/***得到用户的ip*@returnstring*/functionget_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_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']);}