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if (!empty($_SESSION['cart'])) $ids = array_keys($_SESSION['cart']); $placeholders = implode(',', array_fill(0, count($ids), '?')); $stmt = $pdo->prepare("SELECT id, name, price, image_url FROM products WHERE id IN ($placeholders)"); $stmt->execute($ids); $products = $stmt->fetchAll(PDO::FETCH_ASSOC); foreach ($products as $product) $qty = $_SESSION['cart'][$product['id']]; $subtotal = $product['price'] * $qty; // render row... addcartphp num high quality
As your store scales, you will need to decide where cart data is stored: Sessions (Best for Guests) Let me know which you want to explore next