[Isomorphic]

There are several, including < and >. The rules differ for attributes vs element content, and there is also the CDATA tag to reduce to the need to quote within any given element's content - see any good online reference.

[JohnBlack]

Thanks once again for answering.

John

[consultorpc]

Hi,

We created an open source lib to help people that use PHP to implement SC easily, I will put the link here as it may help you : http://smartclientphp.com/

Regards.

[Isomorphic]

On the public wiki there is now a series of articles showing how to build PHP server code for RestDataSource that supports full CRUD, including AdvancedCriteria and transactional commits to a database (using the RedBean PHP library). Take a look here.