Classes, traits, and interfaces - 9.5.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 1523

Name	Deprecated	Object type	Namespace	File name	Summary	Direct uses	Use statements	Strings
RestPermissions		class	Drupal\rest	core/modules/rest/src/RestPermissions.php	Provides rest module permissions.
RestPermissionsTest		class	Drupal\Tests\rest\Kernel\Entity	core/modules/rest/tests/src/Kernel/Entity/RestPermissionsTest.php	@coversDefaultClass \Drupal\rest\RestPermissions[[api-linebreak]]
RestRegisterUserTest		class	Drupal\Tests\hal\Functional\user	core/modules/hal/tests/src/Functional/user/RestRegisterUserTest.php	Tests user registration via REST resource.
RestResource		class	Drupal\rest\Annotation	core/modules/rest/src/Annotation/RestResource.php	Defines a REST resource annotation object.
RestResourceConfig		class	Drupal\rest\Entity	core/modules/rest/src/Entity/RestResourceConfig.php	Defines a RestResourceConfig configuration entity class.		11
RestResourceConfigHalJsonAnonTest		class	Drupal\Tests\hal\Functional\rest	core/modules/hal/tests/src/Functional/rest/RestResourceConfigHalJsonAnonTest.php	@group hal @group legacy
RestResourceConfigHalJsonBasicAuthTest		class	Drupal\Tests\hal\Functional\rest	core/modules/hal/tests/src/Functional/rest/RestResourceConfigHalJsonBasicAuthTest.php	@group hal @group legacy
RestResourceConfigHalJsonCookieTest		class	Drupal\Tests\hal\Functional\rest	core/modules/hal/tests/src/Functional/rest/RestResourceConfigHalJsonCookieTest.php	@group hal @group legacy
RestResourceConfigInterface		interface	Drupal\rest	core/modules/rest/src/RestResourceConfigInterface.php	Defines a configuration entity to store enabled REST resources.	1	16
RestResourceConfigJsonAnonTest		class	Drupal\Tests\rest\Functional\Rest	core/modules/rest/tests/src/Functional/Rest/RestResourceConfigJsonAnonTest.php	@group rest
RestResourceConfigJsonBasicAuthTest		class	Drupal\Tests\rest\Functional\Rest	core/modules/rest/tests/src/Functional/Rest/RestResourceConfigJsonBasicAuthTest.php	@group rest
RestResourceConfigJsonCookieTest		class	Drupal\Tests\rest\Functional\Rest	core/modules/rest/tests/src/Functional/Rest/RestResourceConfigJsonCookieTest.php	@group rest
RestResourceConfigResourceTestBase		abstract class	Drupal\Tests\rest\Functional\Rest	core/modules/rest/tests/src/Functional/Rest/RestResourceConfigResourceTestBase.php		9	3
RestResourceConfigTest		class	Drupal\Tests\rest\Unit\Entity	core/modules/rest/tests/src/Unit/Entity/RestResourceConfigTest.php	@coversDefaultClass \Drupal\rest\Entity\RestResourceConfig[[api-linebreak]]
RestResourceConfigTest		class	Drupal\Tests\rest\Kernel\Entity	core/modules/rest/tests/src/Kernel/Entity/RestResourceConfigTest.php	@coversDefaultClass \Drupal\rest\Entity\RestResourceConfig[[api-linebreak]]
RestResourceConfigTest		class	Drupal\Tests\hal\Kernel\rest\Entity	core/modules/hal/tests/src/Kernel/rest/Entity/RestResourceConfigTest.php	@coversDefaultClass \Drupal\rest\Entity\RestResourceConfig[[api-linebreak]]
RestResourceConfigTest		class	Drupal\Tests\jsonapi\Functional	core/modules/jsonapi/tests/src/Functional/RestResourceConfigTest.php	JSON:API integration test for the "RestResourceConfig" config entity type.
RestResourceConfigXmlAnonTest		class	Drupal\Tests\rest\Functional\Rest	core/modules/rest/tests/src/Functional/Rest/RestResourceConfigXmlAnonTest.php	@group rest
RestResourceConfigXmlBasicAuthTest		class	Drupal\Tests\rest\Functional\Rest	core/modules/rest/tests/src/Functional/Rest/RestResourceConfigXmlBasicAuthTest.php	@group rest
RestResourceConfigXmlCookieTest		class	Drupal\Tests\rest\Functional\Rest	core/modules/rest/tests/src/Functional/Rest/RestResourceConfigXmlCookieTest.php	@group rest
RestripeCommand		class	Drupal\Core\Ajax	core/lib/Drupal/Core/Ajax/RestripeCommand.php	AJAX command for resetting the striping on a table.		2
RestSettingsDeletionUpdateTest		class	Drupal\Tests\rest\Functional\Update	core/modules/rest/tests/src/Functional/Update/RestSettingsDeletionUpdateTest.php	Ensures that update hook is run properly for deleting obsolete REST settings.
RestTestConstraint		class	Drupal\rest_test\Plugin\Validation\Constraint	core/modules/rest/tests/modules/rest_test/src/Plugin/Validation/Constraint/RestTestConstraint.php	Adds some validations for a REST test field.
RestTestConstraintValidator		class	Drupal\rest_test\Plugin\Validation\Constraint	core/modules/rest/tests/modules/rest_test/src/Plugin/Validation/Constraint/RestTestConstraintValidator.php	Validator for \Drupal\rest_test\Plugin\Validation\Constraint\RestTestConstraint.
Result		class	Drupal\views\Plugin\views\area	core/modules/views/src/Plugin/views/area/Result.php	Views area handler to display some configurable result summary.		1
ResultRow		class	Drupal\views	core/modules/views/src/ResultRow.php	A class representing a view result row.		67
ResultTest		class	Drupal\Tests\views\Unit\Plugin\area	core/modules/views/tests/src/Unit/Plugin/area/ResultTest.php	@coversDefaultClass \Drupal\views\Plugin\views\area\Result[[api-linebreak]] @group views
RetrieveFileTest		class	Drupal\Tests\system\Functional\System	core/modules/system/tests/src/Functional/System/RetrieveFileTest.php	Tests HTTP file fetching and error handling.
ReverseContainer		final class	Drupal\Component\DependencyInjection	core/lib/Drupal/Component/DependencyInjection/ReverseContainer.php	Retrieves service IDs from the container for public services.		6
ReverseContainerTest		class	Drupal\Tests\Component\DependencyInjection	core/tests/Drupal/Tests/Component/DependencyInjection/ReverseContainerTest.php	@runTestsInSeparateProcesses The reverse container uses a static to maintain information across container rebuilds.
ReverseProxyMiddleware		class	Drupal\Core\StackMiddleware	core/lib/Drupal/Core/StackMiddleware/ReverseProxyMiddleware.php	Provides support for reverse proxies.		3	2
ReverseProxyMiddlewareTest		class	Drupal\Tests\Core\StackMiddleware	core/tests/Drupal/Tests/Core/StackMiddleware/ReverseProxyMiddlewareTest.php	Unit test the reverse proxy stack middleware.
RevertOverridesForm		class	Drupal\layout_builder\Form	core/modules/layout_builder/src/Form/RevertOverridesForm.php	Reverts the overridden layout to the defaults.
ReviewForm		class	Drupal\migrate_drupal_ui\Form	core/modules/migrate_drupal_ui/src/Form/ReviewForm.php	Migrate Upgrade review form.			1
ReviewPageTest		class	Drupal\Tests\tracker\Functional\Migrate	core/modules/tracker/tests/src/Functional/Migrate/ReviewPageTest.php	Tests Review page.
RevisionableContentEntityBase		abstract class	Drupal\Core\Entity	core/lib/Drupal/Core/Entity/RevisionableContentEntityBase.php	Provides a content entity with extended support for revisions.	1	1
RevisionableContentEntityBaseTest		class	Drupal\KernelTests\Core\Entity	core/tests/Drupal/KernelTests/Core/Entity/RevisionableContentEntityBaseTest.php	Test the revision system.
RevisionableEntity		abstract class	Drupal\Tests\Core\Entity	core/tests/Drupal/Tests/Core/Entity/EntityUrlTest.php
RevisionableEntityBundleInterface		interface	Drupal\Core\Entity	core/lib/Drupal/Core/Entity/RevisionableEntityBundleInterface.php	Provides an interface defining a revisionable entity bundle.	3	5
RevisionableInterface		interface	Drupal\Core\Entity	core/lib/Drupal/Core/Entity/RevisionableInterface.php	Provides methods for an entity to support revisions.	3	16
RevisionableStorageInterface		interface	Drupal\Core\Entity	core/lib/Drupal/Core/Entity/RevisionableStorageInterface.php	A storage that supports revisionable entity types.	1	1
RevisionCreateTimestampTest		class	Drupal\Tests\node\Kernel\Views	core/modules/node/tests/src/Kernel/Views/RevisionCreateTimestampTest.php	Ensures that the revision create time can be accessed in views.
RevisionLink		class	Drupal\node\Plugin\views\field	core/modules/node/src/Plugin/views/field/RevisionLink.php	Field handler to present a link to a node revision.	2
RevisionLinkDelete		class	Drupal\node\Plugin\views\field	core/modules/node/src/Plugin/views/field/RevisionLinkDelete.php	Field handler to present link to delete a node revision.
RevisionLinkRevert		class	Drupal\node\Plugin\views\field	core/modules/node/src/Plugin/views/field/RevisionLinkRevert.php	Field handler to present a link to revert a node to a revision.
RevisionLinkTest		class	Drupal\Tests\node\Functional\Views	core/modules/node/tests/src/Functional/Views/RevisionLinkTest.php	Tests the different revision link handlers.
RevisionLogEntityTrait		trait	Drupal\Core\Entity	core/lib/Drupal/Core/Entity/RevisionLogEntityTrait.php	Provides a trait for accessing revision logging and ownership information.		1
RevisionLogInterface		interface	Drupal\Core\Entity	core/lib/Drupal/Core/Entity/RevisionLogInterface.php	Defines methods for an entity that supports revision logging and ownership.	8	10
RevisionRelationshipsTest		class	Drupal\Tests\node\Kernel\Views	core/modules/node/tests/src/Kernel/Views/RevisionRelationshipsTest.php	Tests the integration of node_revision table of node module.
RevisionRelationshipsTest		class	Drupal\Tests\block_content\Kernel\Views	core/modules/block_content/tests/src/Kernel/Views/RevisionRelationshipsTest.php	Tests the integration of block_content_revision table.

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