phprs\util\RedisCache::getImpl PHP Method

    private function getImpl()
    {
        if ($this->redis === null) {
            $this->redis = new \Redis();
        }
        if (!$this->redis->isConnected()) {
            $this->redis->connect($this->host, $this->port);
        }
        if (!empty($this->user) && !empty($this->pwd)) {
            Verify::isTrue($this->redis->auth($this->user . ":" . $this->pwd), $this->redis->getLastError());
        }
        return $this->redis;
    }