$stmt = $pdo->prepare("SELECT * FROM orders WHERE user_id = :user_id"); $stmt->execute(['user_id' => $user_id]); $orders = $stmt->fetchAll(); ?>
Building a shopping cart with PHP often involves using URL parameters like ?id=1 to retrieve product details from a database. While this is a foundational technique for dynamic web development, it can expose your site to serious security risks if not handled correctly. 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. $stmt = $pdo->prepare("SELECT * FROM orders WHERE user_id