获得客户端ip的范例代码：

获得客户端ip的范例代码：


unset($onlineip);

if($_SERVER['HTTP_CLIENT_IP']){
     $onlineip=$_SERVER['HTTP_CLIENT_IP'];
}elseif($_SERVER['HTTP_X_FORWARDED_FOR']){
     $onlineip=$_SERVER['HTTP_X_FORWARDED_FOR'];
}else{
     $onlineip=$_SERVER['REMOTE_ADDR'];
}

echo $onlineip;

?>


$onlineip=$_SERVER['REMOTE_ADDR']; //获得客户端ip的系统变量。