Addcartphp Num High Quality [ CONFIRMED ]

For certain goods (fabric, weight-based products), num can be a float. Extend validation:

public function testAddToCartWithInvalidStringNum() addcartphp num high quality

// Validate product exists and has sufficient stock // ... proceed For certain goods (fabric, weight-based products), num can

This uses FILTER_VALIDATE_INT (not intval() ), which distinguishes between 0 , null , and false . It rejects decimals, strings, and empty values explicitly. 2.2. Checking Inventory Before Adding A premium addcartphp script never assumes stock. It queries the database live. For certain goods (fabric

// Assuming $pdo is your database connection $stmt = $pdo->prepare("SELECT id, name, price, stock_quantity FROM products WHERE id = ? AND status = 'active'"); $stmt->execute([$product_id]); $product = $stmt->fetch(PDO::FETCH_ASSOC); if (!$product) die(json_encode(['error' => 'Product not found']));

if ($num < 1) http_response_code(400); die(json_encode(['error' => 'Quantity must be at least 1']));