The native PHP implementation provides a base class which can be extended to provide a functional SOAP server. As an example, Lemos has consutructed a SOAP server which manipulats Ezmlm mailing lists.

Features include:

• Base functions to process SOAP message envelope requests and generate responses.
• Utility function to validate and extract arguments from SOAP request commands.
• Utility function to generate SOAP command responses.
• Simplified generation of SOAP fault response messages.

The classes and documentation can be obtained from phpclasses.upperdesign.com. Free registration is required to download the files.