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 |
|---|---|---|---|---|---|---|---|---|
| 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 one after another with no decorations. | 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. | 3 | 6 | ||
| 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 | |||
| Delete | class | Drupal\driver_test\Driver\Database\DrivertestMysql | core/ |
MySQL test implementation of \Drupal\Core\Database\Query\Delete. | ||||
| Delete | class | Drupal\driver_test\Driver\Database\DrivertestPgsql | core/ |
PostgreSQL implementation of \Drupal\Core\Database\Query\Delete. | ||||
| Delete | class | Drupal\Core\Database\Driver\sqlite | core/ |
SQLite implementation of \Drupal\Core\Database\Query\Delete. | ||||
| Delete | class | Drupal\Core\Database\Driver\mysql | core/ |
MySQL implementation of \Drupal\Core\Database\Query\Delete. | 1 | 1 | ||
| Delete | class | Drupal\Core\Database\Driver\pgsql | core/ |
PostgreSQL implementation of \Drupal\Core\Database\Query\Delete. | 1 | 1 | ||
| Delete | class | Drupal\Core\Database\Query | core/ |
General class for an abstracted DELETE operation. | 3 | 4 | ||
| DeleteAction | class | Drupal\Core\Action\Plugin\Action | core/ |
Redirects to an entity deletion form. | 2 | 2 | ||
| DeleteActionTest | class | Drupal\KernelTests\Core\Action | core/ |
@group Action | ||||
| DeleteComment | in drupal:8.6.0 and is removed from drupal:9.0.0. Use \Drupal\Core\Action\Plugin\Action\DeleteAction instead. |
class | Drupal\comment\Plugin\Action | core/ |
Deletes a comment. | |||
| DeleteDefaultLanguageException | class | Drupal\language\Exception | core/ |
Exception thrown when deleting the default language. | 2 | |||
| DeletedFieldsRepository | class | Drupal\Core\Field | core/ |
Provides a repository for deleted field and field storage objects. | 2 | |||
| DeletedFieldsRepositoryInterface | interface | Drupal\Core\Field | core/ |
Provides an interface for a deleted fields repository. | 1 | 2 | ||
| DeletedWorkspaceConstraint | class | Drupal\workspaces\Plugin\Validation\Constraint | core/ |
Deleted workspace constraint. | ||||
| DeletedWorkspaceConstraintValidator | class | Drupal\workspaces\Plugin\Validation\Constraint | core/ |
Checks if data still exists for a deleted workspace ID. | ||||
| DeleteFeedItemTest | class | Drupal\Tests\aggregator\Functional | core/ |
Delete feed items from a feed. | ||||
| DeleteFeedTest | class | Drupal\Tests\aggregator\Functional | core/ |
Delete feed test. | ||||
| DeleteForm | class | Drupal\comment\Form | core/ |
Provides the comment delete confirmation form. | ||||
| DeleteForm | class | Drupal\forum\Form | core/ |
Builds the form to delete a forum term. | 1 | |||
| DeleteMultiple | class | Drupal\node\Form | core/ |
Provides a node deletion confirmation form. | 1 | |||
| DeleteMultipleForm | class | Drupal\Core\Entity\Form | core/ |
Provides an entities deletion confirmation form. | 2 | 2 | ||
| DeleteMultipleFormTest | class | Drupal\FunctionalTests\Entity | core/ |
Tests the delete multiple confirmation form. | ||||
| DeleteNode | in drupal:8.6.0 and is removed from drupal:9.0.0. Use \Drupal\Core\Action\Plugin\Action\DeleteAction instead. |
class | Drupal\node\Plugin\Action | core/ |
Redirects to a node deletion form. | |||
| DeleteTest | class | Drupal\Tests\file\Kernel | core/ |
Tests the file delete function. | ||||
| DeleteTruncateTest | class | Drupal\KernelTests\Core\Database | core/ |
Tests delete and truncate queries. | ||||
| DemoteNode | class | Drupal\node\Plugin\Action | core/ |
Demotes a node. | ||||
| DemoUmamiProfileTest | class | Drupal\Tests\demo_umami\Functional | core/ |
Tests demo_umami profile. | ||||
| DenormalizeTest | class | Drupal\Tests\hal\Kernel | core/ |
Tests HAL denormalization edge cases for EntityResource. | ||||
| DenyAdminRoutes | class | Drupal\dynamic_page_cache\PageCache\ResponsePolicy | core/ |
Cache policy for routes with the '_admin_route' option set. | 2 | |||
| DenyNoCacheRoutes | class | Drupal\Core\PageCache\ResponsePolicy | core/ |
Cache policy for routes with the 'no_cache' option set. | 2 | |||
| DenyNodePreview | class | Drupal\node\PageCache | core/ |
Cache policy for node preview page. | 1 | 2 | ||
| DenyNodePreviewTest | class | Drupal\Tests\node\Unit\PageCache | core/ |
@coversDefaultClass \Drupal\node\PageCache\DenyNodePreview @group node | ||||
| DenyPrivateImageStyleDownload | class | Drupal\image\PageCache | core/ |
Cache policy for image preview page. | 1 | 2 |
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