if ($_SERVER['REQUEST_METHOD'] !== 'POST') http_response_code(405); die("Method not allowed");
Add-cart.php Num [ EXCLUSIVE ⚡ ]. In the world of e-commerce, the functionality to add products to a shopping cart is fundamental. 13.203.213.4 I want to add products to the shopping cart in PHP add-cart.php num
0) // If cart doesn't exist, create it if (!isset($_SESSION['cart'])) $_SESSION['cart'] = []; // Add or update quantity if (isset($_SESSION['cart'][$product_id])) $_SESSION['cart'][$product_id] += $quantity; else $_SESSION['cart'][$product_id] = $quantity; // Redirect back to product page or cart header('Location: cart.php'); exit(); else echo "Invalid quantity."; ?> Use code with caution. Key Considerations for add-cart.php num 1. Input Validation and Security if ($_SERVER['REQUEST_METHOD']