Doctrine\Common\Cache\RedisCache::doSave PHP Method

    protected function doSave($id, $data, $lifeTime = 0)
    {
        if ($lifeTime > 0) {
            return $this->redis->setex($id, $lifeTime, $data);
        }
        return $this->redis->set($id, $data);
    }

 public function doSave($id, $data, $lifeTime = 0)
 {
     return parent::doSave($id, $data, $lifeTime);
 }