Implementing Quantity Update Feature in a PHP Shopping Cart :

>> Quantity Update Feature in a PHP Shopping Cart :

>> A shopping cart is a crucial component of an e-commerce website, allowing users to add, remove, and modify products before proceeding to checkout. One essential feature of a shopping cart is the ability to update the quantity of products dynamically. In this article, we will explore how to implement a quantity update feature in a PHP shopping cart.

>>Step-by-Step Implementation :

See All

1️ - Setting Up the Shopping Cart :
✅ Before implementing the quantity update feature, ensure you have a working shopping cart. The cart is typically stored in a PHP session to maintain its state across different pages.
2. Adding Products to the Cart
✅ Products are usually added to the cart using a form. The $_SESSION['cart'] array stores product details such as id, name, price, and quantity.
3. Displaying the Cart Items
✅ To enable users to update the quantity, display the cart items in an HTML table with an input field for the quantity.
4. Handling Quantity Updates
✅ Create an update_cart.php file to process the quantity update.
5. Ensuring Data Validation
✅ To prevent invalid data input, validate the quantity value before updating the cart.

>> AJAX Cart Edit in PHP Shopping Cart : ✅

This Shopping cart tutorial is providing cart edit feature by using jQuery AJAX. In a previous tutorial, we have seen simple shopping cart. This edit feature allows changing the existing cart item quantity in session.
In this example, we are showing item quantity in a text box to allow edit. This cart edit function is called via jQuery AJAX on the blur event of the quantity text box.
We are sending an AJAX call with the appropriate product code and quantity to a PHP file. It changes the quantity in cart session and calculates new total as AJAX response.

>> Responsive PHP Shopping Cart ✅

See All

>> What You Will Learn in this Tutorial 🔄

See All

1️⃣ Template Design — Design a home page, products page, product page, shopping cart page, and place order page with HTML5 and CSS3, and learn how to implement the PHP templating system with HTML.

2️⃣ GET and POST Requests — Create HTML forms and data request handling with PHP.

3️⃣ Prepared SQL Queries — How to prepare SQL queries to prevent SQL injection.

>> Conclusion :

Implementing a quantity update feature in a PHP shopping cart enhances user experience and allows flexibility in modifying cart items before checkout. By using PHP sessions, HTML forms, and basic validation, you can create a dynamic and user-friendly shopping cart system. 🚀

>> TRENDING

See All