The WebReference.com site has a new tutorial posted today - a look at the creation of a custom RSS feed with the help of a a dash of both PHP and MySQL.
You'll learn how to syndicate your own custom RSS feeds using PHP and MySQL. We'll first learn how to create two database tables and then how to retrieve data from them which will be formatted into an RSS feed.
They start from scratch instead of trying to integrate with your pre-existing database schema. They choose to go with a news system that includes the contents of the post, an image associated with it, and a link back to it. They create a class to make the RSS that contains methods like GetFeed, getDetails, and getItems to help build the RSS output. It's all done by appending the tags and information togethter, so don't look for any XML handling here.