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
ModerationContentTranslationTest		class	Drupal\Tests\content_moderation\Functional	core/modules/content_moderation/tests/src/Functional/ModerationContentTranslationTest.php	Test content_moderation functionality with content_translation.
ModerationFormTest		class	Drupal\Tests\content_moderation\Functional	core/modules/content_moderation/tests/src/Functional/ModerationFormTest.php	Tests the moderation form, specifically on nodes.
ModerationHandler		class	Drupal\content_moderation\Entity\Handler	core/modules/content_moderation/src/Entity/Handler/ModerationHandler.php	Common customizations for most/all entities.	3	3
ModerationHandlerInterface		interface	Drupal\content_moderation\Entity\Handler	core/modules/content_moderation/src/Entity/Handler/ModerationHandlerInterface.php	Defines operations that need to vary by entity type.	1
ModerationInformation		class	Drupal\content_moderation	core/modules/content_moderation/src/ModerationInformation.php	General service for moderation-related questions about Entity API.		3	2
ModerationInformationInterface		interface	Drupal\content_moderation	core/modules/content_moderation/src/ModerationInformationInterface.php	Interface for moderation_information service.	1	12
ModerationInformationTest		class	Drupal\Tests\content_moderation\Unit	core/modules/content_moderation/tests/src/Unit/ModerationInformationTest.php	@coversDefaultClass \Drupal\content_moderation\ModerationInformation[[api-linebreak]] @group content_moderation
ModerationInformationTest		class	Drupal\Tests\content_moderation\Kernel	core/modules/content_moderation/tests/src/Kernel/ModerationInformationTest.php	@coversDefaultClass \Drupal\content_moderation\ModerationInformation[[api-linebreak]] @group content_moderation
ModerationLocaleTest		class	Drupal\Tests\content_moderation\Functional	core/modules/content_moderation/tests/src/Functional/ModerationLocaleTest.php	Test content_moderation functionality with localization and translation.
ModerationOptOutPublish		class	Drupal\content_moderation\Plugin\Action	core/modules/content_moderation/src/Plugin/Action/ModerationOptOutPublish.php	Alternate action plugin that can opt-out of modifying moderated entities.		1
ModerationOptOutUnpublish		class	Drupal\content_moderation\Plugin\Action	core/modules/content_moderation/src/Plugin/Action/ModerationOptOutUnpublish.php	Alternate action plugin that can opt-out of modifying moderated entities.		1
ModerationRevisionRevertTest		class	Drupal\Tests\content_moderation\Functional	core/modules/content_moderation/tests/src/Functional/ModerationRevisionRevertTest.php	Test revision revert.
ModerationStateAccessTest		class	Drupal\Tests\content_moderation\Functional	core/modules/content_moderation/tests/src/Functional/ModerationStateAccessTest.php	Tests the view access control handler for moderation state entities.
ModerationStateBlockTest		class	Drupal\Tests\content_moderation\Functional	core/modules/content_moderation/tests/src/Functional/ModerationStateBlockTest.php	Tests general content moderation workflow for blocks.
ModerationStateConstraint		class	Drupal\content_moderation\Plugin\Validation\Constraint	core/modules/content_moderation/src/Plugin/Validation/Constraint/ModerationStateConstraint.php	Verifies that nodes have a valid moderation state.
ModerationStateConstraintValidator		class	Drupal\content_moderation\Plugin\Validation\Constraint	core/modules/content_moderation/src/Plugin/Validation/Constraint/ModerationStateConstraintValidator.php	Checks if a moderation state transition is valid.
ModerationStateField		class	Drupal\content_moderation\Plugin\views\field	core/modules/content_moderation/src/Plugin/views/field/ModerationStateField.php	A field handler for the computed moderation_state field.
ModerationStateFieldItemList		class	Drupal\content_moderation\Plugin\Field	core/modules/content_moderation/src/Plugin/Field/ModerationStateFieldItemList.php	A computed field that provides a content entity's moderation state.		2
ModerationStateFieldItemListTest		class	Drupal\Tests\content_moderation\Kernel	core/modules/content_moderation/tests/src/Kernel/ModerationStateFieldItemListTest.php	@coversDefaultClass \Drupal\content_moderation\Plugin\Field\ModerationStateFieldItemList[[api-linebreak]]
ModerationStateFilter		class	Drupal\content_moderation\Plugin\views\filter	core/modules/content_moderation/src/Plugin/views/filter/ModerationStateFilter.php	Provides a filter for the moderation state of an entity.
ModerationStateJoinViewsHandlerTrait		trait	Drupal\content_moderation\Plugin\views	core/modules/content_moderation/src/Plugin/views/ModerationStateJoinViewsHandlerTrait.php	Assist views handler plugins to join to the content_moderation_state entity.		3
ModerationStateNodeTest		class	Drupal\Tests\content_moderation\Functional	core/modules/content_moderation/tests/src/Functional/ModerationStateNodeTest.php	Tests general content moderation workflow for nodes.
ModerationStateNodeTypeTest		class	Drupal\Tests\content_moderation\Functional	core/modules/content_moderation/tests/src/Functional/ModerationStateNodeTypeTest.php	Tests moderation state node type integration.
ModerationStateSort		class	Drupal\content_moderation\Plugin\views\sort	core/modules/content_moderation/src/Plugin/views/sort/ModerationStateSort.php	Enables sorting for the computed moderation_state field.
ModerationStateTaxonomyTermTest		class	Drupal\Tests\content_moderation\Functional	core/modules/content_moderation/tests/src/Functional/ModerationStateTaxonomyTermTest.php	Tests the taxonomy term moderation handler.
ModerationStateTestBase		abstract class	Drupal\Tests\content_moderation\Functional	core/modules/content_moderation/tests/src/Functional/ModerationStateTestBase.php	Defines a base class for moderation state tests.	9
ModerationStateWidget		class	Drupal\content_moderation\Plugin\Field\FieldWidget	core/modules/content_moderation/src/Plugin/Field/FieldWidget/ModerationStateWidget.php	Plugin implementation of the 'moderation_state_default' widget.		1
ModerationStateWidgetTest		class	Drupal\Tests\content_moderation\Kernel	core/modules/content_moderation/tests/src/Kernel/ModerationStateWidgetTest.php	@coversDefaultClass \Drupal\content_moderation\Plugin\Field\FieldWidget\ModerationStateWidget[[api-linebreak]] @group content_moderation
ModifiedResourceResponse		class	Drupal\rest	core/modules/rest/src/ModifiedResourceResponse.php	A response that does not contain cacheability metadata.		4
ModifyServiceDefinitionsPass		class	Drupal\Core\DependencyInjection\Compiler	core/lib/Drupal/Core/DependencyInjection/Compiler/ModifyServiceDefinitionsPass.php	Passes the container to the alter() method of all service providers.		1
Module		class	Drupal\Core\Updater	core/lib/Drupal/Core/Updater/Module.php	Defines a class for updating modules.
ModuleAdminLinksHelper		class	Drupal\system	core/modules/system/src/ModuleAdminLinksHelper.php	Provides a helper for generating module admin links.		2	2
ModuleAdminLinksHelperTest		class	Drupal\Tests\system\Kernel	core/modules/system/tests/src/Kernel/ModuleAdminLinksHelperTest.php	Tests the ModuleAdminLinksHelper.
ModuleConfigureRouteTest		class	Drupal\KernelTests\Core\Extension	core/tests/Drupal/KernelTests/Core/Extension/ModuleConfigureRouteTest.php	Tests the configure route for core modules.
ModuleDependencyMessageTrait		trait	Drupal\Core\Extension	core/lib/Drupal/Core/Extension/ModuleDependencyMessageTrait.php	Messages for missing or incompatible dependencies on modules.		2
ModuleExtensionList		class	Drupal\Core\Extension	core/lib/Drupal/Core/Extension/ModuleExtensionList.php	Provides a list of available modules.	1	43	2
ModuleExtensionListTest		class	Drupal\KernelTests\Core\Extension	core/tests/Drupal/KernelTests/Core/Extension/ModuleExtensionListTest.php	@coversDefaultClass \Drupal\Core\Extension\ModuleExtensionList[[api-linebreak]] @group Extension
ModuleFilterTest		class	Drupal\Tests\system\FunctionalJavascript	core/modules/system/tests/src/FunctionalJavascript/ModuleFilterTest.php	Tests the JavaScript functionality of the module filter.
ModuleHandler		class	Drupal\Core\Extension	core/lib/Drupal/Core/Extension/ModuleHandler.php	Class that manages modules in a Drupal installation.		4	2
ModuleHandlerDeprecatedHookTest		class	Drupal\KernelTests\Core\Extension	core/tests/Drupal/KernelTests/Core/Extension/ModuleHandlerDeprecatedHookTest.php	Test whether deprecated hook invocations trigger errors.
ModuleHandlerDeprecatedHookUnimplementedTest		class	Drupal\KernelTests\Core\Extension	core/tests/Drupal/KernelTests/Core/Extension/ModuleHandlerDeprecatedHookUnimplementedTest.php	Test whether unimplemented deprecated hook invocations trigger errors.
ModuleHandlerInterface		interface	Drupal\Core\Extension	core/lib/Drupal/Core/Extension/ModuleHandlerInterface.php	Interface for classes that manage a set of enabled modules.	1	217
ModuleHandlerTest		class	Drupal\KernelTests\Core\Extension	core/tests/Drupal/KernelTests/Core/Extension/ModuleHandlerTest.php	@coversDefaultClass \Drupal\Core\Extension\ModuleHandler[[api-linebreak]]
ModuleHandlerTest		class	Drupal\Tests\Core\Extension	core/tests/Drupal/Tests/Core/Extension/ModuleHandlerTest.php	@coversDefaultClass \Drupal\Core\Extension\ModuleHandler[[api-linebreak]] @runTestsInSeparateProcesses
ModuleHandlerTest		class	Drupal\Tests\system\Kernel\Extension	core/modules/system/tests/src/Kernel/Extension/ModuleHandlerTest.php	Tests ModuleHandler functionality.
ModuleImplementsAlterTest		class	Drupal\KernelTests\Core\Extension	core/tests/Drupal/KernelTests/Core/Extension/ModuleImplementsAlterTest.php	Tests hook_module_implements_alter().
ModuleInfoTest		class	Drupal\Tests\Core\Extension	core/tests/Drupal/Tests/Core/Extension/ModuleInfoTest.php	Tests that core module info files have the expected keys.
ModuleInstallBatchTest		class	Drupal\FunctionalTests\Core\Test	core/tests/Drupal/FunctionalTests/Core/Test/ModuleInstallBatchTest.php	Tests batch operations during tests execution.
ModuleInstaller		class	Drupal\Core\ProxyClass\Extension	core/lib/Drupal/Core/ProxyClass/Extension/ModuleInstaller.php	Provides a proxy class for \Drupal\Core\Extension\ModuleInstaller.
ModuleInstaller		class	Drupal\Core\Extension	core/lib/Drupal/Core/Extension/ModuleInstaller.php	Default implementation of the module installer.			2

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