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
SystemPoweredByBlock		class	Drupal\system\Plugin\Block	core/modules/system/src/Plugin/Block/SystemPoweredByBlock.php	Provides a 'Powered by Drupal' block.
SystemRequirements		class	Drupal\system\Install\Requirements	core/modules/system/src/Install/Requirements/SystemRequirements.php	Install time requirements for the system module.		2
SystemRequirementsHooks		class	Drupal\system\Hook	core/modules/system/src/Hook/SystemRequirementsHooks.php	Requirements hook implementations for system module.		3
SystemRssDeleteTest		class	Drupal\Tests\system\Functional\Update	core/modules/system/tests/src/Functional/Update/SystemRssDeleteTest.php	Tests that system.rss config is deleted.
SystemTestController		class	Drupal\system_test\Controller	core/modules/system/tests/modules/system_test/src/Controller/SystemTestController.php	Controller routines for system_test routes.		1
SystemTestHooks		class	Drupal\system_test\Hook	core/modules/system/tests/modules/system_test/src/Hook/SystemTestHooks.php	Hook implementations for system_test.
SystemThemeHooks		class	Drupal\system\Hook	core/modules/system/src/Hook/SystemThemeHooks.php	Hook implementations for system.
SystemTokensHooks		class	Drupal\system\Hook	core/modules/system/src/Hook/SystemTokensHooks.php	Hook implementations for system.
SystemUpdate7000	in drupal:11.3.0 and is removed from drupal:12.0.0. There is no replacement.	class	Drupal\system\Plugin\migrate\process\d6	core/modules/system/src/Plugin/migrate/process/d6/SystemUpdate7000.php	Rename blog and forum permissions to be consistent with other content types.
TabbingManagerTestController		class	Drupal\tabbingmanager_test\Controller	core/modules/system/tests/modules/tabbingmanager_test/src/Controller/TabbingManagerTestController.php	For testing the Tabbing Manager.
Table		class	Drupal\views\Plugin\views\style	core/modules/views/src/Plugin/views/style/Table.php	Style plugin to render each item as a row in a table.		1
Table		class	Drupal\Core\Render\Element	core/lib/Drupal/Core/Render/Element/Table.php	Provides a render element for a table.	2	1
TableDragTest		class	Drupal\FunctionalJavascriptTests\TableDrag	core/tests/Drupal/FunctionalJavascriptTests/TableDrag/TableDragTest.php	Tests draggable table.	1	1
TableDragTestForm		class	Drupal\tabledrag_test\Form	core/modules/system/tests/modules/tabledrag_test/src/Form/TableDragTestForm.php	Provides a form for draggable table testing.	1		1
TabledragWarningCommand		class	Drupal\Core\Ajax	core/lib/Drupal/Core/Ajax/TabledragWarningCommand.php	AJAX command for conveying changed tabledrag rows.		1
TableFormatter		class	Drupal\file\Plugin\Field\FieldFormatter	core/modules/file/src/Plugin/Field/FieldFormatter/TableFormatter.php	Plugin implementation of the 'file_table' formatter.
TableMappingInterface		interface	Drupal\Core\Entity\Sql	core/lib/Drupal/Core/Entity/Sql/TableMappingInterface.php	Provides a common interface for mapping field columns to SQL tables.	1	5
Tables		class	Drupal\Core\Entity\Query\Sql	core/lib/Drupal/Core/Entity/Query/Sql/Tables.php	Adds database tables and fields to the SQL entity query.	1	1
Tables		class	Drupal\workspaces\EntityQuery	core/modules/workspaces/src/EntityQuery/Tables.php	Alters entity queries to use a workspace revision instead of the default one.
Tableselect		class	Drupal\Core\Render\Element	core/lib/Drupal/Core/Render/Element/Tableselect.php	Provides a form element for a table with radios or checkboxes in left column.		1
TableSelectTest		class	Drupal\Tests\Core\Render\Element	core/tests/Drupal/Tests/Core/Render/Element/TableSelectTest.php	Tests Drupal\Core\Render\Element\Tableselect.
TablesInterface		interface	Drupal\Core\Entity\Query\Sql	core/lib/Drupal/Core/Entity/Query/Sql/TablesInterface.php	Adds tables and fields to the SQL entity query.	1
TableSort		class	Drupal\Core\Utility	core/lib/Drupal/Core/Utility/TableSort.php	Provides a class for table sorting processing and rendering.		5
TableSortExtender		class	Drupal\Core\Database\Query	core/lib/Drupal/Core/Database/Query/TableSortExtender.php	Query extender class for tablesort queries.	1	4
TableSortExtender		class	Drupal\core_fake\Driver\Database\CoreFakeWithAllCustomClasses	core/tests/fixtures/database_drivers/module/core_fake/src/Driver/Database/CoreFakeWithAllCustomClasses/TableSortExtender.php	CoreFakeWithAllCustomClasses implementation of \Drupal\Core\Database\Query\TableSortExtender.
TableSortExtenderTest		class	Drupal\KernelTests\Core\Render\Element	core/tests/Drupal/KernelTests/Core/Render/Element/TableSortExtenderTest.php	Tests table sorting.
TableTest		class	Drupal\KernelTests\Core\Render\Element	core/tests/Drupal/KernelTests/Core/Render/Element/TableTest.php	Tests built-in table theme functions.
TableTest		class	Drupal\Tests\ckeditor5\FunctionalJavascript	core/modules/ckeditor5/tests/src/FunctionalJavascript/TableTest.php	For testing the table plugin.
Tag		class	Drupal\views\Plugin\views\cache	core/modules/views/src/Plugin/views/cache/Tag.php	Simple caching of query results for Views displays.
TaggedHandlersPass		class	Drupal\Core\DependencyInjection\Compiler	core/lib/Drupal/Core/DependencyInjection/Compiler/TaggedHandlersPass.php	Collects services to add/inject them into a consumer service.		2
TaggedHandlersPassTest		class	Drupal\Tests\Core\DependencyInjection\Compiler	core/tests/Drupal/Tests/Core/DependencyInjection/Compiler/TaggedHandlersPassTest.php	Tests Drupal\Core\DependencyInjection\Compiler\TaggedHandlersPass.
TaggedWithTest		class	Drupal\Tests\views\Functional\Wizard	core/modules/views/tests/src/Functional/Wizard/TaggedWithTest.php	Tests the ability of the views wizard to create views filtered by taxonomy.
TaggingTest		class	Drupal\KernelTests\Core\Database	core/tests/Drupal/KernelTests/Core/Database/TaggingTest.php	Tests the tagging capabilities of the Select builder.
Tags		class	Drupal\Component\Utility	core/lib/Drupal/Component/Utility/Tags.php	Defines a class that can explode and implode tags.		8
TagsTest		class	Drupal\Tests\Core\Common	core/tests/Drupal/Tests/Core/Common/TagsTest.php	Tests explosion and implosion of autocomplete tags.
TagTest		class	Drupal\Tests\views_ui\Kernel	core/modules/views_ui/tests/src/Kernel/TagTest.php	Tests the views ui tagging functionality.
Tar	in drupal:11.3.0 and is removed from drupal:12.0.0. There is no replacement.	class	Drupal\Core\Archiver	core/lib/Drupal/Core/Archiver/Tar.php	Defines an archiver implementation for .tar files.	1	2
Tar		class	Drupal\system\Plugin\Archiver	core/modules/system/src/Plugin/Archiver/Tar.php	Defines an archiver implementation for .tar files.
Target		final class	Drupal\Component\Annotation\Doctrine\Annotation	core/lib/Drupal/Component/Annotation/Doctrine/Annotation/Target.php	Annotation that can be used to signal to the parser to check the annotation target during the parsing process.		2
TargetBundle	in drupal:11.3.0 and is removed from drupal:12.0.0. There is no replacement.	class	Drupal\taxonomy\Plugin\migrate\process	core/modules/taxonomy/src/Plugin/migrate/process/TargetBundle.php	Converts a Drupal 6 vocabulary ID to a target bundle array.
TargetIdResolver		class	Drupal\serialization\EntityResolver	core/modules/serialization/src/EntityResolver/TargetIdResolver.php	Resolves entities from data that contains an entity target ID.			2
TarTest		class	Drupal\KernelTests\Core\Archiver	core/tests/Drupal/KernelTests/Core/Archiver/TarTest.php	Tests Drupal\Core\Archiver\Tar.
Tasks		class	Drupal\mysqli\Driver\Database\mysqli\Install	core/modules/mysqli/src/Driver/Database/mysqli/Install/Tasks.php	Specifies installation tasks for MySQLi.
Tasks		class	Drupal\driver_missing_dependency_test\Driver\Database\MissingDependency\Install	core/tests/Drupal/Tests/Core/Database/fixtures/core/modules/driver_missing_dependency_test/src/Driver/Database/MissingDependency/Install/Tasks.php	Specifies fake installation tasks for test.
Tasks		class	Drupal\pgsql\Driver\Database\pgsql\Install	core/modules/pgsql/src/Driver/Database/pgsql/Install/Tasks.php	Specifies installation tasks for PostgreSQL databases.	1	1
Tasks		class	Drupal\core_fake\Driver\Database\CoreFake\Install	core/tests/fixtures/database_drivers/module/core_fake/src/Driver/Database/CoreFake/Install/Tasks.php	Specifies installation tasks for CoreFake.
Tasks		class	Drupal\core_fake\Driver\Database\CoreFakeWithAllCustomClasses\Install	core/tests/fixtures/database_drivers/module/core_fake/src/Driver/Database/CoreFakeWithAllCustomClasses/Install/Tasks.php	Specifies installation tasks for CoreFakeWithAllCustomClasses.
Tasks		class	Drupal\Core\Database\Driver\CoreFake\Install	core/tests/fixtures/database_drivers/core/CoreFake/Install/Tasks.php	The database installer structure for the fake database driver.	1	1
Tasks		class	Drupal\Driver\Database\CoreFake\Install	core/tests/fixtures/database_drivers/custom/CoreFake/Install/Tasks.php	The database installer structure for a custom database driver.
Tasks		class	Drupal\Driver\Database\fake\Install	core/tests/fixtures/database_drivers/custom/fake/Install/Tasks.php	A task for testing database drivers.

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