Classes, traits, and interfaces - 10.3.x - drupal

Introduction to classes

A lot of the PHP code in Drupal is object oriented (OO), making use of PHP classes, interfaces, and traits. See the Objected-oriented programming conventions for more information.

See also

Objected-oriented programming conventions

File

core/core.api.php, line 1518

Name	Deprecated	Object type	Namespace	File name	Summary	Direct uses	Use statements	Strings
MemoryBackend		class	Drupal\Core\Cache	core/lib/Drupal/Core/Cache/MemoryBackend.php	Defines a memory cache implementation.	3	15
MemoryBackendFactory		class	Drupal\Core\Cache	core/lib/Drupal/Core/Cache/MemoryBackendFactory.php			1	2
MemoryBackendTest		class	Drupal\Tests\Core\Flood	core/tests/Drupal/Tests/Core/Flood/MemoryBackendTest.php	Tests the memory flood implementation.
MemoryBackendTest		class	Drupal\KernelTests\Core\Cache	core/tests/Drupal/KernelTests/Core/Cache/MemoryBackendTest.php	Unit test of the memory cache backend using the generic cache unit test base.
MemoryCache		class	Drupal\Core\Cache\MemoryCache	core/lib/Drupal/Core/Cache/MemoryCache/MemoryCache.php	Defines a memory cache implementation.		3	4
MemoryCacheFactory		class	Drupal\Core\Cache\MemoryCache	core/lib/Drupal/Core/Cache/MemoryCache/MemoryCacheFactory.php				2
MemoryCacheInterface		interface	Drupal\Core\Cache\MemoryCache	core/lib/Drupal/Core/Cache/MemoryCache/MemoryCacheInterface.php	Defines an interface for memory cache implementations.	1	13	4
MemoryCounterBackend		class	Drupal\Core\Cache	core/lib/Drupal/Core/Cache/MemoryCounterBackend.php	Defines a memory cache implementation that counts set and get calls.		1
MemoryCounterBackendFactory		class	Drupal\Core\Cache	core/lib/Drupal/Core/Cache/MemoryCounterBackendFactory.php			1
MemoryStorage		class	Drupal\Core\Config	core/lib/Drupal/Core/Config/MemoryStorage.php	Provides an in memory configuration storage.	1	9
MemoryStorage		class	Drupal\Core\KeyValueStore	core/lib/Drupal/Core/KeyValueStore/MemoryStorage.php	Defines a default key/value store implementation.
MemoryStorageTest		class	Drupal\KernelTests\Core\Config\Storage	core/tests/Drupal/KernelTests/Core/Config/Storage/MemoryStorageTest.php	Tests MemoryStorage operations.
MemoryStorageTest		class	Drupal\KernelTests\Core\KeyValueStore	core/tests/Drupal/KernelTests/Core/KeyValueStore/MemoryStorageTest.php	Tests the key-value memory storage.
Menu		class	Drupal\system\Entity	core/modules/system/src/Entity/Menu.php	Defines the Menu configuration entity class.		22
Menu		class	Drupal\system\Plugin\migrate\source	core/modules/system/src/Plugin/migrate/source/Menu.php	Drupal 6/7 menu source from database.	2	2
MenuAccessControlHandler		class	Drupal\system	core/modules/system/src/MenuAccessControlHandler.php	Defines the access control handler for the menu entity type.
MenuAccessControlHandlerTest		class	Drupal\Tests\system\Kernel	core/modules/system/tests/src/Kernel/MenuAccessControlHandlerTest.php	@coversDefaultClass \Drupal\system\MenuAccessControlHandler[[api-linebreak]] @group system
MenuAccessTest		class	Drupal\Tests\system\Functional\Menu	core/modules/system/tests/src/Functional/Menu/MenuAccessTest.php	Tests the route access checks on menu links.
MenuActiveTrail		class	Drupal\Core\ProxyClass\Menu	core/lib/Drupal/Core/ProxyClass/Menu/MenuActiveTrail.php	Provides a proxy class for \Drupal\Core\Menu\MenuActiveTrail.
MenuActiveTrail		class	Drupal\Core\Menu	core/lib/Drupal/Core/Menu/MenuActiveTrail.php	Provides the default implementation of the active menu trail service.		1	2
MenuActiveTrail403Test		class	Drupal\FunctionalTests\Menu	core/tests/Drupal/FunctionalTests/Menu/MenuActiveTrail403Test.php	Tests that 403 active trail behavior does not overwrite original entry.
MenuActiveTrailInterface		interface	Drupal\Core\Menu	core/lib/Drupal/Core/Menu/MenuActiveTrailInterface.php	Defines an interface for the active menu trail service.	2	3
MenuActiveTrailsCacheContext		class	Drupal\Core\Cache\Context	core/lib/Drupal/Core/Cache/Context/MenuActiveTrailsCacheContext.php	Defines the MenuActiveTrailsCacheContext service.			2
MenuActiveTrailTest		class	Drupal\Tests\Core\Menu	core/tests/Drupal/Tests/Core/Menu/MenuActiveTrailTest.php	Tests the active menu trail service.
MenuBlockTest		class	Drupal\Tests\menu_ui\Kernel	core/modules/menu_ui/tests/src/Kernel/MenuBlockTest.php	Tests SystemMenuBlock.
MenuCacheTagsTest		class	Drupal\Tests\menu_ui\Functional	core/modules/menu_ui/tests/src/Functional/MenuCacheTagsTest.php	Tests the Menu and Menu Link entities' cache tags.
MenuController		class	Drupal\menu_link_content\Controller	core/modules/menu_link_content/src/Controller/MenuController.php	Defines a route controller for a form for menu link content entity creation.
MenuController		class	Drupal\menu_ui\Controller	core/modules/menu_ui/src/Controller/MenuController.php	Returns responses for Menu routes.
MenuDeleteForm		class	Drupal\menu_ui\Form	core/modules/menu_ui/src/Form/MenuDeleteForm.php	Defines a confirmation form for deletion of a custom menu.
MenuForm		class	Drupal\menu_ui	core/modules/menu_ui/src/MenuForm.php	Base form for menu edit forms.
MenuInterface		interface	Drupal\system	core/modules/system/src/MenuInterface.php	Provides an interface defining a menu entity.	1	10
MenuJsonAnonTest		class	Drupal\Tests\system\Functional\Rest	core/modules/system/tests/src/Functional/Rest/MenuJsonAnonTest.php	@group rest
MenuJsonBasicAuthTest		class	Drupal\Tests\system\Functional\Rest	core/modules/system/tests/src/Functional/Rest/MenuJsonBasicAuthTest.php	@group rest
MenuJsonCookieTest		class	Drupal\Tests\system\Functional\Rest	core/modules/system/tests/src/Functional/Rest/MenuJsonCookieTest.php	@group rest
MenuLink		class	Drupal\menu_link_content\Plugin\migrate\source	core/modules/menu_link_content/src/Plugin/migrate/source/MenuLink.php	Drupal 6/7 menu link source from database.	3	3
MenuLinkAdd		class	Drupal\menu_ui\Plugin\Menu\LocalAction	core/modules/menu_ui/src/Plugin/Menu/LocalAction/MenuLinkAdd.php	Modifies the 'Add link' local action to add a destination.			1
MenuLinkBase		abstract class	Drupal\Core\Menu	core/lib/Drupal/Core/Menu/MenuLinkBase.php	Defines a base menu link class.	5	3
MenuLinkContent		class	Drupal\menu_link_content\Entity	core/modules/menu_link_content/src/Entity/MenuLinkContent.php	Defines the menu link content entity class.		29
MenuLinkContent		class	Drupal\menu_link_content\Plugin\Menu	core/modules/menu_link_content/src/Plugin/Menu/MenuLinkContent.php	Provides the menu link plugin for content menu links.		3	1
MenuLinkContentAccessControlHandler		class	Drupal\menu_link_content	core/modules/menu_link_content/src/MenuLinkContentAccessControlHandler.php	Defines the access control handler for the menu link content entity type.		1
MenuLinkContentCacheabilityBubblingTest		class	Drupal\Tests\menu_link_content\Kernel	core/modules/menu_link_content/tests/src/Kernel/MenuLinkContentCacheabilityBubblingTest.php	Ensures that rendered menu links bubble the necessary bubbleable metadata.
MenuLinkContentDeleteForm		class	Drupal\menu_link_content\Form	core/modules/menu_link_content/src/Form/MenuLinkContentDeleteForm.php	Provides a delete form for content menu links.
MenuLinkContentDeleteFormTest		class	Drupal\Tests\menu_link_content\Functional	core/modules/menu_link_content/tests/src/Functional/MenuLinkContentDeleteFormTest.php	Tests the menu link content delete UI.
MenuLinkContentDeprecationsTest		class	Drupal\Tests\menu_link_content\Kernel	core/modules/menu_link_content/tests/src/Kernel/MenuLinkContentDeprecationsTest.php	Tests the deprecation notices of the menu_link_content module.
MenuLinkContentDeriver		class	Drupal\menu_link_content\Plugin\Deriver	core/modules/menu_link_content/src/Plugin/Deriver/MenuLinkContentDeriver.php	Provides a deriver for user entered paths of menu links.			1
MenuLinkContentDeriverTest		class	Drupal\Tests\menu_link_content\Kernel	core/modules/menu_link_content/tests/src/Kernel/MenuLinkContentDeriverTest.php	Tests the menu link content deriver.
MenuLinkContentEntityAccessTest		class	Drupal\Tests\menu_link_content\Unit	core/modules/menu_link_content/tests/src/Unit/MenuLinkContentEntityAccessTest.php	Tests menu link content entity access.
MenuLinkContentForm		class	Drupal\menu_link_content\Form	core/modules/menu_link_content/src/Form/MenuLinkContentForm.php	Provides a form to add/update content menu links.		1	1
MenuLinkContentFormTest		class	Drupal\Tests\menu_link_content\Functional	core/modules/menu_link_content/tests/src/Functional/MenuLinkContentFormTest.php	Tests the menu link content UI.
MenuLinkContentInterface		interface	Drupal\menu_link_content	core/modules/menu_link_content/src/MenuLinkContentInterface.php	Defines an interface for custom menu links.	1	6

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