Classes, traits, and interfaces - main - 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 |
|---|---|---|---|---|---|---|---|---|
| ExtensionMimeTypeGuesser | class | Drupal\Core\File\MimeType | core/ |
Makes possible to guess the MIME type of a file using its extension. | 2 | 2 | ||
| ExtensionMimeTypeGuesser | class | Drupal\Core\ProxyClass\File\MimeType | core/ |
Provides a proxy class for \Drupal\Core\File\MimeType\ExtensionMimeTypeGuesser. | ||||
| ExtensionMimeTypeGuesserDeprecationTest | class | Drupal\KernelTests\Core\File | core/ |
Tests that deprecation messages are raised for deprecations. | ||||
| ExtensionMimeTypeGuesserLegacyTest | class | Drupal\KernelTests\Core\File\MimeType | core/ |
Tests filename mimetype detection. | ||||
| ExtensionMimeTypeGuesserTest | class | Drupal\KernelTests\Core\File\MimeType | core/ |
Tests filename mimetype detection. | ||||
| ExtensionNameConstraint | class | Drupal\Core\Extension\Plugin\Validation\Constraint | core/ |
Checks that the value is a valid extension name. | 1 | |||
| ExtensionNameConstraintTest | class | Drupal\KernelTests\Core\Extension | core/ |
Tests the ExtensionName constraint. | ||||
| ExtensionNameLengthException | class | Drupal\Core\Extension | core/ |
Exception thrown when the extension's name length exceeds the maximum. | 2 | |||
| ExtensionNameReservedException | class | Drupal\Core\Extension | core/ |
Exception thrown when the extension's name is already reserved. | 2 | |||
| ExtensionPathResolver | class | Drupal\Core\Extension | core/ |
Factory for getting extension lists by type. | 5 | 2 | ||
| ExtensionPathResolverTest | class | Drupal\KernelTests\Core\Bootstrap | core/ |
Tests that extension path resolver works correctly. | ||||
| ExtensionSerializationTest | class | Drupal\Tests\Core\Extension | core/ |
Tests Extension serialization. | ||||
| ExtensionStreamBase | abstract class | Drupal\Core\StreamWrapper | core/ |
Defines a base stream wrapper implementation for extension assets. | 2 | 1 | ||
| ExtensionStreamTest | class | Drupal\KernelTests\Core\StreamWrapper | core/ |
Tests extension stream wrappers. | ||||
| ExtensionTest | class | Drupal\Tests\system\Kernel\Plugin\migrate\source | core/ |
Tests legacy extension source plugin. | ||||
| ExtensionVersion | final class | Drupal\Core\Extension | core/ |
Provides an extension version value object. | 6 | |||
| ExtensionVersionTest | class | Drupal\Tests\Core\Extension | core/ |
Tests Drupal\Core\Extension\ExtensionVersion. | ||||
| ExtensionViewsFieldTest | class | Drupal\Tests\file\Kernel\Views | core/ |
Tests the core Drupal\file\Plugin\views\field\Extension handler. | ||||
| ExternalFormUrlTest | class | Drupal\KernelTests\Core\Form | core/ |
Ensures that form actions can't be tricked into sending to external URLs. | ||||
| ExternalNormalizersTest | class | Drupal\Tests\jsonapi\Functional | core/ |
Asserts external normalizers are handled as expected by the JSON:API module. | ||||
| Extract | class | Drupal\migrate\Plugin\migrate\process | core/ |
Extracts a value from an array. | 1 | |||
| ExtractorTest | class | Drupal\Tests\Core\Theme\Icon\Plugin | core/ |
Tests icon extractor with base and finder base plugin. | ||||
| ExtractTest | class | Drupal\Tests\migrate\Unit\process | core/ |
Tests Drupal\migrate\Plugin\migrate\process\Extract. | ||||
| ExtractTest | class | Drupal\Tests\migrate\Kernel\process | core/ |
Tests the extract process plugin. | ||||
| ExtraFieldBlock | class | Drupal\layout_builder\Plugin\Block | core/ |
Provides a block that renders an extra field from an entity. | 1 | |||
| ExtraFieldBlockCacheTagInvalidator | class | Drupal\layout_builder\Cache | core/ |
Provides a cache tag invalidator that clears the block cache. | 2 | |||
| ExtraFieldBlockDeriver | class | Drupal\layout_builder\Plugin\Derivative | core/ |
Provides entity field block definitions for every field. | 1 | |||
| FactoryInterface | interface | Drupal\Component\Plugin\Factory | core/ |
Factory interface implemented by all plugin factories. | 2 | 6 | ||
| FactoryTest | class | Drupal\KernelTests\Core\Plugin | core/ |
Tests that plugins are correctly instantiated. | ||||
| Failing | class | Drupal\image_test\Plugin\ImageToolkit\Operation\test | core/ |
An image toolkit operation that throws a \RuntimeException. | ||||
| FailureMarker | final class | Drupal\package_manager | core/ |
Handles failure marker file operation. | 8 | |||
| FailureMarkerExistsException | final class | Drupal\package_manager\Exception | core/ |
Exception thrown if a stage can't be created due to an earlier failed commit. | 5 | |||
| FailureMarkerRequirementTest | class | Drupal\Tests\package_manager\Functional | core/ |
Tests that Package Manager's requirements check for the failure marker. | ||||
| FailureMarkerTest | class | Drupal\Tests\package_manager\Kernel | core/ |
Tests Drupal\package_manager\FailureMarker. | ||||
| FakeAutoloader | class | Drupal\Tests\Core\DrupalKernel | core/ |
A fake autoloader for testing. | ||||
| FakeLogEntries | trait | Drupal\Tests\dblog\Functional | core/ |
Provides methods to generate log entries. | 1 | |||
| FakeRecord | class | Drupal\Tests\system\Functional\Database | core/ |
Fetches into a class. | 2 | |||
| FakeSiteFixtureTest | class | Drupal\Tests\package_manager\Kernel | core/ |
Test that the 'fake-site' fixture is a valid starting point. | ||||
| FakeViewModeContext | class | Drupal\layout_builder_field_block_test\ContextProvider | core/ |
Provides a global context for view_mode for testing purposes. | 2 | |||
| FallbackFieldTypeCategory | class | Drupal\Core\Field | core/ |
Fallback plugin class for FieldTypeCategoryManager. | 1 | 1 | ||
| FallbackPluginManagerInterface | interface | Drupal\Component\Plugin | core/ |
An interface implemented by plugin managers with fallback plugin behaviors. | 6 | 8 | ||
| FalseContentResponse | class | Drupal\Tests\Core\StackMiddleware | core/ |
Response that returns FALSE from ::getContent(). | ||||
| Fast404ExceptionHtmlSubscriber | class | Drupal\Core\EventSubscriber | core/ |
High-performance 404 exception subscriber. | 2 | |||
| Fast404Test | class | Drupal\FunctionalTests\EventSubscriber | core/ |
Tests the fast 404 functionality. | ||||
| FavoriteAnimalTestForm | class | Drupal\block_test\Form | core/ |
Form that performs favorite animal test. | ||||
| Feed | class | Drupal\views\Plugin\views\display | core/ |
The plugin that handles a feed, such as RSS or atom. | ||||
| FetchModeTrait | trait | Drupal\Core\Database | core/ |
Provide helper methods for statement fetching. | 4 | |||
| FetchTest | class | Drupal\KernelTests\Core\Database | core/ |
Tests the Database system's various fetch capabilities. | ||||
| FiberPlaceholderTest | class | Drupal\Tests\big_pipe\Unit\Render | core/ |
Tests Drupal\big_pipe\Render\BigPipe. | ||||
| FibersTestExtension | class | Drupal\twig_fibers_test\TwigExtension | core/ |
Custom Twig extension that suspends a fiber. | 2 |
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