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Lesson 43 - E-shop in PHP - Editing orders

In the previous lesson, E-shop in PHP - PDF invoice template, we finished generating invoices. In today's tutorial, we'll start working on the order administration which is the last feature our e-shop is still missing.

I'm glad you've made it so far and that I'm able to program this final feature with you. We will implement a very real form which is not in any textbook. However, it is present in many business applications. It will look like the following:

Order-management form

The form looks like an invoice and we should be able to change:

  • Invoice details (issue date, due date) - Changing the invoice details is trivial and we can do so using a form with a few fields.
  • Customer details (name, address, ...) - However, changing customer details is not as simple since they're split up into multiple database tables. We'll use the pre-existing person administration to do so. This is why we'll learn to use another form with the help of the jQuery UI dialog.
  • Ordered products - Changing the ordered products is the hardest part. To make a truly effective tool, we'll have to add dynamic administration for the customer's cart using AJAX, including real-time order recounting.


Let's start with models as we always do.


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In this tutorial, we'll design the order management part for e-shop administrators and prepare the controller for it as well.

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Article has been written for you by David Capka
The author is a programmer, who likes web technologies and being the lead/chief article writer at He shares his knowledge with the community and is always looking to improve. He believes that anyone can do what they set their mind to.
Unicorn university David learned IT at the Unicorn University - a prestigious college providing education on IT and economics.