Classes, traits, and interfaces - 10.3.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 1518

Name	Deprecated	Object type	Namespace	File name	Summary	Direct uses	Use statements	Strings
ContactForm		class	Drupal\contact\Entity	core/modules/contact/src/Entity/ContactForm.php	Defines the contact form entity.		15
ContactFormAccessControlHandler		class	Drupal\contact	core/modules/contact/src/ContactFormAccessControlHandler.php	Defines the access control handler for the contact form entity type.
ContactFormEditForm		class	Drupal\contact	core/modules/contact/src/ContactFormEditForm.php	Base form for contact form edit forms.
ContactFormInterface		interface	Drupal\contact	core/modules/contact/src/ContactFormInterface.php	Provides an interface defining a contact form entity.	1	5
ContactFormJsonAnonTest		class	Drupal\Tests\contact\Functional\Rest	core/modules/contact/tests/src/Functional/Rest/ContactFormJsonAnonTest.php	@group rest
ContactFormJsonBasicAuthTest		class	Drupal\Tests\contact\Functional\Rest	core/modules/contact/tests/src/Functional/Rest/ContactFormJsonBasicAuthTest.php	@group rest
ContactFormJsonCookieTest		class	Drupal\Tests\contact\Functional\Rest	core/modules/contact/tests/src/Functional/Rest/ContactFormJsonCookieTest.php	@group rest
ContactFormListBuilder		class	Drupal\contact	core/modules/contact/src/ContactFormListBuilder.php	Defines a class to build a listing of contact form entities.
ContactFormResourceTestBase		abstract class	Drupal\Tests\contact\Functional\Rest	core/modules/contact/tests/src/Functional/Rest/ContactFormResourceTestBase.php		6
ContactFormTest		class	Drupal\Tests\jsonapi\Functional	core/modules/jsonapi/tests/src/Functional/ContactFormTest.php	JSON:API integration test for the "ContactForm" config entity type.
ContactFormValidationTest		class	Drupal\Tests\contact\Kernel	core/modules/contact/tests/src/Kernel/ContactFormValidationTest.php	Tests validation of contact_form entities.
ContactFormXmlAnonTest		class	Drupal\Tests\contact\Functional\Rest	core/modules/contact/tests/src/Functional/Rest/ContactFormXmlAnonTest.php	@group rest
ContactFormXmlBasicAuthTest		class	Drupal\Tests\contact\Functional\Rest	core/modules/contact/tests/src/Functional/Rest/ContactFormXmlBasicAuthTest.php	@group rest
ContactFormXmlCookieTest		class	Drupal\Tests\contact\Functional\Rest	core/modules/contact/tests/src/Functional/Rest/ContactFormXmlCookieTest.php	@group rest
ContactLanguageTest		class	Drupal\Tests\contact\Functional	core/modules/contact/tests/src/Functional/ContactLanguageTest.php	Tests contact messages with language module.
ContactLink		class	Drupal\contact\Plugin\views\field	core/modules/contact/src/Plugin/views/field/ContactLink.php	Defines a field that links to the user contact page, if access is permitted.		1
ContactLinkTest		class	Drupal\Tests\contact\Unit	core/modules/contact/tests/src/Unit/ContactLinkTest.php	@coversDefaultClass \Drupal\contact\Plugin\views\field\ContactLink[[api-linebreak]] @group contact
ContactLinkTest		class	Drupal\Tests\contact\Functional\Views	core/modules/contact/tests/src/Functional/Views/ContactLinkTest.php	Tests the contact link field.
ContactMessageAccessControlHandler		class	Drupal\contact	core/modules/contact/src/ContactMessageAccessControlHandler.php	Defines the access control handler for the message form entity type.
ContactMessageResource		class	Drupal\contact\Plugin\rest\resource	core/modules/contact/src/Plugin/rest/resource/ContactMessageResource.php	Customizes the entity REST Resource plugin for Contact's Message entities.		1
ContactPageAccess		class	Drupal\contact\Access	core/modules/contact/src/Access/ContactPageAccess.php	Access check for contact_personal_page route.			2
ContactPersonalTest		class	Drupal\Tests\contact\Functional	core/modules/contact/tests/src/Functional/ContactPersonalTest.php	Tests personal contact form functionality.
ContactSettings		class	Drupal\contact\Plugin\migrate\source	core/modules/contact/src/Plugin/migrate/source/ContactSettings.php	Drupal 6/7 contact settings source from database.
ContactSettingsTest		class	Drupal\Tests\contact\Kernel\Plugin\migrate\source\d6	core/modules/contact/tests/src/Kernel/Plugin/migrate/source/d6/ContactSettingsTest.php	Tests D6 contact settings source plugin.
ContactSitewideTest		class	Drupal\Tests\contact\Functional	core/modules/contact/tests/src/Functional/ContactSitewideTest.php	Tests site-wide contact form functionality.	1
ContactStorageTest		class	Drupal\Tests\contact\Functional	core/modules/contact/tests/src/Functional/ContactStorageTest.php	Tests storing contact messages.
ContactTest		class	Drupal\Tests\contact\Unit	core/modules/contact/tests/src/Unit/ContactTest.php	@group contact
Container		class	Drupal\Component\DependencyInjection	core/lib/Drupal/Component/DependencyInjection/Container.php	Provides a container optimized for Drupal's needs.	2	1
Container		class	Drupal\Core\DependencyInjection	core/lib/Drupal/Core/DependencyInjection/Container.php	Extends the container to prevent serialization.	2	18
Container		class	Drupal\Core\Render\Element	core/lib/Drupal/Core/Render/Element/Container.php	Provides a render element that wraps child elements in a container.	1
ContainerAwareEventDispatcher		class	Drupal\Component\EventDispatcher	core/lib/Drupal/Component/EventDispatcher/ContainerAwareEventDispatcher.php	A performance optimized container aware event dispatcher.		3	2
ContainerAwareEventDispatcherTest		class	Drupal\Tests\Component\EventDispatcher	core/tests/Drupal/Tests/Component/EventDispatcher/ContainerAwareEventDispatcherTest.php	Unit tests for the ContainerAwareEventDispatcher.
ContainerBuilder		class	Drupal\Core\DependencyInjection	core/lib/Drupal/Core/DependencyInjection/ContainerBuilder.php	Drupal's dependency injection container builder.		165
ContainerBuilderTest		class	Drupal\Tests\Core\DependencyInjection	core/tests/Drupal/Tests/Core/DependencyInjection/ContainerBuilderTest.php	@coversDefaultClass \Drupal\Core\DependencyInjection\ContainerBuilder[[api-linebreak]] @group DependencyInjection
ContainerDerivativeDiscoveryDecorator		class	Drupal\Core\Plugin\Discovery	core/lib/Drupal/Core/Plugin/Discovery/ContainerDerivativeDiscoveryDecorator.php	Injects dependencies into derivers if they use ContainerDeriverInterface.		14
ContainerDerivativeDiscoveryDecoratorTest		class	Drupal\Tests\Core\Plugin\Discovery	core/tests/Drupal/Tests/Core/Plugin/Discovery/ContainerDerivativeDiscoveryDecoratorTest.php	@coversDefaultClass \Drupal\Core\Plugin\Discovery\ContainerDerivativeDiscoveryDecorator[[api-linebreak]] @group Plugin
ContainerDeriverInterface		interface	Drupal\Core\Plugin\Discovery	core/lib/Drupal/Core/Plugin/Discovery/ContainerDeriverInterface.php	Creates additional plugin definitions.	45	45
ContainerFactory		class	Drupal\Core\Plugin\Factory	core/lib/Drupal/Core/Plugin/Factory/ContainerFactory.php	Plugin factory which passes a container to a create method.	1	10
ContainerFactoryPluginInterface		interface	Drupal\Core\Plugin	core/lib/Drupal/Core/Plugin/ContainerFactoryPluginInterface.php	Defines an interface for pulling plugin dependencies from the container.	143	146
ContainerForm		class	Drupal\forum\Form	core/modules/forum/src/Form/ContainerForm.php	Base form for container term edit forms.
ContainerInjectionInterface		interface	Drupal\Core\DependencyInjection	core/lib/Drupal/Core/DependencyInjection/ContainerInjectionInterface.php	Defines a common interface for dependency container injection.	109	109
ContainerInterface		interface	Drupal\Component\DependencyInjection	core/lib/Drupal/Component/DependencyInjection/ContainerInterface.php	The interface for Drupal service container classes.	2	3
ContainerNotInitializedException		class	Drupal\Core\DependencyInjection	core/lib/Drupal/Core/DependencyInjection/ContainerNotInitializedException.php	Exception, thrown when a method is called on a non-initialized container.		2
ContainerRebuildTestServiceProvider		class	Drupal\container_rebuild_test	core/modules/system/tests/modules/container_rebuild_test/src/ContainerRebuildTestServiceProvider.php
ContainerRebuildWebTest		class	Drupal\Tests\system\Functional\DrupalKernel	core/modules/system/tests/src/Functional/DrupalKernel/ContainerRebuildWebTest.php	Ensures that the container rebuild works as expected.
ContainerResetWebTest		class	Drupal\Tests\system\Functional\DrupalKernel	core/modules/system/tests/src/Functional/DrupalKernel/ContainerResetWebTest.php	Ensures that the container rebuild works as expected.
ContainerTest		class	Drupal\Tests\Core\DependencyInjection	core/tests/Drupal/Tests/Core/DependencyInjection/ContainerTest.php	@coversDefaultClass \Drupal\Core\DependencyInjection\Container[[api-linebreak]] @group DependencyInjection
ContainerTest		class	Drupal\Tests\Component\DependencyInjection	core/tests/Drupal/Tests/Component/DependencyInjection/ContainerTest.php	@coversDefaultClass \Drupal\Component\DependencyInjection\Container[[api-linebreak]] @group DependencyInjection	1
ContentDispositionFilenameParser		final class	Drupal\file\Upload	core/modules/file/src/Upload/ContentDispositionFilenameParser.php	Parses the content-disposition header to extract the client filename.		4
ContentDispositionFilenameParserTest		class	Drupal\Tests\file\Unit\Upload	core/modules/file/tests/src/Unit/Upload/ContentDispositionFilenameParserTest.php	Tests the ContentDispositionFilenameParser class.

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