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
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core/
core.api.php, line 1518
| Name | Deprecated | Object type | Namespace | File name | Summary | Direct uses | Use statements | Strings |
|---|---|---|---|---|---|---|---|---|
| EmailActionTest | class | Drupal\KernelTests\Core\Action | core/ |
Tests for the EmailAction plugin. | ||||
| EmailConstraint | class | Drupal\Core\Validation\Plugin\Validation\Constraint | core/ |
Count constraint. | 1 | |||
| EmailDefaultWidget | class | Drupal\Core\Field\Plugin\Field\FieldWidget | core/ |
Plugin implementation of the 'email_default' widget. | ||||
| EmailFieldTest | class | Drupal\Tests\field\Functional\Email | core/ |
Tests email field functionality. | ||||
| EmailItem | class | Drupal\Core\Field\Plugin\Field\FieldType | core/ |
Defines the 'email' field type. | 1 | |||
| EmailItemTest | class | Drupal\Tests\field\Kernel\Email | core/ |
Tests the new entity API for the email field type. | ||||
| EmailTest | class | Drupal\Tests\system\Functional\Form | core/ |
Tests the form API email element. | ||||
| EmailValidator | class | Drupal\Component\Utility | core/ |
Validates email addresses. | 1 | 2 | ||
| EmailValidator | final class | Drupal\Core\Validation\Plugin\Validation\Constraint | core/ |
Email constraint. | ||||
| EmailValidatorInterface | interface | Drupal\Component\Utility | core/ |
Validates email addresses. | 1 | 3 | ||
| EmailValidatorTest | class | Drupal\Tests\Component\Utility | core/ |
Tests the EmailValidator utility class. | ||||
| Embed | class | Drupal\views\Plugin\views\display | core/ |
The plugin that handles an embed display. | ||||
| EmbeddedDataSource | class | Drupal\migrate\Plugin\migrate\source | core/ |
Allows source data to be defined in the configuration of the source plugin. | 1 | 1 | ||
| EmbeddedForm | class | Drupal\field_layout_test\Form | core/ |
Provides the EmbeddedForm class. | 1 | |||
| EmbeddedFormWidgetTest | class | Drupal\Tests\media_library\FunctionalJavascript | core/ |
Tests media widget nested inside another widget. | ||||
| EmphasisTest | class | Drupal\Tests\ckeditor5\FunctionalJavascript | core/ |
Tests emphasis in CKEditor 5. | ||||
| EmptyAccessPolicy | class | Drupal\Tests\Core\Session | core/ |
|||||
| EmptyBlockForm | class | Drupal\block_test\PluginForm | core/ |
Provides a form for a block that is empty. | 2 | |||
| EmptyHelpSection | class | Drupal\help_page_test\Plugin\HelpSection | core/ |
Provides an empty section for the help page, for testing. | ||||
| EmptySource | class | Drupal\migrate\Plugin\migrate\source | core/ |
Source returning a row based on the constants provided. | 1 | 1 | ||
| EmptySource | class | Drupal\migrate_drupal\Plugin\migrate\source | core/ |
Source returning an empty row with Drupal specific config dependencies. | ||||
| EnabledConfigurablePluginsConstraint | class | Drupal\ckeditor5\Plugin\Validation\Constraint | core/ |
The CKEditor 5 plugin settings. | ||||
| EnabledConfigurablePluginsConstraintValidator | class | Drupal\ckeditor5\Plugin\Validation\Constraint | core/ |
Enabled configurable plugin settings validator. | ||||
| EnableLayoutBuilderTrait | trait | Drupal\Tests\layout_builder\Traits | core/ |
Test trait to enable or disable Layout Builder on an entity view display. | 5 | |||
| EndOfTransactionQueriesTest | class | Drupal\KernelTests\Core\Cache | core/ |
Tests delaying of cache tag invalidation queries to the end of transactions. | ||||
| Endpoint | class | Drupal\media\OEmbed | core/ |
Value object for oEmbed provider endpoints. | 1 | |||
| EndpointTest | class | Drupal\Tests\media\Unit | core/ |
@coversDefaultClass \Drupal\media\OEmbed\Endpoint[[api-linebreak]] | ||||
| EnforcedFormResponseSubscriber | class | Drupal\Core\EventSubscriber | core/ |
Handle the EnforcedResponseException and deliver an EnforcedResponse. | 2 | |||
| EnforcedResponse | class | Drupal\Core\Form | core/ |
A wrapper containing a response which is to be enforced upon delivery. | 1 | |||
| EnforcedResponseException | class | Drupal\Core\Form | core/ |
Custom exception to break out of the main request and enforce a response. | 6 | |||
| EngineNyanCatTest | class | Drupal\Tests\system\Functional\Theme | core/ |
Tests the multi theme engine support. | ||||
| EngineTwigTest | class | Drupal\Tests\system\Functional\Theme | core/ |
Tests Twig-specific theme functionality. | ||||
| EnhancerInterface | interface | Drupal\Core\Routing | core/ |
A route enhance service to determine route enhance rules. | 8 | 9 | ||
| EnterProfileNode | class | Drupal\sdc_other_node_visitor\Twig\Profiler | core/ |
Represents a profile enter node. | 1 | |||
| Entity | class | Drupal\views\Plugin\views\area | core/ |
Provides an area handler which renders an entity in a certain view mode. | 1 | |||
| Entity | abstract class | Drupal\migrate\Plugin\migrate\destination | core/ |
Provides a generic destination to import entities. | 2 | |||
| Entity | class | Drupal\Tests\Component\Annotation\Doctrine\Ticket | core/ |
|||||
| Entity | class | core/ |
This class is a near-copy of tests/Doctrine/Tests/Common/Annotations/Ticket/DCOM58Entity.php, which is part of the Doctrine project: <http://www.doctrine-project.org>. It was copied from version 1.2.7. | |||||
| Entity | class | Drupal\views\Plugin\views\argument_validator | core/ |
Defines an argument validator plugin for each entity type. | 2 | 3 | ||
| EntityAccess | class | Drupal\workspaces | core/ |
Service wrapper for hooks relating to entity access control. | 1 | |||
| EntityAccessCheck | class | Drupal\Core\Entity | core/ |
Provides a generic access checker for entities. | 1 | 2 | ||
| EntityAccessChecker | class | Drupal\jsonapi\Access | core/ |
Checks access to entities. | 2 | 2 | ||
| EntityAccessCheckTest | class | Drupal\Tests\Core\Entity | core/ |
Unit test of entity access checking system. | ||||
| EntityAccessControlHandler | class | Drupal\Core\Entity | core/ |
Defines a default implementation for entity access control handler. | 36 | 37 | ||
| EntityAccessControlHandlerInterface | interface | Drupal\Core\Entity | core/ |
Defines an interface for entity access control handlers. | 2 | 2 | ||
| EntityAccessControlHandlerTest | class | Drupal\KernelTests\Core\Entity | core/ |
Tests the entity access control handler. | ||||
| EntityAccessDeniedHttpException | class | Drupal\jsonapi\Exception | core/ |
Enhances the access denied exception with information about the entity. | 8 | |||
| EntityAccessDeniedHttpExceptionNormalizer | class | Drupal\jsonapi\Normalizer | core/ |
Normalizes an EntityAccessDeniedException. | 2 | |||
| EntityActionBase | abstract class | Drupal\Core\Action\Plugin\Action | core/ |
Base class for entity-based actions. | 4 | |||
| EntityActionDeriverBase | abstract class | Drupal\Core\Action\Plugin\Action\Derivative | core/ |
Provides a base action for each entity type with specific interfaces. | 3 |
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