Classes, traits, and interfaces - main - 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 1529

Name	Deprecated	Object type	Namespace	File name	Summary	Direct uses	Use statements	Strings
EntityFieldTest		class	Drupal\KernelTests\Core\Entity	core/tests/Drupal/KernelTests/Core/Entity/EntityFieldTest.php	Tests the Entity Field API.
EntityFieldValueTrait		trait	Drupal\Core\Entity	core/lib/Drupal/Core/Entity/EntityFieldValueTrait.php	Adds a ::getFieldValue() method suitable for use with content entities.		1
EntityFieldValueTraitTest		class	Drupal\KernelTests\Core\Entity	core/tests/Drupal/KernelTests/Core/Entity/EntityFieldValueTraitTest.php	Tests the EntityFieldValueTrait.
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.	32	33
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	Tests Drupal\Core\Entity\EntityFormBuilder.
EntityFormDisplay		class	Drupal\Core\Entity\Entity	core/lib/Drupal/Core/Entity/Entity/EntityFormDisplay.php	Configuration entity.		54
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.		2
EntityFormDisplayAccessControlHandlerTest		class	Drupal\Tests\Core\Entity\Access	core/tests/Drupal/Tests/Core/Entity/Access/EntityFormDisplayAccessControlHandlerTest.php	Tests Drupal\Core\Entity\Entity\Access\EntityFormDisplayAccessControlHandler.	1
EntityFormDisplayEditForm		class	Drupal\field_ui\Form	core/modules/field_ui/src/Form/EntityFormDisplayEditForm.php	Edit form for the EntityFormDisplay entity type.
EntityFormDisplayInterface		interface	Drupal\Core\Entity\Display	core/lib/Drupal/Core/Entity/Display/EntityFormDisplayInterface.php	Provides a common interface for entity form displays.	1	14
EntityFormDisplayJsonAnonTest		class	Drupal\FunctionalTests\Rest	core/tests/Drupal/FunctionalTests/Rest/EntityFormDisplayJsonAnonTest.php	Tests Entity Form Display Json Anon.
EntityFormDisplayJsonBasicAuthTest		class	Drupal\FunctionalTests\Rest	core/tests/Drupal/FunctionalTests/Rest/EntityFormDisplayJsonBasicAuthTest.php	Tests Entity Form Display Json Basic Auth.
EntityFormDisplayJsonCookieTest		class	Drupal\FunctionalTests\Rest	core/tests/Drupal/FunctionalTests/Rest/EntityFormDisplayJsonCookieTest.php	Tests Entity Form Display Json Cookie.
EntityFormDisplayResourceTestBase		abstract class	Drupal\FunctionalTests\Rest	core/tests/Drupal/FunctionalTests/Rest/EntityFormDisplayResourceTestBase.php	Resource test base for the entity_form_display entity.	6
EntityFormDisplayTest		class	Drupal\Tests\jsonapi\Functional	core/modules/jsonapi/tests/src/Functional/EntityFormDisplayTest.php	JSON:API integration test for the "EntityFormDisplay" config entity type.
EntityFormDisplayTest		class	Drupal\Tests\field_ui\Kernel	core/modules/field_ui/tests/src/Kernel/EntityFormDisplayTest.php	Tests the entity display configuration entities.
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	Tests Entity Form Display Xml Anon.
EntityFormDisplayXmlBasicAuthTest		class	Drupal\FunctionalTests\Rest	core/tests/Drupal/FunctionalTests/Rest/EntityFormDisplayXmlBasicAuthTest.php	Tests Entity Form Display Xml Basic Auth.
EntityFormDisplayXmlCookieTest		class	Drupal\FunctionalTests\Rest	core/tests/Drupal/FunctionalTests/Rest/EntityFormDisplayXmlCookieTest.php	Tests Entity Form Display Xml Cookie.
EntityFormInterface		interface	Drupal\Core\Entity	core/lib/Drupal/Core/Entity/EntityFormInterface.php	Defines an interface for entity form classes.	4	7
EntityFormMode		class	Drupal\Core\Entity\Entity	core/lib/Drupal/Core/Entity/Entity/EntityFormMode.php	Defines the entity form mode configuration entity class.		15
EntityFormModeAddForm		class	Drupal\field_ui\Form	core/modules/field_ui/src/Form/EntityFormModeAddForm.php	Provides the add form for entity display modes.
EntityFormModeInterface		interface	Drupal\Core\Entity	core/lib/Drupal/Core/Entity/EntityFormModeInterface.php	Provides an interface defining an entity form mode entity type.	1	2
EntityFormModeJsonAnonTest		class	Drupal\FunctionalTests\Rest	core/tests/Drupal/FunctionalTests/Rest/EntityFormModeJsonAnonTest.php	Tests Entity Form Mode Json Anon.
EntityFormModeJsonBasicAuthTest		class	Drupal\FunctionalTests\Rest	core/tests/Drupal/FunctionalTests/Rest/EntityFormModeJsonBasicAuthTest.php	Tests Entity Form Mode Json Basic Auth.
EntityFormModeJsonCookieTest		class	Drupal\FunctionalTests\Rest	core/tests/Drupal/FunctionalTests/Rest/EntityFormModeJsonCookieTest.php	Tests Entity Form Mode Json Cookie.
EntityFormModeListBuilder		class	Drupal\field_ui	core/modules/field_ui/src/EntityFormModeListBuilder.php	Defines a class to build a listing of form mode entities.
EntityFormModeResourceTestBase		abstract class	Drupal\FunctionalTests\Rest	core/tests/Drupal/FunctionalTests/Rest/EntityFormModeResourceTestBase.php	Resource test base for the entity_form_mode entity.	6
EntityFormModeTest		class	Drupal\Tests\jsonapi\Functional	core/modules/jsonapi/tests/src/Functional/EntityFormModeTest.php	JSON:API integration test for the "EntityFormMode" config entity type.
EntityFormModeUpdatePathTest		class	Drupal\Tests\system\Functional\Update	core/modules/system/tests/src/Functional/Update/EntityFormModeUpdatePathTest.php	Tests update path for the entity form mode description value from '' to NULL.
EntityFormModeValidationTest		class	Drupal\KernelTests\Core\Entity	core/tests/Drupal/KernelTests/Core/Entity/EntityFormModeValidationTest.php	Tests validation of entity_form_mode entities.
EntityFormModeXmlAnonTest		class	Drupal\FunctionalTests\Rest	core/tests/Drupal/FunctionalTests/Rest/EntityFormModeXmlAnonTest.php	Tests Entity Form Mode Xml Anon.
EntityFormModeXmlBasicAuthTest		class	Drupal\FunctionalTests\Rest	core/tests/Drupal/FunctionalTests/Rest/EntityFormModeXmlBasicAuthTest.php	Tests Entity Form Mode Xml Basic Auth.
EntityFormModeXmlCookieTest		class	Drupal\FunctionalTests\Rest	core/tests/Drupal/FunctionalTests/Rest/EntityFormModeXmlCookieTest.php	Tests Entity Form Mode Xml Cookie.
EntityFormTest		class	Drupal\Tests\Core\Entity	core/tests/Drupal/Tests/Core/Entity/EntityFormTest.php	Tests Drupal\Core\Entity\EntityForm.
EntityFormTest		class	Drupal\Tests\system\Functional\Entity	core/modules/system/tests/src/Functional/Entity/EntityFormTest.php	Tests the entity form.
EntityHandlerBase		abstract class	Drupal\Core\Entity	core/lib/Drupal/Core/Entity/EntityHandlerBase.php	Provides a base class for entity handlers.	6	2
EntityHandlerInterface		interface	Drupal\Core\Entity	core/lib/Drupal/Core/Entity/EntityHandlerInterface.php	Defines an interface for entity handlers.	19	16
EntityHasFieldConstraint		class	Drupal\Core\Entity\Plugin\Validation\Constraint	core/lib/Drupal/Core/Entity/Plugin/Validation/Constraint/EntityHasFieldConstraint.php	Checks if a value is an entity that has a specific field.
EntityHasFieldConstraintValidator		class	Drupal\Core\Entity\Plugin\Validation\Constraint	core/lib/Drupal/Core/Entity/Plugin/Validation/Constraint/EntityHasFieldConstraintValidator.php	Validates the EntityHasField constraint.		1
EntityHasFieldConstraintValidatorTest		class	Drupal\KernelTests\Core\Entity	core/tests/Drupal/KernelTests/Core/Entity/EntityHasFieldConstraintValidatorTest.php	Tests Entity Has Field Constraint Validator.
EntityImageStyle		class	Drupal\image\Plugin\migrate\destination	core/modules/image/src/Plugin/migrate/destination/EntityImageStyle.php	Entity image style destination.
EntityInterface		interface	Drupal\Core\Entity	core/lib/Drupal/Core/Entity/EntityInterface.php	Defines a common interface for all entity objects.	10	338
EntityKernelTestBase		abstract class	Drupal\KernelTests\Core\Entity	core/tests/Drupal/KernelTests/Core/Entity/EntityKernelTestBase.php	Defines an abstract test base for entity kernel tests.	85	42
EntityKernelTestBaseTest		class	Drupal\KernelTests\Core\Entity	core/tests/Drupal/KernelTests/Core/Entity/EntityKernelTestBaseTest.php	Tests Entity Kernel Test Base.

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