用户获取IP类

2017-6-20 0phpcom 经典文章

<?php
/*
* @auther http://www.0-php.com
**/
function getRealIpAddr()
{

    if (!empty($_SERVER['HTTP_CLIENT_IP'])) //check ip from share internet
    {
        $ip=$_SERVER['HTTP_CLIENT_IP'];
    }
    elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) //to check ip is pass from proxy
    {
        $ip=$_SERVER['HTTP_X_FORWARDED_FOR'];
    }
    else
    {
        $ip=$_SERVER['REMOTE_ADDR'];
    }
    return $ip;
}

?>