You mean in what it's supposed to do?
It's supposed to send error messages if a required field isn't filled out, and it's supposed to e-mail the results to me--although I think that's part of the PHP I haven't gotten to yet.
Here's the basics I was given:
# Use PHP to create an XML document holding the data
Convert the form data to XML and write it to a file using PHP. Store the file on the server.