I wanted to replace MySQL with NAV Web Service as a data source for my PHP web site. I started to look around and found all I needed in Freddys Blog. First post is about changes in authentication method of the web service, the later post displays the code needed to connect to the web service with php.
I have an php web on my Windows Home Server and needed to activate two more extensions to get things working.
Here are the php files that I used – PHP consume NAV Web Service