Interchanging Data with WDDX
Now that you've learned how to create and process XML documents, it's time to introduce you to a real application of this technology. You've heard that XML is cross-platform, vendor-independent, and supported well by PHP and other programming languages. What about using XML to communicate between different platforms, or between different programming languages? WDDX does exactly that.
The Web Distributed Data eXchange (WDDX)
WDDX is an open technology proposed by Allaire Corporation; it's an XML vocabulary for describing basic and complex data structures such as strings, arrays, and recordsets in a generic fashion, so that they can be moved between different Web scripting platforms using only HTTP. PHP supports WDDX, ...
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