Classes, traits, and interfaces - 9.5.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
-
core/
core.api.php, line 1523
| Name | Deprecated | Object type | Namespace | File name | Summary | Direct uses | Use statements | Strings |
|---|---|---|---|---|---|---|---|---|
| FilterUninstallValidator | class | Drupal\filter | core/ |
Prevents uninstallation of modules providing used filter plugins. | 2 | |||
| FilterUninstallValidatorTest | class | Drupal\Tests\filter\Unit | core/ |
@coversDefaultClass \Drupal\filter\FilterUninstallValidator @group filter | ||||
| FilterUrl | class | Drupal\filter\Plugin\Filter | core/ |
Provides a filter to convert URLs into links. | 1 | |||
| FinalExceptionSubscriber | class | Drupal\Core\EventSubscriber | core/ |
Last-chance handler for exceptions: the final exception subscriber. | 1 | 1 | 2 | |
| FinalExceptionSubscriberTest | class | Drupal\Tests\Core\EventSubscriber | core/ |
@coversDefaultClass \Drupal\Core\EventSubscriber\FinalExceptionSubscriber @group EventSubscriber | ||||
| FinalMissingContentSubscriber | class | Drupal\Core\Config\Importer | core/ |
Final event subscriber to the missing content event. | 2 | |||
| FinishResponseSubscriber | class | Drupal\Core\EventSubscriber | core/ |
Response subscriber to handle finished responses. | 2 | |||
| Fixed | class | Drupal\views\Plugin\views\argument_default | core/ |
The fixed argument default handler. | ||||
| FixtureDeprecatedClass | class | Drupal\deprecation_test\Deprecation | core/ |
Fixture class for use by DrupalStandardsListenerDeprecationTest. | 4 | 2 | ||
| Fixtures | class | Drupal\Tests\Composer\Generator | core/ |
Convenience class for creating fixtures. | ||||
| Fixtures | class | Drupal\Tests\Composer\Plugin\Scaffold | core/ |
Convenience class for creating fixtures. | 8 | |||
| Flatten | class | Drupal\migrate\Plugin\migrate\process | core/ |
Flattens the source value. | 1 | |||
| FlattenTest | class | Drupal\Tests\migrate\Unit\process | core/ |
Tests the flatten plugin. | ||||
| FloatData | class | Drupal\Core\TypedData\Plugin\DataType | core/ |
The float data type. | 1 | 1 | ||
| FloatInterface | interface | Drupal\Core\TypedData\Type | core/ |
Interface for floating-point numbers. | 1 | 5 | ||
| FloatItem | class | Drupal\Core\Field\Plugin\Field\FieldType | core/ |
Defines the 'float' field type. | ||||
| FloodInterface | interface | Drupal\Core\Flood | core/ |
Defines an interface for flood controllers. | 3 | 8 | ||
| FloodTest | class | Drupal\Tests\system\Kernel\System | core/ |
Functional tests for the flood control mechanism. | ||||
| FocusFirstCommand | class | Drupal\Core\Ajax | core/ |
AJAX command for focusing an element. | 2 | |||
| FocusFirstCommandTest | class | Drupal\FunctionalJavascriptTests\Ajax | core/ |
Tests setting focus via AJAX command. | ||||
| FolderTest | class | Drupal\FunctionalTests | core/ |
Tests BrowserTestBase's treatment of hook_install() during setup. | ||||
| FollowUpMigrationsTest | class | Drupal\Tests\migrate_drupal\Kernel\d6 | core/ |
Tests follow-up migrations. | ||||
| FollowUpMigrationsTest | class | Drupal\Tests\migrate_drupal\Kernel\d7 | core/ |
Tests follow-up migrations. | ||||
| Foo | class | Drupal\image_test\Plugin\ImageToolkit\Operation\test | core/ |
Builds an image toolkit operation. | ||||
| FooCacheContext | class | Drupal\Tests\Core\Cache\Context | core/ |
Fake cache context class. | ||||
| FooDerived | class | Drupal\image_test\Plugin\ImageToolkit\Operation\test | core/ |
Builds an image toolkit operation. | ||||
| Form | class | Drupal\Core\Render\Element | core/ |
Provides a render element for a form. | ||||
| FormActionXssTest | class | Drupal\KernelTests\Core\Form | core/ |
Ensures that a form's action attribute can't be exploited with XSS. | ||||
| FormAjaxException | class | Drupal\Core\Form | core/ |
Custom exception to break out of AJAX form processing. | 2 | |||
| FormAjaxResponseBuilder | class | Drupal\Core\Form | core/ |
Builds an AJAX form response. | 1 | 2 | ||
| FormAjaxResponseBuilderInterface | interface | Drupal\Core\Form | core/ |
Provides an interface for building AJAX form responses. | 1 | 1 | ||
| FormAjaxResponseBuilderTest | class | Drupal\Tests\Core\Form | core/ |
@coversDefaultClass \Drupal\Core\Form\FormAjaxResponseBuilder @group Form | ||||
| FormAjaxSubscriber | class | Drupal\Core\Form\EventSubscriber | core/ |
Wraps AJAX form submissions that are triggered via an exception. | 1 | 2 | ||
| FormAjaxSubscriberTest | class | Drupal\Tests\Core\Form\EventSubscriber | core/ |
@coversDefaultClass \Drupal\Core\Form\EventSubscriber\FormAjaxSubscriber @group EventSubscriber | ||||
| FormatDate | class | Drupal\migrate\Plugin\migrate\process | core/ |
Converts date/datetime from one format to another. | 1 | |||
| FormatDateTest | class | Drupal\Tests\migrate\Unit\process | core/ |
Tests the format date process plugin. | ||||
| FormatDateTest | class | Drupal\Tests\system\Functional\Common | core/ |
Tests the DateFormatterInterface::format() function. | ||||
| FormattableMarkup | class | Drupal\Component\Render | core/ |
Formats a string for HTML display by replacing variable placeholders. | 1 | 224 | ||
| FormattableMarkupKernelTest | class | Drupal\KernelTests\Component\Render | core/ |
Provides a test covering integration of FormattableMarkup with other systems. | ||||
| FormattableMarkupTest | class | Drupal\Tests\Component\Render | core/ |
Tests the TranslatableMarkup class. | ||||
| FormattedDateDiff | class | Drupal\Core\Datetime | core/ |
Contains a formatted time difference. | 1 | |||
| FormatterBase | abstract class | Drupal\Core\Field | core/ |
Base class for 'Field formatter' plugin implementations. | 35 | 35 | ||
| FormatterInterface | interface | Drupal\Core\Field | core/ |
Interface definition for field formatter plugins. | 1 | 2 | ||
| FormatterPluginManager | class | Drupal\Core\Field | core/ |
Plugin type manager for field formatters. | 6 | 2 | ||
| FormatterPluginManagerTest | class | Drupal\Tests\field\Kernel | core/ |
Tests the field formatter plugin manager. | ||||
| FormBase | abstract class | Drupal\Core\Form | core/ |
Provides a base class for forms. | 148 | 145 | ||
| FormBuilder | class | Drupal\Core\Form | core/ |
Provides form building and processing. | 2 | 2 | ||
| FormBuilderInterface | interface | Drupal\Core\Form | core/ |
Provides an interface for form building and processing. | 1 | 27 | ||
| FormBuilderTest | class | Drupal\Tests\Core\Form | core/ |
@coversDefaultClass \Drupal\Core\Form\FormBuilder @group Form | ||||
| FormCache | class | Drupal\Core\Form | core/ |
Encapsulates the caching of a form and its form state. | 1 | 2 |
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