A Few Examples
So that’s the theory. There wasn’t much of it, but don’t let that discourage you—it’s possible to build some fairly powerful distributed applications using the simple functions described in the previous sections.
Information Delivery with WDDX and HTTP
This section discusses one of the most popular applications of this technology, using it to build a primitive push/pull engine for information delivery over the web. I’ll be using a MySQL database as the data source, WDDX to represent the data, and PHP to perform the actual mechanics of the transaction.
Requirements
Let’s assume the existence of a fictional corporation—XTI Inc.—that plans to start up an online subscription service offering access to share market data. XTI already ...
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