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
ViewsMenuLinkForm		class	Drupal\views\Plugin\Menu\Form	core/modules/views/src/Plugin/Menu/Form/ViewsMenuLinkForm.php	Provides a form to edit Views menu links.			1
ViewsMenuLinkTest		class	Drupal\Tests\views\Kernel\Plugin\Display	core/modules/views/tests/src/Kernel/Plugin/Display/ViewsMenuLinkTest.php	Menu link test.
ViewsModerationStateFilterTest		class	Drupal\Tests\content_moderation\Kernel	core/modules/content_moderation/tests/src/Kernel/ViewsModerationStateFilterTest.php	Tests the views 'moderation_state_filter' filter plugin.
ViewsModerationStateFilterTest		class	Drupal\Tests\content_moderation\Functional	core/modules/content_moderation/tests/src/Functional/ViewsModerationStateFilterTest.php	Tests the views 'moderation_state_filter' filter plugin.
ViewsModerationStateSortTest		class	Drupal\Tests\content_moderation\Kernel	core/modules/content_moderation/tests/src/Kernel/ViewsModerationStateSortTest.php	Tests the views moderation_state field sorting integration.
ViewsMultilingualTest		class	Drupal\Tests\search\Functional\views	core/modules/search/tests/src/Functional/views/ViewsMultilingualTest.php	Tests search integration filters with multilingual nodes.
ViewsNoResultsBehaviorTest		class	Drupal\Tests\views\Functional	core/modules/views/tests/src/Functional/ViewsNoResultsBehaviorTest.php	Tests no results behavior.
ViewsOperations		class	Drupal\workspaces\Hook	core/modules/workspaces/src/Hook/ViewsOperations.php	Defines a class for altering views queries.
ViewsPager		class	Drupal\views\Attribute	core/modules/views/src/Attribute/ViewsPager.php	Defines a views pager plugins type attribute for plugin discovery.		4
ViewsPager		class	Drupal\views\Annotation	core/modules/views/src/Annotation/ViewsPager.php	Defines a Plugin annotation object for views pager plugins.
ViewsPluginAnnotationBase		abstract class	Drupal\views\Annotation	core/modules/views/src/Annotation/ViewsPluginAnnotationBase.php	Defines an abstract base class for all views plugin annotations.	12
ViewsPluginInterface		interface	Drupal\views\Plugin\views	core/modules/views/src/Plugin/views/ViewsPluginInterface.php	Provides an interface for all views plugins.	3	2
ViewsPluginManager		class	Drupal\views\Plugin	core/modules/views/src/Plugin/ViewsPluginManager.php	Plugin type manager for all views plugins.		12	13
ViewsPreprocessTest		class	Drupal\Tests\views\Kernel	core/modules/views/tests/src/Kernel/ViewsPreprocessTest.php	Tests the preprocessing functionality in views theme hooks.
ViewsQuery		class	Drupal\views\Attribute	core/modules/views/src/Attribute/ViewsQuery.php	Defines a ViewsQuery attribute for plugin discovery.		2
ViewsQuery		class	Drupal\views\Annotation	core/modules/views/src/Annotation/ViewsQuery.php	Defines a Plugin annotation object for views query plugins.
ViewsRelationship		class	Drupal\views\Attribute	core/modules/views/src/Attribute/ViewsRelationship.php	Defines a Plugin attribute class for views relationship handlers.		5
ViewsRelationship		class	Drupal\views\Annotation	core/modules/views/src/Annotation/ViewsRelationship.php	Defines a Plugin annotation object for views relationship handlers.
ViewsRenderPipelineMarkup		final class	Drupal\views\Render	core/modules/views/src/Render/ViewsRenderPipelineMarkup.php	Defines an object that passes safe strings through the Views render system.		10
ViewsRow		class	Drupal\views\Attribute	core/modules/views/src/Attribute/ViewsRow.php	Defines a ViewsRow attribute for plugin discovery.		13
ViewsRow		class	Drupal\views\Annotation	core/modules/views/src/Annotation/ViewsRow.php	Defines a Plugin annotation object for views row plugins.
ViewsSearchQuery		class	Drupal\search	core/modules/search/src/ViewsSearchQuery.php	Extends the core SearchQuery to be able to gets its protected values.	1	3
ViewsSearchQuery		class	Drupal\core_fake\Driver\Database\CoreFakeWithAllCustomClasses	core/tests/fixtures/database_drivers/module/core_fake/src/Driver/Database/CoreFakeWithAllCustomClasses/ViewsSearchQuery.php	CoreFakeWithAllCustomClasses implementation of \Drupal\search\ViewsSearchQuery.
ViewsSelection		class	Drupal\views\Plugin\EntityReferenceSelection	core/modules/views/src/Plugin/EntityReferenceSelection/ViewsSelection.php	Plugin implementation of the 'selection' entity_reference.		1
ViewsSort		class	Drupal\views\Attribute	core/modules/views/src/Attribute/ViewsSort.php	Defines a Plugin attribute object for views sort handlers.		11
ViewsSort		class	Drupal\views\Annotation	core/modules/views/src/Annotation/ViewsSort.php	Defines a Plugin annotation object for views sort handlers.
ViewsSqlExceptionTest		class	Drupal\Tests\views\Kernel\Plugin	core/modules/views/tests/src/Kernel/Plugin/ViewsSqlExceptionTest.php	Tests the views exception handling.
ViewsStyle		class	Drupal\views\Attribute	core/modules/views/src/Attribute/ViewsStyle.php	Defines a views style plugins type attribute for plugin discovery.		14
ViewsStyle		class	Drupal\views\Annotation	core/modules/views/src/Annotation/ViewsStyle.php	Defines a Plugin annotation object for views style plugins.
ViewsTemplateTest		class	Drupal\Tests\views\Kernel	core/modules/views/tests/src/Kernel/ViewsTemplateTest.php	Tests the template retrieval of views.
ViewsTest		class	Drupal\Tests\views\Unit	core/modules/views/tests/src/Unit/ViewsTest.php	Tests Drupal\views\Views.
ViewsTest		class	Drupal\Tests\mysql\Kernel\mysql	core/modules/mysql/tests/src/Kernel/mysql/ViewsTest.php	Tests views service.
ViewsTestCacheContext		class	Drupal\views_test_data\Cache	core/modules/views/tests/modules/views_test_data/src/Cache/ViewsTestCacheContext.php	Test cache context which uses a dynamic context coming from state.			2
ViewsTestCacheContextFilter		class	Drupal\views_test_data\Plugin\views\filter	core/modules/views/tests/modules/views_test_data/src/Plugin/views/filter/ViewsTestCacheContextFilter.php	Provides a test filter plugin with a custom cache context.
ViewsTestCheckboxesThemeHooks		class	Drupal\views_test_checkboxes_theme\Hook	core/modules/views/tests/themes/views_test_checkboxes_theme/src/Hook/ViewsTestCheckboxesThemeHooks.php	Form alter hooks for views tests.
ViewsTestConfigHooks		class	Drupal\views_test_config\Hook	core/modules/views/tests/modules/views_test_config/src/Hook/ViewsTestConfigHooks.php	Hook implementations for views_test_config.
ViewsTestConfigUpdaterHooks		class	Drupal\views_test_config_updater\Hook	core/modules/views/tests/modules/views_test_config_updater/src/Hook/ViewsTestConfigUpdaterHooks.php	Hooks for the views_test_config_updater module.
ViewsTestDataController		class	Drupal\views_test_data\Controller	core/modules/views/tests/modules/views_test_data/src/Controller/ViewsTestDataController.php	Controller class for views_test_data callbacks.
ViewsTestDataElementEmbedForm		class	Drupal\views_test_data\Form	core/modules/views/tests/modules/views_test_data/src/Form/ViewsTestDataElementEmbedForm.php	Simple form page callback to test the view element.			1
ViewsTestDataElementForm		class	Drupal\views_test_data\Form	core/modules/views/tests/modules/views_test_data/src/Form/ViewsTestDataElementForm.php	Simple form page callback to test the view element.			1
ViewsTestDataErrorForm		class	Drupal\views_test_data\Form	core/modules/views/tests/modules/views_test_data/src/Form/ViewsTestDataErrorForm.php	Implements a test form that has a validation error.
ViewsTestDataHooks		class	Drupal\views_test_data\Hook	core/modules/views/tests/modules/views_test_data/src/Hook/ViewsTestDataHooks.php	Hook implementations for views_test_data.
ViewsTestDataThemeHooks		class	Drupal\views_test_data\Hook	core/modules/views/tests/modules/views_test_data/src/Hook/ViewsTestDataThemeHooks.php	Hook implementations for views_test_data.
ViewsTestDataViewsExecutionHooks		class	Drupal\views_test_data\Hook	core/modules/views/tests/modules/views_test_data/src/Hook/ViewsTestDataViewsExecutionHooks.php	Hook implementations for views_test_data.
ViewsTestDataViewsHooks		class	Drupal\views_test_data\Hook	core/modules/views/tests/modules/views_test_data/src/Hook/ViewsTestDataViewsHooks.php	Hook implementations for views_test_data.
ViewsTestEntity		class	Drupal\Tests\views\Kernel\Entity	core/modules/views/tests/src/Kernel/Entity/EntityViewsDataTest.php	Generic entity class for our test entity types.
ViewsTestEntityReferenceHooks		class	Drupal\views_test_entity_reference\Hook	core/modules/views/tests/modules/views_test_entity_reference/src/Hook/ViewsTestEntityReferenceHooks.php	Hook implementations for views_test_entity_reference.
ViewsTestFormMultipleController		class	Drupal\views_test_data\Controller	core/modules/views/tests/modules/views_test_data/src/Controller/ViewsTestFormMultipleController.php	Controller routines for views form multiple test routes.
ViewsTestQueryAccessHooks		class	Drupal\views_test_query_access\Hook	core/modules/views/tests/modules/views_test_query_access/src/Hook/ViewsTestQueryAccessHooks.php	Hook implementations for views_test_query_access.
ViewsTestRenderCacheController		class	Drupal\views_test_render_cache\Controller	core/modules/views/tests/modules/views_test_render_cache/src/Controller/ViewsTestRenderCacheController.php	Provides route responses.

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