public string getContent () Returns output cached content

abstract public getLastKey () ...

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

public getLifetime () Returns the cache lifetime

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

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

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

public getOptions () ...

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

abstract public isFresh () ...