Addcartphp Num High Quality Jun 2026

// --- 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);

Project Manager / E-commerce Team From: [Your Name/Role] Date: [Current Date] Subject: Performance & Quality Review of addcart.php Spikes addcartphp num high quality

<?php session_start(); // ... database connection ... // --- DATABASE LOOKUP (Prepared Statement) --- $pdo

Retrieves product ID and quantity. It must check if the product is already in the cart; if so, it increments the quantity instead of creating a duplicate entry. $stmt = $pdo-&gt

// Add or Update logic if (isset($_SESSION['cart'][$product_id])) $_SESSION['cart'][$product_id]['quantity'] += $quantity; else $_SESSION['cart'][$product_id] = [ 'id' => $product['id'], 'name' => $product['name'], 'price' => $product['price'], 'quantity' => $quantity ];