Classes, traits, and interfaces - 10.3.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 1518

Name	Deprecated	Object type	Namespace	File name	Summary	Direct uses	Use statements	Strings
FieldTest		class	Drupal\Tests\views\Unit\Plugin\field	core/modules/views/tests/src/Unit/Plugin/field/FieldTest.php	@coversDefaultClass \Drupal\views\Plugin\views\field\EntityField[[api-linebreak]] @group views
FieldTest		class	Drupal\Tests\views\FunctionalJavascript\Plugin\views\Handler	core/modules/views/tests/src/FunctionalJavascript/Plugin/views/Handler/FieldTest.php	Tests the field handler UI.
FieldTest		class	Drupal\views_test_data\Plugin\views\field	core/modules/views/tests/modules/views_test_data/src/Plugin/views/field/FieldTest.php	A test field handler.
FieldTest		class	Drupal\Tests\field\Kernel\Plugin\migrate\source\d6	core/modules/field/tests/src/Kernel/Plugin/migrate/source/d6/FieldTest.php	Tests D6 field source plugin.
FieldTest		class	Drupal\Tests\field\Kernel\Plugin\migrate\source\d7	core/modules/field/tests/src/Kernel/Plugin/migrate/source/d7/FieldTest.php	Tests D7 field source plugin.
FieldTestBase		abstract class	Drupal\Tests\field\Functional\Views	core/modules/field/tests/src/Functional/Views/FieldTestBase.php	Provides some helper methods for testing fieldapi integration into views.	1
FieldTestBase		abstract class	Drupal\Tests\field\Functional	core/modules/field/tests/src/Functional/FieldTestBase.php	Parent class for Field API tests.	10	4
FieldTestEntityField		class	Drupal\Tests\views\Unit\Plugin\field	core/modules/views/tests/src/Unit/Plugin/field/FieldTest.php
FieldTestItem		class	Drupal\entity_test\Plugin\Field\FieldType	core/modules/system/tests/modules/entity_test/src/Plugin/Field/FieldType/FieldTestItem.php	Defines the 'field_test' entity field type.
FieldTimeIntervalTest		class	Drupal\Tests\views\Kernel\Handler	core/modules/views/tests/src/Kernel/Handler/FieldTimeIntervalTest.php	Tests the time interval handler.
FieldTranslationSqlStorageTest		class	Drupal\KernelTests\Core\Entity	core/tests/Drupal/KernelTests/Core/Entity/FieldTranslationSqlStorageTest.php	Tests Field translation SQL Storage.
FieldTranslationSynchronizer		class	Drupal\content_translation	core/modules/content_translation/src/FieldTranslationSynchronizer.php	Provides field translation synchronization capabilities.		1	2
FieldTranslationSynchronizerInterface		interface	Drupal\content_translation	core/modules/content_translation/src/FieldTranslationSynchronizerInterface.php	Provides field translation synchronization capabilities.	1	1
FieldType		class	Drupal\Core\Field\Attribute	core/lib/Drupal/Core/Field/Attribute/FieldType.php	Defines a FieldType attribute.		54
FieldType		class	Drupal\Core\Field\Annotation	core/lib/Drupal/Core/Field/Annotation/FieldType.php	Defines a FieldType annotation object.
FieldType		class	Drupal\field\Plugin\migrate\process	core/modules/field/src/Plugin/migrate/process/FieldType.php	#[MigrateProcess('field_type')]
FieldTypeCategoriesIntegrationTest		class	Drupal\Tests\field_ui\Functional	core/modules/field_ui/tests/src/Functional/FieldTypeCategoriesIntegrationTest.php	Tests field UI integration with field type categories for loading libraries.
FieldTypeCategory		class	Drupal\Core\Field	core/lib/Drupal/Core/Field/FieldTypeCategory.php	Default object used for field_type_categories plugins.	1
FieldTypeCategoryDiscoveryTest		class	Drupal\Tests\field\Kernel	core/modules/field/tests/src/Kernel/FieldTypeCategoryDiscoveryTest.php	Tests discovery of field type categories provided by modules.
FieldTypeCategoryInterface		interface	Drupal\Core\Field	core/lib/Drupal/Core/Field/FieldTypeCategoryInterface.php	Provides an object that returns the category info about the field type.	1
FieldTypeCategoryManager		class	Drupal\Core\Field	core/lib/Drupal/Core/Field/FieldTypeCategoryManager.php	Defines a field type category info plugin manager.			2
FieldTypeCategoryManagerInterface		interface	Drupal\Core\Field	core/lib/Drupal/Core/Field/FieldTypeCategoryManagerInterface.php	Defines an interface for field type category managers.	1	7
FieldTypeDefaults		class	Drupal\field\Plugin\migrate\process\d6	core/modules/field/src/Plugin/migrate/process/d6/FieldTypeDefaults.php	Gives us a chance to set per field defaults.		1
FieldTypeDefaults		class	Drupal\field\Plugin\migrate\process\d7	core/modules/field/src/Plugin/migrate/process/d7/FieldTypeDefaults.php	Gives us a chance to set per field defaults.		1
FieldTypeDefaultsTest		class	Drupal\Tests\field\Unit\Plugin\migrate\process\d6	core/modules/field/tests/src/Unit/Plugin/migrate/process/d6/FieldTypeDefaultsTest.php	Tests D6 fields defaults.
FieldTypeDefaultsTest		class	Drupal\Tests\field\Unit\Plugin\migrate\process\d7	core/modules/field/tests/src/Unit/Plugin/migrate/process/d7/FieldTypeDefaultsTest.php	Tests D7 field formatter defaults.
FieldTypePluginManager		class	Drupal\Core\Field	core/lib/Drupal/Core/Field/FieldTypePluginManager.php	Plugin manager for 'field type' plugins.		2	2
FieldTypePluginManagerInterface		interface	Drupal\Core\Field	core/lib/Drupal/Core/Field/FieldTypePluginManagerInterface.php	Defines an interface for the field type plugin manager.	1	32
FieldTypePluginManagerTest		class	Drupal\Tests\Core\Field	core/tests/Drupal/Tests/Core/Field/FieldTypePluginManagerTest.php	@coversDefaultClass \Drupal\Core\Field\FieldTypePluginManager[[api-linebreak]] @group Field
FieldTypePluginManagerTest		class	Drupal\Tests\field\Kernel	core/modules/field/tests/src/Kernel/FieldTypePluginManagerTest.php	Tests the field type manager.
FieldTypeTest		class	Drupal\Tests\block_content\Kernel\Views	core/modules/block_content/tests/src/Kernel/Views/FieldTypeTest.php	Tests the Drupal\block_content\Plugin\views\field\Type handler.
FieldUI		class	Drupal\field_ui	core/modules/field_ui/src/FieldUI.php	Static service container wrapper for Field UI.		12
FieldUIDeleteTest		class	Drupal\Tests\field_ui\Functional	core/modules/field_ui/tests/src/Functional/FieldUIDeleteTest.php	Tests deletion of a field and their dependencies in the UI.
FieldUIIndentationTest		class	Drupal\Tests\field_ui\Functional	core/modules/field_ui/tests/src/Functional/FieldUIIndentationTest.php	Tests indentation on Field UI.
FieldUiIntegrationTest		class	Drupal\Tests\media_library\FunctionalJavascript	core/modules/media_library/tests/src/FunctionalJavascript/FieldUiIntegrationTest.php	Tests field UI integration for media library widget.
FieldUiJSTestTrait		trait	Drupal\Tests\field_ui\Traits	core/modules/field_ui/tests/src/Traits/FieldUiJSTestTrait.php	Provides common functionality for the Field UI tests that depend on JS.		7
FieldUiLocalAction		class	Drupal\field_ui\Plugin\Derivative	core/modules/field_ui/src/Plugin/Derivative/FieldUiLocalAction.php	Provides local action definitions for all entity bundles.			1
FieldUiLocalTask		class	Drupal\field_ui\Plugin\Derivative	core/modules/field_ui/src/Plugin/Derivative/FieldUiLocalTask.php	Provides local task definitions for all entity bundles.		1	1
FieldUiPermissions		class	Drupal\field_ui	core/modules/field_ui/src/FieldUiPermissions.php	Provides dynamic permissions of the field_ui module.
FieldUIRouteTest		class	Drupal\Tests\field_ui\Functional	core/modules/field_ui/tests/src/Functional/FieldUIRouteTest.php	Tests the functionality of the Field UI route subscriber.
FieldUiTable		class	Drupal\field_ui\Element	core/modules/field_ui/src/Element/FieldUiTable.php	Provides a field_ui table element.
FieldUiTableTest		class	Drupal\Tests\field_ui\Unit	core/modules/field_ui/tests/src/Unit/FieldUiTableTest.php	@coversDefaultClass \Drupal\field_ui\Element\FieldUiTable[[api-linebreak]]
FieldUiTest		class	Drupal\Tests\field_ui\Unit	core/modules/field_ui/tests/src/Unit/FieldUiTest.php	@coversDefaultClass \Drupal\field_ui\FieldUI[[api-linebreak]]
FieldUITest		class	Drupal\Tests\views_ui\Functional	core/modules/views_ui/tests/src/Functional/FieldUITest.php	Tests the UI of field handlers.
FieldUITest		class	Drupal\Tests\field\Functional\Views	core/modules/field/tests/src/Functional/Views/FieldUITest.php	Tests the UI of the field handler.
FieldUiTestTrait		trait	Drupal\Tests\field_ui\Traits	core/modules/field_ui/tests/src/Traits/FieldUiTestTrait.php	Provides common functionality for the Field UI test classes.		22
FieldUninstallValidator		class	Drupal\field\ProxyClass	core/modules/field/src/ProxyClass/FieldUninstallValidator.php	Provides a proxy class for \Drupal\field\FieldUninstallValidator.
FieldUninstallValidator		class	Drupal\field	core/modules/field/src/FieldUninstallValidator.php	Prevents uninstallation of modules providing active field storage.			2
FieldUninstallValidatorTest		class	Drupal\Tests\field\Unit	core/modules/field/tests/src/Unit/FieldUninstallValidatorTest.php	@coversDefaultClass \Drupal\field\FieldUninstallValidator[[api-linebreak]] @group field
FieldUpdateActionBase		abstract class	Drupal\Core\Field	core/lib/Drupal/Core/Field/FieldUpdateActionBase.php	Provides a base for action plugins that update one or more fields.	4	4

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