How to code add to cart in php?

by Vincy. Last modified on September 27th, 2022.

Building a PHP shopping cart eCommerce software is simple and easy. In this tutorial, let’s create a simple PHP shopping cart software with MySQL.

The intention of this shopping cart software is that it should be simple and as minimal as possible. You can download this free and customize it for your needs within minutes.

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PHP Shopping Cart Software Development Overview

PHP shopping cart example has the following functionality: 

  1. Retrieve product information from the database.
  2. Create product gallery for the shopping cart.
  3. Manage cart items using the PHP session.
  4. Handle add, edit, remove and empty cart actions.

I have retrieved information like name, code, price, and photos from the database. The resultant information is in an array format.

I have iterated this resultant array to form the product gallery. Every product in the gallery will have an add-to-cart option.

I have used the PHP shopping cart session to store and manage the items in the cart.

Once the session expires, the cart items get cleared. This code has an option to clear the entire cart or to remove any particular item from the cart.

File Structure

The shopping cart software example has the following file structure. The below list has the file names and their responsibility.

You can build a gallery-based shopping cart software with these files in few minutes.

  • dbcontroller.php – a generic database layer to help with DAO functions. It also manages the database connection.
  • index.php – to display the product gallery for the shopping cart.
  • style.css – to showcase products for the shopping cart. The styles are minimal and cross-browser compatible.
  • tblproduct.sql – contains SQL script with the product table structure and the data.
  • product-images – a folder that contains the product images. I have used these images to show the product gallery. 

Create a Product Gallery for Shopping Cart

If you are familiar with online shopping, you might have across product galleries. It is an important gateway in a shopping cart application.

Users will use the product gallery to get a feel of the products available to buy. It is a critical component of every online store.

You should always provide a catalog of the available products to let them have a glance. It helps to promote your products to impulsive buyers.

In the following code, I have shown the PHP script to get the product results from the database. The result will be an array and iterated to create a product card in each iteration.

The DBController.php class will handle the DAO operation and fetch products result.


	

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