Classes, traits, and interfaces - 8.9.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 1511

Name	Deprecated	Object type	Namespace	File name	Summary	Direct uses	Use statements	Strings
MenuLinkContentJsonBasicAuthTest		class	Drupal\Tests\menu_link_content\Functional\Rest	core/modules/menu_link_content/tests/src/Functional/Rest/MenuLinkContentJsonBasicAuthTest.php	@group rest
MenuLinkContentJsonCookieTest		class	Drupal\Tests\menu_link_content\Functional\Rest	core/modules/menu_link_content/tests/src/Functional/Rest/MenuLinkContentJsonCookieTest.php	@group rest
MenuLinkContentResourceTestBase		abstract class	Drupal\Tests\menu_link_content\Functional\Rest	core/modules/menu_link_content/tests/src/Functional/Rest/MenuLinkContentResourceTestBase.php	ResourceTestBase for MenuLinkContent entity.	8	2
MenuLinkContentResourceTestBase	in drupal:8.6.0 and is removed from drupal:9.0.0. Use Drupal\Tests\menu_link_content\Functional\Rest\MenuLinkContentResourceTestBase instead.	abstract class	Drupal\Tests\rest\Functional\EntityResource\MenuLinkContent	core/modules/rest/tests/src/Functional/EntityResource/MenuLinkContent/MenuLinkContentResourceTestBase.php
MenuLinkContentStorage		class	Drupal\menu_link_content	core/modules/menu_link_content/src/MenuLinkContentStorage.php	Storage handler for menu_link_content entities.		1
MenuLinkContentStorageInterface		interface	Drupal\menu_link_content	core/modules/menu_link_content/src/MenuLinkContentStorageInterface.php	Defines an interface for menu_link_content entity storage classes.	1	1
MenuLinkContentStorageSchema		class	Drupal\menu_link_content	core/modules/menu_link_content/src/MenuLinkContentStorageSchema.php	Defines the menu_link_content schema handler.
MenuLinkContentTest		class	Drupal\Tests\jsonapi\Functional	core/modules/jsonapi/tests/src/Functional/MenuLinkContentTest.php	JSON:API integration test for the "MenuLinkContent" content entity type.
MenuLinkContentTranslationUITest		class	Drupal\Tests\menu_link_content\Functional	core/modules/menu_link_content/tests/src/Functional/MenuLinkContentTranslationUITest.php	Tests the menu link content translation UI.
MenuLinkContentUpdateTest		class	Drupal\Tests\menu_link_content\Functional\Update	core/modules/menu_link_content/tests/src/Functional/Update/MenuLinkContentUpdateTest.php	Tests the upgrade path for custom menu links.
MenuLinkContentXmlAnonTest		class	Drupal\Tests\menu_link_content\Functional\Rest	core/modules/menu_link_content/tests/src/Functional/Rest/MenuLinkContentXmlAnonTest.php	@group rest
MenuLinkContentXmlBasicAuthTest		class	Drupal\Tests\menu_link_content\Functional\Rest	core/modules/menu_link_content/tests/src/Functional/Rest/MenuLinkContentXmlBasicAuthTest.php	@group rest
MenuLinkContentXmlCookieTest		class	Drupal\Tests\menu_link_content\Functional\Rest	core/modules/menu_link_content/tests/src/Functional/Rest/MenuLinkContentXmlCookieTest.php	@group rest
MenuLinkDefault		class	Drupal\Core\Menu	core/lib/Drupal/Core/Menu/MenuLinkDefault.php	Provides a default implementation for menu link plugins.	1	3
MenuLinkDefaultForm		class	Drupal\Core\Menu\Form	core/lib/Drupal/Core/Menu/Form/MenuLinkDefaultForm.php	Provides an edit form for static menu links.	1	2
MenuLinkDefaultFormTest		class	Drupal\Tests\Core\Menu	core/tests/Drupal/Tests/Core/Menu/MenuLinkDefaultFormTest.php	@coversDefaultClass \Drupal\Core\Menu\Form\MenuLinkDefaultForm @group Menu
MenuLinkDefaultIntegrationTest		class	Drupal\KernelTests\Core\Menu	core/tests/Drupal/KernelTests/Core/Menu/MenuLinkDefaultIntegrationTest.php	Tests integration of static menu links.
MenuLinkDefaultTest		class	Drupal\Tests\Core\Menu	core/tests/Drupal/Tests/Core/Menu/MenuLinkDefaultTest.php	@coversDefaultClass \Drupal\Core\Menu\MenuLinkDefault @group Menu
MenuLinkEditForm		class	Drupal\menu_ui\Form	core/modules/menu_ui/src/Form/MenuLinkEditForm.php	Defines a generic edit form for all menu link plugin types.			1
MenuLinkFormInterface		interface	Drupal\Core\Menu\Form	core/lib/Drupal/Core/Menu/Form/MenuLinkFormInterface.php	Defines an interface for edit forms of menu links.	1
MenuLinkInterface		interface	Drupal\Core\Menu	core/lib/Drupal/Core/Menu/MenuLinkInterface.php	Defines an interface for classes providing a type of menu link.	1	7
MenuLinkManager		class	Drupal\Core\Menu	core/lib/Drupal/Core/Menu/MenuLinkManager.php	Manages discovery, instantiation, and tree building of menu link plugins.			2
MenuLinkManagerInterface		interface	Drupal\Core\Menu	core/lib/Drupal/Core/Menu/MenuLinkManagerInterface.php	Defines an interface for managing menu links and storing their definitions.	1	10
MenuLinkMock		class	Drupal\Tests\Core\Menu	core/tests/Drupal/Tests/Core/Menu/MenuLinkMock.php	Defines a mock implementation of a menu link used in tests only.	1	3
MenuLinkParent		class	Drupal\migrate\Plugin\migrate\process	core/modules/migrate/src/Plugin/migrate/process/MenuLinkParent.php	This plugin figures out menu link parent plugin IDs.		1
MenuLinkParentTest		class	Drupal\Tests\migrate\Unit\process	core/modules/migrate/tests/src/Unit/process/MenuLinkParentTest.php	Tests the menu link parent process plugin.
MenuLinkPluginConverter		class	Drupal\Core\ProxyClass\ParamConverter	core/lib/Drupal/Core/ProxyClass/ParamConverter/MenuLinkPluginConverter.php	Provides a proxy class for \Drupal\Core\ParamConverter\MenuLinkPluginConverter.
MenuLinkPluginConverter		class	Drupal\Core\ParamConverter	core/lib/Drupal/Core/ParamConverter/MenuLinkPluginConverter.php	Parameter converter for upcasting entity ids to full objects.			2
MenuLinkPluginTest		class	Drupal\Tests\menu_link_content\Unit	core/modules/menu_link_content/tests/src/Unit/MenuLinkPluginTest.php	@coversDefaultClass \Drupal\menu_link_content\Plugin\Menu\MenuLinkContent
MenuLinkReorderTest		class	Drupal\Tests\menu_ui\Functional	core/modules/menu_ui/tests/src/Functional/MenuLinkReorderTest.php	Reorder menu items.
MenuLinkResetForm		class	Drupal\menu_ui\Form	core/modules/menu_ui/src/Form/MenuLinkResetForm.php	Defines a confirmation form for resetting a single modified menu link.			1
MenuLinkSecurityTest		class	Drupal\Tests\system\Functional\Menu	core/modules/system/tests/src/Functional/Menu/MenuLinkSecurityTest.php	Ensures that menu links don't cause XSS issues.
MenuLinksTest		class	Drupal\Tests\menu_link_content\Kernel	core/modules/menu_link_content/tests/src/Kernel/MenuLinksTest.php	Tests handling of menu links hierarchies.
MenuLinkTest		class	Drupal\Tests\menu_link_content\Kernel\Plugin\migrate\source	core/modules/menu_link_content/tests/src/Kernel/Plugin/migrate/source/MenuLinkTest.php	Tests the menu link source plugin.
MenuLinkTest		class	Drupal\Tests\views\Functional\Plugin	core/modules/views/tests/src/Functional/Plugin/MenuLinkTest.php	Tests the menu links created in views.
MenuLinkTestWithUnsafeTitle		class	Drupal\menu_test\Plugin\Derivative	core/modules/system/tests/modules/menu_test/src/Plugin/Derivative/MenuLinkTestWithUnsafeTitle.php	Test derivative with an unsafe string.			1
MenuLinkTranslation		class	Drupal\menu_link_content\Plugin\migrate\source\d6	core/modules/menu_link_content/src/Plugin/migrate/source/d6/MenuLinkTranslation.php	Gets Menu link translations from source database.
MenuLinkTranslationTest		class	Drupal\Tests\menu_link_content\Kernel\Plugin\migrate\source\d6	core/modules/menu_link_content/tests/src/Kernel/Plugin/migrate/source/d6/MenuLinkTranslationTest.php	Tests menu link translation source plugin.
MenuLinkTree		class	Drupal\Core\Menu	core/lib/Drupal/Core/Menu/MenuLinkTree.php	Implements the loading, transforming and rendering of menu link trees.	1	2	2
MenuLinkTreeElement		class	Drupal\Core\Menu	core/lib/Drupal/Core/Menu/MenuLinkTreeElement.php	Provides a value object to model an element in a menu link tree.		5
MenuLinkTreeElementTest		class	Drupal\Tests\Core\Menu	core/tests/Drupal/Tests/Core/Menu/MenuLinkTreeElementTest.php	Tests the menu link tree element value object.
MenuLinkTreeInterface		interface	Drupal\Core\Menu	core/lib/Drupal/Core/Menu/MenuLinkTreeInterface.php	Defines an interface for loading, transforming and rendering menu link trees.	1	4
MenuLinkTreeTest		class	Drupal\KernelTests\Core\Menu	core/tests/Drupal/KernelTests/Core/Menu/MenuLinkTreeTest.php	Tests the menu link tree.
MenuLinkTreeTest		class	Drupal\Tests\system\Unit\Menu	core/modules/system/tests/src/Unit/Menu/MenuLinkTreeTest.php	@coversDefaultClass \Drupal\Core\Menu\MenuLinkTree @group Menu
MenuListBuilder		class	Drupal\menu_ui	core/modules/menu_ui/src/MenuListBuilder.php	Defines a class to build a listing of menu entities.
MenuParentFormSelector		class	Drupal\Core\Menu	core/lib/Drupal/Core/Menu/MenuParentFormSelector.php	Default implementation of the menu parent form selector service.			2
MenuParentFormSelectorInterface		interface	Drupal\Core\Menu	core/lib/Drupal/Core/Menu/MenuParentFormSelectorInterface.php	Defines an interface for menu selector form elements and menu link options.	1	4
MenuResourceTestBase		abstract class	Drupal\Tests\system\Functional\Rest	core/modules/system/tests/src/Functional/Rest/MenuResourceTestBase.php		10	4
MenuResourceTestBase	in drupal:8.6.0 and is removed from drupal:9.0.0. Use Drupal\Tests\system\Functional\Rest\MenuResourceTestBase instead.	abstract class	Drupal\Tests\rest\Functional\EntityResource\Menu	core/modules/rest/tests/src/Functional/EntityResource/Menu/MenuResourceTestBase.php
MenuRouterRebuildSubscriber		class	Drupal\Core\EventSubscriber	core/lib/Drupal/Core/EventSubscriber/MenuRouterRebuildSubscriber.php	Rebuilds the default menu links and runs menu-specific code if necessary.			2

Other projects

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