the orders detail table will only store the information from the cart, no user entered information.
the orders table is the only one that will store user entered information.
on the confirm page, add the following code at line 1 to strip any commas from the info posted from the checkout form:
<?php
if($_SERVER['REQUEST_METHOD'] == "POST") {
foreach($_POST as $k => $v) {
$_POST[$k] = str_replace(",", "", $v);
}
}
?>