Namespaces - Drupal 11.1.x - Drupal Core

Introduction to namespaces

PHP classes, interfaces, and traits in Drupal are namespaced. See the Objected-oriented programming conventions for more information.

See also

Objected-oriented programming conventions

File

core/core.api.php, line 1534

Namespace
Symfony\Component\CssSelector\Node
Symfony\Component\CssSelector\Parser
Symfony\Component\CssSelector\Parser\Handler
Symfony\Component\CssSelector\Parser\Shortcut
Symfony\Component\CssSelector\Parser\Tokenizer
Symfony\Component\CssSelector\XPath
Symfony\Component\CssSelector\XPath\Extension
Symfony\Component\DependencyInjection
Symfony\Component\DependencyInjection\Argument
Symfony\Component\DependencyInjection\Attribute
Symfony\Component\DependencyInjection\Compiler
Symfony\Component\DependencyInjection\Config
Symfony\Component\DependencyInjection\Dumper
Symfony\Component\DependencyInjection\Exception
Symfony\Component\DependencyInjection\Extension
Symfony\Component\DependencyInjection\LazyProxy\Instantiator
Symfony\Component\DependencyInjection\LazyProxy\PhpDumper
Symfony\Component\DependencyInjection\Loader
Symfony\Component\DependencyInjection\Loader\Configurator
Symfony\Component\DependencyInjection\Loader\Configurator\Traits
Symfony\Component\DependencyInjection\ParameterBag
Symfony\Component\DomCrawler
Symfony\Component\DomCrawler\Field
Symfony\Component\DomCrawler\Test\Constraint
Symfony\Component\ErrorHandler
Symfony\Component\ErrorHandler\Error
Symfony\Component\ErrorHandler\ErrorEnhancer
Symfony\Component\ErrorHandler\ErrorRenderer
Symfony\Component\ErrorHandler\Exception
Symfony\Component\ErrorHandler\Internal
Symfony\Component\EventDispatcher
Symfony\Component\EventDispatcher\Attribute
Symfony\Component\EventDispatcher\Debug
Symfony\Component\EventDispatcher\DependencyInjection
Symfony\Component\Filesystem
Symfony\Component\Filesystem\Exception
Symfony\Component\Finder
Symfony\Component\Finder\Comparator
Symfony\Component\Finder\Exception
Symfony\Component\Finder\Iterator
Symfony\Component\HttpFoundation
Symfony\Component\HttpFoundation\Exception
Symfony\Component\HttpFoundation\File
Symfony\Component\HttpFoundation\File\Exception
Symfony\Component\HttpFoundation\RateLimiter
Symfony\Component\HttpFoundation\RequestMatcher
Symfony\Component\HttpFoundation\Session
Symfony\Component\HttpFoundation\Session\Attribute
Symfony\Component\HttpFoundation\Session\Flash
Symfony\Component\HttpFoundation\Session\Storage