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

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

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

public boolean exists ([string $keyName], [long $lifetime]) Checks if cache exists and it isn’t

public mixed decrement (string $keyName, [long $value]) Atomic decrement of a given key, by number

public get (mixed $keyName, [mixed $lifetime]) Returns a cached content

public mixed increment (string $keyName, [long $value]) Atomic increment of a given key, by number

extends abstract class Phalcon\Cache\Backend

public flush () Immediately invalidates all existing items.