Interface **Phalcon\\Cache\\BackendInterface** ============================================== .. role:: raw-html(raw) :format: html :raw-html:`Source on GitHub` Methods ------- abstract public **start** (*mixed* $keyName, [*mixed* $lifetime]) ... abstract public **stop** ([*mixed* $stopBuffer]) ... abstract public **getFrontend** () ... abstract public **getOptions** () ... abstract public **isFresh** () ... abstract public **isStarted** () ... abstract public **setLastKey** (*mixed* $lastKey) ... abstract public **getLastKey** () ... abstract public **get** (*mixed* $keyName, [*mixed* $lifetime]) ... abstract public **save** ([*mixed* $keyName], [*mixed* $content], [*mixed* $lifetime], [*mixed* $stopBuffer]) ... abstract public **delete** (*mixed* $keyName) ... abstract public **queryKeys** ([*mixed* $prefix]) ... abstract public **exists** ([*mixed* $keyName], [*mixed* $lifetime]) ...