public boolean delete (int | string $keyName) Deletes a value from the cache by its key

public mixed increment ([string | int $keyName], [int $value]) Increment of a given key

public boolean exists ([string | int $keyName], [int $lifetime]) Checks if cache exists

public flush () Immediately invalidates all existing items.

public array queryKeys ([string | int $prefix]) Query the existing cached keys

public useSafeKey (mixed $useSafeKey) Set whether to use the safekey or not

public mixed decrement ([string | int $keyName], [int $value]) Decrement of a given key

extends abstract class Phalcon\Cache\Backend

public getKey (mixed $key) Return a file-system safe identifier for a given key

public save ([int | string $keyName], [string $content], [int $lifetime], [boolean $stopBuffer])