In this tutorial, we are demonstrating how to make a simple PHP shopping cart tutorial step by step from scratch. This shopping cart application wrote as very minimal and simple for learning purpose. One can take this as an easy shopping cart for any website, but this is purely an idea to create a shopping cart website. More complex websites need a lot of other things like payment gateways, shipping methods, etc. This tutorial will give step by step approach to build a shopping cart with PHP and mysql and this php e-commerce script can be used pretty much any level of programmer in php.
Do not use this directly in the production system without making necessary security approaches. This example has a certain number of products, displaying from the database.
We can add each and every product to cart. With help of session, products are storing in the cart. So cart will be empty when we clear the session.
How does PHP Shopping Cart work?
First, we are creating the product catalog listing grid. We have all our products in the database with name, price, and SKU. In the below listing we are getting products from the database and iterate using a foreach loop. Just remember this tutorial using sessions to store the user selected product details.
Each product has an add to cart button in order to add the product into session cart.
Adding product to shopping cart
When the user presses the Add to Cart button the product details saving into the cart session with SKU and other details. The following code has the action add to cart and it adds the product to shopping cart session.
If we click on the same product several time, the quantity will be incremented.
Removing one or empty all from cart
We allow users to individually remove the item from the cart by pressing the button Delete. Either they can press Empty Cart button to delete all products in one go.
We use unset() function in php to delete the session form cart.
You can download the simple shopping cart in php source code by clicking the below download button
Note: When you learn how to write a simple ecommerce shopping cart with php and mysql, give a try to ecommerce content management systems such as Magento , Open Cart .They are some of the best shopping cart solutions out there in the open source world. And also they equipped with payment solutions such as Stripe, PayPal etc, which gives you hassle-free configuration options of your store.
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