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 |
|---|---|---|---|---|---|---|---|---|
| ResponseIsUnprocessable | final class | Symfony\Component\HttpFoundation\Test\Constraint | vendor/ |
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| ResponseKeepSessionOpenInterface | interface | Drupal\Core\Session | core/ |
Indicates that sessions for this response should be kept open after sending. | 1 | 2 | ||
| ResponseListener | class | Symfony\Component\HttpKernel\EventListener | vendor/ |
ResponseListener fixes the Response headers based on the Request. | ||||
| ResponsePolicyInterface | interface | Drupal\Core\PageCache | core/ |
Defines the interface for response policy implementations. | 7 | 9 | ||
| ResponseStatus | class | Drupal\system\Plugin\Condition | core/ |
Provides a 'Response status' condition. | ||||
| ResponseStatusCodeSame | final class | Symfony\Component\HttpFoundation\Test\Constraint | vendor/ |
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| ResponseTextException | class | Behat\Mink\Exception | vendor/ |
Exception thrown when an expectation on the response text fails. | 1 | |||
| ResponsiveImage | class | Drupal\responsive_image\Element | core/ |
Provides a responsive image element. | ||||
| ResponsiveImageFormatter | class | Drupal\responsive_image\Plugin\Field\FieldFormatter | core/ |
Plugin for responsive image formatter. | ||||
| ResponsiveImageHooks | class | Drupal\responsive_image\Hook | core/ |
Hook implementations for responsive_image. | ||||
| ResponsiveImageStyle | class | Drupal\responsive_image\Entity | core/ |
Defines the responsive image style entity. | 2 | |||
| ResponsiveImageStyleForm | class | Drupal\responsive_image | core/ |
Form controller for the responsive image edit/add forms. | 1 | |||
| ResponsiveImageStyleInterface | interface | Drupal\responsive_image | core/ |
Provides an interface defining a responsive_image mapping entity. | 1 | 2 | ||
| ResponsiveImageStyleListBuilder | class | Drupal\responsive_image | core/ |
Provides a listing of responsive image styles. | 1 | |||
| ResponsiveImageStyles | class | Drupal\responsive_image\Plugin\migrate\source\d7 | core/ |
Gets Drupal responsive image styles source from database. | ||||
| RestElement | class | Peast\Syntax\Node | vendor/ |
A node that represents the rest element in array binding patterns or function parameters. For example "...rest" in: [a, ...rest] = b | ||||
| RestExport | class | Drupal\rest\Plugin\views\display | core/ |
The plugin that handles Data response callbacks for REST resources. | ||||
| RestHooks | class | Drupal\rest\Hook | core/ |
Hook implementations for rest. | ||||
| Restorer | final class | SebastianBergmann\GlobalState | vendor/ |
1 | ||||
| RestPermissions | class | Drupal\rest | core/ |
Provides rest module permissions. | ||||
| RestResource | class | Drupal\rest\Attribute | core/ |
Defines a REST resource attribute object. | 5 | |||
| RestResource | class | Drupal\rest\Annotation | core/ |
Defines a REST resource annotation object. | ||||
| RestResourceConfig | class | Drupal\rest\Entity | core/ |
Defines a RestResourceConfig configuration entity class. | ||||
| RestResourceConfigInterface | interface | Drupal\rest | core/ |
Defines a configuration entity to store enabled REST resources. | 1 | 3 | ||
| RestripeCommand | class | Drupal\Core\Ajax | core/ |
AJAX command for resetting the striping on a table. | ||||
| ReStructuredTextDescriptor | class | Symfony\Component\Console\Descriptor | vendor/ |
1 | ||||
| Result | interface | Egulias\EmailValidator\Result | vendor/ |
2 | 15 | |||
| Result | final class | PHPUnit\TextUI\Command | vendor/ |
@psalm-immutable | 1 | |||
| Result | class | Drupal\views\Plugin\views\area | core/ |
Views area handler to display some configurable result summary. | ||||
| ResultCache | interface | PHPUnit\Runner\ResultCache | vendor/ |
@no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit | 2 | 3 | ||
| ResultCacheHandler | final class | PHPUnit\Runner\ResultCache | vendor/ |
@no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit | 1 | |||
| ResultPrinter | final class | PHPUnit\TextUI\Output\Default | vendor/ |
@no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit | 1 | |||
| ResultPrinter | final class | PHPUnit\TextUI\Output\TestDox | vendor/ |
@no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit | 1 | |||
| ResultRow | class | Drupal\views | core/ |
A class representing a view result row. | 58 | |||
| RetryMiddleware | class | GuzzleHttp | vendor/ |
Middleware that retries requests based on the boolean result of invoking the provided "decider" function. | ||||
| ReturnArgument | final class | PHPUnit\Framework\MockObject\Stub | vendor/ |
@no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit | 3 | |||
| ReturnArgumentPromise | class | Prophecy\Promise | vendor/ |
Returns nth argument if has one, null otherwise. | ||||
| ReturnByReferenceException | class | Prophecy\Exception\Doubler | vendor/ |
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| ReturnCallback | final class | PHPUnit\Framework\MockObject\Stub | vendor/ |
@no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit | 3 | |||
| ReturnFactory | final class | phpDocumentor\Reflection\DocBlock\Tags\Factory | vendor/ |
@internal This class is not part of the BC promise of this library. | 1 | |||
| ReturnFunctionValueSniff | class | PHP_CodeSniffer\Standards\MySource\Sniffs\PHP | vendor/ |
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| ReturnPromise | class | Prophecy\Promise | vendor/ |
Returns saved values one by one until last one, then continuously returns last value. | ||||
| ReturnReference | final class | PHPUnit\Framework\MockObject\Stub | vendor/ |
@no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit | 1 | |||
| ReturnSelf | final class | PHPUnit\Framework\MockObject\Stub | vendor/ |
@no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit | 3 | |||
| ReturnStatement | class | Peast\Syntax\Node | vendor/ |
A node that represents the return statement inside functions. For example: return a + 1 | ||||
| ReturnStub | final class | PHPUnit\Framework\MockObject\Stub | vendor/ |
@no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit | 3 | |||
| ReturnTagValueNode | class | PHPStan\PhpDocParser\Ast\PhpDoc | vendor/ |
6 | ||||
| ReturnTypeDeclarationSniff | class | PHP_CodeSniffer\Standards\PSR12\Sniffs\Functions | vendor/ |
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| ReturnTypeHintSniff | class | SlevomatCodingStandard\Sniffs\TypeHints | vendor/ |
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| ReturnTypeHintSpacingSniff | class | SlevomatCodingStandard\Sniffs\TypeHints | vendor/ |