case 'update':
$id = $_POST['id'];
$name = $_POST['product'];
$category_id = $_POST['category_id'];
$is_attachment = $_POST['is_attach'];
$price = $_POST['price'];
$description = $_POST['description'];
$warranty = $_POST['warranty'];
$part_number = $_POST['part_number'];
$VAT = $_POST['VAT'];
$cate = $_POST['attachment_categories'];
for ($i = 0; $i < count($cate); $i++) {
$get_attach = $_POST['attach_' . $cate[$i]];
$attachs[$cate[$i]] = $get_attach;
}
$pro->update_product($id, $part_number, $name, $category_id, $is_attachment, $price, $VAT, $description, $warranty, $cate, $attachs);
break;
case 'save':
case 'apply':
$name = $_POST['product'];
$category_id = $_POST['category_id'];
$is_attachment = $_POST['is_attach'];
$price = $_POST['price'];
$description = $_POST['description'];
$warranty = $_POST['warranty'];
$part_number = $_POST['part_number'];
$VAT = $_POST['VAT'];
$cate = $_POST['attachment_categories'];
for ($i = 0; $i < count($cate); $i++) {
$get_attach = $_POST['attach_' . $cate[$i]];
$attachs[$cate[$i]] = $get_attach;
