Interface **Phalcon\\Cache\\FrontendInterface** =============================================== Phalcon\\Cache\\FrontendInterface initializer Methods --------- abstract public *int* **getLifetime** () Returns the cache lifetime abstract public *boolean* **isBuffering** () Check whether if frontend is buffering output abstract public **start** () Starts the frontend abstract public *string* **getContent** () Returns output cached content abstract public **stop** () Stops the frontend abstract public **beforeStore** (*mixed* $data) Serializes data before storing it abstract public **afterRetrieve** (*mixed* $data) Unserializes data after retrieving it