function getUserIP(){


  $client  = @$_SERVER['HTTP_CLIENT_IP'];


  $forward = @$_SERVER['HTTP_X_FORWARDED_FOR'];


  $remote  = $_SERVER['REMOTE_ADDR'];





  if(filter_var($client, FILTER_VALIDATE_IP)){


      $ip = $client;


  }


  elseif(filter_var($forward, FILTER_VALIDATE_IP)){


      $ip = $forward;


  }


  else{


      $ip = $remote;


  }


  return $ip;


}