PHP正确获取客户端IP地址

获取代理IP

$_SERVER['REMOTE_ADDR'];

获取真实IP

function get_client_ip()
{
$ip = null;
if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$ip = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
$ip = trim(current($ip));
}
return $ip;
}

参考

1. https://www.cnblogs.com/lushaoyan/p/11088213.html