PHP and MySQL for Dynamic Web Sites: Visual QuickPro Guide

The Shopping Cart

Once you have created a product catalog, as I have now, the actual shopping cart itself can be surprisingly simple. The method I’ve chosen to use in this example is to record the product IDs and quantities to a session. Knowing these two things will allow the scripts to calculate totals and do everything else required.

The Checkout Process The checkout process (which I will not discuss in detail) involves four steps: 1. Confirmation of the order. 2. Confirmation/submission of the billing and shipping information. 3. Processing the order. 4. Submitting the order to the database. Steps 1 and 2 should be easy enough for intermediate programmers to complete on their own by now. In all likelihood, most of the data in step 2 would ...