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 |
|---|---|---|---|---|---|---|---|---|
| LibraryDiscoveryIntegrationTest | class | Drupal\KernelTests\Core\Asset | core/ |
Tests the library discovery and library discovery parser. | ||||
| LibraryDiscoveryInterface | interface | Drupal\Core\Asset | core/ |
Discovers information for asset (CSS/JavaScript) libraries. | 1 | |||
| LibraryDiscoveryParser | class | Drupal\Core\Asset | core/ |
Parses library files to get extension data. | 1 | 1 | 2 | |
| LibraryDiscoveryParserTest | class | Drupal\Tests\Core\Asset | core/ |
@coversDefaultClass \Drupal\Core\Asset\LibraryDiscoveryParser @group Asset | ||||
| LibraryDiscoveryTest | class | Drupal\Tests\Core\Asset | core/ |
@coversDefaultClass \Drupal\Core\Asset\LibraryDiscovery @group Asset | ||||
| LimitOperatorsDefaultsTest | class | Drupal\Tests\views\Functional\Update | core/ |
Tests the upgrade path for limit operators feature. | ||||
| Link | final class | Drupal\jsonapi\JsonApiResource | core/ |
Represents an RFC8288 based link. | 6 | |||
| Link | class | Drupal\Core | core/ |
Defines an object that holds information about a link. | 93 | |||
| Link | class | Drupal\Core\Render\Element | core/ |
Provides a link render element. | 2 | 4 | ||
| LinkAccessConstraint | class | Drupal\link\Plugin\Validation\Constraint | core/ |
Defines an access validation constraint for links. | 1 | |||
| LinkAccessConstraintValidator | class | Drupal\link\Plugin\Validation\Constraint | core/ |
Validates the LinkAccess constraint. | 1 | |||
| LinkAccessConstraintValidatorTest | class | Drupal\Tests\link\Unit\Plugin\Validation\Constraint | core/ |
Tests the LinkAccessConstraintValidator validator. | ||||
| LinkApprove | class | Drupal\comment\Plugin\views\field | core/ |
Provides a comment approve link. | ||||
| LinkBase | abstract class | Drupal\views\Plugin\views\field | core/ |
Field handler to present a link to an entity. | 5 | 4 | ||
| LinkCckDeprecationTest | class | Drupal\Tests\link\Kernel\Plugin\migrate\cckfield\d7 | core/ |
@group link @group legacy | ||||
| LinkCckTest | class | Drupal\Tests\link\Unit\Plugin\migrate\cckfield | core/ |
@coversDefaultClass \Drupal\link\Plugin\migrate\cckfield\LinkField @group link @group legacy | ||||
| LinkCckTest | class | Drupal\Tests\link\Kernel\Plugin\migrate\cckfield\d7 | core/ |
@coversDefaultClass \Drupal\link\Plugin\migrate\cckfield\d7\LinkField @group link @group legacy | 1 | |||
| LinkCollection | final class | Drupal\jsonapi\JsonApiResource | core/ |
Contains a set of JSON:API Link objects. | 7 | |||
| LinkCollectionNormalizer | class | Drupal\jsonapi\Normalizer | core/ |
Normalizes a LinkCollection object. | 2 | |||
| LinkExternalProtocolsConstraint | class | Drupal\link\Plugin\Validation\Constraint | core/ |
Defines a protocol validation constraint for links to external URLs. | 1 | |||
| LinkExternalProtocolsConstraintValidator | class | Drupal\link\Plugin\Validation\Constraint | core/ |
Validates the LinkExternalProtocols constraint. | 1 | |||
| LinkExternalProtocolsConstraintValidatorTest | class | Drupal\Tests\link\Unit\Plugin\Validation\Constraint | core/ |
@coversDefaultClass \Drupal\link\Plugin\Validation\Constraint\LinkExternalProtocolsConstraintValidator @group Link | ||||
| LinkField | class | Drupal\link\Plugin\migrate\field\d6 | core/ |
Plugin annotation @MigrateField( id = "link", core = {6}, type_map = { "link" = "link", }, source_module = "link", destination_module = "link" ) | 1 | 2 | ||
| LinkField | class | Drupal\link\Plugin\migrate\field\d7 | core/ |
@MigrateField( id = "link_field", core = {7}, type_map = { "link_field" = "link" }, source_module = "link", destination_module = "link" ) | 1 | |||
| LinkField | in drupal:8.3.0 and is removed from drupal:9.0.0. Use \Drupal\link\Plugin\migrate\field\d6\LinkField instead. |
class | Drupal\link\Plugin\migrate\cckfield | core/ |
Plugin annotation @MigrateCckField( id = "link", core = {6}, type_map = { "link_field" = "link" }, source_module = "link", destination_module = "link" ) | 1 | 2 | |
| LinkField | in drupal:8.3.0 and is removed from drupal:9.0.0. Use \Drupal\link\Plugin\migrate\field\d7\LinkField instead. |
class | Drupal\link\Plugin\migrate\cckfield\d7 | core/ |
@MigrateCckField( id = "link_field", core = {7}, type_map = { "link_field" = "link" }, source_module = "link", destination_module = "link" ) | 1 | ||
| LinkFieldLegacyTest | class | Drupal\Tests\link\Unit\Plugin\migrate\field\d6 | core/ |
@group legacy @group link | ||||
| LinkFieldLegacyTest | class | Drupal\Tests\link\Kernel\Plugin\migrate\field\d7 | core/ |
@group legacy @group link | ||||
| LinkFieldRdfaTest | class | Drupal\Tests\rdf\Kernel\Field | core/ |
Tests the placement of RDFa in link field formatters. | ||||
| LinkFieldTest | class | Drupal\Tests\link\Unit\Plugin\migrate\field\d6 | core/ |
@coversDefaultClass \Drupal\link\Plugin\migrate\field\d6\LinkField @group link | 1 | |||
| LinkFieldTest | class | Drupal\Tests\link\Kernel\Plugin\migrate\field\d7 | core/ |
@coversDefaultClass \Drupal\link\Plugin\migrate\field\d7\LinkField @group link | 1 | |||
| LinkFieldTest | class | Drupal\Tests\link\Functional | core/ |
Tests link field widgets and formatters. | ||||
| LinkFieldUITest | class | Drupal\Tests\link\Functional | core/ |
Tests link field UI functionality. | ||||
| LinkFormatter | class | Drupal\link\Plugin\Field\FieldFormatter | core/ |
Plugin implementation of the 'link' formatter. | 1 | |||
| LinkGenerationTest | class | Drupal\KernelTests\Core\Url | core/ |
Tests link generation with hooks. | ||||
| LinkGenerator | class | Drupal\Core\Utility | core/ |
Provides a class which generates a link with route names and parameters. | 2 | 2 | ||
| LinkGeneratorInterface | interface | Drupal\Core\Utility | core/ |
Defines an interface for generating links from route names and parameters. | 1 | 6 | ||
| LinkGeneratorTest | class | Drupal\Tests\Core\Utility | core/ |
@coversDefaultClass \Drupal\Core\Utility\LinkGenerator @group Utility | ||||
| LinkGeneratorTrait | in drupal:8.0.0 and is removed from drupal:9.0.0. Use \Drupal\Core\Link instead. |
trait | Drupal\Core\Routing | core/ |
Wrapper methods for the Link Generator. | 2 | ||
| LinkItem | class | Drupal\link\Plugin\Field\FieldType | core/ |
Plugin implementation of the 'link' field type. | ||||
| LinkItemInterface | interface | Drupal\link | core/ |
Defines an interface for the link field item. | 1 | 13 | ||
| LinkItemSerializationTest | class | Drupal\Tests\link\Kernel | core/ |
Tests link field serialization. | ||||
| LinkItemTest | class | Drupal\Tests\link\Kernel | core/ |
Tests the new entity API for the link field type. | ||||
| LinkManager | in drupal:8.3.0 and is removed from drupal:9.0.0. This has been moved to the hal module. This exists solely for BC. |
class | Drupal\rest\LinkManager | core/ |
1 | |||
| LinkManager | class | Drupal\hal\LinkManager | core/ |
1 | 1 | 2 | ||
| LinkManagerBase | abstract class | Drupal\hal\LinkManager | core/ |
Defines an abstract base-class for HAL link manager objects. | 3 | 1 | ||
| LinkManagerBase | in drupal:8.3.0 and is removed from drupal:9.0.0. This has been moved to the hal module. This exists solely for BC. |
abstract class | Drupal\rest\LinkManager | core/ |
||||
| LinkManagerInterface | in drupal:8.3.0 and is removed from drupal:9.0.0. This has been moved to the hal module. This exists solely for BC. |
interface | Drupal\rest\LinkManager | core/ |
1 | |||
| LinkManagerInterface | interface | Drupal\hal\LinkManager | core/ |
Interface implemented by link managers. | 2 | 4 | ||
| LinkNotExistingInternalConstraint | class | Drupal\link\Plugin\Validation\Constraint | core/ |
Defines a protocol validation constraint for links to broken internal URLs. | 1 |
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