织梦调用来访者的IP地址

    {dede:php} 
      $user_IP = ($_SERVER["HTTP_VIA"]) ? $_SERVER["HTTP_X_FORWARDED_FOR"] : $_SERVER["REMOTE_ADDR"];  
      $user_IP = ($user_IP) ? $user_IP : $_SERVER["REMOTE_ADDR"];  
      function get_real_ip(){  
       $ip=false;  
       if(!emptyempty($_SERVER["HTTP_CLIENT_IP"])){  
         $ip = $_SERVER["HTTP_CLIENT_IP"];  
       }  
       if (!emptyempty($_SERVER[‘HTTP_X_FORWARDED_FOR‘])) {  
         $ips = explode (", ", $_SERVER[‘HTTP_X_FORWARDED_FOR‘]);  
           if ($ip) { array_unshift($ips, $ip); $ip = FALSE; }  
             for ($i = 0; $i < count($ips); $i++) {  
               if (!eregi ("^(10│172.16│192.168).", $ips[$i])) {  
                  $ip = $ips[$i];  
                  break;  
                }  
             }  
        }  
        return ($ip ? $ip : $_SERVER[‘REMOTE_ADDR‘]);  
    }  
        echo "YOUR IP "." ". get_real_ip(); 
    {/dede:php}