public isFresh () Checks whether the last cache is fresh or cached

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

public start () Starts output frontend. Actually, does nothing

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

public string getContent () Returns output cached content

abstract public start () ...

Source

Source

public mixed start (int | string $keyName, [int $lifetime]) Starts a cache. The keyname

abstract public getLastKey () ...