Php Id 1 Shopping -

With numeric IDs, your competitor knows exactly how many products you sell (product #1 to #954). They know when you launch a new product (ID jumps from 954 to 1001). This is competitive suicide.

$sql = "INSERT INTO cart (user_id, product_id, quantity) VALUES ('$user_id', '$product_id', '$quantity')"; mysqli_query($conn, $sql); php id 1 shopping

In the context of shopping carts, IDOR is often more financially damaging than SQLi. This occurs when the application exposes a direct reference to an internal object (like a database key) without performing an authorization check. With numeric IDs, your competitor knows exactly how

This file will add a product to the cart. $sql = "INSERT INTO cart (user_id, product_id, quantity)

Never use logic based on ID numbers. Use role-based access control (RBAC) with database flags (e.g., is_admin = 1 ) instead of user_id = 1 .

If your project involves building or maintaining a web application, especially an e-commerce site, PHP is certainly worth considering.