Classes, traits, and interfaces - 9.5.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 1523
| Name | Deprecated | Object type | Namespace | File name | Summary | Direct uses | Use statements | Strings |
|---|---|---|---|---|---|---|---|---|
| JsonApiUpdatePathTest | class | Drupal\Tests\jsonapi\Functional\Update | core/ |
Tests adding retry-after header settings. | ||||
| JsOnceTestController | class | Drupal\js_once_test\Controller | core/ |
Controller for testing the @drupal/once library integration. | ||||
| JsonEncoder | class | Drupal\hal\Encoder | core/ |
Encodes HAL data in JSON. | 1 | 2 | ||
| JsonEncoder | class | Drupal\jsonapi\Encoder | core/ |
Encodes JSON:API data. | 2 | |||
| JsonEncoder | class | Drupal\serialization\Encoder | core/ |
Adds 'ajax' to the supported content types of the JSON encoder. | 2 | 5 | 4 | |
| JsonEncoderTest | class | Drupal\Tests\serialization\Unit\Encoder | core/ |
@coversDefaultClass \Drupal\serialization\Encoder\JsonEncoder[[api-linebreak]] @group serialization | ||||
| JsonRenderer | class | Drupal\common_test\Render\MainContent | core/ |
Default main content renderer for JSON requests. | 2 | |||
| JsonTest | class | Drupal\Tests\Component\Serialization | core/ |
@coversDefaultClass \Drupal\Component\Serialization\Json[[api-linebreak]] @group Serialization | ||||
| JsOptimizer | class | Drupal\Core\Asset | core/ |
Optimizes a JavaScript asset. | 1 | 2 | ||
| JsOptimizerUnitTest | class | Drupal\Tests\Core\Asset | core/ |
Tests the JS asset optimizer. | ||||
| JSTranslationTest | class | Drupal\Tests\ckeditor5\FunctionalJavascript | core/ |
Tests for CKEditor 5 plugins using Drupal's translation system. | ||||
| JSWebAssert | class | Drupal\FunctionalJavascriptTests | core/ |
Defines a class with methods for asserting presence of elements during tests. | 1 | 1 | ||
| JSWebAssertTest | class | Drupal\FunctionalJavascriptTests\Tests | core/ |
Tests for the JSWebAssert class. | ||||
| JsWebAssertTestForm | class | Drupal\js_webassert_test\Form | core/ |
Test form for JSWebAssert WebDriverTestBase. | 1 | |||
| JUnitConverter | class | Drupal\Core\Test | core/ |
Converts JUnit XML to Drupal's {simpletest} schema. | 1 | |||
| JUnitConverterTest | class | Drupal\Tests\Core\Test | core/ |
Tests Drupal\Core\Test\JUnitConverter. | ||||
| Kale | class | Drupal\plugin_test\Plugin\plugin_test\fruit | core/ |
Plugin annotation @Plugin( id = "kale", label = "Kale", color = "green" ) | ||||
| KernelDestructionSubscriber | class | Drupal\Core\EventSubscriber | core/ |
Destructs services that are initiated and tagged with "needs_destruction". | 2 | |||
| KernelEvent | class | Drupal\Core\Http | core/ |
Symfony 6 bridge. | ||||
| KernelMissingDependentModuleMethodTest | class | Drupal\KernelTests | core/ |
A fixture test class with requires annotation. | ||||
| KernelMissingDependentModuleTest | class | Drupal\KernelTests | core/ |
A fixture test class with requires annotation. | ||||
| KernelPreHandle | class | Drupal\Core\StackMiddleware | core/ |
Prepares the environment after page caching ran. | 2 | |||
| KernelTestBase | abstract class | Drupal\KernelTests | core/ |
Base class for functional integration tests. | 573 | 575 | ||
| KernelTestBaseDatabaseDriverModuleTest | class | Drupal\KernelTests | core/ |
@coversDefaultClass \Drupal\KernelTests\KernelTestBase[[api-linebreak]] | ||||
| KernelTestBaseShutdownTest | class | Drupal\KernelTests | core/ |
@coversDefaultClass \Drupal\KernelTests\KernelTestBase[[api-linebreak]] | ||||
| KernelTestBaseTest | class | Drupal\KernelTests | core/ |
@coversDefaultClass \Drupal\KernelTests\KernelTestBase[[api-linebreak]] | ||||
| KernelTestSuite | class | Drupal\Tests\TestSuites | core/ |
Discovers tests for the kernel test suite. | ||||
| KeyValueContentEntityStorage | class | Drupal\Core\Entity\KeyValueStore | core/ |
Provides a key value backend for content entities. | ||||
| KeyValueContentEntityStorageTest | class | Drupal\KernelTests\Core\KeyValueStore | core/ |
Tests KeyValueEntityStorage for content entities. | ||||
| KeyValueDatabaseExpirableFactory | class | Drupal\Core\KeyValueStore | core/ |
Defines the key/value store factory for the database backend. | 1 | 2 | ||
| KeyValueDatabaseFactory | class | Drupal\Core\KeyValueStore | core/ |
Defines the key/value store factory for the database backend. | 1 | 2 | ||
| KeyValueEntityStorage | class | Drupal\Core\Entity\KeyValueStore | core/ |
Provides a key value backend for entities. | 1 | 1 | ||
| KeyValueEntityStorageTest | class | Drupal\Tests\Core\Entity\KeyValueStore | core/ |
@coversDefaultClass \Drupal\Core\Entity\KeyValueStore\KeyValueEntityStorage[[api-linebreak]] @group Entity | ||||
| KeyValueExpirableFactory | class | Drupal\Core\KeyValueStore | core/ |
Defines the key/value store factory. | 1 | 2 | ||
| KeyValueExpirableFactoryInterface | interface | Drupal\Core\KeyValueStore | core/ |
Defines the expirable key/value store factory interface. | 3 | 7 | ||
| KeyValueFactory | class | Drupal\Core\KeyValueStore | core/ |
Defines the key/value store factory. | 1 | 3 | 2 | |
| KeyValueFactoryInterface | interface | Drupal\Core\KeyValueStore | core/ |
Defines the key/value store factory interface. | 3 | 18 | ||
| KeyValueMemoryFactory | class | Drupal\Core\KeyValueStore | core/ |
Defines the key/value store factory for the memory backend. | 7 | |||
| KeyValueNullExpirableFactory | class | Drupal\Core\KeyValueStore | core/ |
Defines the key/value store factory for the null backend. | ||||
| KeyValueStoreExpirableInterface | interface | Drupal\Core\KeyValueStore | core/ |
Defines the interface for expiring data in a key/value store. | 2 | 7 | ||
| KeyValueStoreInterface | interface | Drupal\Core\KeyValueStore | core/ |
Defines the interface for key/value store implementations. | 2 | 9 | ||
| KillSwitch | class | Drupal\Core\PageCache\ResponsePolicy | core/ |
A policy evaluating to static::DENY when the kill switch was triggered. | 1 | 2 | ||
| Label | class | Drupal\Core\Render\Element | core/ |
Provides a render element for displaying the label for a form element. | ||||
| LabelOnlyResourceObject | final class | Drupal\jsonapi\JsonApiResource | core/ |
Value object decorating a ResourceObject; only its label is available. | 3 | |||
| Language | class | Drupal\language\Plugin\migrate\source | core/ |
Drupal 6/7 language source from database. | ||||
| Language | class | Drupal\language\Plugin\Condition | core/ |
Provides a 'Language' condition. | ||||
| Language | class | Drupal\ckeditor5\Plugin\CKEditor5Plugin | core/ |
CKEditor 5 Language plugin. | 1 | 1 | ||
| Language | class | Drupal\Core\TypedData\Plugin\DataType | core/ |
Defines the 'language' data type. | ||||
| Language | class | Drupal\Core\Language | core/ |
An object containing the information for an interface language. | 55 | |||
| Language | class | Drupal\ckeditor\Plugin\CKEditorPlugin | core/ |
Defines the "language" plugin. | 1 |
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