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
ViewsConfigUpdater		class	Drupal\views	core/modules/views/src/ViewsConfigUpdater.php	Provides a BC layer for modules providing old configurations.		4
ViewsConfigUpdaterTest		class	Drupal\Tests\views\Kernel	core/modules/views/tests/src/Kernel/ViewsConfigUpdaterTest.php	Tests Drupal\views\ViewsConfigUpdater.
ViewsConfigUpdaterTest		class	Drupal\Tests\views\Functional	core/modules/views/tests/src/Functional/ViewsConfigUpdaterTest.php	Tests the views config updater service.
ViewsData		class	Drupal\views	core/modules/views/src/ViewsData.php	Class to manage and lazy load cached views data.		19	2
ViewsData		class	Drupal\content_moderation	core/modules/content_moderation/src/ViewsData.php	Provides the content_moderation views integration.		1
ViewsDataHelper		class	Drupal\views	core/modules/views/src/ViewsDataHelper.php	Defines a helper class for stuff related to views data.		1	2
ViewsDataHelperTest		class	Drupal\Tests\views\Unit	core/modules/views/tests/src/Unit/ViewsDataHelperTest.php	Tests Drupal\views\ViewsDataHelper.
ViewsDataIntegrationTest		class	Drupal\Tests\content_moderation\Kernel	core/modules/content_moderation/tests/src/Kernel/ViewsDataIntegrationTest.php	Tests the views integration of content_moderation.
ViewsDataTest		class	Drupal\Tests\options\Kernel\Views	core/modules/options/tests/src/Kernel/Views/ViewsDataTest.php	Test to ensure views data is properly created for the Options module.
ViewsDataTest		class	Drupal\Tests\views\Unit	core/modules/views/tests/src/Unit/ViewsDataTest.php	Tests Drupal\views\ViewsData.
ViewsDataTest		class	Drupal\Tests\views\Kernel	core/modules/views/tests/src/Kernel/ViewsDataTest.php	Tests the service views.views_data.
ViewsDisplay		class	Drupal\views\Attribute	core/modules/views/src/Attribute/ViewsDisplay.php	Defines a Plugin attribute object for views display plugins.		10
ViewsDisplay		class	Drupal\views\Annotation	core/modules/views/src/Annotation/ViewsDisplay.php	Defines a Plugin annotation object for views display plugins.
ViewsDisplayExtender		class	Drupal\views\Attribute	core/modules/views/src/Attribute/ViewsDisplayExtender.php	Defines a Plugin attribute object for views display extender plugins.		4
ViewsDisplayExtender		class	Drupal\views\Annotation	core/modules/views/src/Annotation/ViewsDisplayExtender.php	Defines a Plugin annotation object for views display extender plugins.
ViewSelectionEntityReferenceTest		class	Drupal\Tests\views\Kernel\Entity	core/modules/views/tests/src/Kernel/Entity/ViewSelectionEntityReferenceTest.php	Tests the ViewSelection EntityReferenceSelection plugin.
ViewsEntityArgumentValidator		class	Drupal\views\Plugin\Derivative	core/modules/views/src/Plugin/Derivative/ViewsEntityArgumentValidator.php	Provides views argument validator plugin definitions for all entity types.		1
ViewsEntityRow		class	Drupal\views\Plugin\Derivative	core/modules/views/src/Plugin/Derivative/ViewsEntityRow.php	Provides views row plugin definitions for all non-special entity types.		1
ViewsEntitySchemaSubscriber		class	Drupal\views\EventSubscriber	core/modules/views/src/EventSubscriber/ViewsEntitySchemaSubscriber.php	Reacts to changes on entity types to update all views entities.			2
ViewsEntitySchemaSubscriberIntegrationTest		class	Drupal\Tests\views\Kernel\EventSubscriber	core/modules/views/tests/src/Kernel/EventSubscriber/ViewsEntitySchemaSubscriberIntegrationTest.php	Tests \Drupal\views\EventSubscriber\ViewsEntitySchemaSubscriber.
ViewsEntityTestHooks		class	Drupal\views_entity_test\Hook	core/modules/views/tests/modules/views_entity_test/src/Hook/ViewsEntityTestHooks.php	Hook implementations for views_entity_test.
ViewsEscapingTest		class	Drupal\Tests\views\Functional	core/modules/views/tests/src/Functional/ViewsEscapingTest.php	Tests output of Views.
ViewsExposedFilterBlock		class	Drupal\views\Plugin\Derivative	core/modules/views/src/Plugin/Derivative/ViewsExposedFilterBlock.php	Provides block plugin definitions for all Views exposed filters.		1
ViewsExposedFilterBlock		class	Drupal\views\Plugin\Block	core/modules/views/src/Plugin/Block/ViewsExposedFilterBlock.php	Provides a 'Views Exposed Filter' block.
ViewsExposedForm		class	Drupal\views\Attribute	core/modules/views/src/Attribute/ViewsExposedForm.php	Defines a Plugin attribute object for views exposed form plugins.		2
ViewsExposedForm		class	Drupal\views\Form	core/modules/views/src/Form/ViewsExposedForm.php	Provides the views exposed form.
ViewsExposedForm		class	Drupal\views\Annotation	core/modules/views/src/Annotation/ViewsExposedForm.php	Defines a Plugin annotation object for views exposed form plugins.
ViewsField		class	Drupal\views\Attribute	core/modules/views/src/Attribute/ViewsField.php	Defines a Plugin attribute class for views field handlers.		55
ViewsField		class	Drupal\views\Annotation	core/modules/views/src/Annotation/ViewsField.php	Defines a Plugin annotation object for views field handlers.
ViewsFilter		class	Drupal\views\Attribute	core/modules/views/src/Attribute/ViewsFilter.php	Defines a Plugin attribute class for views filter handlers.		40
ViewsFilter		class	Drupal\views\Annotation	core/modules/views/src/Annotation/ViewsFilter.php	Defines a Plugin annotation object for views filter handlers.
ViewsForm		class	Drupal\views\Form	core/modules/views/src/Form/ViewsForm.php	Provides a base class for single- or multistep view forms.		6
ViewsFormAjaxHelperTrait		trait	Drupal\views	core/modules/views/src/ViewsFormAjaxHelperTrait.php	Provides reusable code to be shared by Views Ajax forms.		3
ViewsFormAlterTest		class	Drupal\Tests\views\Functional	core/modules/views/tests/src/Functional/ViewsFormAlterTest.php	Tests hook_form_BASE_FORM_ID_alter for a ViewsForm.
ViewsFormBase		abstract class	Drupal\views_ui\Form\Ajax	core/modules/views_ui/src/Form/Ajax/ViewsFormBase.php	Provides a base class for Views UI AJAX forms.	10
ViewsFormHelperTrait		trait	Drupal\views	core/modules/views/src/ViewsFormHelperTrait.php	Provides reusable code to be shared by Views forms.		6
ViewsFormInterface		interface	Drupal\views_ui\Form\Ajax	core/modules/views_ui/src/Form/Ajax/ViewsFormInterface.php	Provides an interface for the Views UI AJAX forms.	1	3
ViewsFormMainForm		class	Drupal\views\Form	core/modules/views/src/Form/ViewsFormMainForm.php	Provides a default main form class for Views forms.		1
ViewsFormMultipleTest		class	Drupal\Tests\views\Functional	core/modules/views/tests/src/Functional/ViewsFormMultipleTest.php	Tests a page with multiple Views forms.
ViewsFormTest		class	Drupal\Tests\views\Functional\Plugin	core/modules/views/tests/src/Functional/Plugin/ViewsFormTest.php	Tests Views forms functionality.
ViewsFormTestHooks		class	Drupal\views_form_test\Hook	core/modules/views/tests/modules/views_form_test/src/Hook/ViewsFormTestHooks.php	Hook implementations for views_form_test.
ViewsHandlerAnnotationBase		abstract class	Drupal\views\Annotation	core/modules/views/src/Annotation/ViewsHandlerAnnotationBase.php	Defines an abstract base class for all views handler annotations.	7
ViewsHandlerInterface		interface	Drupal\views\Plugin\views	core/modules/views/src/Plugin/views/ViewsHandlerInterface.php	Provides an interface for all views handlers.	2	5
ViewsHandlerManager		class	Drupal\views\Plugin	core/modules/views/src/Plugin/ViewsHandlerManager.php	Plugin type manager for all views handlers.		6	8
ViewsHandlerManagerTest		class	Drupal\Tests\views\Unit	core/modules/views/tests/src/Unit/ViewsHandlerManagerTest.php	Tests the ViewsHandlerManager class.
ViewsHooks		class	Drupal\views\Hook	core/modules/views/src/Hook/ViewsHooks.php	Hook implementations for views.
ViewsHooks		class	Drupal\admin\Hook	core/themes/admin/src/Hook/ViewsHooks.php	Provides views related hook implementations.
ViewsHooks		class	Drupal\default_admin\Hook	core/themes/default_admin/src/Hook/ViewsHooks.php	Provides views related hook implementations.
ViewsHooksTest		class	Drupal\Tests\views\Kernel	core/modules/views/tests/src/Kernel/ViewsHooksTest.php	Tests that views hooks are registered when defined in $module.views.inc.
ViewsIntegrationTest		class	Drupal\Tests\responsive_image\Functional	core/modules/responsive_image/tests/src/Functional/ViewsIntegrationTest.php	Tests the integration of responsive image with Views.

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