Create a simple test page in php, showing php client interaction with WCF web service. Demonstrate all major functions of the API. Show a list of hyperlinks, click a link and the server script does a call to the remote web service. Return the results into a php array. Display the input data / output data / error messages / status messages / etc. Format the XML as colored and nested HTML. Encapsulate the PHP code into a general class and extended class, see if you can save some time by finding existant PHP client class.