The SOAP extension is a fast and fairly complete interface for creating and
working with SOAP web-services.
- WSDL Code Generation improved
- Schema Code Generation added!
- Less focus on RPC, more on Document messaging
- Smaller code base, easier to extend
- Streams API support
- Uses DOM, may use SimpleXML alternatively in the future
- Cleaner code, better organized
- Makes use of new OO support in PHP 5