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

public getLifetime () Returns cache lifetime, always one second expiring content

public stop () Stops output frontend

public beforeStore (mixed $data) Serializes data before storing them

abstract public getOptions () ...

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

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

abstract public setLastKey (mixed $lastKey) ...

Source

public mixed get (string | int $keyName, [long $lifetime]) Returns a cached content reading