new getip php

function getIP()
{
        $ip[0] = $_SERVER['REMOTE_ADDR'];
        $ip2 = '';
        if($_SERVER['HTTP_X_FORWARDED_FOR'])
        {
                $ip2 = $_SERVER['HTTP_X_FORWARDED_FOR'];
        }
        if($_SERVER['HTTP_X_ORIGINAL_URI'])
        {
                if(strlen($ip2) > 0) $ip2 .= ',';
                $ip2 .= $_SERVER['HTTP_X_ORIGINAL_URI'];
        }
        if($_SERVER['HTTP_CLIENT_IP'])
        {
                if(strlen($ip2) > 0) $ip2 .= ',';
                $ip2 .= $_SERVER['HTTP_CLIENT_IP'];
        }
        $makesafe = false;
        $ip3 = explode(',', $ip2);
        for($i = 0, $j = sizeof($ip3); $i < $j; $i++)
        {
                if(!preg_match('/[0-9]{1,3}[.][0-9]{1,3}[.][0-9]{1,3}[.][0-9]{1,3}/', $ip3[$i]))
                {
                        $makesafe = true;
                }
        }
        if($makesafe)
        {
                $ip[1] .= htmlspecialchars(strip_tags(stripslashes($ip2)), ENT_QUOTES);
                $ip[2] = false;
        }
        else
        {
                $ip[1] = $ip2;
                $ip[2] = true;
        }
        return $ip;
}