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
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core/
core.api.php, line 1518
| Name | Deprecated | Object type | Namespace | File name | Summary | Direct uses | Use statements | Strings |
|---|---|---|---|---|---|---|---|---|
| DependentAccessInterface | interface | Drupal\block_content\Access | core/ |
Interface for AccessibleInterface objects that have an access dependency. | 1 | 1 | ||
| DependentAccessTest | class | Drupal\Tests\block_content\Unit\Access | core/ |
@coversDefaultClass \Drupal\block_content\Access\RefinableDependentAccessTrait[[api-linebreak]] | ||||
| DependentPluginDefinitionInterface | interface | Drupal\Core\Plugin\Definition | core/ |
Provides an interface for a plugin definition that has dependencies. | 1 | 3 | ||
| DependentPluginDefinitionTrait | trait | Drupal\Core\Plugin\Definition | core/ |
Provides a trait for a plugin definition that has dependencies. | 1 | |||
| DependentPluginInterface | interface | Drupal\Component\Plugin | core/ |
Provides an interface for a plugin that has dependencies. | 23 | 27 | ||
| DependentWithRemovalPluginInterface | interface | Drupal\views\Plugin | core/ |
Provides an interface for a plugin that has dependencies that can be removed. | 2 | 3 | ||
| Deprecated | class | Drupal\element_info_test\Element | core/ |
Provides deprecated render element for testing. | ||||
| DeprecatedArray | class | Drupal\Component\Utility | core/ |
An array that triggers a deprecation warning when accessed. | ||||
| DeprecatedAssetsTest | class | Drupal\KernelTests\Core\Asset | core/ |
Checks the status and definition contents of deprecated libraries. | ||||
| DeprecatedController | class | Drupal\deprecation_test | core/ |
Defines a controller that calls a deprecated method. | ||||
| DeprecatedElementTest | class | Drupal\KernelTests\Core\Render\Element | core/ |
@group Render | ||||
| DeprecatedExtendsFormElement | class | Drupal\element_info_test\Element | core/ |
Provides render element that extends deprecated FormElement for testing. | 1 | |||
| DeprecatedExtendsRenderElement | class | Drupal\element_info_test\Element | core/ |
Provides render element that extends deprecated RenderElement for testing. | 1 | |||
| DeprecatedReferenceItem | class | Drupal\jsonapi_test_reference_types\Plugin\Field\FieldType | core/ |
Entity reference field type which doesn't implement the standard interface. | ||||
| DeprecatedServicePass | class | Drupal\Core\DependencyInjection\Compiler | core/ |
Sets the _deprecated_service_list parameter. | 1 | |||
| DeprecatedServicePropertyTrait | trait | Drupal\Core\DependencyInjection | core/ |
Provides a standard way to announce deprecated properties. | 14 | |||
| DeprecatedTemplateTest | class | Drupal\Tests\system\Functional\Module | core/ |
Tests that the deprecated template is correctly marked. | ||||
| DeprecatedTwigTemplateController | class | Drupal\deprecated_twig_template\Controller | core/ |
Controller for calling a deprecated theme. | ||||
| DeprecationHelper | final class | Drupal\Component\Utility | core/ |
Provides a helper method for handling deprecated code paths in projects. | 1 | |||
| DeprecationHelperTest | class | Drupal\Tests\Component\Utility | core/ |
@coversDefaultClass \Drupal\Component\Utility\DeprecationHelper[[api-linebreak]] @group Utility | ||||
| Depth | class | Drupal\comment\Plugin\views\field | core/ |
Field handler to display the depth of a comment. | ||||
| DerivablePluginDefinitionInterface | interface | Drupal\Component\Plugin\Definition | core/ |
Provides an interface for a derivable plugin definition. | 2 | 4 | ||
| DerivativeDiscoveryDecorator | class | Drupal\Component\Plugin\Discovery | core/ |
Base class providing the tools for a plugin discovery to be derivative aware. | 1 | 3 | ||
| DerivativeDiscoveryDecoratorTest | class | Drupal\Tests\Core\Plugin\Discovery | core/ |
Unit tests for the derivative discovery decorator. | ||||
| DerivativeInspectionInterface | interface | Drupal\Component\Plugin | core/ |
Provides a plugin interface for providing derivative metadata inspection. | 8 | 11 | ||
| DerivativeTest | class | Drupal\KernelTests\Core\Plugin | core/ |
Tests that derivative plugins are correctly discovered. | ||||
| DerivedToolkit | class | Drupal\image_test\Plugin\ImageToolkit | core/ |
Provides a derivative of TestToolkit. | ||||
| DeriverBase | abstract class | Drupal\Component\Plugin\Derivative | core/ |
Provides a basic deriver. | 48 | 48 | ||
| DeriverInterface | interface | Drupal\Component\Plugin\Derivative | core/ |
Provides additional plugin definitions based on an existing definition. | 7 | 6 | ||
| Desaturate | class | Drupal\system\Plugin\ImageToolkit\Operation\gd | core/ |
Defines GD2 Desaturate operation. | ||||
| DesaturateImageEffect | class | Drupal\image\Plugin\ImageEffect | core/ |
Desaturates (grayscale) an image resource. | ||||
| DescriptionAwareFileFormatterBase | abstract class | Drupal\file\Plugin\Field\FieldFormatter | core/ |
Base class for file formatters that have to deal with file descriptions. | 2 | |||
| DestinationBase | abstract class | Drupal\migrate\Plugin\migrate\destination | core/ |
Base class for migrate destination classes. | 10 | 6 | ||
| DestinationCategoryTest | class | Drupal\Tests\migrate_drupal\Kernel\Plugin\migrate | core/ |
Tests that all migrations are tagged as either content or configuration. | ||||
| DestinationTest | class | Drupal\Tests\system\Functional\Routing | core/ |
Tests for $_GET['destination'] and $_REQUEST['destination'] validation. | ||||
| Destructable | final class | Drupal\destructable_test | core/ |
1 | ||||
| DestructableInterface | interface | Drupal\Core | core/ |
The interface for services that need explicit destruction. | 11 | 9 | ||
| DestructableServiceTest | class | Drupal\FunctionalTests\HttpKernel | core/ |
Tests invocation of services performing deferred tasks after response flush. | ||||
| Details | class | Drupal\Core\Render\Element | core/ |
Provides a render element for a details element, similar to a fieldset. | ||||
| DevelopmentSettingsForm | class | Drupal\system\Form | core/ |
Configure development settings for this site. | 1 | |||
| DevelopmentSettingsFormTest | class | Drupal\Tests\system\FunctionalJavascript\Form | core/ |
Tests development settings form items for expected behavior. | ||||
| DevelopmentSettingsPass | class | Drupal\Core\DependencyInjection\Compiler | core/ |
Defines a compiler pass to register development settings. | 1 | |||
| DevReleaseTest | class | Drupal\Tests\update\Kernel | core/ |
Tests the project data when the installed version is a dev version. | ||||
| DialogFormLink | class | Drupal\ajax_forms_test\Controller | core/ |
Test class to create dialog form link. | ||||
| DialogPositionTest | class | Drupal\FunctionalJavascriptTests\Dialog | core/ |
Tests the JavaScript functionality of the dialog position. | ||||
| DialogRenderer | class | Drupal\Core\Render\MainContent | core/ |
Default main content renderer for dialog requests. | 2 | 2 | ||
| DialogTest | class | Drupal\FunctionalJavascriptTests\Ajax | core/ |
Performs tests on opening and manipulating dialogs via AJAX commands. | ||||
| Diff | class | Drupal\Component\Diff | core/ |
Class representing a 'diff' between two sequences of strings. | 1 | 3 | ||
| DiffArray | class | Drupal\Component\Utility | core/ |
Provides helpers to perform diffs on multi dimensional arrays. | 3 | |||
| DiffArrayTest | class | Drupal\Tests\Core\Common | core/ |
Tests the DiffArray helper class. |
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