Strange Real IP Address Issue

I have CentMinMod running on a server.

PHP:

<?
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;
}

echo getRealIpAddr();
?>


Basically it returns this.

---

MyIPaddress, MyIPAddress

so like

99.XX.XX.XXX,99.XX.XX.XXX

Anyone know why it does that? I only need my IP to show once, because it's causing problems with an application I am coding.