public BackendChain::get($cid, $allow_invalid = FALSE)

Defines a chained cache implementation for combining multiple cache backends. Can be used to combine two or more backends together to behave

Defines a base class for cache contexts depending only on the request stack. Subclasses need to implement either

public CacheCollector::destruct() Performs

The cache id that is used for the cache entry. Type: string File

public CalculatedCacheContextI

Indicates that the item should never be removed unless explicitly deleted. File core/lib/Drupal/Core

Array to store cache objects. File core/lib/Drupal/Core/Cache/MemoryBackend.php, line 20

The service container. Type: \Symfony\Component\DependencyInjection\ContainerInterface File

public MemoryBackend::deleteAll() Deletes