Convert XML to JSON in PHP

With the growing popularity of Web 2.0, a new data interchange format called JavaScript Object Notation (JSON) is emerging as a useful way to represent data in the business logic running on browsers. Learn how PHP-based server programs can convert XML-formatted enterprise application data into JSON format before sending it to browser applications.

Nathan, Senthil, Edward J Pring and John Morar. IBM (2007). Design>Web Design>Information Design>Ajax

JSON, The Fat-Free Alternative to XML

JSON is a lightweight, language independent format for data interchange. It is especially popular in Ajax (or interactive web browser-based) applications.

Crockford, Douglas. XML 2006 (2006). Articles>Web Design>Information Design>Ajax