17/40 - XPath and PHP

In order to allow the user to update the XML model, it's essential to have some knowledge of PHP. This is due to the client and server communications involved. The code below demonstrates the use of PHP for the XML API request.

The PHP script gathers data from a form and dynamically updates the car XML document by the car's ID using the POST method. AJAX can be particularly useful for allowing users to fill out and update pre-existing content seamlessly.