XML and PHP

A Few Examples

Over the preceding sections, you’ve seen quite a few examples of how the RPC library works and should now have a fairly clear understanding of the theory. This section puts it into practice with a few real-life demonstrations of how this technology can be used across the web.

Retrieving Meteorological Data with XML-RPC

I’ll begin with something simple—a basic RPC client-server implementation for information delivery over HTTP. I’ll be using a MySQL database as the data source, XML-RPC as the expression language for the procedure calls and responses, and PHP for the actual mechanics.

Requirements

Let’s assume the existence of a fictional government department that is charged with the task of obtaining meteorological information ...