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
EntityDisplayModeBaseTestableClass		class	Drupal\Tests\Core\Config\Entity	core/tests/Drupal/Tests/Core/Config/Entity/EntityDisplayModeBaseUnitTest.php	A class extending EntityDisplayModeBase for testing purposes.
EntityDisplayModeBaseUnitTest		class	Drupal\Tests\Core\Config\Entity	core/tests/Drupal/Tests/Core/Config/Entity/EntityDisplayModeBaseUnitTest.php	@coversDefaultClass \Drupal\Core\Entity\EntityDisplayModeBase[[api-linebreak]] @group Config
EntityDisplayModeController		class	Drupal\field_ui\Controller	core/modules/field_ui/src/Controller/EntityDisplayModeController.php	Provides methods for entity display mode routes.
EntityDisplayModeDeleteForm		class	Drupal\field_ui\Form	core/modules/field_ui/src/Form/EntityDisplayModeDeleteForm.php	Provides the delete form for entity display modes.
EntityDisplayModeEditForm		class	Drupal\field_ui\Form	core/modules/field_ui/src/Form/EntityDisplayModeEditForm.php	Provides the edit form for entity display modes.
EntityDisplayModeFormBase		abstract class	Drupal\field_ui\Form	core/modules/field_ui/src/Form/EntityDisplayModeFormBase.php	Provides the generic base class for entity display mode forms.	2
EntityDisplayModeInterface		interface	Drupal\Core\Entity	core/lib/Drupal/Core/Entity/EntityDisplayModeInterface.php	Provides an interface for entity types that hold form and view mode settings.	3
EntityDisplayModeListBuilder		class	Drupal\field_ui	core/modules/field_ui/src/EntityDisplayModeListBuilder.php	Defines a class to build a listing of view mode entities.	1
EntityDisplayModeTest		class	Drupal\Tests\field_ui\Functional	core/modules/field_ui/tests/src/Functional/EntityDisplayModeTest.php	Tests the entity display modes UI.
EntityDisplayPluginCollection		class	Drupal\Core\Entity	core/lib/Drupal/Core/Entity/EntityDisplayPluginCollection.php	A collection of formatters or widgets.		2
EntityDisplayRebuilder		class	Drupal\field	core/modules/field/src/EntityDisplayRebuilder.php	Rebuilds all form and view modes for a passed entity bundle.		1
EntityDisplayRepository		class	Drupal\Core\Entity	core/lib/Drupal/Core/Entity/EntityDisplayRepository.php	Provides a repository for entity display objects (view modes and form modes).			2
EntityDisplayRepositoryInterface		interface	Drupal\Core\Entity	core/lib/Drupal/Core/Entity/EntityDisplayRepositoryInterface.php	Provides an interface for an entity display repository.	1	37
EntityDisplayRepositoryTest		class	Drupal\KernelTests\Core\Entity	core/tests/Drupal/KernelTests/Core/Entity/EntityDisplayRepositoryTest.php	@coversDefaultClass \Drupal\Core\Entity\EntityDisplayRepository[[api-linebreak]]
EntityDisplayTest		class	Drupal\Tests\field_ui\FunctionalJavascript	core/modules/field_ui/tests/src/FunctionalJavascript/EntityDisplayTest.php	Tests the UI for entity displays.	1	1
EntityDisplayTest		class	Drupal\Tests\field_ui\Kernel	core/modules/field_ui/tests/src/Kernel/EntityDisplayTest.php	Tests the entity display configuration entities.
EntityDisplayTest		class	Drupal\Tests\field_ui\Functional	core/modules/field_ui/tests/src/Functional/EntityDisplayTest.php	Tests the UI for entity displays.
EntityDisplayWithLayoutInterface		interface	Drupal\field_layout\Display	core/modules/field_layout/src/Display/EntityDisplayWithLayoutInterface.php	Provides a common interface for entity displays that have layout.	2	7
EntityDuplicateTest		class	Drupal\KernelTests\Core\Entity	core/tests/Drupal/KernelTests/Core/Entity/EntityDuplicateTest.php	Test entity duplication.
EntityExists		class	Drupal\migrate\Plugin\migrate\process	core/modules/migrate/src/Plugin/migrate/process/EntityExists.php	This plugin checks if a given entity exists.
EntityExistsTest		class	Drupal\Tests\migrate\Kernel\Plugin	core/modules/migrate/tests/src/Kernel/Plugin/EntityExistsTest.php	Tests the EntityExists process plugin.
EntityField		class	Drupal\views\Plugin\views\field	core/modules/views/src/Plugin/views/field/EntityField.php	A field that displays entity field data.	6	8
EntityFieldDefaultValueTest		class	Drupal\KernelTests\Core\Entity	core/tests/Drupal/KernelTests/Core/Entity/EntityFieldDefaultValueTest.php	Tests default values for entity fields.
EntityFieldDefinitionTrait		trait	Drupal\migrate	core/modules/migrate/src/EntityFieldDefinitionTrait.php	The entity field definition trait.		3
EntityFieldInstance		class	Drupal\migrate\Plugin\migrate\destination	core/modules/migrate/src/Plugin/migrate/destination/EntityFieldInstance.php	Provides destination plugin for field_config configuration entities.
EntityFieldManager		class	Drupal\Core\Entity	core/lib/Drupal/Core/Entity/EntityFieldManager.php	Manages the discovery of entity fields.	1	4	2
EntityFieldManagerInterface		interface	Drupal\Core\Entity	core/lib/Drupal/Core/Entity/EntityFieldManagerInterface.php	Provides an interface for an entity field manager.	1	80
EntityFieldManagerTest		class	Drupal\Tests\Core\Entity	core/tests/Drupal/Tests/Core/Entity/EntityFieldManagerTest.php	@coversDefaultClass \Drupal\Core\Entity\EntityFieldManager[[api-linebreak]] @group Entity
EntityFieldRenderer		class	Drupal\views\Entity\Render	core/modules/views/src/Entity/Render/EntityFieldRenderer.php	Renders entity fields.		1
EntityFieldStorageConfig		class	Drupal\migrate\Plugin\migrate\destination	core/modules/migrate/src/Plugin/migrate/destination/EntityFieldStorageConfig.php	Provides destination plugin for field_storage_config configuration entities.
EntityFieldTest		class	Drupal\KernelTests\Core\Entity	core/tests/Drupal/KernelTests/Core/Entity/EntityFieldTest.php	Tests the Entity Field API.
EntityFile		class	Drupal\file\Plugin\migrate\destination	core/modules/file/src/Plugin/migrate/destination/EntityFile.php	Provides migrate destination plugin for File entities.
EntityFilteringThemeTest		class	Drupal\Tests\system\Functional\Theme	core/modules/system/tests/src/Functional/Theme/EntityFilteringThemeTest.php	Tests XSS filtering for themed output for each entity type in all themes.
EntityForm		class	Drupal\Core\Entity	core/lib/Drupal/Core/Entity/EntityForm.php	Base class for entity forms.	30	29
EntityFormBuilder		class	Drupal\Core\Entity	core/lib/Drupal/Core/Entity/EntityFormBuilder.php	Builds entity forms.		1	2
EntityFormBuilderInterface		interface	Drupal\Core\Entity	core/lib/Drupal/Core/Entity/EntityFormBuilderInterface.php	Builds entity forms.	1	2
EntityFormBuilderTest		class	Drupal\Tests\Core\Entity	core/tests/Drupal/Tests/Core/Entity/EntityFormBuilderTest.php	@coversDefaultClass \Drupal\Core\Entity\EntityFormBuilder[[api-linebreak]] @group Entity
EntityFormDisplay		class	Drupal\Core\Entity\Entity	core/lib/Drupal/Core/Entity/Entity/EntityFormDisplay.php	Configuration entity.	1	59
EntityFormDisplayAccessControlHandler		class	Drupal\Core\Entity\Entity\Access	core/lib/Drupal/Core/Entity/Entity/Access/EntityFormDisplayAccessControlHandler.php	Provides an entity access control handler for form displays.		1
EntityFormDisplayAccessControlHandlerTest		class	Drupal\Tests\Core\Entity\Access	core/tests/Drupal/Tests/Core/Entity/Access/EntityFormDisplayAccessControlHandlerTest.php	@coversDefaultClass \Drupal\Core\Entity\Entity\Access\EntityFormDisplayAccessControlHandler[[api-linebreak]] @group Entity	1
EntityFormDisplayEditForm		class	Drupal\field_ui\Form	core/modules/field_ui/src/Form/EntityFormDisplayEditForm.php	Edit form for the EntityFormDisplay entity type.	1	1
EntityFormDisplayInterface		interface	Drupal\Core\Entity\Display	core/lib/Drupal/Core/Entity/Display/EntityFormDisplayInterface.php	Provides a common interface for entity form displays.	1	15
EntityFormDisplayJsonAnonTest		class	Drupal\FunctionalTests\Rest	core/tests/Drupal/FunctionalTests/Rest/EntityFormDisplayJsonAnonTest.php	@group rest
EntityFormDisplayJsonBasicAuthTest		class	Drupal\FunctionalTests\Rest	core/tests/Drupal/FunctionalTests/Rest/EntityFormDisplayJsonBasicAuthTest.php	@group rest
EntityFormDisplayJsonCookieTest		class	Drupal\FunctionalTests\Rest	core/tests/Drupal/FunctionalTests/Rest/EntityFormDisplayJsonCookieTest.php	@group rest
EntityFormDisplayResourceTestBase		abstract class	Drupal\FunctionalTests\Rest	core/tests/Drupal/FunctionalTests/Rest/EntityFormDisplayResourceTestBase.php		6
EntityFormDisplayTest		class	Drupal\Tests\field_ui\Kernel	core/modules/field_ui/tests/src/Kernel/EntityFormDisplayTest.php	Tests the entity display configuration entities.
EntityFormDisplayTest		class	Drupal\Tests\jsonapi\Functional	core/modules/jsonapi/tests/src/Functional/EntityFormDisplayTest.php	JSON:API integration test for the "EntityFormDisplay" config entity type.
EntityFormDisplayValidationTest		class	Drupal\KernelTests\Core\Entity	core/tests/Drupal/KernelTests/Core/Entity/EntityFormDisplayValidationTest.php	Tests validation of entity_form_display entities.
EntityFormDisplayXmlAnonTest		class	Drupal\FunctionalTests\Rest	core/tests/Drupal/FunctionalTests/Rest/EntityFormDisplayXmlAnonTest.php	@group rest

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