Classes, traits, and interfaces - 11.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 1529

Name	Deprecated	Object type	Namespace	File name	Summary	Direct uses	Use statements	Strings
ConditionManager		class	Drupal\Core\Condition	core/lib/Drupal/Core/Condition/ConditionManager.php	A plugin manager for condition plugins.		2	2
ConditionPluginBase		abstract class	Drupal\Core\Condition	core/lib/Drupal/Core/Condition/ConditionPluginBase.php	Provides a basis for fulfilling contexts for condition plugins.	11	11
ConditionPluginCollection		class	Drupal\Core\Condition	core/lib/Drupal/Core/Condition/ConditionPluginCollection.php	Provides a collection of condition plugins.		2
ConditionPluginCollectionTest		class	Drupal\KernelTests\Core\Condition	core/tests/Drupal/KernelTests/Core/Condition/ConditionPluginCollectionTest.php	Tests Drupal\Core\Condition\ConditionPluginCollection.
ConditionTest		class	Drupal\Tests\Core\Database	core/tests/Drupal/Tests/Core/Database/ConditionTest.php	Tests Drupal\Core\Database\Query\Condition.
ConditionTestDualUser		class	Drupal\condition_test\Plugin\Condition	core/modules/system/tests/modules/condition_test/src/Plugin/Condition/ConditionTestDualUser.php	Provides a condition that requires two users.
ConditionTestDualUserTest		class	Drupal\KernelTests\Core\Plugin\Condition	core/tests/Drupal/KernelTests/Core/Plugin/Condition/ConditionTestDualUserTest.php	Tests a condition that requires two users.
ConditionTestNoExistingType		class	Drupal\condition_test\Plugin\Condition	core/modules/system/tests/modules/condition_test/src/Plugin/Condition/ConditionTestNoExistingType.php	Provides a condition that has a no existing context.
Config		class	Drupal\migrate\Plugin\migrate\destination	core/modules/migrate/src/Plugin/migrate/destination/Config.php	Provides Configuration Management destination plugin.	1	4
Config		class	Drupal\Core\Config	core/lib/Drupal/Core/Config/Config.php	Defines the default configuration object.	1	28
Config		class	Drupal\Composer\Plugin\VendorHardening	composer/Plugin/VendorHardening/Config.php	Determine configuration.		3
Config	in drupal:11.2.0 and is removed from drupal:12.0.0. Use \Drupal\migrate\Plugin\migrate\source\ConfigEntity instead. Available configuration keys: collections: (optional) The collection of configuration storage to retrieve from the source - can be a string or an array. If omitted, configuration objects of all available collections are retrieved. names: (optional) Names of configuration objects to retrieve from the source - can be a string or an array. If omitted, all available configuration objects are retrieved. Examples:	class	Drupal\migrate_drupal\Plugin\migrate\source\d8	core/modules/migrate_drupal/src/Plugin/migrate/source/d8/Config.php	Drupal 8+ configuration source from database.		1
ConfigAccessTest		class	Drupal\Tests\settings_tray\FunctionalJavascript	core/modules/settings_tray/tests/src/FunctionalJavascript/ConfigAccessTest.php	Tests handling of configuration overrides.
ConfigAction		final class	Drupal\Core\Config\Action\Attribute	core/lib/Drupal/Core/Config/Action/Attribute/ConfigAction.php	Defines a ConfigAction attribute object.		16
ConfigActionAttributeTest		class	Drupal\Tests\Core\Config\Action	core/tests/Drupal/Tests/Core/Config/Action/ConfigActionAttributeTest.php	Tests Drupal\Core\Config\Action\Attribute\ConfigAction.
ConfigActionException		final class	Drupal\Core\Config\Action	core/lib/Drupal/Core/Config/Action/ConfigActionException.php	@internal This API is experimental.		24
ConfigActionManager		class	Drupal\Core\Config\Action	core/lib/Drupal/Core/Config/Action/ConfigActionManager.php			12	2
ConfigActionPluginInterface		interface	Drupal\Core\Config\Action	core/lib/Drupal/Core/Config/Action/ConfigActionPluginInterface.php	@internal This API is experimental.	14	14
ConfigActionsTest		class	Drupal\Tests\block\Kernel	core/modules/block/tests/src/Kernel/ConfigActionsTest.php	Tests Config Actions.
ConfigActionsTest		class	Drupal\Tests\image\Kernel	core/modules/image/tests/src/Kernel/ConfigActionsTest.php	Tests Config Actions.
ConfigActionsTest		class	Drupal\Tests\media\Kernel	core/modules/media/tests/src/Kernel/ConfigActionsTest.php	Tests Config Actions.
ConfigActionsTest		class	Drupal\Tests\language\Kernel	core/modules/language/tests/src/Kernel/ConfigActionsTest.php	Tests Config Actions.
ConfigActionsTest		class	Drupal\Tests\node\Kernel	core/modules/node/tests/src/Kernel/ConfigActionsTest.php	Tests Config Actions.
ConfigActionsTest		class	Drupal\Tests\field\Kernel	core/modules/field/tests/src/Kernel/ConfigActionsTest.php	Tests Config Actions.
ConfigActionsTest		class	Drupal\Tests\layout_builder\Kernel	core/modules/layout_builder/tests/src/Kernel/ConfigActionsTest.php	Tests Config Actions.
ConfigActionsTest		class	Drupal\Tests\contact\Kernel	core/modules/contact/tests/src/Kernel/ConfigActionsTest.php	Tests Config Actions.
ConfigActionTest		class	Drupal\KernelTests\Core\Config\Action	core/tests/Drupal/KernelTests/Core/Config/Action/ConfigActionTest.php	Tests the config action system.
ConfigActionValidationTest		class	Drupal\KernelTests\Core\Recipe	core/tests/Drupal/KernelTests/Core/Recipe/ConfigActionValidationTest.php	Tests Config Action Validation.
ConfigAfterInstallerTestBase		abstract class	Drupal\FunctionalTests\Installer	core/tests/Drupal/FunctionalTests/Installer/ConfigAfterInstallerTestBase.php	Provides a class for install profiles to check their installed config.	2
ConfigBase		abstract class	Drupal\Core\Config	core/lib/Drupal/Core/Config/ConfigBase.php	Provides a base class for configuration objects with get/set support.	2	1
ConfigCacheTag		class	Drupal\system\EventSubscriber	core/modules/system/src/EventSubscriber/ConfigCacheTag.php	A subscriber invalidating cache tags when system config objects are saved.			2
ConfigCollectionEvents		final class	Drupal\Core\Config	core/lib/Drupal/Core/Config/ConfigCollectionEvents.php	Defines events for working with configuration collections.		8
ConfigCollectionInfo		class	Drupal\Core\Config	core/lib/Drupal/Core/Config/ConfigCollectionInfo.php	Gets information on all the possible configuration collections.		3
ConfigConfigurator		final class	Drupal\Core\Recipe	core/lib/Drupal/Core/Recipe/ConfigConfigurator.php	@internal This API is experimental.		1
ConfigConfiguratorTest		class	Drupal\KernelTests\Core\Recipe	core/tests/Drupal/KernelTests/Core/Recipe/ConfigConfiguratorTest.php	Tests Config Configurator.
ConfigController		class	Drupal\config\Controller	core/modules/config/src/Controller/ConfigController.php	Returns responses for config module routes.
ConfigCrudEvent		class	Drupal\Core\Config	core/lib/Drupal/Core/Config/ConfigCrudEvent.php	Wraps a configuration event for event listeners.	1	24
ConfigCRUDTest		class	Drupal\KernelTests\Core\Config	core/tests/Drupal/KernelTests/Core/Config/ConfigCRUDTest.php	Tests CRUD operations on configuration objects.
ConfigDependencies		class	Drupal\rest\Entity	core/modules/rest/src/Entity/ConfigDependencies.php	Calculates rest resource config dependencies.		1
ConfigDependenciesTest		class	Drupal\Tests\rest\Kernel\Entity	core/modules/rest/tests/src/Kernel/Entity/ConfigDependenciesTest.php	Tests Drupal\rest\Entity\ConfigDependencies.
ConfigDependencyDeleteFormTrait		trait	Drupal\Core\Config\Entity	core/lib/Drupal/Core/Config/Entity/ConfigDependencyDeleteFormTrait.php	Lists affected configuration entities by a dependency removal.		2
ConfigDependencyManager		class	Drupal\Core\Config\Entity	core/lib/Drupal/Core/Config/Entity/ConfigDependencyManager.php	Provides a class to discover configuration entity dependencies.		6
ConfigDependencyManagerTest		class	Drupal\Tests\Core\Config	core/tests/Drupal/Tests/Core/Config/ConfigDependencyManagerTest.php	Tests the ConfigDependencyManager class.
ConfigDependencyManagerTest		class	Drupal\Tests\Core\Config\Entity	core/tests/Drupal/Tests/Core/Config/Entity/ConfigDependencyManagerTest.php	Tests the ConfigDependencyManager class.
ConfigDependencyTest		class	Drupal\KernelTests\Core\Config	core/tests/Drupal/KernelTests/Core/Config/ConfigDependencyTest.php	Tests for configuration dependencies.
ConfigDependencyWebTest		class	Drupal\Tests\config\Functional	core/modules/config/tests/src/Functional/ConfigDependencyWebTest.php	Tests configuration entities.
ConfigDiffTest		class	Drupal\KernelTests\Core\Config	core/tests/Drupal/KernelTests/Core/Config/ConfigDiffTest.php	Calculating the difference between two sets of configuration.
ConfigDirectoryNotDefinedException		class	Drupal\Core\Config	core/lib/Drupal/Core/Config/ConfigDirectoryNotDefinedException.php	An exception thrown when the config sync directory is not defined.		1
ConfigDraggableListBuilderTest		class	Drupal\Tests\config\Functional	core/modules/config/tests/src/Functional/ConfigDraggableListBuilderTest.php	Tests draggable list builder.
ConfigDuplicateUUIDException		class	Drupal\Core\Config	core/lib/Drupal/Core/Config/ConfigDuplicateUUIDException.php	Exception thrown when a config object UUID causes a conflict.		3

Other projects

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.