[updated] - Add-cart.php Num

The script should follow these functional steps to ensure reliability:

: It receives data from a frontend request—often via an AJAX POST or a standard HTML form—including the product_id , the desired quantity (or num ), and sometimes specific variations like size or color. add-cart.php num

Use this checklist to test if your add-cart.php script is secure. The script should follow these functional steps to

By hardening your add-cart.php logic, you do more than protect a script—you protect your revenue, your reputation, and your customers. The next time you see ?num=1 in a URL, remember: it only takes one malformed request to break the cart. Don't let that cart be yours. the desired quantity (or num )