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
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core/
core.api.php, line 1523
| Name | Deprecated | Object type | Namespace | File name | Summary | Direct uses | Use statements | Strings |
|---|---|---|---|---|---|---|---|---|
| EntityConstraintViolationListInterface | interface | Drupal\Core\Entity | core/ |
Interface for the result of entity validation. | 1 | 10 | ||
| EntityConstraintViolationListTest | class | Drupal\Tests\Core\Entity | core/ |
@coversDefaultClass \Drupal\Core\Entity\EntityConstraintViolationList @group entity | ||||
| EntityContentBase | class | Drupal\migrate\Plugin\migrate\destination | core/ |
Provides destination class for all content entities lacking a specific class. | 7 | 8 | ||
| EntityContentBaseTest | class | Drupal\Tests\migrate\Unit\Plugin\migrate\destination | core/ |
Tests base entity migration destination functionality. | ||||
| EntityContentBaseTest | class | Drupal\Tests\migrate_drupal\Kernel\d6 | core/ |
@group migrate_drupal | ||||
| EntityContentComplete | class | Drupal\migrate\Plugin\migrate\destination | core/ |
Provides a destination for migrating the entire entity revision table. | 2 | |||
| EntityContext | class | Drupal\Core\Plugin\Context | core/ |
Class to provide a specific entity context. | 18 | |||
| EntityContextDefinition | class | Drupal\Core\Plugin\Context | core/ |
Defines a class to provide entity context definitions. | 16 | |||
| EntityContextDefinitionIsSatisfiedTest | class | Drupal\Tests\Core\Plugin\Context | core/ |
@coversDefaultClass \Drupal\Core\Plugin\Context\EntityContextDefinition @group Plugin | ||||
| EntityContextTypedDataTest | class | Drupal\KernelTests\Core\Plugin | core/ |
Tests the interaction between entity context and typed data. | ||||
| EntityController | class | Drupal\Core\Entity\Controller | core/ |
Provides the add-page and title callbacks for entities. | 1 | |||
| EntityConverter | class | Drupal\Core\ParamConverter | core/ |
Parameter converter for upcasting entity IDs to full objects. | 2 | 2 | 2 | |
| EntityConverterLatestRevisionTest | class | Drupal\KernelTests\Core\ParamConverter | core/ |
Tests the entity converter when the "load_latest_revision" flag is set. | ||||
| EntityConverterTest | class | Drupal\KernelTests\Core\ParamConverter | core/ |
Tests the entity param converter. | ||||
| EntityConverterTest | class | Drupal\Tests\Core\ParamConverter | core/ |
@coversDefaultClass \Drupal\Core\ParamConverter\EntityConverter @group ParamConverter @group Entity | ||||
| EntityCreateAccessCheck | class | Drupal\Core\Entity | core/ |
Defines an access checker for entity creation. | 1 | 2 | ||
| EntityCreateAccessCheckTest | class | Drupal\Tests\Core\Entity | core/ |
@coversDefaultClass \Drupal\Core\Entity\EntityCreateAccessCheck | ||||
| EntityCreateAnyAccessCheck | class | Drupal\Core\Entity | core/ |
Defines an access checker for creating an entity of any bundle. | 2 | |||
| EntityCrudHookTest | class | Drupal\KernelTests\Core\Entity | core/ |
Tests entity CRUD via hooks. | ||||
| EntityDataDefinition | class | Drupal\Core\Entity\TypedData | core/ |
A typed data definition class for describing entities. | 5 | |||
| EntityDataDefinitionInterface | interface | Drupal\Core\Entity\TypedData | core/ |
Interface for typed data entity definitions. | 1 | 4 | ||
| EntityDateFormat | class | Drupal\system\Plugin\migrate\destination | core/ |
Plugin annotation @MigrateDestination( id = "entity:date_format" ) | ||||
| EntityDecoupledTranslationRevisionsTest | class | Drupal\KernelTests\Core\Entity | core/ |
Test decoupled translation revisions. | ||||
| EntityDefaultLanguageTest | class | Drupal\Tests\language\Kernel | core/ |
Tests default language code is properly generated for entities. | ||||
| EntityDefinitionTestTrait | trait | Drupal\Tests\system\Functional\Entity\Traits | core/ |
Provides some test methods used to update existing entity definitions. | 9 | |||
| EntityDefinitionUpdateManager | class | Drupal\Core\Entity | core/ |
Manages entity definition updates. | 2 | |||
| EntityDefinitionUpdateManagerInterface | interface | Drupal\Core\Entity | core/ |
Defines an interface for managing entity definition updates. | 1 | 3 | ||
| EntityDefinitionUpdateTest | class | Drupal\KernelTests\Core\Entity | core/ |
Tests EntityDefinitionUpdateManager functionality. | ||||
| EntityDeleteActionDeriver | class | Drupal\Core\Action\Plugin\Action\Derivative | core/ |
Provides an action deriver that finds entity types with delete form. | 1 | |||
| EntityDeleteForm | class | Drupal\Core\Entity | core/ |
Provides a generic base class for an entity deletion form. | 14 | 14 | ||
| EntityDeleteFormTrait | trait | Drupal\Core\Entity | core/ |
Provides a trait for an entity deletion form. | ||||
| EntityDeleteMultipleAccessCheck | class | Drupal\Core\Entity | core/ |
Checks if the current user has delete access to the items of the tempstore. | 2 | |||
| EntityDenormalizerBase | abstract class | Drupal\jsonapi\Normalizer | core/ |
Converts the Drupal entity object to a JSON:API array structure. | 2 | |||
| EntityDeriver | class | Drupal\Core\Entity\Plugin\DataType\Deriver | core/ |
Provides data type plugins for each existing entity type and bundle. | ||||
| EntityDeriver | class | Drupal\rest\Plugin\Deriver | core/ |
Provides a resource plugin definition for every entity type. | ||||
| EntityDeriverTest | class | Drupal\KernelTests\Core\Entity | core/ |
Tests EntityDeriver functionality. | ||||
| EntityDescriptionInterface | interface | Drupal\Core\Entity | core/ |
Defines the interface for entities that have a description. | 3 | 4 | ||
| EntityDisplayBase | abstract class | Drupal\Core\Entity | core/ |
Provides a common base class for entity view and form displays. | 2 | 3 | ||
| EntityDisplayBaseTest | class | Drupal\Tests\Core\Config\Entity | core/ |
@coversDefaultClass \Drupal\Core\Entity\EntityDisplayBase | ||||
| EntityDisplayBaseTest | class | Drupal\KernelTests\Core\Entity | core/ |
@coversDefaultClass \Drupal\Core\Entity\EntityDisplayBase | ||||
| EntityDisplayFormBase | abstract class | Drupal\field_ui\Form | core/ |
Base class for EntityDisplay edit forms. | 2 | |||
| EntityDisplayFormBaseTest | class | Drupal\KernelTests\Core\Entity | core/ |
@coversDefaultClass \Drupal\field_ui\Form\EntityDisplayFormBase | ||||
| EntityDisplayInterface | interface | Drupal\Core\Entity\Display | core/ |
Provides a common interface for entity displays. | 5 | 8 | ||
| EntityDisplayModeAddForm | class | Drupal\field_ui\Form | core/ |
Provides the add form for entity display modes. | 1 | |||
| EntityDisplayModeBase | abstract class | Drupal\Core\Entity | core/ |
Base class for config entity types with settings for form and view modes. | 2 | 2 | ||
| EntityDisplayModeBaseUnitTest | class | Drupal\Tests\Core\Config\Entity | core/ |
@coversDefaultClass \Drupal\Core\Entity\EntityDisplayModeBase @group Config | ||||
| EntityDisplayModeController | class | Drupal\field_ui\Controller | core/ |
Provides methods for entity display mode routes. | ||||
| EntityDisplayModeDeleteForm | class | Drupal\field_ui\Form | core/ |
Provides the delete form for entity display modes. | ||||
| EntityDisplayModeEditForm | class | Drupal\field_ui\Form | core/ |
Provides the edit form for entity display modes. | ||||
| EntityDisplayModeFormBase | abstract class | Drupal\field_ui\Form | core/ |
Provides the generic base class for entity display mode forms. | 2 |
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