Classes, traits, and interfaces - Drupal 11.1.x - Drupal Core
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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 |
|---|---|---|---|---|---|---|---|---|
| ViewsRenderPipelineMarkup | final class | Drupal\views\Render | core/ |
Defines an object that passes safe strings through the Views render system. | 10 | |||
| ViewsRow | class | Drupal\views\Annotation | core/ |
Defines a Plugin annotation object for views row plugins. | ||||
| ViewsRow | class | Drupal\views\Attribute | core/ |
Defines a ViewsRow attribute for plugin discovery. | 12 | |||
| ViewsSearchQuery | class | Drupal\search | core/ |
Extends the core SearchQuery to be able to gets its protected values. | 2 | |||
| ViewsSelection | class | Drupal\views\Plugin\EntityReferenceSelection | core/ |
Plugin implementation of the 'selection' entity_reference. | 1 | |||
| ViewsSort | class | Drupal\views\Annotation | core/ |
Defines a Plugin annotation object for views sort handlers. | ||||
| ViewsSort | class | Drupal\views\Attribute | core/ |
Defines a Plugin attribute object for views sort handlers. | 11 | |||
| ViewsStyle | class | Drupal\views\Annotation | core/ |
Defines a Plugin annotation object for views style plugins. | ||||
| ViewsStyle | class | Drupal\views\Attribute | core/ |
Defines a views style plugins type attribute for plugin discovery. | 11 | |||
| ViewsTokensHooks | class | Drupal\views\Hook | core/ |
Hook implementations for views. | ||||
| ViewsUIController | class | Drupal\views_ui\Controller | core/ |
Returns responses for Views UI routes. | ||||
| ViewsUiHooks | class | Drupal\views_ui\Hook | core/ |
Hook implementations for views_ui. | ||||
| ViewsViewsExecutionHooks | class | Drupal\views\Hook | core/ |
Hook implementations for views. | ||||
| ViewsViewsHooks | class | Drupal\views\Hook | core/ |
Hook implementations for views. | ||||
| ViewsWizard | class | Drupal\views\Annotation | core/ |
Defines a Plugin annotation object for views wizard plugins. | ||||
| ViewsWizard | class | Drupal\views\Attribute | core/ |
Defines a Plugin attribute object for views wizard plugins. | 11 | |||
| ViewTemplate | final class | OpenTelemetry\SDK\Metrics\View | vendor/ |
|||||
| ViewUI | class | Drupal\views_ui | core/ |
Stores UI related temporary settings. | 4 | |||
| ViewUIConverter | class | Drupal\views_ui\ProxyClass\ParamConverter | core/ |
Provides a proxy class for \Drupal\views_ui\ParamConverter\ViewUIConverter. | ||||
| ViewUIConverter | class | Drupal\views_ui\ParamConverter | core/ |
Provides upcasting for a view entity to be used in the Views UI. | 2 | |||
| VirtualRequestStack | final class | Symfony\Component\HttpKernel\Debug | vendor/ |
A stack able to deal with virtual requests. | ||||
| VirtualStub | class | Symfony\Component\VarDumper\Caster | vendor/ |
|||||
| Vocabulary | class | Drupal\taxonomy\Entity | core/ |
Defines the taxonomy vocabulary entity. | 3 | |||
| Vocabulary | class | Drupal\taxonomy\Plugin\migrate\source\d6 | core/ |
Drupal 6 vocabularies source from database. | 1 | |||
| Vocabulary | class | Drupal\taxonomy\Plugin\migrate\source\d7 | core/ |
Drupal 7 vocabularies source from database. | 2 | 1 | ||
| VocabularyAccessControlHandler | class | Drupal\taxonomy | core/ |
Defines the access control handler for the taxonomy vocabulary entity type. | 1 | |||
| VocabularyDeleteForm | class | Drupal\taxonomy\Form | core/ |
Provides a deletion confirmation form for taxonomy vocabulary. | 1 | |||
| VocabularyForm | class | Drupal\taxonomy | core/ |
Base form for vocabulary edit forms. | 1 | |||
| VocabularyInterface | interface | Drupal\taxonomy | core/ |
Provides an interface defining a taxonomy vocabulary entity. | 1 | 3 | ||
| VocabularyListBuilder | class | Drupal\taxonomy | core/ |
Defines a class to build a listing of taxonomy vocabulary entities. | 1 | |||
| VocabularyPerType | class | Drupal\taxonomy\Plugin\migrate\source\d6 | core/ |
Drupal 6 vocabularies with associated node types source from database. | ||||
| VocabularyResetForm | class | Drupal\taxonomy\Form | core/ |
Provides confirmation form for resetting a vocabulary to alphabetical order. | 1 | |||
| VocabularyRouteProvider | class | Drupal\taxonomy\Entity\Routing | core/ |
1 | ||||
| VocabularyStorage | class | Drupal\taxonomy | core/ |
Defines a storage handler class for taxonomy vocabularies. | 1 | |||
| VocabularyStorageInterface | interface | Drupal\taxonomy | core/ |
Defines an interface for vocabulary entity storage classes. | 1 | 4 | ||
| VocabularyTranslation | class | Drupal\taxonomy\Plugin\migrate\source\d6 | core/ |
Drupal 6 i18n vocabulary translations source from database. | ||||
| VocabularyTranslation | class | Drupal\taxonomy\Plugin\migrate\source\d7 | core/ |
Drupal 7 i18n vocabulary translations source from database. | ||||
| VocabularyVid | class | Drupal\taxonomy\Plugin\views\argument | core/ |
Argument handler to accept a vocabulary id. | ||||
| VoidType | final class | SebastianBergmann\Type | vendor/ |
|||||
| Void_ | final class | phpDocumentor\Reflection\Types | vendor/ |
Value Object representing the return-type 'void'. | 3 | |||
| WarmableInterface | interface | Symfony\Component\HttpKernel\CacheWarmer | vendor/ |
Interface for classes that support warming their cache. | 1 | 1 | ||
| WarmCodeCoverageCacheCommand | final class | PHPUnit\TextUI\Command | vendor/ |
@no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit | 1 | |||
| Warning | abstract class | Egulias\EmailValidator\Warning | vendor/ |
20 | 7 | |||
| Warning | final class | PHPUnit\Framework\TestStatus | vendor/ |
@psalm-immutable | ||||
| WarningTriggered | final class | PHPUnit\Event\TestRunner | vendor/ |
@psalm-immutable | 3 | |||
| WarningTriggered | final class | PHPUnit\Event\Test | vendor/ |
@psalm-immutable | 9 | |||
| WarningTriggeredSubscriber | interface | PHPUnit\Event\TestRunner | vendor/ |
@no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit | 1 | 1 | ||
| WarningTriggeredSubscriber | interface | PHPUnit\Event\Test | vendor/ |
@no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit | 4 | 4 | ||
| Watchdog | class | Drupal\dblog\Plugin\views\wizard | core/ |
Defines a wizard for the watchdog table. | ||||
| WebAssert | class | Behat\Mink | vendor/ |
Mink web assertions tool. |