Classes, traits, and interfaces - 11.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 1529
| Name | Deprecated | Object type | Namespace | File name | Summary | Direct uses | Use statements | Strings |
|---|---|---|---|---|---|---|---|---|
| BundlePermissionHandlerTraitTest | class | Drupal\KernelTests\Core\Entity | core/ |
Tests Drupal\Core\Entity\BundlePermissionHandlerTrait. | ||||
| BundleTranslationSettingsInterface | interface | Drupal\content_translation | core/ |
Interface providing support for content translation bundle settings. | 1 | 2 | ||
| Button | class | Drupal\Core\Render\Element | core/ |
Provides an action button form element. | 1 | |||
| Bytes | class | Drupal\Component\Utility | core/ |
Provides helper methods for byte conversions. | 12 | 1 | ||
| ByteSizeMarkup | final class | Drupal\Core\StringTranslation | core/ |
A class to generate translatable markup for the given byte count. | 17 | |||
| ByteSizeMarkupTest | class | Drupal\Tests\Core\StringTranslation | core/ |
Tests Drupal\Core\StringTranslation\ByteSizeMarkup. | ||||
| BytesTest | class | Drupal\Tests\Component\Utility | core/ |
Tests bytes size parsing helper methods. | ||||
| Cache | class | Drupal\Core\Cache | core/ |
Helper methods for cache. | 221 | |||
| CacheabilityMetadataConfigOverride | class | Drupal\config_override_integration_test | core/ |
Test implementation of a config override that provides cacheability metadata. | 2 | |||
| CacheabilityMetadataConfigOverrideIntegrationTest | class | Drupal\Tests\config\Functional | core/ |
Tests if configuration overrides correctly affect cacheability metadata. | ||||
| CacheabilityMetadataConfigOverrideTest | class | Drupal\KernelTests\Core\Config | core/ |
Tests if configuration overrides correctly affect cacheability metadata. | ||||
| CacheableAccessDeniedHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable AccessDeniedHttpException. | 1 | 5 | ||
| CacheableAjaxResponse | class | Drupal\Core\Cache | core/ |
A AjaxResponse that contains and can expose cacheability metadata. | 1 | |||
| CacheableBadRequestHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable BadRequestHttpException. | 12 | |||
| CacheableConflictHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable ConflictHttpException. | 1 | |||
| CacheableDependencyInterface | interface | Drupal\Core\Cache | core/ |
Defines an interface for objects which may be used by other cached objects. | 71 | 98 | ||
| CacheableDependencyTrait | trait | Drupal\Core\Cache | core/ |
Trait for \Drupal\Core\Cache\CacheableDependencyInterface. | 23 | |||
| CacheableEmbeddedDataSource | class | Drupal\migrate_cache_counts_test\Plugin\migrate\source | core/ |
A copy of embedded_data which allows caching the count. | ||||
| CacheableExceptionTest | class | Drupal\Tests\Core\Http | core/ |
Tests Cacheable Exception. | ||||
| CacheableGoneHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable GoneHttpException. | 1 | |||
| CacheableHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable HttpException. | 2 | |||
| CacheableJsonResponse | class | Drupal\Core\Cache | core/ |
A JsonResponse that contains and can expose cacheability metadata. | 6 | |||
| CacheableLengthRequiredHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable LengthRequiredHttpException. | 1 | |||
| CacheableMetadata | class | Drupal\Core\Cache | core/ |
Defines a generic class for passing cacheability metadata. | 2 | 202 | ||
| CacheableMetadataCalculationTest | class | Drupal\Tests\views\Kernel | core/ |
Tests that cacheability metadata is only calculated when needed. | ||||
| CacheableMetadataCalculationTest | class | Drupal\views_test_cacheable_metadata_calculation\Plugin\views\access | core/ |
Tests plugin that reports when cacheable metadata is being calculated. | ||||
| CacheableMetadataTest | class | Drupal\Tests\Core\Cache | core/ |
Tests Drupal\Core\Cache\CacheableMetadata. | ||||
| CacheableMethodNotAllowedHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable MethodNotAllowedHttpException. | 2 | |||
| CacheableNormalization | class | Drupal\jsonapi\Normalizer\Value | core/ |
Use to store normalized data and its cacheability. | 2 | 19 | ||
| CacheableNormalizerInterface | interface | Drupal\serialization\Normalizer | core/ |
Defines the interface for normalizers producing cacheable normalizations. | 1 | 3 | ||
| CacheableNotAcceptableHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable NotAcceptableHttpException. | 1 | |||
| CacheableNotFoundHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable NotFoundHttpException. | 3 | |||
| CacheableOmission | final class | Drupal\jsonapi\Normalizer\Value | core/ |
Represents the cacheability associated with the omission of a value. | 3 | |||
| CacheablePreconditionFailedHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable PreconditionFailedHttpException. | 1 | |||
| CacheablePreconditionRequiredHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable PreconditionRequiredHttpException. | 1 | |||
| CacheableRedirectResponse | class | Drupal\Core\Cache | core/ |
A RedirectResponse that contains and can expose cacheability metadata. | 3 | |||
| CacheableResourceResponse | class | Drupal\jsonapi | core/ |
Extends ResourceResponse with cacheability. | 6 | |||
| CacheableResponse | class | Drupal\Core\Cache | core/ |
A response that contains and can expose cacheability metadata. | 1 | 12 | ||
| CacheableResponseInterface | interface | Drupal\Core\Cache | core/ |
Defines an interface for responses that can expose cacheability metadata. | 9 | 25 | ||
| CacheableResponseTrait | trait | Drupal\Core\Cache | core/ |
Provides an implementation of CacheableResponseInterface. | 6 | |||
| CacheableRouteProviderInterface | interface | Drupal\Core\Routing | core/ |
Extends the router provider interface to provide caching support. | 1 | 2 | ||
| CacheableSecuredRedirectResponse | abstract class | Drupal\Core\Routing | core/ |
Provides a common base class for cacheable safe redirects. | 2 | |||
| CacheableServiceUnavailableHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable ServiceUnavailableHttpException. | 1 | |||
| CacheableTestDomainObject | class | Drupal\early_rendering_controller_test | core/ |
Test domain class with implemented CacheableDependencyInterface. | ||||
| CacheableTestResponse | class | Drupal\early_rendering_controller_test | core/ |
Cacheable response used for testing. | ||||
| CacheableTooManyRequestsHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable TooManyRequestsHttpException. | 1 | |||
| CacheableUnauthorizedHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable UnauthorizedHttpException. | 2 | |||
| CacheableUnprocessableEntityHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable UnprocessableEntityHttpException. | 1 | |||
| CacheableUnsupportedMediaTypeHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable UnsupportedMediaTypeHttpException. | 1 | |||
| CacheBackendDecorator | class | Drupal\performance_test\Cache | core/ |
Wraps an existing cache backend to track calls to the cache backend. |
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