 'role') as $authorData) {
                    if (isset($author[$authorData]) && !is_string($author[$authorData])) {
                        $this->errors[] = 'authors.'.$key.'.'.$authorData.' : invalid value, must be a string';
                        unset($this->config['authors'][$key][$authorData]);
                    }
                }
                if (isset($author['homepage']) && !$this->filterUrl($author['homepage'])) {
                    $this->warnings[] = 'authors.'.$key.'.homepage : invalid value ('.$author['homepage'].'), must be an http/https URL';
                    unset($this->config['authors'][$key]['homepage']);
                }
                if (isset($author['email']) && !filter_var($author['email'], FILTER_VALIDATE_EMAIL)) {
                    $this->warnings[] = 'authors.'.$key.'.email : invalid value ('.$author['email'].'), must be a valid email address';
                    unset($this->config['authors'][$key]['email']);
                }
                if (empty($this->config['authors'][$key])) {
                    unset($this->config['authors'][$key]);
                }
            }
            if (empty($this->config['authors'])) {
                unset($this->config['authors']);
            }
        }

if ($this->validateArray('support') && !empty($this->config['support'])) {
            foreach (array('issues', 'forum', 'wiki', 'source', 'email', 'irc', 'docs', 'rss', 'chat') as $key) {
                if (isset($this->config['support'][$key]) && !is_string($this->config['support'][$key])) {
                    $this->errors[] = 'support.'.$key.' : invalid value, must be a string';
                    unset($this->config['support'][$key]);
                }
            }

if (isset($this->config['support']['email']) && !filter_var($this->config['support']['email'], FILTER_VALIDATE_EMAIL)) {
                $this->warnings[] = 'support.email : invalid value ('.$this->config['support']['email'].'), must be a valid email address';
                unset($this->config['support']['email']);
            }

if (isset($this->config['support']['irc']) && !$this->filterUrl($this->config['support']['irc'], array('irc'))) {
                $this->warnings[] = 'support.irc : invalid value ('.$this->config['support']['irc'].'), must be a irc://<server>/<channel> URL';
                unset($this->config['support']['irc']);
            }

foreach (array('issues', 'forum', 'wiki', 'source', 'docs', 'chat') as $key) {
                if (isset($this->config['support'][$key]) && !$this->filterUrl($this->config['support'][$key])) {
                    $this->warnings[] = 'support.'.$key.' : invalid value ('.$this->config['support'][$key].'), must be an http/https URL';
                    unset($this->config['support'][$key]);
                }
            }
            if (empty($this->config['support'])) {
                unset($this->config['support']);
            }
        }

$unboundConstraint = new Constraint('=', $this->versionParser->normalize('dev-master'));
        $stableConstraint = new Constraint('=', '1.0.0');

foreach (array_keys(BasePackage::$supportedLinkTypes) as $linkType) {
            if ($this->validateArray($linkType) && isset($this->config[$linkType])) {
                foreach ($this->config[$linkType] as $package => $constraint) {
                    if (!preg_match('{^[A-Za-z0-9_./-]+$}', $package)) {
                        $this->warnings[] = $linkType.'.'.$package.' : invalid key, package names must be strings containing only [A-Za-z0-9_./-]';
                    }
                    if (!is_string($constraint)) {
                        $this->errors[] = $linkType.'.'.$package.' : invalid value, must be a string containing a version constraint';
                        unset($this->config[$linkType][$package]);
                    } elseif ('self.version' !== $constraint) {
                        try {
                            $linkConstraint = $this->versionParser->parseConstraints($constraint);
                        } catch (\Exception $e) {
                            $this->errors[] = $linkType.'.'.$package.' : invalid version constraint ('.$e->getMessage().')';
                            unset($this->config[$linkType][$package]);
                            continue;
                        }

// check requires for unbound constraints on non-platform packages
                        if (
                            ($this->flags & self::CHECK_UNBOUND_CONSTRAINTS)
                            && 'require' === $linkType
                            && $linkConstraint->matches($unboundConstraint)
                            && !preg_match(PlatformRepository::PLATFORM_PACKAGE_REGEX, $package)
                        ) {
                            $this->warnings[] = $linkType.'.'.$package.' : unbound version constraints ('.$constraint.') should be avoided';
                        } elseif (
                            // check requires for exact constraints
                            ($this->flags & self::CHECK_STRICT_CONSTRAINTS)
                            && 'require' === $linkType
                            && substr($linkConstraint, 0, 1) === '='
                            && $stableConstraint->versionCompare($stableConstraint, $linkConstraint, '<=')
                        ) {
                            $this->warnings[] = $linkType.'.'.$package.' : exact version constraints ('.$constraint.') should be avoided if the package follows semantic versioning';
                        }
                    }
                }
            }
        }

if ($this->validateArray('suggest') && !empty($this->config['suggest'])) {
            foreach ($this->config['suggest'] as $package => $description) {
                if (!is_string($description)) {
                    $this->errors[] = 'suggest.'.$package.' : invalid value, must be a string describing why the package is suggested';
                    unset($this->config['suggest'][$package]);
                }
            }
        }

if ($this->validateString('minimum-stability') && !empty($this->config['minimum-stability'])) {
            if (!isset(BasePackage::$stabilities[$this->config['minimum-stability']])) {
                $this->errors[] = 'minimum-stability : invalid value ('.$this->config['minimum-stability'].'), must be one of '.implode(', ', array_keys(BasePackage::$stabilities));
                unset($this->config['minimum-stability']);
            }
        }

if ($this->validateArray('autoload') && !empty($this->config['autoload'])) {
            $types = array('psr-0', 'psr-4', 'classmap', 'files', 'exclude-from-classmap');
            foreach ($this->config['autoload'] as $type => $typeConfig) {
                if (!in_array($type, $types)) {
                    $this->errors[] = 'autoload : invalid value ('.$type.'), must be one of '.implode(', ', $types);
                    unset($this->config['autoload'][$type]);
                }
                if ($type === 'psr-4') {
                    foreach ($typeConfig as $namespace => $dirs) {
                        if ($namespace !== '' && '\\' !== substr($namespace, -1)) {
                            $this->errors[] = 'autoload.psr-4 : invalid value ('.$namespace.'), namespaces must end with a namespace separator, should be '.$namespace.'\\\\';
                        }
                    }
                }
            }
        }

if (!empty($this->config['autoload']['psr-4']) && !empty($this->config['target-dir'])) {
            $this->errors[] = 'target-dir : this can not be used together with the autoload.psr-4 setting, remove target-dir to upgrade to psr-4';
            // Unset the psr-4 setting, since unsetting target-dir might
            // interfere with other settings.
            unset($this->config['autoload']['psr-4']);
        }

// TODO validate dist
        // TODO validate source

// TODO validate repositories
        // TODO validate package repositories' packages using this recursively

$this->validateFlatArray('include-path');
        $this->validateArray('transport-options');

// branch alias validation
        if (isset($this->config['extra']['branch-alias'])) {
            if (!is_array($this->config['extra']['branch-alias'])) {
                $this->errors[] = 'extra.branch-alias : must be an array of versions => aliases';
            } else {
                foreach ($this->config['extra']['branch-alias'] as $sourceBranch => $targetBranch) {
                    // ensure it is an alias to a -dev package
                    if ('-dev' !== substr($targetBranch, -4)) {
                        $this->warnings[] = 'extra.branch-alias.'.$sourceBranch.' : the target branch ('.$targetBranch.') must end in -dev';
                        unset($this->config['extra']['branch-alias'][$sourceBranch]);

continue;
                    }

// normalize without -dev and ensure it's a numeric branch that is parseable
                    $validatedTargetBranch = $this->versionParser->normalizeBranch(substr($targetBranch, 0, -4));
                    if ('-dev' !== substr($validatedTargetBranch, -4)) {
                        $this->warnings[] = 'extra.branch-alias.'.$sourceBranch.' : the target branch ('.$targetBranch.') must be a parseable number like 2.0-dev';
                        unset($this->config['extra']['branch-alias'][$sourceBranch]);

continue;
                    }

// If using numeric aliases ensure the alias is a valid subversion
                    if (($sourcePrefix = $this->versionParser->parseNumericAliasPrefix($sourceBranch))
                        && ($targetPrefix = $this->versionParser->parseNumericAliasPrefix($targetBranch))
                        && (stripos($targetPrefix, $sourcePrefix) !== 0)
                    ) {
                        $this->warnings[] = 'extra.branch-alias.'.$sourceBranch.' : the target branch ('.$targetBranch.') is not a valid numeric alias for this version';
                        unset($this->config['extra']['branch-alias'][$sourceBranch]);
                    }
                }
            }
        }

if ($this->errors) {
            throw new InvalidPackageException($this->errors, $this->warnings, $config);
        }

$package = $this->loader->load($this->config, $class);
        $this->config = null;

return $package;
    }

public function getWarnings()
    {
        return $this->warnings;
    }

public function getErrors()
    {
        return $this->errors;
    }

private function validateRegex($property, $regex, $mandatory = false)
    {
        if (!$this->validateString($property, $mandatory)) {
            return false;
        }

if (!preg_match('{^'.$regex.'$}u', $this->config[$property])) {
            $message = $property.' : invalid value ('.$this->config[$property].'), must match '.$regex;
            if ($mandatory) {
                $this->errors[] = $message;
            } else {
                $this->warnings[] = $message;
            }
            unset($this->config[$property]);

return false;
        }

return true;
    }

private function validateString($property, $mandatory = false)
    {
        if (isset($this->config[$property]) && !is_string($this->config[$property])) {
            $this->errors[] = $property.' : should be a string, '.gettype($this->config[$property]).' given';
            unset($this->config[$property]);

return false;
        }

if (!isset($this->config[$property]) || trim($this->config[$property]) === '') {
            if ($mandatory) {
                $this->errors[] = $property.' : must be present';
            }
            unset($this->config[$property]);

return false;
        }

return true;
    }

private function validateArray($property, $mandatory = false)
    {
        if (isset($this->config[$property]) && !is_array($this->config[$property])) {
            $this->errors[] = $property.' : should be an array, '.gettype($this->config[$property]).' given';
            unset($this->config[$property]);

return false;
        }

if (!isset($this->config[$property]) || !count($this->config[$property])) {
            if ($mandatory) {
                $this->errors[] = $property.' : must be present and contain at least one element';
            }
            unset($this->config[$property]);

return false;
        }

return true;
    }

private function validateFlatArray($property, $regex = null, $mandatory = false)
    {
        if (!$this->validateArray($property, $mandatory)) {
            return false;
        }

$pass = true;
        foreach ($this->config[$property] as $key => $value) {
            if (!is_string($value) && !is_numeric($value)) {
                $this->errors[] = $property.'.'.$key.' : must be a string or int, '.gettype($value).' given';
                unset($this->config[$property][$key]);
                $pass = false;

continue;
            }

if ($regex && !preg_match('{^'.$regex.'$}u', $value)) {
                $this->warnings[] = $property.'.'.$key.' : invalid value ('.$value.'), must match '.$regex;
                unset($this->config[$property][$key]);
                $pass = false;
            }
        }

return $pass;
    }

private function validateUrl($property, $mandatory = false)
    {
        if (!$this->validateString($property, $mandatory)) {
            return false;
        }

if (!$this->filterUrl($this->config[$property])) {
            $this->warnings[] = $property.' : invalid value ('.$this->config[$property].'), must be an http/https URL';
            unset($this->config[$property]);

return false;
        }

return true;
    }

private function filterUrl($value, array $schemes = array('http', 'https'))
    {
        if ($value === '') {
            return true;
        }

$bits = parse_url($value);
        if (empty($bits['scheme']) || empty($bits['host'])) {
            return false;
        }

if (!in_array($bits['scheme'], $schemes, true)) {
            return false;
        }

return true;
    }
}
<?php

namespace Composer\Package\Comparer;

/**
 * class Comparer
 *
 * @author Hector Prats <hectorpratsortega@gmail.com>
 */
class Comparer
{
    private $source;
    private $update;
    private $changed;

public function setSource($source)
    {
        $this->source = $source;
    }

public function setUpdate($update)
    {
        $this->update = $update;
    }

public function getChanged($toString = false, $explicated = false)
    {
        $changed = $this->changed;
        if (!count($changed)) {
            return false;
        }
        if ($explicated) {
            foreach ($changed as $sectionKey => $itemSection) {
                foreach ($itemSection as $itemKey => $item) {
                    $changed[$sectionKey][$itemKey] = $item.' ('.$sectionKey.')';
                }
            }
        }

if ($toString) {
            foreach ($changed as $sectionKey => $itemSection) {
                foreach ($itemSection as $itemKey => $item) {
                    $changed['string'][] = $item."\r\n";
                }
            }
            $changed = implode("\r\n", $changed['string']);
        }

return $changed;
    }

public function doCompare()
    {
        $source = array();
        $destination = array();
        $this->changed = array();
        $currentDirectory = getcwd();
        chdir($this->source);
        $source = $this->doTree('.', $source);
        if (!is_array($source)) {
            return;
        }
        chdir($currentDirectory);
        chdir($this->update);
        $destination = $this->doTree('.', $destination);
        if (!is_array($destination)) {
            exit;
        }
        chdir($currentDirectory);
        foreach ($source as $dir => $value) {
            foreach ($value as $file => $hash) {
                if (isset($destination[$dir][$file])) {
                    if ($hash !== $destination[$dir][$file]) {
                        $this->changed['changed'][] = $dir.'/'.$file;
                    }
                } else {
                    $this->changed['removed'][] = $dir.'/'.$file;
                }
            }
        }
        foreach ($destination as $dir => $value) {
            foreach ($value as $file => $hash) {
                if (!isset($source[$dir][$file])) {
                    $this->changed['added'][] = $dir.'/'.$file;
                }
            }
        }
    }

private function doTree($dir, &$array)
    {
        if ($dh = opendir($dir)) {
            while ($file = readdir($dh)) {
                if ($file !== '.' && $file !== '..') {
                    if (is_dir($dir.'/'.$file)) {
                        if (!count($array)) {
                            $array[0] = 'Temp';
                        }
                        if (!$this->doTree($dir.'/'.$file, $array)) {
                            return false;
                        }
                    } else {
                        if (filesize($dir.'/'.$file)) {
                            set_time_limit(30);
                            $array[$dir][$file] = md5_file($dir.'/'.$file);
                        }
                    }
                }
            }
            if (count($array) > 1 && isset($array['0'])) {
                unset($array['0']);
            }

return $array;
        }

return false;
    }
}
<?php

namespace Composer\Package;

/**
 * Package containing additional metadata that is not used by the solver
 *
 * @author Nils Adermann <naderman@naderman.de>
 */
class CompletePackage extends Package implements CompletePackageInterface
{
    protected $repositories;
    protected $license = array();
    protected $keywords;
    protected $authors;
    protected $description;
    protected $homepage;
    protected $scripts = array();
    protected $support = array();
    protected $abandoned = false;

/**
     * @param array $scripts
     */
    public function setScripts(array $scripts)
    {
        $this->scripts = $scripts;
    }

/**
     * {@inheritDoc}
     */
    public function getScripts()
    {
        return $this->scripts;
    }

/**
     * Set the repositories
     *
     * @param array $repositories
     */
    public function setRepositories($repositories)
    {
        $this->repositories = $repositories;
    }

/**
     * {@inheritDoc}
     */
    public function getRepositories()
    {
        return $this->repositories;
    }

/**
     * Set the license
     *
     * @param array $license
     */
    public function setLicense(array $license)
    {
        $this->license = $license;
    }

/**
     * {@inheritDoc}
     */
    public function getLicense()
    {
        return $this->license;
    }

/**
     * Set the keywords
     *
     * @param array $keywords
     */
    public function setKeywords(array $keywords)
    {
        $this->keywords = $keywords;
    }

/**
     * {@inheritDoc}
     */
    public function getKeywords()
    {
        return $this->keywords;
    }

/**
     * Set the authors
     *
     * @param array $authors
     */
    public function setAuthors(array $authors)
    {
        $this->authors = $authors;
    }

/**
     * {@inheritDoc}
     */
    public function getAuthors()
    {
        return $this->authors;
    }

/**
     * Set the description
     *
     * @param string $description
     */
    public function setDescription($description)
    {
        $this->description = $description;
    }

/**
     * {@inheritDoc}
     */
    public function getDescription()
    {
        return $this->description;
    }

/**
     * Set the homepage
     *
     * @param string $homepage
     */
    public function setHomepage($homepage)
    {
        $this->homepage = $homepage;
    }

/**
     * {@inheritDoc}
     */
    public function getHomepage()
    {
        return $this->homepage;
    }

/**
     * Set the support information
     *
     * @param array $support
     */
    public function setSupport(array $support)
    {
        $this->support = $support;
    }

/**
     * {@inheritDoc}
     */
    public function getSupport()
    {
        return $this->support;
    }

/**
     * @return bool
     */
    public function isAbandoned()
    {
        return (bool) $this->abandoned;
    }

/**
     * @param bool|string $abandoned
     */
    public function setAbandoned($abandoned)
    {
        $this->abandoned = $abandoned;
    }

/**
     * If the package is abandoned and has a suggested replacement, this method returns it
     *
     * @return string|null
     */
    public function getReplacementPackage()
    {
        return is_string($this->abandoned) ? $this->abandoned : null;
    }
}
<?php

namespace Composer\Package;

/**
 * The root package represents the project's composer.json and contains additional metadata
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class RootPackage extends CompletePackage implements RootPackageInterface
{
    protected $minimumStability = 'stable';
    protected $preferStable = false;
    protected $stabilityFlags = array();
    protected $config = array();
    protected $references = array();
    protected $aliases = array();

/**
     * Set the minimumStability
     *
     * @param string $minimumStability
     */
    public function setMinimumStability($minimumStability)
    {
        $this->minimumStability = $minimumStability;
    }

/**
     * {@inheritDoc}
     */
    public function getMinimumStability()
    {
        return $this->minimumStability;
    }

/**
     * Set the stabilityFlags
     *
     * @param array $stabilityFlags
     */
    public function setStabilityFlags(array $stabilityFlags)
    {
        $this->stabilityFlags = $stabilityFlags;
    }

/**
     * {@inheritDoc}
     */
    public function getStabilityFlags()
    {
        return $this->stabilityFlags;
    }

/**
     * Set the preferStable
     *
     * @param bool $preferStable
     */
    public function setPreferStable($preferStable)
    {
        $this->preferStable = $preferStable;
    }

/**
     * {@inheritDoc}
     */
    public function getPreferStable()
    {
        return $this->preferStable;
    }

/**
     * Set the config
     *
     * @param array $config
     */
    public function setConfig(array $config)
    {
        $this->config = $config;
    }

/**
     * {@inheritDoc}
     */
    public function getConfig()
    {
        return $this->config;
    }

/**
     * Set the references
     *
     * @param array $references
     */
    public function setReferences(array $references)
    {
        $this->references = $references;
    }

/**
     * {@inheritDoc}
     */
    public function getReferences()
    {
        return $this->references;
    }

/**
     * Set the aliases
     *
     * @param array $aliases
     */
    public function setAliases(array $aliases)
    {
        $this->aliases = $aliases;
    }

/**
     * {@inheritDoc}
     */
    public function getAliases()
    {
        return $this->aliases;
    }
}
<?php

namespace Composer\Package;

use Composer\Repository\RepositoryInterface;
use Composer\Repository\PlatformRepository;

/**
 * Base class for packages providing name storage and default match implementation
 *
 * @author Nils Adermann <naderman@naderman.de>
 */
abstract class BasePackage implements PackageInterface
{
    public static $supportedLinkTypes = array(
        'require' => array('description' => 'requires', 'method' => 'requires'),
        'conflict' => array('description' => 'conflicts', 'method' => 'conflicts'),
        'provide' => array('description' => 'provides', 'method' => 'provides'),
        'replace' => array('description' => 'replaces', 'method' => 'replaces'),
        'require-dev' => array('description' => 'requires (for development)', 'method' => 'devRequires'),
    );

const STABILITY_STABLE = 0;
    const STABILITY_RC = 5;
    const STABILITY_BETA = 10;
    const STABILITY_ALPHA = 15;
    const STABILITY_DEV = 20;

public static $stabilities = array(
        'stable' => self::STABILITY_STABLE,
        'RC' => self::STABILITY_RC,
        'beta' => self::STABILITY_BETA,
        'alpha' => self::STABILITY_ALPHA,
        'dev' => self::STABILITY_DEV,
    );

/**
     * READ-ONLY: The package id, public for fast access in dependency solver
     * @var int
     */
    public $id;
    /** @var string */
    protected $name;
    /** @var string */
    protected $prettyName;
    /** @var RepositoryInterface */
    protected $repository;
    /** @var array */
    protected $transportOptions = array();

/**
     * All descendants' constructors should call this parent constructor
     *
     * @param string $name The package's name
     */
    public function __construct($name)
    {
        $this->prettyName = $name;
        $this->name = strtolower($name);
        $this->id = -1;
    }

/**
     * {@inheritDoc}
     */
    public function getName()
    {
        return $this->name;
    }

/**
     * {@inheritDoc}
     */
    public function getPrettyName()
    {
        return $this->prettyName;
    }

/**
     * {@inheritDoc}
     */
    public function getNames()
    {
        $names = array(
            $this->getName() => true,
        );

foreach ($this->getProvides() as $link) {
            $names[$link->getTarget()] = true;
        }

foreach ($this->getReplaces() as $link) {
            $names[$link->getTarget()] = true;
        }

return array_keys($names);
    }

/**
     * {@inheritDoc}
     */
    public function setId($id)
    {
        $this->id = $id;
    }

/**
     * {@inheritDoc}
     */
    public function getId()
    {
        return $this->id;
    }

/**
     * {@inheritDoc}
     */
    public function setRepository(RepositoryInterface $repository)
    {
        if ($this->repository && $repository !== $this->repository) {
            throw new \LogicException('A package can only be added to one repository');
        }
        $this->repository = $repository;
    }

/**
     * {@inheritDoc}
     */
    public function getRepository()
    {
        return $this->repository;
    }

/**
     * {@inheritDoc}
     */
    public function getTransportOptions()
    {
        return $this->transportOptions;
    }

/**
     * Configures the list of options to download package dist files
     *
     * @param array $options
     */
    public function setTransportOptions(array $options)
    {
        $this->transportOptions = $options;
    }

/**
     * checks if this package is a platform package
     *
     * @return bool
     */
    public function isPlatform()
    {
        return $this->getRepository() instanceof PlatformRepository;
    }

/**
     * Returns package unique name, constructed from name, version and release type.
     *
     * @return string
     */
    public function getUniqueName()
    {
        return $this->getName().'-'.$this->getVersion();
    }

public function equals(PackageInterface $package)
    {
        $self = $this;
        if ($this instanceof AliasPackage) {
            $self = $this->getAliasOf();
        }
        if ($package instanceof AliasPackage) {
            $package = $package->getAliasOf();
        }

return $package === $self;
    }

/**
     * Converts the package into a readable and unique string
     *
     * @return string
     */
    public function __toString()
    {
        return $this->getUniqueName();
    }

public function getPrettyString()
    {
        return $this->getPrettyName().' '.$this->getPrettyVersion();
    }

/**
     * {@inheritDoc}
     */
    public function getFullPrettyVersion($truncate = true)
    {
        if (!$this->isDev() || !in_array($this->getSourceType(), array('hg', 'git'))) {
            return $this->getPrettyVersion();
        }

// if source reference is a sha1 hash -- truncate
        if ($truncate && strlen($this->getSourceReference()) === 40) {
            return $this->getPrettyVersion() . ' ' . substr($this->getSourceReference(), 0, 7);
        }

return $this->getPrettyVersion() . ' ' . $this->getSourceReference();
    }

public function getStabilityPriority()
    {
        return self::$stabilities[$this->getStability()];
    }

public function __clone()
    {
        $this->repository = null;
        $this->id = -1;
    }

/**
     * Build a regexp from a package name, expanding * globs as required
     *
     * @param  string $whiteListedPattern
     * @return string
     */
    public static function packageNameToRegexp($whiteListedPattern)
    {
        $cleanedWhiteListedPattern = str_replace('\\*', '.*', preg_quote($whiteListedPattern));

return "{^" . $cleanedWhiteListedPattern . "$}i";
    }
}
<?php

namespace Composer\Package;

use Composer\Semver\Constraint\Constraint;
use Composer\Package\Version\VersionParser;

/**
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class AliasPackage extends BasePackage implements CompletePackageInterface
{
    protected $version;
    protected $prettyVersion;
    protected $dev;
    protected $rootPackageAlias = false;
    protected $stability;

/** @var PackageInterface */
    protected $aliasOf;
    /** @var Link[] */
    protected $requires;
    /** @var Link[] */
    protected $devRequires;
    /** @var Link[] */
    protected $conflicts;
    /** @var Link[] */
    protected $provides;
    /** @var Link[] */
    protected $replaces;

/**
     * All descendants' constructors should call this parent constructor
     *
     * @param PackageInterface $aliasOf       The package this package is an alias of
     * @param string           $version       The version the alias must report
     * @param string           $prettyVersion The alias's non-normalized version
     */
    public function __construct(PackageInterface $aliasOf, $version, $prettyVersion)
    {
        parent::__construct($aliasOf->getName());

$this->version = $version;
        $this->prettyVersion = $prettyVersion;
        $this->aliasOf = $aliasOf;
        $this->stability = VersionParser::parseStability($version);
        $this->dev = $this->stability === 'dev';

foreach (array('requires', 'devRequires', 'conflicts', 'provides', 'replaces') as $type) {
            $links = $aliasOf->{'get' . ucfirst($type)}();
            $this->$type = $this->replaceSelfVersionDependencies($links, $type);
        }
    }

/**
     * @return PackageInterface
     */
    public function getAliasOf()
    {
        return $this->aliasOf;
    }