Classes, traits, and interfaces - 9.5.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 1523
| Name | Deprecated | Object type | Namespace | File name | Summary | Direct uses | Use statements | Strings |
|---|---|---|---|---|---|---|---|---|
| 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. | ||||
| 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 | ||
| DefaultPasswordGenerator | class | Drupal\Core\Password | core/ |
Provides a default password generator. | 1 | 2 | ||
| DefaultPasswordGeneratorTest | class | Drupal\Tests\Core\Password | core/ |
Unit tests for password generator. | ||||
| DefaultPluginManager | class | Drupal\Core\Plugin | core/ |
Base class for plugin managers. | 50 | 50 | ||
| 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. | 9 | 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 | ||
| DefaultSingleLazyPluginCollectionTest | class | Drupal\Tests\Core\Plugin | core/ |
@coversDefaultClass \Drupal\Core\Plugin\DefaultSingleLazyPluginCollection @group Plugin | ||||
| DefaultsSectionStorage | class | Drupal\layout_builder\Plugin\SectionStorage | core/ |
Defines the 'defaults' section storage type. | 2 | |||
| DefaultsSectionStorageInterface | interface | Drupal\layout_builder | core/ |
Defines an interface for an object that stores layout sections for defaults. | 1 | 5 | ||
| DefaultsSectionStorageTest | class | Drupal\Tests\layout_builder\Unit | core/ |
@coversDefaultClass \Drupal\layout_builder\Plugin\SectionStorage\DefaultsSectionStorage | ||||
| DefaultsSectionStorageTest | class | Drupal\Tests\layout_builder\Kernel | core/ |
@coversDefaultClass \Drupal\layout_builder\Plugin\SectionStorage\DefaultsSectionStorage | ||||
| DefaultsTestPluginManager | class | Drupal\plugin_test\Plugin | core/ |
Defines a plugin manager used by Plugin API unit tests. | 1 | |||
| DefaultStyle | class | Drupal\views\Plugin\views\style | core/ |
Unformatted style plugin to render rows. | 1 | |||
| DefaultSummary | class | Drupal\views\Plugin\views\style | core/ |
The default style plugin for summaries. | 1 | 1 | ||
| DefaultTableMapping | class | Drupal\Core\Entity\Sql | core/ |
Defines a default table mapping class. | 2 | 5 | ||
| DefaultTableMappingIntegrationTest | class | Drupal\KernelTests\Core\Entity | core/ |
Tests the default table mapping class for content entities stored in SQL. | ||||
| DefaultTableMappingTest | class | Drupal\Tests\Core\Entity\Sql | core/ |
@coversDefaultClass \Drupal\Core\Entity\Sql\DefaultTableMapping @group Entity | ||||
| DefaultValue | class | Drupal\migrate\Plugin\migrate\process | core/ |
Returns a given default value if the input is empty. | 1 | |||
| DefaultValueTest | class | Drupal\Tests\migrate\Unit\process | core/ |
Tests the default_value process plugin. | ||||
| DefaultViewRecentCommentsTest | class | Drupal\Tests\comment\Functional\Views | core/ |
Tests results for the Recent Comments view shipped with the module. | ||||
| DefaultViewsTest | class | Drupal\Tests\views_ui\Functional | core/ |
Tests enabling, disabling, and reverting default views via the listing page. | ||||
| DefaultViewsTest | class | Drupal\Tests\views\Functional | core/ |
Tests the default views provided by views. | ||||
| DefaultWizardDeriver | class | Drupal\views\Plugin\Derivative | core/ |
A derivative class which provides automatic wizards for all base tables. | ||||
| DefinedTestAccessCheck | class | Drupal\router_test\Access | core/ |
Defines an access checker similar to DefaultAccessCheck. | 1 | |||
| DelayableQueueInterface | interface | Drupal\Core\Queue | core/ |
Delayable queue interface. | 1 | 1 | ||
| DelayedRequeueException | class | Drupal\Core\Queue | core/ |
Throw this exception to leave an item in the queue until its lock expires. | 5 | |||
| Delete | in drupal:9.4.0 and is removed from drupal:11.0.0. The PostgreSQL database driver has been moved to the pgsql module. |
class | Drupal\Core\Database\Driver\pgsql | core/ |
PostgreSQL implementation of \Drupal\Core\Database\Query\Delete. | 1 | ||
| Delete | class | Drupal\Core\Database\Query | core/ |
General class for an abstracted DELETE operation. | 4 | 5 | ||
| Delete | class | Drupal\corefake\Driver\Database\corefakeWithAllCustomClasses | core/ |
CorefakeWithAllCustomClasses implementation of \Drupal\Core\Database\Delete. | ||||
| Delete | class | Drupal\driver_test\Driver\Database\DrivertestMysql | core/ |
MySQL test implementation of \Drupal\Core\Database\Query\Delete. | ||||
| Delete | class | Drupal\pgsql\Driver\Database\pgsql | core/ |
PostgreSQL implementation of \Drupal\Core\Database\Query\Delete. | 2 | 2 |
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