What is WebORB for PHP?

Question

What is the WebORB for PHP runtime environment? It supposedly connects Flex, Flash, AJAX and Silverlight clients with PHP classes and data from relational databases.

• It seems to support AMF (Flash<>PHP data exchange), is the entire product built around this?

• Does it use sockets? or is it just an AMF service?

• Does it run as a background service on the server? or just on page requests?

Answer 1

• I think the entire product is built around that. We use WebORB for .NET where you also have messaging support (I think you don't have that in PHP).
• It doesn't use sockets. An aspx page is used as a remote gateway.
• It doesn't run as a background service on the server. Just page requests.

This is all from my experience with .NET, but I guess PHP will be somewhat the same.

We have worked with Flex-WebORB-.NET-SqlServer2008, but just about anything is possible.