Module_Cache::__call

public function __call($method, $params)
{
    try
    {
        return call_user_func_array(array($this->driver,$method) , $params);
    }
    catch (Exception $e)
    {
        $this->last_error_msg = $e->getMessage();
        $this->last_error_no  = $e->getCode();
        return false;
    }
}