Graham Charters writes, in this new post on the IBM developerWorks PHP blog today, that the first release of their Service Component Architecture (v 0.1.0) has been released.

We've just made the first release of the Service Component Architecture (SCA) for PHP prototype available. SCA allows you to turn PHP classes into Web services by adding a few simple phpDocumentor-style annotations. SCA will automatically generate WSDL for these services when required.

SCA also uses the same annotations technique to allow PHP classes to declare dependencies on other Web services or PHP classes. At runtime it will then 'inject' proxies for these dependencies, which can then be used to call the Web services or classes

You can check out documentation for the project and some examples of how it works over on this page and a whitepaper here will give you the full scoop. If you're interested, be sure to check out the Google Group for the project too.