Classes, traits, and interfaces - 11.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 1529
| Name | Deprecated | Object type | Namespace | File name | Summary | Direct uses | Use statements | Strings |
|---|---|---|---|---|---|---|---|---|
| CssCollectionOptimizerLazyUnitTest | class | Drupal\Tests\Core\Asset | core/ |
Tests the CSS asset optimizer. | ||||
| CssCollectionRenderer | class | Drupal\Core\Asset | core/ |
Renders CSS assets. | 1 | 2 | ||
| CssCollectionRendererUnitTest | class | Drupal\Tests\Core\Asset | core/ |
Tests the CSS asset collection renderer. | ||||
| CssCommand | class | Drupal\Core\Ajax | core/ |
An AJAX command for calling the jQuery css() method. | 2 | |||
| CssDisableTransitionsTestHooks | class | Drupal\css_disable_transitions_test\Hook | core/ |
Hook implementations for css_disable_transitions_test. | ||||
| CssOptimizer | class | Drupal\Core\Asset | core/ |
Optimizes a CSS asset. | 2 | 2 | ||
| CssOptimizerUnitTest | class | Drupal\Tests\Core\Asset | core/ |
Tests the CSS asset optimizer. | ||||
| Current | class | Drupal\user\Plugin\views\filter | core/ |
Filter handler for the current user. | ||||
| CurrentLanguageContext | class | Drupal\Core\Language\ContextProvider | core/ |
Sets the current language as a context. | 2 | |||
| CurrentPathStack | class | Drupal\Core\Path | core/ |
Represents the current path for the current request. | 20 | 2 | ||
| CurrentRouteMatch | class | Drupal\Core\Routing | core/ |
Default object for current_route_match service. | 4 | 2 | ||
| CurrentRouteMatchTest | class | Drupal\Tests\Core\Routing | core/ |
Tests Drupal\Core\Routing\CurrentRouteMatch. | ||||
| CurrentThemeCondition | class | Drupal\system\Plugin\Condition | core/ |
Provides a 'Current Theme' condition. | ||||
| CurrentThemeConditionTest | class | Drupal\KernelTests\Core\Plugin\Condition | core/ |
Tests the CurrentThemeCondition plugin. | ||||
| CurrentUser | class | Drupal\user\Plugin\views\argument_default | core/ |
Default argument plugin to extract the current user. | ||||
| CurrentUserContext | class | Drupal\user\ContextProvider | core/ |
Sets the current user as a context. | 1 | 2 | ||
| CurrentUserContextTest | class | Drupal\Tests\user\Kernel\ContextProvider | core/ |
Tests Drupal\user\ContextProvider\CurrentUserContext. | ||||
| Custom | class | Drupal\views\Plugin\views\field | core/ |
A handler to provide a field that is completely custom by the administrator. | ||||
| CustomAccessCheck | class | Drupal\Core\Access | core/ |
Defines an access checker that allows specifying a custom method for access. | 1 | 2 | ||
| CustomAccessCheckTest | class | Drupal\Tests\Core\Access | core/ |
Tests Drupal\Core\Access\CustomAccessCheck. | ||||
| CustomAnnotationClassDiscoveryTest | class | Drupal\KernelTests\Core\Plugin\Discovery | core/ |
Tests that a custom annotation class is used. | ||||
| CustomBooleanTest | class | Drupal\Tests\views_ui\Functional | core/ |
Tests the UI and functionality for the Custom boolean field handler options. | ||||
| CustomDirectoryAnnotatedClassDiscoveryTest | class | Drupal\KernelTests\Core\Plugin\Discovery | core/ |
Tests discovery of annotated plugins in a custom directory. | ||||
| CustomDirectoryExample1 | class | Drupal\plugin_test | core/ |
Provides a test plugin within a custom directory. | ||||
| CustomDirectoryExample2 | class | Drupal\plugin_test | core/ |
Provides a test plugin within a custom directory. | ||||
| CustomFileCache | class | Drupal\Tests\Component\FileCache | core/ |
Class to help test the file cache class. | ||||
| CustomPageExceptionHtmlSubscriber | class | Drupal\Core\EventSubscriber | core/ |
Exception subscriber for handling core custom HTML error pages. | 1 | 2 | ||
| CustomPageExceptionHtmlSubscriberTest | class | Drupal\Tests\Core\EventSubscriber | core/ |
Tests Drupal\Core\EventSubscriber\CustomPageExceptionHtmlSubscriber. | ||||
| CustomPlugin | class | Drupal\Tests\Component\Annotation | core/ |
Custom plugin annotation. | ||||
| CustomPlugin | class | com\example\PluginNamespace | core/ |
Custom plugin attribute. | ||||
| CustomPlugin2 | class | Drupal\Tests\Component\Annotation | core/ |
Custom plugin annotation. | ||||
| CustomPlugin2 | class | com\example\PluginNamespace | core/ |
Custom plugin attribute. | ||||
| CustomStrings | class | Drupal\Core\StringTranslation\Translator | core/ |
String translator using overrides from variables. | 2 | |||
| CustomThemeNegotiator | class | Drupal\theme_test\Theme | core/ |
Just forces the 'test_theme' theme. | 2 | |||
| D6FileField | class | Drupal\migrate_field_plugin_manager_test\Plugin\migrate\field | core/ |
MigrateField Plugin for Drupal 6 file fields. | ||||
| D6NoCoreVersionSpecified | class | Drupal\migrate_field_plugin_manager_test\Plugin\migrate\field | core/ |
MigrateField Plugin for migrating fields without core version specification. | ||||
| D6NodeDeriver | class | Drupal\node\Plugin\migrate | core/ |
Deriver for Drupal 6 node and node revision migrations based on node types. | 4 | |||
| D6NodeTranslation | class | Drupal\node\Plugin\migrate | core/ |
Migration plugin for the Drupal 6 node translations. | 2 | |||
| D6TermNodeDeriver | class | Drupal\taxonomy\Plugin\migrate | core/ |
Deriver for Drupal 6 term node migrations based on vocabularies. | 3 | |||
| D7Comment | class | Drupal\comment\Plugin\migrate | core/ |
Migration plugin for Drupal 7 comments with fields. | 2 | |||
| D7NodeDeriver | class | Drupal\node\Plugin\migrate | core/ |
Deriver for Drupal 7 node and node revision migrations based on node types. | 5 | |||
| D7NodeTranslation | class | Drupal\node\Plugin\migrate | core/ |
Migration plugin for the Drupal 7 node translations. | 2 | |||
| D7TaxonomyTermDeriver | class | Drupal\taxonomy\Plugin\migrate | core/ |
Deriver for Drupal 7 taxonomy term migrations based on vocabularies. | 2 | |||
| DAlterHooks | class | Drupal\ddd_hook_order_test\Hook | core/ |
This class contains hook implementations. | 1 | |||
| Data | abstract class | Drupal\jsonapi\JsonApiResource | core/ |
Represents the `data` and `included` objects of a top-level object. | 2 | 5 | ||
| Database | abstract class | Drupal\Core\Database | core/ |
Primary front-controller for the database system. | 247 | |||
| DatabaseAccessDeniedException | class | Drupal\Core\Database | core/ |
Exception thrown if access credentials fail. | 3 | |||
| DatabaseBackend | class | Drupal\Core\Flood | core/ |
Defines the database flood backend. This is the default Drupal backend. | 2 | 2 | ||
| DatabaseBackend | class | Drupal\Core\Cache | core/ |
Defines a default cache implementation. | 4 | |||
| DatabaseBackendFactory | class | Drupal\Core\Cache | core/ |
Defines a default cache backend factory. | 2 | 2 |
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