I\'m customizing a shopping cart application in php. In this application, I have to integrate some parts with another C#.net application, so I\'m using a webservice in a php
I think you want a Dictionary. But I could be wrong. You should see what the generated class is used when you call the web service.
To call the web service, right click the References folder of your project. Say Add Service Reference.
Put the WSDL url in there and let it generate the classes for you.