<?
$host="HOST";
$username="USER";
$password="PASS";
$database="DB";

$ID=$_POST['ID'];
$FID=$_POST['FID'];


mysql_connect($host,$username,$password);
@mysql_select_db($database) or die( "Unable to select database");

$query = ("UPDATE `smf_members` SET `steamid` = '" . $ID . "' WHERE `ID_MEMBER` = '" . $FID . "'");
mysql_query($query);

mysql_close();
?>

User Added