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 |
|---|---|---|---|---|---|---|---|---|
| LazyRouteCollectionTest | class | Drupal\Tests\Core\Routing | core/ |
@coversDefaultClass \Drupal\Core\Routing\LazyRouteCollection[[api-linebreak]] | ||||
| LazyRouteProviderInstallTest | class | Drupal\FunctionalTests\Routing | core/ |
@group routing | ||||
| LeaveProfileNode | class | Drupal\sdc_other_node_visitor\Twig\Profiler | core/ |
Represents a profile leave node. | 1 | |||
| LegacyAssetTest | class | Drupal\KernelTests\Core\Asset | core/ |
Tests deprecated asset functions. | ||||
| LegacyBootstrapTest | class | Drupal\KernelTests\Core\Bootstrap | core/ |
Tests legacy bootstrap functions. | ||||
| LegacyCommonTest | class | Drupal\KernelTests\Core\Common | core/ |
Tests deprecated legacy functions in common.inc. | ||||
| LegacyExtensionTest | class | Drupal\Tests\Core\Extension | core/ |
@coversDefaultClass \Drupal\Core\Extension\Extension[[api-linebreak]] @group Extension @group legacy | ||||
| LegacyFileModuleTest | class | Drupal\Tests\file\Kernel | core/ |
Tests file module deprecations. | ||||
| LegacyFileSystemTest | class | Drupal\KernelTests\Core\File | core/ |
Tests the legacy file system functions. | ||||
| LegacyFileThemeTest | class | Drupal\Tests\file\Kernel | core/ |
Tests legacy deprecated functions in file.module. | ||||
| LegacyFileUploadHandlerTest | class | Drupal\Tests\file\Kernel\Upload | core/ |
Provides tests for legacy file upload handler code. | ||||
| LegacyHook | class | Drupal\Core\Hook\Attribute | core/ |
This class will not have an effect until Drupal 11.1.0. | ||||
| LegacyMatcherDumperTest | class | Drupal\KernelTests\Core\Routing | core/ |
Tests deprecations in MatcherDumper. | ||||
| LegacyPasswordHashingTest | class | Drupal\Tests\phpass\Unit | core/ |
Unit tests for password hashing API. | ||||
| LegacySettingsRewriteTest | class | Drupal\KernelTests\Core\Site | core/ |
Tests the drupal_rewrite_settings() function. | ||||
| LegacyStateTest | class | Drupal\KernelTests\Core\State | core/ |
Tests the legacy state deprecations. | ||||
| LegacyUserTest | class | Drupal\Tests\user\Kernel | core/ |
Tests deprecated user module functions. | ||||
| LegacyValidateTest | class | Drupal\Tests\file\Kernel | core/ |
Tests the file_validate() function. | ||||
| LegacyValidatorTest | class | Drupal\Tests\file\Kernel | core/ |
Tests the functions used to validate uploaded files. | ||||
| LengthConstraint | class | Drupal\Core\Validation\Plugin\Validation\Constraint | core/ |
Length constraint. | ||||
| LibrariesBCLayerTest | final class | Drupal\Tests\sdc\Functional | core/ |
Tests the correct rendering of components. | ||||
| 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/ |
@coversDefaultClass \Drupal\Core\Asset\LibrariesDirectoryFileFinder[[api-linebreak]] @group Asset | ||||
| 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. | 1 | 2 | ||
| LibraryDependencyResolverInterface | interface | Drupal\Core\Asset | core/ |
Resolves the dependencies of asset (CSS/JavaScript) libraries. | 1 | 2 | ||
| LibraryDependencyResolverTest | class | Drupal\Tests\Core\Asset | core/ |
@coversDefaultClass \Drupal\Core\Asset\LibraryDependencyResolver[[api-linebreak]] @group Asset | ||||
| LibraryDiscovery | class | Drupal\Core\Asset | core/ |
Discovers available asset libraries in Drupal. | 1 | 2 | ||
| LibraryDiscoveryCollector | class | Drupal\Core\Asset | core/ |
A CacheCollector implementation for building library extension info. | 1 | 2 | ||
| LibraryDiscoveryCollectorTest | class | Drupal\Tests\Core\Asset | core/ |
@coversDefaultClass \Drupal\Core\Asset\LibraryDiscoveryCollector[[api-linebreak]] @group Asset | ||||
| 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[[api-linebreak]] @group Asset | ||||
| LibraryDiscoveryTest | class | Drupal\Tests\Core\Asset | core/ |
@coversDefaultClass \Drupal\Core\Asset\LibraryDiscovery[[api-linebreak]] @group Asset | ||||
| LinearHistory | final class | Drupal\Core\Config\Checkpoint | core/ |
A chronological list of Checkpoint objects. | 2 | 2 | ||
| LinearHistoryTest | class | Drupal\Tests\Core\Config\Checkpoint | core/ |
@coversDefaultClass \Drupal\Core\Config\Checkpoint\LinearHistory[[api-linebreak]] @group Config | ||||
| Link | class | Drupal\Core | core/ |
Defines an object that holds information about a link. | 98 | |||
| Link | class | Drupal\Core\Render\Element | core/ |
Provides a link render element. | 2 | 3 | ||
| 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/ |
@coversDefaultClass \Drupal\comment\Plugin\views\field\LinkApprove[[api-linebreak]] @group comment | ||||
| 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/ |
@coversDefaultClass \Drupal\views\Plugin\views\field\EntityLink[[api-linebreak]] @group Views | ||||
| 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/ |
@coversDefaultClass \Drupal\jsonapi\Normalizer\LinkCollectionNormalizer[[api-linebreak]] @group jsonapi |
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