public static Cache::mergeTags(array $a = [], array $b = [])

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

public BackendChain::set($cid, $data, $expire = Cache::PERMANENT, array $tags

public BackendChain::deleteAll() Deletes

public CacheCollector::destruct() Performs

protected CacheCollector::invalidateCache()

public NullBackend::__construct($bin) Constructs

The generated cache keys. Type: string[] File core/

public PhpBackend::removeBin() Remove

public ApcuBackend::__construct($bin, $site_prefix, CacheTagsChecksumInterface