public function serverGetPortById($sid)
  {
    if(!array_key_exists((string) $sid, $this->serverList()))
    {
      throw new \ManiaLivePlugins\Standard\TeamSpeak\TeamSpeak3\Adapter\ServerQuery\Exception("invalid serverID", 0x400);
    }

    return $this->serverList[intval((string) $sid)]["virtualserver_port"];
  }