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
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core/
core.api.php, line 1511
| Name | Deprecated | Object type | Namespace | File name | Summary | Direct uses | Use statements | Strings |
|---|---|---|---|---|---|---|---|---|
| LinkNotExistingInternalConstraintValidator | class | Drupal\link\Plugin\Validation\Constraint | core/ |
Validates the LinkNotExistingInternal constraint. | 1 | |||
| LinkNotExistingInternalConstraintValidatorTest | class | Drupal\Tests\link\Unit\Plugin\Validation\Constraint | core/ |
@coversDefaultClass \Drupal\link\Plugin\Validation\Constraint\LinkNotExistingInternalConstraintValidator @group Link | ||||
| LinkRelationsTest | class | Drupal\KernelTests\Core\Http | core/ |
Tests link relationships in Drupal. | ||||
| LinkRelationType | class | Drupal\Core\Http | core/ |
Defines a single link relationship type. | 1 | |||
| LinkRelationTypeInterface | interface | Drupal\Core\Http | core/ |
Defines a single link relation type. | 1 | |||
| LinkRelationTypeManager | class | Drupal\Core\Http | core/ |
Provides a default plugin manager for link relation types. | 2 | |||
| LinkReply | class | Drupal\comment\Plugin\views\field | core/ |
Field handler to present a link to reply to a comment. | ||||
| Links | abstract class | Drupal\views\Plugin\views\field | core/ |
A abstract handler which provides a collection of links. | 1 | |||
| LinkSeparateFormatter | class | Drupal\link\Plugin\Field\FieldFormatter | core/ |
Plugin implementation of the 'link_separate' formatter. | ||||
| LinkTest | class | Drupal\Tests\jsonapi\Unit\JsonApiResource | core/ |
@coversDefaultClass \Drupal\jsonapi\JsonApiResource\Link @group jsonapi | ||||
| LinkTypeConstraint | class | Drupal\link\Plugin\Validation\Constraint | core/ |
Validation constraint for links receiving data allowed by its settings. | ||||
| LinkTypeConstraintValidator | class | Drupal\link\Plugin\Validation\Constraint | core/ |
Constraint validator for links receiving data allowed by its settings. | ||||
| LinkUri | class | Drupal\menu_link_content\Plugin\migrate\process | core/ |
Generates an internal URI from the source value. | 2 | 3 | ||
| LinkUri | in drupal:8.2.0 and is removed from drupal:9.0.0. Use \Drupal\menu_link_content\Plugin\migrate\process\LinkUri instead. |
class | Drupal\menu_link_content\Plugin\migrate\process\d6 | core/ |
Processes a link path into an 'internal:' or 'entity:' URI. | |||
| LinkUriTest | class | Drupal\Tests\menu_link_content\Kernel\Plugin\migrate\process | core/ |
Tests \Drupal\menu_link_content\Plugin\migrate\process\LinkUri. | ||||
| LinkViewsTokensTest | class | Drupal\Tests\link\Functional\Views | core/ |
Tests the views integration for link tokens. | ||||
| LinkWidget | class | Drupal\link\Plugin\Field\FieldWidget | core/ |
Plugin implementation of the 'link' widget. | ||||
| ListCacheBinsPass | class | Drupal\Core\Cache | core/ |
Adds cache_bins parameter to the container. | 1 | |||
| ListDataDefinition | class | Drupal\Core\TypedData | core/ |
A typed data definition class for defining lists. | 3 | 5 | ||
| ListDataDefinitionInterface | interface | Drupal\Core\TypedData | core/ |
Interface for data definitions of lists. | 2 | 3 | ||
| ListElement | class | Drupal\config_translation\FormElement | core/ |
Defines the list element for the configuration translation interface. | ||||
| ListField | class | Drupal\options\Plugin\views\filter | core/ |
Filter handler which uses list-fields as options. | ||||
| ListField | class | Drupal\options\Plugin\migrate\field\d7 | core/ |
Plugin annotation @MigrateField( id = "list", type_map = { "list_boolean" = "boolean", "list_integer" = "list_integer", "list_text" = "list_string", "list_float" = "list_float", }, core = {7}, source_module = "list", … | ||||
| ListFloatItem | class | Drupal\options\Plugin\Field\FieldType | core/ |
Plugin implementation of the 'list_float' field type. | ||||
| ListingEmpty | class | Drupal\node\Plugin\views\area | core/ |
Defines an area plugin to display a node/add link. | ||||
| ListingEmpty | class | Drupal\block_content\Plugin\views\area | core/ |
Defines an area plugin to display a block add link. | ||||
| ListIntegerItem | class | Drupal\options\Plugin\Field\FieldType | core/ |
Plugin implementation of the 'list_integer' field type. | 1 | |||
| ListInterface | interface | Drupal\Core\TypedData | core/ |
Interface for a list of typed data. | 2 | 7 | ||
| ListItemBase | abstract class | Drupal\options\Plugin\Field\FieldType | core/ |
Plugin base class inherited by the options field types. | 3 | |||
| ListNormalizer | class | Drupal\serialization\Normalizer | core/ |
Converts list objects to arrays. | 1 | 1 | 2 | |
| ListNormalizerTest | class | Drupal\Tests\serialization\Unit\Normalizer | core/ |
@coversDefaultClass \Drupal\serialization\Normalizer\ListNormalizer @group serialization | ||||
| ListStringItem | class | Drupal\options\Plugin\Field\FieldType | core/ |
Plugin implementation of the 'list_string' field type. | ||||
| Llama | class | Drupal\ckeditor_test\Plugin\CKEditorPlugin | core/ |
Defines the "Llama" plugin, with a CKEditor "llama" feature. | 4 | |||
| LlamaButton | class | Drupal\ckeditor_test\Plugin\CKEditorPlugin | core/ |
Defines a "LlamaButton" plugin, with a toolbar builder-enabled "llama" feature. | ||||
| LlamaContextual | class | Drupal\ckeditor_test\Plugin\CKEditorPlugin | core/ |
Defines a "Llama" plugin, with a contextually enabled "llama" feature. | ||||
| LlamaContextualAndButton | class | Drupal\ckeditor_test\Plugin\CKEditorPlugin | core/ |
Defines a "LlamaContextualAndButton" plugin, with a contextually OR toolbar builder-enabled "llama" feature. | ||||
| LlamaCss | class | Drupal\ckeditor_test\Plugin\CKEditorPlugin | core/ |
Defines a "LlamaCss" plugin, with an associated "llama" CSS. | ||||
| LoadMultipleTest | class | Drupal\Tests\taxonomy\Functional | core/ |
Tests the loading of multiple taxonomy terms at once. | ||||
| LoadTest | class | Drupal\Tests\file\Kernel | core/ |
Tests \Drupal\file\Entity\File::load(). | ||||
| Local | class | Drupal\Core\FileTransfer | core/ |
Defines the local connection class for copying files as the httpd user. | 1 | 3 | ||
| LocalActionDefault | class | Drupal\Core\Menu | core/ |
Provides a default implementation for local action plugins. | 6 | 7 | 2 | |
| LocalActionDefaultTest | class | Drupal\Tests\Core\Menu | core/ |
@coversDefaultClass \Drupal\Core\Menu\LocalActionDefault @group Menu | ||||
| LocalActionInterface | interface | Drupal\Core\Menu | core/ |
Defines an interface for menu local actions. | 1 | |||
| LocalActionManager | class | Drupal\Core\Menu | core/ |
Provides the default local action manager using YML as primary definition. | 1 | 1 | 2 | |
| LocalActionManagerInterface | interface | Drupal\Core\Menu | core/ |
Manages discovery and instantiation of menu local action plugins. | 1 | 2 | ||
| LocalActionManagerTest | class | Drupal\Tests\Core\Menu | core/ |
@coversDefaultClass \Drupal\Core\Menu\LocalActionManager @group Menu | ||||
| LocalActionManagerTest | class | Drupal\KernelTests\Core\Menu | core/ |
Tests the local action manager. | ||||
| LocalActionsAndTasksConvertedIntoBlocksUpdateTest | class | Drupal\Tests\system\Functional\Update | core/ |
Tests the upgrade path for local actions/tasks being converted into blocks. | ||||
| LocalActionsBlock | class | Drupal\Core\Menu\Plugin\Block | core/ |
Provides a block to display the local actions. | ||||
| LocalActionTest | class | Drupal\Tests\system\Functional\Menu | core/ |
Tests local actions derived from router and added/altered via hooks. |
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