Şunu deneyebilirsin.


function pc_ip_adresi() {
$ipadres = '';
if (getenv('HTTP_CLIENT_IP'))
$ipadres = getenv('HTTP_CLIENT_IP');
else if(getenv('HTTP_X_FORWARDED_FOR'))
$ipadres = getenv('HTTP_X_FORWARDED_FOR');
else if(getenv('HTTP_X_FORWARDED'))
$ipadres = getenv('HTTP_X_FORWARDED');
else if(getenv('HTTP_FORWARDED_FOR'))
$ipadres = getenv('HTTP_FORWARDED_FOR');
else if(getenv('HTTP_FORWARDED'))
$ipadres = getenv('HTTP_FORWARDED');
else if(getenv('REMOTE_ADDR'))
$ipadres = getenv('REMOTE_ADDR');
else
$ipadres = 'UNKNOWN';
return $ipaddress;
}

$ip = pc_ip_adresi();

curl_setopt($ch, CURLOPT_HTTPHEADER, array("X-Forwarded-For: $ip"));