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\HttpFoundation\Session\Storage\Handler
Symfony\Component\HttpFoundation\Session\Storage\Proxy
Symfony\Component\HttpFoundation\Test\Constraint
Symfony\Component\HttpKernel
Symfony\Component\HttpKernel\Attribute
Symfony\Component\HttpKernel\Bundle
Symfony\Component\HttpKernel\CacheClearer
Symfony\Component\HttpKernel\CacheWarmer
Symfony\Component\HttpKernel\Config
Symfony\Component\HttpKernel\Controller
Symfony\Component\HttpKernel\ControllerMetadata
Symfony\Component\HttpKernel\Controller\ArgumentResolver
Symfony\Component\HttpKernel\DataCollector
Symfony\Component\HttpKernel\Debug
Symfony\Component\HttpKernel\DependencyInjection
Symfony\Component\HttpKernel\Event
Symfony\Component\HttpKernel\EventListener
Symfony\Component\HttpKernel\Exception
Symfony\Component\HttpKernel\Fragment
Symfony\Component\HttpKernel\HttpCache
Symfony\Component\HttpKernel\Log
Symfony\Component\HttpKernel\Profiler
Symfony\Component\Lock
Symfony\Component\Lock\Exception
Symfony\Component\Lock\Store
Symfony\Component\Lock\Strategy
Symfony\Component\Mailer
Symfony\Component\Mailer\Command
Symfony\Component\Mailer\DataCollector
Symfony\Component\Mailer\Event
Symfony\Component\Mailer\EventListener
Symfony\Component\Mailer\Exception
Symfony\Component\Mailer\Header
Symfony\Component\Mailer\Messenger
Symfony\Component\Mailer\Test
Symfony\Component\Mailer\Test\Constraint
Symfony\Component\Mailer\Transport
Symfony\Component\Mailer\Transport\Smtp
Symfony\Component\Mailer\Transport\Smtp\Auth
Symfony\Component\Mailer\Transport\Smtp\Stream
Symfony\Component\Mime
Symfony\Component\Mime\Crypto
Symfony\Component\Mime\DependencyInjection
Symfony\Component\Mime\Encoder
Symfony\Component\Mime\Exception
Symfony\Component\Mime\Header
Symfony\Component\Mime\HtmlToTextConverter
Symfony\Component\Mime\Part
Symfony\Component\Mime\Part\Multipart
Symfony\Component\Mime\Test\Constraint