public long decrement ([string $keyName], [long $value]) Decrement of $keyName by given $value

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

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

public string getContent () Returns output cached content

abstract public getLastKey () ...

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

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

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

public getLifetime () Returns the cache lifetime

public beforeStore (mixed $data) Prepare data to be stored