Classes, traits, and interfaces - 11.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 1519

Name Deprecated Object type Namespace File name Summary Direct uses Use statements Strings
EntityReference class Drupal\views\Plugin\views\filter core/modules/views/src/Plugin/views/filter/EntityReference.php Filters a view by entity references. 1
EntityReference class Drupal\views\Plugin\views\filter core/modules/views/src/Plugin/views/filter/EntityReference.php Filters a view by entity references. 1
EntityReference class Drupal\views\Plugin\views\style core/modules/views/src/Plugin/views/style/EntityReference.php EntityReference style plugin.
EntityReference class Drupal\Core\Entity\Plugin\DataType core/lib/Drupal/Core/Entity/Plugin/DataType/EntityReference.php Defines an 'entity_reference' data type. 2
EntityReference class Drupal\Core\Entity\Plugin\DataType core/lib/Drupal/Core/Entity/Plugin/DataType/EntityReference.php Defines an 'entity_reference' data type. 2
EntityReference class Drupal\field\Plugin\migrate\field\d7 core/modules/field/src/Plugin/migrate/field/d7/EntityReference.php MigrateField plugin for Drupal 7 entity_reference fields.
EntityReferenceAdminTest class Drupal\Tests\field\FunctionalJavascript\EntityReference core/modules/field/tests/src/FunctionalJavascript/EntityReference/EntityReferenceAdminTest.php Tests for the administrative UI.
EntityReferenceAdminTest class Drupal\Tests\field\Functional\EntityReference core/modules/field/tests/src/Functional/EntityReference/EntityReferenceAdminTest.php Tests for the administrative UI.
EntityReferenceArgument class Drupal\views\Plugin\views\argument core/modules/views/src/Plugin/views/argument/EntityReferenceArgument.php Argument handler to accept an entity reference ID value.
EntityReferenceAutocompleteTagsWidget class Drupal\Core\Field\Plugin\Field\FieldWidget core/lib/Drupal/Core/Field/Plugin/Field/FieldWidget/EntityReferenceAutocompleteTagsWidget.php Plugin implementation of the 'entity_reference_autocomplete_tags' widget.
EntityReferenceAutocompleteWidget class Drupal\Core\Field\Plugin\Field\FieldWidget core/lib/Drupal/Core/Field/Plugin/Field/FieldWidget/EntityReferenceAutocompleteWidget.php Plugin implementation of the 'entity_reference_autocomplete' widget. 1
EntityReferenceAutocompleteWidget class Drupal\Core\Field\Plugin\Field\FieldWidget core/lib/Drupal/Core/Field/Plugin/Field/FieldWidget/EntityReferenceAutocompleteWidget.php Plugin implementation of the 'entity_reference_autocomplete' widget. 1
EntityReferenceAutocompleteWidgetTest class Drupal\FunctionalJavascriptTests\EntityReference core/tests/Drupal/FunctionalJavascriptTests/EntityReference/EntityReferenceAutocompleteWidgetTest.php Tests the output of entity reference autocomplete widgets.
EntityReferenceAutoCreateTest class Drupal\Tests\field\Functional\EntityReference core/modules/field/tests/src/Functional/EntityReference/EntityReferenceAutoCreateTest.php Tests creating new entity (e.g. taxonomy-term) from an autocomplete widget.
EntityReferenceEntityFormatter class Drupal\Core\Field\Plugin\Field\FieldFormatter core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceEntityFormatter.php Plugin implementation of the 'entity reference rendered entity' formatter. 2
EntityReferenceEntityFormatter class Drupal\Core\Field\Plugin\Field\FieldFormatter core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceEntityFormatter.php Plugin implementation of the 'entity reference rendered entity' formatter. 2
EntityReferenceFieldCreationTest class Drupal\Tests\system\Functional\Entity core/modules/system/tests/src/Functional/Entity/EntityReferenceFieldCreationTest.php Tests creating entity reference fields in the UI.
EntityReferenceFieldCreationTrait trait Drupal\Tests\field\Traits core/modules/field/tests/src/Traits/EntityReferenceFieldCreationTrait.php Provides common functionality for the EntityReference test classes. 48
EntityReferenceFieldCreationTrait trait Drupal\Tests\field\Traits core/modules/field/tests/src/Traits/EntityReferenceFieldCreationTrait.php Provides common functionality for the EntityReference test classes. 48
EntityReferenceFieldDefaultValueTest class Drupal\Tests\field\Functional\EntityReference core/modules/field/tests/src/Functional/EntityReference/EntityReferenceFieldDefaultValueTest.php Tests entity reference field default values storage in CMI.
EntityReferenceFieldItemList class Drupal\Core\Field core/lib/Drupal/Core/Field/EntityReferenceFieldItemList.php Defines an item list class for entity reference fields. 2 6
EntityReferenceFieldItemList class Drupal\Core\Field core/lib/Drupal/Core/Field/EntityReferenceFieldItemList.php Defines an item list class for entity reference fields. 2 6
EntityReferenceFieldItemList class Drupal\Core\Field core/lib/Drupal/Core/Field/EntityReferenceFieldItemList.php Defines an item list class for entity reference fields. 2 6
EntityReferenceFieldItemList class Drupal\Core\Field core/lib/Drupal/Core/Field/EntityReferenceFieldItemList.php Defines an item list class for entity reference fields. 2 6
EntityReferenceFieldItemListInterface interface Drupal\Core\Field core/lib/Drupal/Core/Field/EntityReferenceFieldItemListInterface.php Interface for entity reference lists of field items. 1 8
EntityReferenceFieldItemListInterface interface Drupal\Core\Field core/lib/Drupal/Core/Field/EntityReferenceFieldItemListInterface.php Interface for entity reference lists of field items. 1 8
EntityReferenceFieldItemListInterface interface Drupal\Core\Field core/lib/Drupal/Core/Field/EntityReferenceFieldItemListInterface.php Interface for entity reference lists of field items. 1 8
EntityReferenceFieldItemListInterface interface Drupal\Core\Field core/lib/Drupal/Core/Field/EntityReferenceFieldItemListInterface.php Interface for entity reference lists of field items. 1 8
EntityReferenceFieldItemNormalizer class Drupal\serialization\Normalizer core/modules/serialization/src/Normalizer/EntityReferenceFieldItemNormalizer.php Adds the file URI to embedded file entities. 1 2
EntityReferenceFieldItemNormalizer class Drupal\serialization\Normalizer core/modules/serialization/src/Normalizer/EntityReferenceFieldItemNormalizer.php Adds the file URI to embedded file entities. 1 2
EntityReferenceFieldItemNormalizer class Drupal\serialization\Normalizer core/modules/serialization/src/Normalizer/EntityReferenceFieldItemNormalizer.php Adds the file URI to embedded file entities. 1 2
EntityReferenceFieldItemNormalizer class Drupal\serialization\Normalizer core/modules/serialization/src/Normalizer/EntityReferenceFieldItemNormalizer.php Adds the file URI to embedded file entities. 1 2
EntityReferenceFieldItemNormalizerTest class Drupal\Tests\serialization\Unit\Normalizer core/modules/serialization/tests/src/Unit/Normalizer/EntityReferenceFieldItemNormalizerTest.php Tests Drupal\serialization\Normalizer\EntityReferenceFieldItemNormalizer.
EntityReferenceFieldItemNormalizerTrait trait Drupal\serialization\Normalizer core/modules/serialization/src/Normalizer/EntityReferenceFieldItemNormalizerTrait.php Converts empty reference values for entity reference items.
EntityReferenceFieldNormalizer class Drupal\jsonapi\Normalizer core/modules/jsonapi/src/Normalizer/EntityReferenceFieldNormalizer.php Normalizer class specific for entity reference field objects.
EntityReferenceFieldTest class Drupal\KernelTests\Core\Entity core/tests/Drupal/KernelTests/Core/Entity/EntityReferenceFieldTest.php Tests for the entity reference field.
EntityReferenceFieldTranslatedReferenceViewTest class Drupal\Tests\field\Functional\EntityReference core/modules/field/tests/src/Functional/EntityReference/EntityReferenceFieldTranslatedReferenceViewTest.php Tests the translation of entity reference field display on nodes.
EntityReferenceFileUploadTest class Drupal\Tests\field\Functional\EntityReference core/modules/field/tests/src/Functional/EntityReference/EntityReferenceFileUploadTest.php Tests an autocomplete widget with file upload.
EntityReferenceFormatterBase abstract class Drupal\Core\Field\Plugin\Field\FieldFormatter core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceFormatterBase.php Parent plugin for entity reference formatters. 7 4
EntityReferenceFormatterBase abstract class Drupal\Core\Field\Plugin\Field\FieldFormatter core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceFormatterBase.php Parent plugin for entity reference formatters. 7 4
EntityReferenceFormatterBase abstract class Drupal\Core\Field\Plugin\Field\FieldFormatter core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceFormatterBase.php Parent plugin for entity reference formatters. 7 4
EntityReferenceFormatterBase abstract class Drupal\Core\Field\Plugin\Field\FieldFormatter core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceFormatterBase.php Parent plugin for entity reference formatters. 7 4
EntityReferenceFormatterTest class Drupal\Tests\field\Kernel\EntityReference core/modules/field/tests/src/Kernel/EntityReference/EntityReferenceFormatterTest.php Tests the formatters functionality.
EntityReferenceIdFormatter class Drupal\Core\Field\Plugin\Field\FieldFormatter core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceIdFormatter.php Plugin implementation of the 'entity reference ID' formatter.
EntityReferenceIntegrationTest class Drupal\Tests\field\Functional\EntityReference core/modules/field/tests/src/Functional/EntityReference/EntityReferenceIntegrationTest.php Tests various Entity reference UI components.
EntityReferenceItem class Drupal\Core\Field\Plugin\Field\FieldType core/lib/Drupal/Core/Field/Plugin/Field/FieldType/EntityReferenceItem.php Defines the 'entity_reference' entity field type. 3 15
EntityReferenceItem class Drupal\Core\Field\Plugin\Field\FieldType core/lib/Drupal/Core/Field/Plugin/Field/FieldType/EntityReferenceItem.php Defines the 'entity_reference' entity field type. 3 15
EntityReferenceItem class Drupal\Core\Field\Plugin\Field\FieldType core/lib/Drupal/Core/Field/Plugin/Field/FieldType/EntityReferenceItem.php Defines the 'entity_reference' entity field type. 3 15
EntityReferenceItem class Drupal\Core\Field\Plugin\Field\FieldType core/lib/Drupal/Core/Field/Plugin/Field/FieldType/EntityReferenceItem.php Defines the 'entity_reference' entity field type. 3 15
EntityReferenceItemBase abstract class Drupal\Core\Field\Plugin\Field\FieldType core/lib/Drupal/Core/Field/Plugin/Field/FieldType/EntityReferenceItemBase.php Base class for field items referencing other entities. 1

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