Classes, traits, and interfaces - Drupal 11.1.x - Drupal Core
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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 |
|---|---|---|---|---|---|---|---|---|
| BundleExtension | class | Symfony\Component\HttpKernel\Bundle | vendor/ |
@author Yonel Ceruto <yonelceruto@gmail.com> | ||||
| BundleInterface | interface | Symfony\Component\HttpKernel\Bundle | vendor/ |
BundleInterface. | 1 | 2 | ||
| BundlePermissionHandlerTrait | trait | Drupal\Core\Entity | core/ |
Provides a method to simplify generating bundle level permissions. | 4 | |||
| BundlesElement | class | PharIo\Manifest | vendor/ |
|||||
| 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 | |||
| Buzz | class | OpenTelemetry\SDK\Common\Http\Psr\Client\Discovery | vendor/ |
1 | ||||
| ByteOrderMarkSniff | class | PHP_CodeSniffer\Standards\Generic\Sniffs\Files | vendor/ |
|||||
| Bytes | class | Drupal\Component\Utility | core/ |
Provides helper methods for byte conversions. | 8 | 1 | ||
| ByteSizeMarkup | final class | Drupal\Core\StringTranslation | core/ |
A class to generate translatable markup for the given byte count. | 14 | |||
| ByteString | class | Symfony\Component\String | vendor/ |
Represents a binary-safe string of bytes. | ||||
| BytesValue | class | Google\Protobuf | vendor/ |
Wrapper message for `bytes`. The JSON representation for `BytesValue` is JSON string. | ||||
| CaBundle | class | Composer\CaBundle | vendor/ |
@author Chris Smith <chris@cs278.org> @author Jordi Boggiano <j.boggiano@seld.be> | 3 | |||
| Cache | final class | Symfony\Component\HttpKernel\Attribute | vendor/ |
Describes the default HTTP cache headers on controllers. Headers defined in the Cache attribute are ignored if they are already set by the controller. | 1 | |||
| Cache | class | PHP_CodeSniffer\Util | vendor/ |
2 | ||||
| Cache | class | Composer | vendor/ |
Reads/writes to a filesystem cache | 13 | |||
| Cache | class | Drupal\Core\Cache | core/ |
Helper methods for cache. | 93 | |||
| CacheableAccessDeniedHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable AccessDeniedHttpException. | 1 | 3 | ||
| CacheableAjaxResponse | class | Drupal\Core\Cache | core/ |
A AjaxResponse that contains and can expose cacheability metadata. | ||||
| CacheableBadRequestHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable BadRequestHttpException. | 8 | |||
| CacheableConflictHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable ConflictHttpException. | ||||
| CacheableDependencyInterface | interface | Drupal\Core\Cache | core/ |
Defines an interface for objects which may be used by other cached objects. | 63 | 79 | ||
| CacheableDependencyTrait | trait | Drupal\Core\Cache | core/ |
Trait for \Drupal\Core\Cache\CacheableDependencyInterface. | 22 | |||
| CacheableGoneHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable GoneHttpException. | ||||
| CacheableHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable HttpException. | 1 | |||
| CacheableJsonResponse | class | Drupal\Core\Cache | core/ |
A JsonResponse that contains and can expose cacheability metadata. | 2 | |||
| CacheableLengthRequiredHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable LengthRequiredHttpException. | ||||
| CacheableMetadata | class | Drupal\Core\Cache | core/ |
Defines a generic class for passing cacheability metadata. | 2 | 124 | ||
| CacheableMethodNotAllowedHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable MethodNotAllowedHttpException. | ||||
| CacheableNormalization | class | Drupal\jsonapi\Normalizer\Value | core/ |
Use to store normalized data and its cacheability. | 2 | 12 | ||
| CacheableNormalizerInterface | interface | Drupal\serialization\Normalizer | core/ |
Defines the interface for normalizers producing cacheable normalizations. | 1 | 2 | ||
| CacheableNotAcceptableHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable NotAcceptableHttpException. | ||||
| CacheableNotFoundHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable NotFoundHttpException. | 1 | |||
| 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. | ||||
| CacheablePreconditionRequiredHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable PreconditionRequiredHttpException. | ||||
| CacheableRedirectResponse | class | Drupal\Core\Cache | core/ |
A RedirectResponse that contains and can expose cacheability metadata. | 1 | |||
| CacheableResourceResponse | class | Drupal\jsonapi | core/ |
Extends ResourceResponse with cacheability. | 3 | |||
| CacheableResponse | class | Drupal\Core\Cache | core/ |
A response that contains and can expose cacheability metadata. | 6 | |||
| CacheableResponseInterface | interface | Drupal\Core\Cache | core/ |
Defines an interface for responses that can expose cacheability metadata. | 8 | 20 | ||
| CacheableResponseTrait | trait | Drupal\Core\Cache | core/ |
Provides an implementation of CacheableResponseInterface. | 5 | |||
| CacheableRouteProviderInterface | interface | Drupal\Core\Routing | core/ |
Extends the router provider interface to provide caching support. | 1 | 1 | ||
| 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. | ||||
| CacheableTooManyRequestsHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable TooManyRequestsHttpException. | ||||
| CacheableUnauthorizedHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable UnauthorizedHttpException. | 1 | |||
| CacheableUnprocessableEntityHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable UnprocessableEntityHttpException. | ||||
| CacheableUnsupportedMediaTypeHttpException | class | Drupal\Core\Http\Exception | core/ |
A cacheable UnsupportedMediaTypeHttpException. | ||||
| CacheAttributeListener | class | Symfony\Component\HttpKernel\EventListener | vendor/ |
Handles HTTP cache headers configured via the Cache attribute. | ||||
| CacheBackendInterface | interface | Drupal\Core\Cache | core/ |
Defines an interface for cache implementations. | 8 | 99 | 13 |