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
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core/
core.api.php, line 1511
| Name | Deprecated | Object type | Namespace | File name | Summary | Direct uses | Use statements | Strings |
|---|---|---|---|---|---|---|---|---|
| DCOM58Test | class | Drupal\Tests\Component\Annotation\Doctrine\Ticket | core/ |
This class is a near-copy of \Doctrine\Tests\Common\Annotations\Ticket\DCOM58Test, which is part of the Doctrine project: <http://www.doctrine-project.org>. It was copied from version 1.2.7. | ||||
| DecimalFormatter | class | Drupal\Core\Field\Plugin\Field\FieldFormatter | core/ |
Plugin implementation of the 'number_decimal' formatter. | ||||
| DecimalItem | class | Drupal\Core\Field\Plugin\Field\FieldType | core/ |
Defines the 'decimal' field type. | ||||
| DedupeBase | in drupal:8.4.0 and is removed from drupal:9.0.0. Use \Drupal\migrate\Plugin\migrate\process\MakeUniqueBase instead. |
abstract class | Drupal\migrate\Plugin\migrate\process | core/ |
This abstract base contains the dedupe logic. | |||
| DedupeEntity | in drupal:8.4.0 and is removed from drupal:9.0.0. Use \Drupal\migrate\Plugin\migrate\process\MakeUniqueEntityField instead. |
class | Drupal\migrate\Plugin\migrate\process | core/ |
Ensures value is not duplicated against an entity field. | 1 | ||
| DedupeEntityTest | class | Drupal\Tests\migrate\Unit\process | core/ |
@coversDefaultClass \Drupal\migrate\Plugin\migrate\process\DedupeEntity @group migrate @group legacy | ||||
| DefaultAccessCheck | class | Drupal\Core\Access | core/ |
Allows access to routes to be controlled by an '_access' boolean parameter. | 2 | 2 | ||
| DefaultAccessCheckTest | class | Drupal\Tests\Core\Access | core/ |
@coversDefaultClass \Drupal\Core\Access\DefaultAccessCheck @group Access | ||||
| DefaultConfigTest | class | Drupal\Tests\Core\Extension | core/ |
Tests default configuration of the Extension system. | ||||
| DefaultConfigTest | class | Drupal\KernelTests\Config | core/ |
Tests that the installed config matches the default config. | ||||
| DefaultConfigTest | class | Drupal\KernelTests\Core\Config | core/ |
Tests that default configuration provided by all modules matches schema. | ||||
| DefaultContentFilesAccessTest | class | Drupal\Tests\demo_umami_content\Functional | core/ |
Tests that files provided by demo_umami_content are not accessible. | ||||
| DefaultContentModerationStateRevisionUpdateTest | class | Drupal\Tests\content_moderation\Functional\Update | core/ |
Test updating the ContentModerationState entity default revisions. | ||||
| DefaultDisplay | class | Drupal\views\Plugin\views\display | core/ |
A plugin to handle defaults on a view. | 1 | |||
| DefaultDisplayExtender | class | Drupal\views\Plugin\views\display_extender | core/ |
Default display extender plugin; does nothing. | ||||
| DefaultExceptionHtmlSubscriber | class | Drupal\Core\EventSubscriber | core/ |
Exception subscriber for handling core default HTML error pages. | 1 | 2 | ||
| DefaultExceptionSubscriber | class | Drupal\jsonapi\EventSubscriber | core/ |
Serializes exceptions in compliance with the JSON:API specification. | 2 | |||
| DefaultExceptionSubscriber | class | Drupal\serialization\EventSubscriber | core/ |
Handles default error responses in serialization formats. | 1 | 2 | 2 | |
| DefaultExceptionSubscriberTest | class | Drupal\Tests\serialization\Unit\EventSubscriber | core/ |
@coversDefaultClass \Drupal\serialization\EventSubscriber\DefaultExceptionSubscriber @group serialization | ||||
| DefaultFactory | class | Drupal\Component\Plugin\Factory | core/ |
Default plugin factory. | 2 | 13 | ||
| DefaultFactoryTest | class | Drupal\Tests\Component\Plugin | core/ |
@coversDefaultClass \Drupal\Component\Plugin\Factory\DefaultFactory @group Plugin | ||||
| DefaultFetcher | class | Drupal\aggregator\Plugin\aggregator\fetcher | core/ |
Defines a default fetcher implementation. | 1 | 1 | ||
| DefaultFileFormatter | class | Drupal\file\Plugin\Field\FieldFormatter | core/ |
Formatter for a text field on a file entity that links the field to the file. | ||||
| DefaultFormatTest | class | Drupal\FunctionalTests\Routing | core/ |
@group routing | ||||
| DefaultFormatTestController | class | Drupal\default_format_test | core/ |
|||||
| DefaultHtmlRouteProvider | class | Drupal\Core\Entity\Routing | core/ |
Provides HTML routes for entities. | 2 | 1 | ||
| DefaultHtmlRouteProviderTest | class | Drupal\Tests\Core\Entity\Routing | core/ |
@coversDefaultClass \Drupal\Core\Entity\Routing\DefaultHtmlRouteProvider @group Entity | ||||
| DefaultLangcode | class | Drupal\language\Plugin\migrate\destination | core/ |
Provides a destination plugin for the default langcode config. | ||||
| DefaultLanguageItem | class | Drupal\language | core/ |
Alternative plugin implementation of the 'language' field type. | ||||
| DefaultLanguageRenderer | class | Drupal\views\Entity\Render | core/ |
Renders entities in their default language. | ||||
| DefaultLazyPluginCollection | class | Drupal\Core\Plugin | core/ |
Provides a default plugin collection for a plugin type. | 6 | 9 | ||
| DefaultLazyPluginCollectionTest | class | Drupal\Tests\Core\Plugin | core/ |
@coversDefaultClass \Drupal\Core\Plugin\DefaultLazyPluginCollection @group Plugin | ||||
| DefaultMenuLinkTreeManipulators | class | Drupal\Core\Menu | core/ |
Provides a couple of menu link tree manipulators. | 1 | 2 | ||
| DefaultMenuLinkTreeManipulatorsTest | class | Drupal\Tests\Core\Menu | core/ |
Tests the default menu link tree manipulators. | ||||
| DefaultMetatagsTest | class | Drupal\Tests\system\Functional\Page | core/ |
Tests default HTML metatags on a page. | ||||
| DefaultMobileMetaTagsTest | class | Drupal\Tests\system\Functional\System | core/ |
Confirm that the default mobile meta tags appear as expected. | ||||
| DefaultModerationStateTest | class | Drupal\Tests\content_moderation\Functional | core/ |
Tests setting a custom default moderation state. | ||||
| DefaultModerationStateUpdateTest | class | Drupal\Tests\content_moderation\Functional\Update | core/ |
Tests the upgrade path for updating the 'default_moderation_state' setting. | ||||
| DefaultNegotiator | class | Drupal\Core\Theme | core/ |
Determines the default theme of the site. | 2 | |||
| DefaultParser | class | Drupal\aggregator\Plugin\aggregator\parser | core/ |
Defines a default parser implementation. | 1 | 1 | ||
| DefaultPluginManager | class | Drupal\Core\Plugin | core/ |
Base class for plugin managers. | 47 | 47 | ||
| DefaultPluginManagerTest | class | Drupal\Tests\Core\Plugin | core/ |
Tests the DefaultPluginManager. | ||||
| DefaultProcessor | class | Drupal\aggregator\Plugin\aggregator\processor | core/ |
Defines a default processor implementation. | ||||
| DefaultRequestPolicy | class | Drupal\Core\PageCache | core/ |
The default page cache request policy. | 2 | |||
| DefaultRequestPolicy | class | Drupal\dynamic_page_cache\PageCache\RequestPolicy | core/ |
The default Dynamic Page Cache request policy. | 2 | |||
| DefaultRevisionStateTest | class | Drupal\Tests\content_moderation\Kernel | core/ |
Tests the correct default revision is set. | ||||
| DefaultSelection | class | Drupal\Core\Entity\Plugin\EntityReferenceSelection | core/ |
Default plugin implementation of the Entity Reference Selection plugin. | 10 | 8 | ||
| DefaultSelectionDeriver | class | Drupal\Core\Entity\Plugin\Derivative | core/ |
Provides derivative plugins for the DefaultSelection plugin. | ||||
| DefaultsEntityForm | class | Drupal\layout_builder\Form | core/ |
Provides a form containing the Layout Builder UI for defaults. | 1 | |||
| DefaultSingleLazyPluginCollection | class | Drupal\Core\Plugin | core/ |
Provides a default plugin collection for a plugin type. | 3 | 7 |
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