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 |
|---|---|---|---|---|---|---|---|---|
| CacheClassMetadataFactory | class | Symfony\Component\Serializer\Mapping\Factory | vendor/ |
Caches metadata using a PSR-6 implementation. | ||||
| CacheClearerInterface | interface | Symfony\Component\HttpKernel\CacheClearer | vendor/ |
CacheClearerInterface. | 2 | |||
| CacheCollector | abstract class | Drupal\Core\Cache | core/ |
Default implementation for CacheCollectorInterface. | 8 | 8 | ||
| CacheCollectorInterface | interface | Drupal\Core\Cache | core/ |
Provides a caching wrapper to be used in place of large structures. | 3 | 2 | ||
| CacheContextInterface | interface | Drupal\Core\Cache\Context | core/ |
Provides an interface for defining a cache context service. | 15 | 1 | ||
| CacheContextsManager | class | Drupal\Core\Cache\Context | core/ |
Converts cache context tokens into cache keys. | 7 | |||
| CacheContextsPass | class | Drupal\Core\Cache\Context | core/ |
Adds cache_contexts parameter to the container. | 1 | |||
| CachedDiscoveryClearer | class | Drupal\Core\Plugin | core/ |
Defines a class which is capable of clearing the cache on plugin managers. | ||||
| CachedDiscoveryClearerInterface | interface | Drupal\Core\Plugin | core/ |
Provides a way to clear static caches of all plugin managers. | 1 | |||
| CachedDiscoveryInterface | interface | Drupal\Component\Plugin\Discovery | core/ |
Interface for discovery components holding a cache of plugin definitions. | 4 | 6 | ||
| CachedDoubler | class | Prophecy\Doubler | vendor/ |
Cached class doubler. Prevents mirroring/creation of the same structure twice. | 1 | |||
| CachedInstrumentation | final class | OpenTelemetry\API\Instrumentation | vendor/ |
Provides access to cached {@link TracerInterface} and {@link MeterInterface} instances. | ||||
| CachedStorage | class | Drupal\Core\Config | core/ |
Defines the cached storage. | ||||
| CacheException | interface | Psr\Cache | vendor/ |
Exception interface for all exceptions thrown by an Implementing Library. | 1 | |||
| CacheFactory | class | Drupal\Core\Cache | core/ |
|||||
| CacheFactoryInterface | interface | Drupal\Core\Cache | core/ |
An interface defining cache factory classes. | 10 | 2 | ||
| CacheInterface | interface | Twig\Cache | vendor/ |
Interface implemented by cache classes. | 4 | 2 | ||
| CacheItemInterface | interface | Psr\Cache | vendor/ |
CacheItemInterface defines an interface for interacting with objects inside a cache. | ||||
| CacheItemPoolInterface | interface | Psr\Cache | vendor/ |
CacheItemPoolInterface generates CacheItemInterface objects. | 6 | |||
| CachePluginBase | abstract class | Drupal\views\Plugin\views\cache | core/ |
The base plugin to handle caching. | 3 | 2 | ||
| CacheRedirect | class | Drupal\Core\Cache | core/ |
Defines a value object to represent a cache redirect. | ||||
| CacheRouterRebuildSubscriber | class | Drupal\Core\EventSubscriber | core/ |
Clear cache tags when the router is rebuilt. | ||||
| CacheTagsChecksumInterface | interface | Drupal\Core\Cache | core/ |
Provides checksums for cache tag invalidations. | 1 | |||
| CacheTagsChecksumTrait | trait | Drupal\Core\Cache | core/ |
A trait for cache tag checksum implementations. | ||||
| CacheTagsInvalidator | class | Drupal\Core\Cache | core/ |
Passes cache tag events to classes that wish to respond to them. | ||||
| CacheTagsInvalidatorInterface | interface | Drupal\Core\Cache | core/ |
Defines required methods for classes wanting to handle cache tag changes. | 7 | 12 | ||
| CacheWarmer | final class | SebastianBergmann\CodeCoverage\StaticAnalysis | vendor/ |
1 | ||||
| CacheWarmer | abstract class | Symfony\Component\HttpKernel\CacheWarmer | vendor/ |
Abstract cache warmer that knows how to write a file to the cache. | ||||
| CacheWarmerAggregate | class | Symfony\Component\HttpKernel\CacheWarmer | vendor/ |
Aggregates several cache warmers into a single one. | ||||
| CacheWarmerInterface | interface | Symfony\Component\HttpKernel\CacheWarmer | vendor/ |
Interface for classes able to warm up the cache. | 3 | 1 | ||
| CachingFileAnalyser | final class | SebastianBergmann\CodeCoverage\StaticAnalysis | vendor/ |
@internal This class is not covered by the backward compatibility promise for phpunit/php-code-coverage | 1 | |||
| CachingParser | final class | PHPUnit\Metadata\Parser | vendor/ |
@no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit | ||||
| CachingStream | final class | GuzzleHttp\Psr7 | vendor/ |
Stream decorator that can cache previously read bytes from a sequentially read stream. | ||||
| CakePHPInstaller | class | Composer\Installers | vendor/ |
|||||
| CalculatedCacheContextInterface | interface | Drupal\Core\Cache\Context | core/ |
Provides an interface for defining a calculated cache context service. | 9 | 2 | ||
| CalculatedPermissions | class | Drupal\Core\Session | core/ |
Represents a calculated set of permissions with cacheable metadata. | ||||
| CalculatedPermissionsInterface | interface | Drupal\Core\Session | core/ |
Defines the calculated permissions interface. | 2 | |||
| CalculatedPermissionsItem | class | Drupal\Core\Session | core/ |
Represents a single entry for the calculated permissions. | 1 | |||
| CalculatedPermissionsItemInterface | interface | Drupal\Core\Session | core/ |
Defines the calculated permissions item interface. | 1 | |||
| CalculatedPermissionsTrait | trait | Drupal\Core\Session | core/ |
Trait for \Drupal\Core\Session\CalculatedPermissionsInterface. | ||||
| Calculator | abstract class | Brick\Math\Internal | vendor/ |
Performs basic operations on arbitrary size integers. | 3 | 5 | ||
| Calculator | final class | SebastianBergmann\Complexity | vendor/ |
1 | ||||
| CalculatorInterface | interface | Ramsey\Uuid\Math | vendor/ |
A calculator performs arithmetic operations on numbers | 1 | 5 | ||
| Call | class | Prophecy\Call | vendor/ |
Call object. | 9 | |||
| CallableArgumentsExtractor | final class | Twig\Util | vendor/ |
@author Fabien Potencier <fabien@symfony.com> | 2 | |||
| CallableParameter | final class | phpDocumentor\Reflection\Types | vendor/ |
Value Object representing a Callable parameters. | 1 | |||
| CallableResolver | class | Drupal\Core\Utility | core/ |
Resolves PHP callables. | 5 | |||
| CallableString | final class | phpDocumentor\Reflection\PseudoTypes | vendor/ |
Value Object representing the type 'string'. | 1 | |||
| CallableType | final class | SebastianBergmann\Type | vendor/ |
|||||
| CallableTypeNode | class | PHPStan\PhpDocParser\Ast\Type | vendor/ |
7 |