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
DesignToken		class	Drupal\Core\Theme\DesignToken	core/lib/Drupal/Core/Theme/DesignToken/DesignToken.php	A token: distinguishable by containing a $value property.		3
DesignTokenConfigEntityKernelTest		class	Drupal\KernelTests\Core\Theme\DesignToken	core/tests/Drupal/KernelTests/Core/Theme/DesignToken/DesignTokenConfigEntityKernelTest.php	Tests values are from test module design_tokens_test.
DesignTokenEntityTest		class	Drupal\Tests\Core\Theme\DesignToken	core/tests/Drupal/Tests/Core/Theme/DesignToken/DesignTokenEntityTest.php	Tests design token entity.
DesignTokenInterface		interface	Drupal\Core\Theme\Entity	core/lib/Drupal/Core/Theme/Entity/DesignTokenInterface.php	Interface for design token config entity.	1	2
DesignTokenJsonAnonTest		class	Drupal\FunctionalTests\Rest	core/tests/Drupal/FunctionalTests/Rest/DesignTokenJsonAnonTest.php	Tests Design Token Json Anon.
DesignTokenJsonBasicAuthTest		class	Drupal\FunctionalTests\Rest	core/tests/Drupal/FunctionalTests/Rest/DesignTokenJsonBasicAuthTest.php	Tests Design Token Json Basic Auth.
DesignTokenJsonCookieTest		class	Drupal\FunctionalTests\Rest	core/tests/Drupal/FunctionalTests/Rest/DesignTokenJsonCookieTest.php	Tests Design Token Json Cookie.
DesignTokenPluginManager		class	Drupal\Core\Theme\DesignToken	core/lib/Drupal/Core/Theme/DesignToken/DesignTokenPluginManager.php	Defines a design tokens plugin manager.		2	2
DesignTokenPluginManagerInterface		interface	Drupal\Core\Theme\DesignToken	core/lib/Drupal/Core/Theme/DesignToken/DesignTokenPluginManagerInterface.php	Interface for design token manager.	1	2
DesignTokenPluginManagerKernelTest		class	Drupal\KernelTests\Core\Theme\DesignToken	core/tests/Drupal/KernelTests/Core/Theme/DesignToken/DesignTokenPluginManagerKernelTest.php	Tests values are from test module design_tokens_test.
DesignTokenPluginManagerTest		class	Drupal\Tests\Core\Theme\DesignToken	core/tests/Drupal/Tests/Core/Theme/DesignToken/DesignTokenPluginManagerTest.php	Tests design token plugin manager.
DesignTokenResourceTestBase		abstract class	Drupal\FunctionalTests\Rest	core/tests/Drupal/FunctionalTests/Rest/DesignTokenResourceTestBase.php	Resource test base for the design_token entity.	6
DesignTokenTest		class	Drupal\Tests\jsonapi\Functional	core/modules/jsonapi/tests/src/Functional/DesignTokenTest.php	JSON:API integration test for the "DesignToken" config entity type.
DesignTokenTest		class	Drupal\Tests\Core\Theme\DesignToken	core/tests/Drupal/Tests/Core/Theme/DesignToken/DesignTokenTest.php	Tests design token object.
DesignTokenValidationTest		class	Drupal\KernelTests\Core\Theme\DesignToken	core/tests/Drupal/KernelTests/Core/Theme/DesignToken/DesignTokenValidationTest.php	Tests validation of design_token entities.
DesignTokenValue		class	Drupal\Core\Theme\DesignToken\Attribute	core/lib/Drupal/Core/Theme/DesignToken/Attribute/DesignTokenValue.php	Defines design token value attribute.		6
DesignTokenValueInterface		interface	Drupal\Core\Theme\DesignToken	core/lib/Drupal/Core/Theme/DesignToken/DesignTokenValueInterface.php	Interface for design tokens value plugins.	1	2	1
DesignTokenValuePluginBase		abstract class	Drupal\Core\Theme\DesignToken	core/lib/Drupal/Core/Theme/DesignToken/DesignTokenValuePluginBase.php	Base class for design token value plugins.	5	7
DesignTokenValuePluginBaseTest		class	Drupal\Tests\Core\Theme\DesignToken	core/tests/Drupal/Tests/Core/Theme/DesignToken/DesignTokenValuePluginBaseTest.php	Tests design token value base methods.
DesignTokenValuePluginCollection		class	Drupal\Core\Theme\DesignToken	core/lib/Drupal/Core/Theme/DesignToken/DesignTokenValuePluginCollection.php	A collection of design token value plugins.		2
DesignTokenValuePluginManager		class	Drupal\Core\Theme\DesignToken	core/lib/Drupal/Core/Theme/DesignToken/DesignTokenValuePluginManager.php	Defines a design token value plugin manager.		1	2
DesignTokenValuePluginManagerInterface		interface	Drupal\Core\Theme\DesignToken	core/lib/Drupal/Core/Theme/DesignToken/DesignTokenValuePluginManagerInterface.php	Interface for design token value manager.	1	6
DesignTokenValuePluginManagerKernelTest		class	Drupal\KernelTests\Core\Theme\DesignToken	core/tests/Drupal/KernelTests/Core/Theme/DesignToken/DesignTokenValuePluginManagerKernelTest.php	Tests the design token value plugin manager.
DesignTokenValuePluginTestBase		abstract class	Drupal\Tests\Core\Theme\DesignToken	core/tests/Drupal/Tests/Core/Theme/DesignToken/DesignTokenValuePluginTestBase.php	Base class for testing design token value plugins.	5	5
DesignTokenXmlAnonTest		class	Drupal\FunctionalTests\Rest	core/tests/Drupal/FunctionalTests/Rest/DesignTokenXmlAnonTest.php	Tests Design Token Xml Anon.
DesignTokenXmlBasicAuthTest		class	Drupal\FunctionalTests\Rest	core/tests/Drupal/FunctionalTests/Rest/DesignTokenXmlBasicAuthTest.php	Tests Design Token Xml Basic Auth.
DesignTokenXmlCookieTest		class	Drupal\FunctionalTests\Rest	core/tests/Drupal/FunctionalTests/Rest/DesignTokenXmlCookieTest.php	Tests Design Token Xml Cookie.
DestinationBase		abstract class	Drupal\migrate\Plugin\migrate\destination	core/modules/migrate/src/Plugin/migrate/destination/DestinationBase.php	Base class for migrate destination classes.	9	5
DestinationCategoryTest		class	Drupal\Tests\migrate_drupal\Kernel\Plugin\migrate	core/modules/migrate_drupal/tests/src/Kernel/Plugin/migrate/DestinationCategoryTest.php	Tests that all migrations are tagged as either content or configuration.
DestinationTest		class	Drupal\Tests\system\Functional\Routing	core/modules/system/tests/src/Functional/Routing/DestinationTest.php	Tests for $_GET['destination'] and $_REQUEST['destination'] validation.
Destructable		final class	Drupal\destructable_test	core/modules/system/tests/modules/destructable_test/src/Destructable.php	Manages a semaphore file and performs an action upon destruction.		1
DestructableInterface		interface	Drupal\Core	core/lib/Drupal/Core/DestructableInterface.php	The interface for services that need explicit destruction.	11	9
DestructableServiceTest		class	Drupal\FunctionalTests\HttpKernel	core/tests/Drupal/FunctionalTests/HttpKernel/DestructableServiceTest.php	Tests invocation of services performing deferred tasks after response flush.
Details		class	Drupal\Core\Render\Element	core/lib/Drupal/Core/Render/Element/Details.php	Provides a render element for a details element, similar to a fieldset.
DevelopmentSettingsForm		class	Drupal\system\Form	core/modules/system/src/Form/DevelopmentSettingsForm.php	Configure development settings for this site.			1
DevelopmentSettingsFormTest		class	Drupal\Tests\system\FunctionalJavascript\Form	core/modules/system/tests/src/FunctionalJavascript/Form/DevelopmentSettingsFormTest.php	Tests development settings form items for expected behavior.
DevelopmentSettingsPass		class	Drupal\Core\DependencyInjection\Compiler	core/lib/Drupal/Core/DependencyInjection/Compiler/DevelopmentSettingsPass.php	Defines a compiler pass to register development settings.		1
DevReleaseTest		class	Drupal\Tests\update\Kernel	core/modules/update/tests/src/Kernel/DevReleaseTest.php	Tests the project data when the installed version is a dev version.
DHooks		class	Drupal\ddd_hook_order_test\Hook	core/modules/system/tests/modules/HookOrder/ddd_hook_order_test/src/Hook/DHooks.php	Provides hook implementations for testing the execution order of hooks.		1
DialogDeprecationsTest		class	Drupal\FunctionalJavascriptTests\Dialog	core/tests/Drupal/FunctionalJavascriptTests/Dialog/DialogDeprecationsTest.php	Tests jQuery events deprecations.
DialogFormLink		class	Drupal\ajax_forms_test\Controller	core/modules/system/tests/modules/ajax_forms_test/src/Controller/DialogFormLink.php	Test class to create dialog form link.
DialogPositionTest		class	Drupal\FunctionalJavascriptTests\Dialog	core/tests/Drupal/FunctionalJavascriptTests/Dialog/DialogPositionTest.php	Tests the JavaScript functionality of the dialog position.
DialogRenderer		class	Drupal\Core\Render\MainContent	core/lib/Drupal/Core/Render/MainContent/DialogRenderer.php	Default main content renderer for dialog requests.	2		2
DialogTest		class	Drupal\FunctionalJavascriptTests\Ajax	core/tests/Drupal/FunctionalJavascriptTests/Ajax/DialogTest.php	Performs tests on opening and manipulating dialogs via AJAX commands.
DialogTestEntityEditForm		class	Drupal\dialog_test	core/modules/system/tests/modules/dialog_test/src/DialogTestEntityEditForm.php	Base form for dialog test entity form edit form.		1
DialogTestEntityForm		class	Drupal\dialog_test\Entity	core/modules/system/tests/modules/dialog_test/src/Entity/DialogTestEntityForm.php	Define the dialog test entity form entity.
Diff		class	Drupal\Component\Diff	core/lib/Drupal/Component/Diff/Diff.php	Class representing a 'diff' between two sequences of strings.	1	3
DiffArray		class	Drupal\Component\Utility	core/lib/Drupal/Component/Utility/DiffArray.php	Provides helpers to perform diffs on multi dimensional arrays.		3
DiffArrayTest		class	Drupal\Tests\Core\Common	core/tests/Drupal/Tests/Core/Common/DiffArrayTest.php	Tests the DiffArray helper class.
DiffFormatter		class	Drupal\Component\Diff	core/lib/Drupal/Component/Diff/DiffFormatter.php	A class to format Diffs.	1	2

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