Classes, traits, and interfaces - 8.9.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 1511

Name Deprecated Object type Namespace File name Summary Direct uses Use statements Strings
FieldConfigXmlBasicAuthTest class Drupal\Tests\field\Functional\Rest core/modules/field/tests/src/Functional/Rest/FieldConfigXmlBasicAuthTest.php @group rest
FieldConfigXmlCookieTest class Drupal\Tests\field\Functional\Rest core/modules/field/tests/src/Functional/Rest/FieldConfigXmlCookieTest.php @group rest
FieldCounterTest class Drupal\Tests\views\Kernel\Handler core/modules/views/tests/src/Kernel/Handler/FieldCounterTest.php Tests the Drupal\views\Plugin\views\field\Counter handler.
FieldCounterTest class Drupal\Tests\rest\Functional\Views core/modules/rest/tests/src/Functional/Views/FieldCounterTest.php Tests the display of counter field.
FieldCrudTest class Drupal\Tests\field\Kernel core/modules/field/tests/src/Kernel/FieldCrudTest.php Create field entities by attaching fields to entities.
FieldCustomTest class Drupal\Tests\views\Kernel\Handler core/modules/views/tests/src/Kernel/Handler/FieldCustomTest.php Tests the core Drupal\views\Plugin\views\field\Custom handler.
FieldDataCountTest class Drupal\Tests\field\Kernel core/modules/field/tests/src/Kernel/FieldDataCountTest.php Tests counting field data records and the hasData() method on FieldStorageConfig entity.
FieldDateTest class Drupal\Tests\views\Kernel\Handler core/modules/views/tests/src/Kernel/Handler/FieldDateTest.php Tests the core Drupal\views\Plugin\views\field\Date handler.
FieldDefaultValueCallbackProvider class Drupal\field_test core/modules/field/tests/modules/field_test/src/FieldDefaultValueCallbackProvider.php Helper class for \Drupal\Tests\field\Functional\FieldDefaultValueCallbackTest.
FieldDefaultValueCallbackTest class Drupal\Tests\field\Functional core/modules/field/tests/src/Functional/FieldDefaultValueCallbackTest.php Tests the default value callback.
FieldDefinition class Drupal\Core\Field core/lib/Drupal/Core/Field/FieldDefinition.php A class for defining entity field definitions. 4
FieldDefinitionIntegrityTest class Drupal\Tests\field\Kernel core/modules/field/tests/src/Kernel/FieldDefinitionIntegrityTest.php Tests the integrity of field API plugin definitions.
FieldDefinitionInterface interface Drupal\Core\Field core/lib/Drupal/Core/Field/FieldDefinitionInterface.php Defines an interface for entity field definitions. 5 132
FieldDefinitionListener class Drupal\Core\Field core/lib/Drupal/Core/Field/FieldDefinitionListener.php Reacts to field definition CRUD on behalf of the Entity system. 1 2
FieldDefinitionListenerInterface interface Drupal\Core\Field core/lib/Drupal/Core/Field/FieldDefinitionListenerInterface.php Defines an interface for reacting to field creation, deletion, and updates. 3 2
FieldDefinitionListenerTest class Drupal\Tests\Core\Field core/tests/Drupal/Tests/Core/Field/FieldDefinitionListenerTest.php @coversDefaultClass \Drupal\Core\Field\FieldDefinitionListener @group Field
FieldDefinitionTest class Drupal\Tests\Core\Entity core/tests/Drupal/Tests/Core/Entity/FieldDefinitionTest.php Unit test for the FieldDefinition class.
FieldDeprecateAllowedTagsXssTraitClass class Drupal\Tests\Core\Field core/tests/Drupal/Tests/Core/Field/AllowedTagsXssTraitDeprecateTest.php Class FieldDeprecateAllowedTagsXssTraitClass
FieldDiscovery class Drupal\migrate_drupal core/modules/migrate_drupal/src/FieldDiscovery.php Provides field discovery for Drupal 6 & 7 migrations. 1 2 2
FieldDiscoveryInterface interface Drupal\migrate_drupal core/modules/migrate_drupal/src/FieldDiscoveryInterface.php Provides field discovery for Drupal 6 & 7 migrations. 1 8
FieldDiscoveryTest class Drupal\Tests\migrate_drupal\Unit core/modules/migrate_drupal/tests/src/Unit/FieldDiscoveryTest.php Tests the FieldDiscovery Class.
FieldDiscoveryTest class Drupal\Tests\migrate_drupal\Kernel\d6 core/modules/migrate_drupal/tests/src/Kernel/d6/FieldDiscoveryTest.php Tests FieldDiscovery service against Drupal 6.
FieldDiscoveryTest class Drupal\Tests\migrate_drupal\Kernel\d7 core/modules/migrate_drupal/tests/src/Kernel/d7/FieldDiscoveryTest.php Test FieldDiscovery Service against Drupal 7.
FieldDiscoveryTestClass class Drupal\field_discovery_test core/modules/migrate_drupal/tests/modules/field_discovery_test/src/FieldDiscoveryTestClass.php A test class to expose protected methods. 4
FieldDiscoveryTestTrait trait Drupal\Tests\migrate_drupal\Traits core/modules/migrate_drupal/tests/src/Traits/FieldDiscoveryTestTrait.php Helper functions to test field discovery. 2
FieldDisplayTest class Drupal\Tests\field\Kernel core/modules/field/tests/src/Kernel/FieldDisplayTest.php Tests Field display.
FieldDropbuttonTest class Drupal\Tests\views\Kernel\Handler core/modules/views/tests/src/Kernel/Handler/FieldDropbuttonTest.php Tests the core Drupal\views\Plugin\views\field\Dropbutton handler.
FieldDropButtonTest class Drupal\Tests\views\Functional\Handler core/modules/views/tests/src/Functional/Handler/FieldDropButtonTest.php Tests the dropbutton field handler.
FieldEntityLinkBaseTest class Drupal\Tests\views\Functional\Handler core/modules/views/tests/src/Functional/Handler/FieldEntityLinkBaseTest.php Tests the core Drupal\views\Plugin\views\field\LinkBase handler.
FieldEntityLinkTest class Drupal\Tests\views\Kernel\Handler core/modules/views/tests/src/Kernel/Handler/FieldEntityLinkTest.php Tests the core Drupal\views\Plugin\views\field\EntityOperations handler.
FieldEntityOperationsTest class Drupal\Tests\views\Functional\Handler core/modules/views/tests/src/Functional/Handler/FieldEntityOperationsTest.php Tests the core Drupal\views\Plugin\views\field\EntityOperations handler.
FieldEntityTest class Drupal\Tests\views\Functional\Entity core/modules/views/tests/src/Functional/Entity/FieldEntityTest.php Tests the field plugin base integration with the entity system.
FieldEntityTranslationTest class Drupal\Tests\views\Functional\Entity core/modules/views/tests/src/Functional/Entity/FieldEntityTranslationTest.php Tests the rendering of fields (base fields) and their translations.
FieldException class Drupal\Core\Field core/lib/Drupal/Core/Field/FieldException.php Base class for all exceptions thrown by the Entity Field API functions. 1 10
FieldFieldAccessTestBase abstract class Drupal\Tests\views\Kernel\Handler core/modules/views/tests/src/Kernel/Handler/FieldFieldAccessTestBase.php Provides a base class for base field access in views. 8 7
FieldFieldTest class Drupal\Tests\views\Kernel\Handler core/modules/views/tests/src/Kernel/Handler/FieldFieldTest.php Provides some integration tests for the Field handler.
FieldFile class Drupal\file\Plugin\migrate\process\d6 core/modules/file/src/Plugin/migrate/process/d6/FieldFile.php Plugin annotation @MigrateProcessPlugin( id = "d6_field_file" ) 1 1
FieldFileSizeTest class Drupal\Tests\views\Kernel\Handler core/modules/views/tests/src/Kernel/Handler/FieldFileSizeTest.php Tests the core Drupal\views\Plugin\views\field\FileSize handler.
FieldFileTest class Drupal\Tests\file\Unit\Plugin\migrate\process\d6 core/modules/file/tests/src/Unit/Plugin/migrate/process/d6/FieldFileTest.php @group file
FieldFilteredMarkup final class Drupal\Core\Field core/lib/Drupal/Core/Field/FieldFilteredMarkup.php Defines an object that passes safe strings through the Field system. 13
FieldFilteredMarkupTest class Drupal\Tests\Core\Field core/tests/Drupal/Tests/Core/Field/FieldFilteredMarkupTest.php @coversDefaultClass \Drupal\Core\Field\FieldFilteredMarkup @group Field
FieldFormatter class Drupal\Core\Field\Annotation core/lib/Drupal/Core/Field/Annotation/FieldFormatter.php Defines a FieldFormatter annotation object.
FieldFormatterSettingsDefaults class Drupal\field\Plugin\migrate\process\d6 core/modules/field/src/Plugin/migrate/process/d6/FieldFormatterSettingsDefaults.php Set the default field settings.
FieldFormatterTest class Drupal\Tests\field\Kernel core/modules/field/tests/src/Kernel/FieldFormatterTest.php Tests for field formatters.
FieldFormButtonTest class Drupal\views_test_data\Plugin\views\field core/modules/views/tests/modules/views_test_data/src/Plugin/views/field/FieldFormButtonTest.php A handler to provide a field that is completely custom by the administrator.
FieldFormCommand class Drupal\quickedit\Ajax core/modules/quickedit/src/Ajax/FieldFormCommand.php AJAX command for passing a rendered field form to Quick Edit's JavaScript app. 1
FieldFormSavedCommand class Drupal\quickedit\Ajax core/modules/quickedit/src/Ajax/FieldFormSavedCommand.php AJAX command to indicate a field was saved into PrivateTempStore without validation errors and pass the rerendered field to Quick Edit's JavaScript app. 1
FieldFormValidationErrorsCommand class Drupal\quickedit\Ajax core/modules/quickedit/src/Ajax/FieldFormValidationErrorsCommand.php AJAX command to indicate a field form was attempted to be saved but failed validation and pass the validation errors. 1
Fieldgroup class Drupal\Core\Render\Element core/lib/Drupal/Core/Render/Element/Fieldgroup.php Provides a render element for a group of form elements.
FieldGroupRowsTest class Drupal\Tests\views\Kernel\Handler core/modules/views/tests/src/Kernel/Handler/FieldGroupRowsTest.php Tests the "Display all values in the same row" setting.

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