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[READ-ONLY] Subtree split of the Symfony ClassLoader Component -- clone into Symfony/Component/ (master at symfony/symfony)
PHP

Merge branch '2.8'

* 2.8: (65 commits)
  [VarDumper] Fix tests for HHVM
  Update DateTimeToArrayTransformer.php
  Mock microtime() and time() in transient tests
  Azerbaijani language pluralization rule
  Move HHVM tests out of the allowed failures
  Fix merge
  [2.6] Towards 100% HHVM compat
  [Security/Http] Fix test
  [Stopwatch] Fix test
  Minor fixes
  [Validator] Added missing error codes and turned codes into UUIDs
  Towards 100% HHVM compat
  Warmup twig templates in non-standard paths (closes #12507)
  [Bridge/PhpUnit] Enforce a consistent locale
  Fix param order of assertEquals (expected, actual) in test for Finder\Glob
  Fix choice translation domain for expanded choice widget
  unify default AccessDeniedExeption message
  trigger event with right user (add test)
  [Security] Initialize SwitchUserEvent::targetUser on attemptExitUser
  fixed CS
  ...

Conflicts:
	UPGRADE-2.8.md
	src/Symfony/Bridge/ProxyManager/composer.json
	src/Symfony/Bundle/FrameworkBundle/Console/Descriptor/JsonDescriptor.php
	src/Symfony/Bundle/FrameworkBundle/Console/Descriptor/MarkdownDescriptor.php
	src/Symfony/Bundle/FrameworkBundle/Console/Descriptor/TextDescriptor.php
	src/Symfony/Bundle/FrameworkBundle/Console/Descriptor/XmlDescriptor.php
	src/Symfony/Bundle/FrameworkBundle/Controller/Controller.php
	src/Symfony/Bundle/FrameworkBundle/Resources/config/old_assets.xml
	src/Symfony/Bundle/FrameworkBundle/Resources/config/test.xml
	src/Symfony/Bundle/FrameworkBundle/Resources/config/validator.xml
	src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/FrameworkExtensionTest.php
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/builder_1_public.json
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/builder_1_public.md
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/builder_1_public.xml
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/builder_1_services.json
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/builder_1_services.md
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/builder_1_services.xml
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/builder_1_tag1.json
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/builder_1_tag1.md
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/builder_1_tag1.xml
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/builder_1_tags.json
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/builder_1_tags.md
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/builder_1_tags.xml
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/definition_1.json
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/definition_1.md
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/definition_1.txt
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/definition_1.xml
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/definition_2.json
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/definition_2.md
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/definition_2.txt
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/definition_2.xml
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/legacy_synchronized_service_definition_1.json
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/legacy_synchronized_service_definition_1.md
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/legacy_synchronized_service_definition_1.txt
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/legacy_synchronized_service_definition_1.xml
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/legacy_synchronized_service_definition_2.json
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/legacy_synchronized_service_definition_2.md
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/legacy_synchronized_service_definition_2.txt
	src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/legacy_synchronized_service_definition_2.xml
	src/Symfony/Bundle/SecurityBundle/Tests/Functional/Bundle/CsrfFormLoginBundle/Form/UserLoginFormType.php
	src/Symfony/Bundle/SecurityBundle/Tests/Functional/app/CsrfFormLogin/config.yml
	src/Symfony/Bundle/SecurityBundle/composer.json
	src/Symfony/Component/Debug/ErrorHandler.php
	src/Symfony/Component/DependencyInjection/Compiler/CheckDefinitionValidityPass.php
	src/Symfony/Component/DependencyInjection/Compiler/InlineServiceDefinitionsPass.php
	src/Symfony/Component/DependencyInjection/Definition.php
	src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
	src/Symfony/Component/DependencyInjection/Dumper/XmlDumper.php
	src/Symfony/Component/DependencyInjection/Loader/XmlFileLoader.php
	src/Symfony/Component/DependencyInjection/Loader/YamlFileLoader.php
	src/Symfony/Component/DependencyInjection/Tests/ContainerTest.php
	src/Symfony/Component/DependencyInjection/Tests/Fixtures/containers/legacy-container9.php
	src/Symfony/Component/DependencyInjection/Tests/Fixtures/graphviz/legacy-services9.dot
	src/Symfony/Component/DependencyInjection/Tests/Fixtures/xml/legacy-services6.xml
	src/Symfony/Component/DependencyInjection/Tests/Fixtures/xml/legacy-services9.xml
	src/Symfony/Component/DependencyInjection/Tests/Fixtures/yaml/legacy-services6.yml
	src/Symfony/Component/DependencyInjection/Tests/Fixtures/yaml/legacy-services9.yml
	src/Symfony/Component/DependencyInjection/Tests/Loader/XmlFileLoaderTest.php
	src/Symfony/Component/DependencyInjection/Tests/Loader/YamlFileLoaderTest.php
	src/Symfony/Component/Form/ResolvedFormType.php
	src/Symfony/Component/Form/Tests/CompoundFormTest.php
	src/Symfony/Component/Process/Tests/AbstractProcessTest.php
	src/Symfony/Component/VarDumper/Tests/CliDumperTest.php
	src/Symfony/Component/VarDumper/Tests/HtmlDumperTest.php

README.md

ClassLoader Component

ClassLoader loads your project classes automatically if they follow some standard PHP conventions.

The ClassLoader object is able to autoload classes that implement the PSR-0 standard or the PEAR naming convention.

First, register the autoloader:

require_once __DIR__.'/src/Symfony/Component/ClassLoader/ClassLoader.php';

use Symfony\Component\ClassLoader\ClassLoader;

$loader = new ClassLoader();
$loader->register();

Then, register some namespaces with the addPrefix() method:

$loader->addPrefix('Symfony', __DIR__.'/src');
$loader->addPrefix('Monolog', __DIR__.'/vendor/monolog/src');

The addPrefix() method takes a namespace prefix and a path where to look for the classes as arguments.

You can also register a sub-namespaces:

$loader->addPrefix('Doctrine\\Common', __DIR__.'/vendor/doctrine-common/lib');

The order of registration is significant and the first registered namespace takes precedence over later registered one.

You can also register more than one path for a given namespace:

$loader->addPrefix('Symfony', array(__DIR__.'/src', __DIR__.'/symfony/src'));

Alternatively, you can use the addPrefixes() method to register more than one namespace at once:

$loader->addPrefixes(array(
    'Symfony' => array(__DIR__.'/src', __DIR__.'/symfony/src'),
    'Doctrine\\Common' => __DIR__.'/vendor/doctrine-common/lib',
    'Doctrine' => __DIR__.'/vendor/doctrine/lib',
    'Monolog' => __DIR__.'/vendor/monolog/src',
));

For better performance, you can use the APC class loader:

require_once __DIR__.'/src/Symfony/Component/ClassLoader/ClassLoader.php';
require_once __DIR__.'/src/Symfony/Component/ClassLoader/ApcClassLoader.php';

use Symfony\Component\ClassLoader\ClassLoader;
use Symfony\Component\ClassLoader\ApcClassLoader;

$loader = new ClassLoader();
$loader->addPrefix('Symfony', __DIR__.'/src');

$loader = new ApcClassLoader('apc.prefix.', $loader);
$loader->register();

Furthermore, the component provides tools to aggregate classes into a single file, which is especially useful to improve performance on servers that do not provide byte caches.

Resources

You can run the unit tests with the following command:

$ cd path/to/Symfony/Component/ClassLoader/
$ composer install
$ phpunit
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