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
Concat		class	Drupal\migrate\Plugin\migrate\process	core/modules/migrate/src/Plugin/migrate/process/Concat.php	Concatenates a set of strings.	1	2
ConcatTest		class	Drupal\Tests\migrate\Unit\process	core/modules/migrate/tests/src/Unit/process/ConcatTest.php	Tests the concat process plugin.
ConcreteWithAnnotationTest		class	Drupal\Tests\Core\Foo	core/tests/PHPStan/fixtures/test-classes-with-metadata.php	@group metadata
ConcreteWithAttributeTest		class	Drupal\Tests\Core\Foo	core/tests/PHPStan/fixtures/test-classes-with-metadata.php	#[Group('Test')]
Condition		class	Drupal\core_fake\Driver\Database\CoreFakeWithAllCustomClasses	core/tests/fixtures/database_drivers/module/core_fake/src/Driver/Database/CoreFakeWithAllCustomClasses/Condition.php	CoreFakeWithAllCustomClasses implementation of \Drupal\Core\Database\Condition.
Condition		class	Drupal\pgsql\EntityQuery	core/modules/pgsql/src/EntityQuery/Condition.php	Implements entity query conditions for PostgreSQL databases.		1
Condition		class	Drupal\Core\Condition\Attribute	core/lib/Drupal/Core/Condition/Attribute/Condition.php	Defines a condition plugin attribute.		12
Condition		class	Drupal\Core\Condition\Annotation	core/lib/Drupal/Core/Condition/Annotation/Condition.php	Defines a condition plugin annotation object.
Condition		class	Drupal\Core\Config\Entity\Query	core/lib/Drupal/Core/Config/Entity/Query/Condition.php	Defines the condition class for the config entity query.	1	1
Condition		class	Drupal\Core\Database\Query	core/lib/Drupal/Core/Database/Query/Condition.php	Generic class for a series of conditions in a query.	2	6
Condition		class	Drupal\Core\Entity\Query\Sql	core/lib/Drupal/Core/Entity/Query/Sql/Condition.php	Implements entity query conditions for SQL databases.	1	1
Condition		class	Drupal\Core\Entity\Query\Null	core/lib/Drupal/Core/Entity/Query/Null/Condition.php	Defines the condition class for the null entity query.
Condition		class	Drupal\Core\Entity\KeyValueStore\Query	core/lib/Drupal/Core/Entity/KeyValueStore/Query/Condition.php	Defines the condition class for the key value entity query.
ConditionAccessResolverTrait		trait	Drupal\Core\Condition	core/lib/Drupal/Core/Condition/ConditionAccessResolverTrait.php	Resolves a set of conditions.		2
ConditionAccessResolverTraitTest		class	Drupal\Tests\Core\Condition	core/tests/Drupal/Tests/Core/Condition/ConditionAccessResolverTraitTest.php	Tests Drupal\Core\Condition\ConditionAccessResolverTrait.
ConditionAggregate		class	Drupal\Core\Entity\Query\Sql	core/lib/Drupal/Core/Entity/Query/Sql/ConditionAggregate.php	Defines the aggregate condition for sql based storage.		1
ConditionAggregateBase		abstract class	Drupal\Core\Entity\Query	core/lib/Drupal/Core/Entity/Query/ConditionAggregateBase.php	A common base class for all aggregation entity condition implementations.	1	1
ConditionAggregateInterface		interface	Drupal\Core\Entity\Query	core/lib/Drupal/Core/Entity/Query/ConditionAggregateInterface.php	Defines aggregated entity query conditions.	1	1
ConditionBase		abstract class	Drupal\Core\Entity\Query	core/lib/Drupal/Core/Entity/Query/ConditionBase.php	Defines a common base class for all entity condition implementations.	3	3
ConditionFormTest		class	Drupal\Tests\system\Functional\Condition	core/modules/system/tests/src/Functional/Condition/ConditionFormTest.php	Tests that condition plugins basic form handling is working.
ConditionFundamentals		abstract class	Drupal\Core\Entity\Query	core/lib/Drupal/Core/Entity/Query/ConditionFundamentals.php	Common code for all implementations of the entity query condition interfaces.	2
ConditionInterface		interface	Drupal\Core\Condition	core/lib/Drupal/Core/Condition/ConditionInterface.php	An interface for condition plugins.	1	1	1
ConditionInterface		interface	Drupal\Core\Database\Query	core/lib/Drupal/Core/Database/Query/ConditionInterface.php	Interface for a conditional clause in a query.	5	2
ConditionInterface		interface	Drupal\Core\Entity\Query	core/lib/Drupal/Core/Entity/Query/ConditionInterface.php	Defines the entity query condition interface.	1	2
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.
ConditionTest		class	Drupal\Tests\pgsql\Unit\EntityQuery	core/modules/pgsql/tests/src/Unit/EntityQuery/ConditionTest.php	Tests \Drupal\pgsql\EntityQuery\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\Composer\Plugin\VendorHardening	composer/Plugin/VendorHardening/Config.php	Determine configuration.		4
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
Config		class	Drupal\Core\Config	core/lib/Drupal/Core/Config/Config.php	Defines the default configuration object.	1	32
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.		17
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.		26
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.	15	15
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\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.
ConfigActionsTest		class	Drupal\Tests\node\Kernel	core/modules/node/tests/src/Kernel/ConfigActionsTest.php	Tests Config Actions.

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