Classes, traits, and interfaces - main - 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 1529
| Name | Deprecated | Object type | Namespace | File name | Summary | Direct uses | Use statements | Strings |
|---|---|---|---|---|---|---|---|---|
| LegacySessionTestController | class | Drupal\session_test\Controller | core/ |
Controller providing page callbacks for legacy session tests. | ||||
| LegacyStatusReportTest | class | Drupal\KernelTests\Core\Render\Element | core/ |
Tests the status report element legacy methods. | ||||
| LegacyVersionUtility | final class | Drupal\package_manager | core/ |
A utility class for dealing with legacy version numbers. | 1 | |||
| LengthConstraint | class | Drupal\Core\Validation\Plugin\Validation\Constraint | core/ |
Length constraint. | ||||
| LenientConfigSchemaChecker | class | Drupal\Core\Config\Development | core/ |
Listens to the config save event and warns about invalid schema. | 4 | |||
| LibrariesDirectoryFileFinder | class | Drupal\Core\Asset | core/ |
Finds files that are located in the supported 'libraries' directories. | 2 | 2 | ||
| LibrariesDirectoryFileFinderTest | class | Drupal\Tests\Core\Asset | core/ |
Tests Drupal\Core\Asset\LibrariesDirectoryFileFinder. | ||||
| LibraryDefinitionMissingLicenseException | class | Drupal\Core\Asset\Exception | core/ |
Defines a custom exception if a library has a remote but no license. | 2 | |||
| LibraryDependencyResolver | class | Drupal\Core\Asset | core/ |
Resolves the dependencies of asset (CSS/JavaScript) libraries. | 3 | 2 | ||
| LibraryDependencyResolverInterface | interface | Drupal\Core\Asset | core/ |
Resolves the dependencies of asset (CSS/JavaScript) libraries. | 1 | 3 | ||
| LibraryDependencyResolverTest | class | Drupal\Tests\Core\Asset | core/ |
Tests Drupal\Core\Asset\LibraryDependencyResolver. | ||||
| LibraryDiscovery | in drupal:11.1.0 and is removed from drupal:12.0.0. Use \Drupal\Core\Asset\LibraryDiscoveryCollector instead. |
class | Drupal\Core\Asset | core/ |
Discovers available asset libraries in Drupal. | |||
| LibraryDiscoveryCollector | class | Drupal\Core\Asset | core/ |
A CacheCollector implementation for building library extension info. | 4 | 2 | ||
| LibraryDiscoveryCollectorTest | class | Drupal\Tests\Core\Asset | core/ |
Tests Drupal\Core\Asset\LibraryDiscoveryCollector. | ||||
| 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. | 2 | 2 | ||
| LibraryDiscoveryParser | class | Drupal\Core\Asset | core/ |
Parses library files to get extension data. | 1 | 2 | 2 | |
| LibraryDiscoveryParserTest | class | Drupal\Tests\Core\Asset | core/ |
Tests Drupal\Core\Asset\LibraryDiscoveryParser. | ||||
| LibraryDiscoveryTest | class | Drupal\Tests\Core\Asset | core/ |
Tests Drupal\Core\Asset\LibraryDiscoveryCollector. | ||||
| LinearHistory | final class | Drupal\Core\Config\Checkpoint | core/ |
A chronological list of Checkpoint objects. | 2 | 2 | ||
| LinearHistoryTest | class | Drupal\Tests\Core\Config\Checkpoint | core/ |
Tests Drupal\Core\Config\Checkpoint\LinearHistory. | ||||
| Link | class | Drupal\Core\Render\Element | core/ |
Provides a link render element. | 2 | 3 | ||
| Link | class | Drupal\Core | core/ |
Defines an object that holds information about a link. | 85 | |||
| Link | final class | Drupal\jsonapi\JsonApiResource | core/ |
Represents an RFC8288 based link. | 7 | |||
| 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. | 1 | |||
| LinkApproveTest | class | Drupal\Tests\comment\Unit\Plugin\views\field | core/ |
Tests Drupal\comment\Plugin\views\field\LinkApprove. | ||||
| LinkBase | abstract class | Drupal\views\Plugin\views\field | core/ |
Field handler to present a link to an entity. | 5 | 5 | ||
| LinkBaseTest | class | Drupal\Tests\views\Unit\Plugin\views\field | core/ |
Tests Drupal\views\Plugin\views\field\EntityLink. | ||||
| LinkCollection | final class | Drupal\jsonapi\JsonApiResource | core/ |
Contains a set of JSON:API Link objects. | 9 | |||
| LinkCollectionNormalizer | class | Drupal\jsonapi\Normalizer | core/ |
Normalizes a LinkCollection object. | 1 | 2 | ||
| LinkCollectionNormalizerTest | class | Drupal\Tests\jsonapi\Kernel\Normalizer | core/ |
Tests Drupal\jsonapi\Normalizer\LinkCollectionNormalizer. | ||||
| 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/ |
Tests Drupal\link\Plugin\Validation\Constraint\LinkExternalProtocolsConstraintValidator. | ||||
| LinkField | class | Drupal\link\Plugin\migrate\field\d6 | core/ |
Migrate field plugin for Drupal 6 link fields. | 1 | 2 | ||
| LinkField | class | Drupal\link\Plugin\migrate\field\d7 | core/ |
MigrateField Plugin for Drupal 7 link fields. | 1 | |||
| LinkFieldFormStatesTest | class | Drupal\Tests\link\FunctionalJavascript | core/ |
Tests link field form states functionality. | ||||
| LinkFieldTest | class | Drupal\Tests\link\Unit\Plugin\migrate\field\d6 | core/ |
Tests Drupal\link\Plugin\migrate\field\d6\LinkField. | ||||
| LinkFieldTest | class | Drupal\Tests\link\Kernel\Plugin\migrate\field\d7 | core/ |
Tests Drupal\link\Plugin\migrate\field\d7\LinkField. | ||||
| 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. | ||||
| LinkFieldWidgetTest | class | Drupal\Tests\link\Kernel | core/ |
Tests link field widgets. | ||||
| LinkFormatter | class | Drupal\link\Plugin\Field\FieldFormatter | core/ |
Plugin implementation of the 'link' formatter. | 1 | 1 | ||
| LinkFormatterDisplayTest | class | Drupal\Tests\link\Kernel | core/ |
Tests the default 'link' field formatter. | ||||
| LinkFormatterTest | class | Drupal\Tests\link\Unit | core/ |
Tests the Field Formatter for the link field type. | ||||
| LinkFormatterTest | class | Drupal\Tests\link\Kernel | core/ |
Tests the Field Formatter for the link field type. | ||||
| LinkGenerationTest | class | Drupal\KernelTests\Core\Url | core/ |
Tests link generation with hooks. |
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