Running! </br> 
3.236.51.151<?
function get_real_ip(){
 $ip=false;
 if(!empty($_SERVER["HTTP_CLIENT_IP"])){
  $ip = $_SERVER["HTTP_CLIENT_IP"];
 }
 if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
  $ips = explode (", ", $_SERVER['HTTP_X_FORWARDED_FOR']);
  if ($ip) { array(促销产品 主营产品)_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 get_real_ip();
?>