Cml\Cache\Redis::truncate PHP Method

    public function truncate()
    {
        foreach ($this->conf['server'] as $key => $val) {
            if (!isset($this->redis[$key]) || !is_object($this->redis[$key])) {
                $instance = new \Redis();
                if ($instance->pconnect($val['host'], $val['port'], 1.5)) {
                    $this->redis[$key] = $instance;
                } else {
                    throw new \RuntimeException(Lang::get('_CACHE_NEW_INSTANCE_ERROR_', 'Redis'));
                }
            }
            $this->redis[$key]->flushDB();
        }
        return true;
    }