This class handles the logic. This is the "Long Feature" part—extensible and clean.
$subtotal = $product['price'] * $qty; $total += $subtotal; $cart_items[] = [ 'product' => $product, 'quantity' => $qty, 'subtotal' => $subtotal ]; addcartphp num high quality
// --- DATABASE LOOKUP (Prepared Statement) --- $pdo = getDbConnection(); $stmt = $pdo->prepare("SELECT id, name, price, stock_quantity FROM products WHERE id = ? AND status = 1"); $stmt->execute([$product_id]); $product = $stmt->fetch(PDO::FETCH_ASSOC); This class handles the logic
A hidden risk: malicious sites tricking users into adding items. High-quality scripts include a CSRF token. // Hide notification after 3 seconds setTimeout(() =>
Let's assume you're adding a product with a unique id , name , price , and a num (quantity) you want to add.
// Hide notification after 3 seconds setTimeout(() => notif.style.display = 'none'; , 3000); ) .catch(error => console.error('Error:', error));