How easy is it to create RSS feeds?
 

If a page is constructed by a bunch of queries (depending on an 'id' in the url) how easy is it to create an RSS feed for that page?

For eg, say there was a movie site, that had a news and features section. Each news and features article would be 'tagged' with the name of actors it related to.

Then say we had an actors page that showed the latest news and features relating to whichever actors id is put in the url (eg actor_id=) (so basically that page is just constucted with sql queries). Would there be anyway to create an rss feed for those pages? So whenever a new news of feature is posted about a certain actor, anyone subscribed to that actors page get's a notification?

Is this easy enough to do? *!*

RSS is just another form of output. You're comfortable with outputting HTML? There's no reason why RSS shouldn't be just as easy. :)

RSS is easy as using grabbing rows from the MySQL in php. :]

It's upto the rss feeding software to determine if there's a new "post"

This might help you - Dynamic RSS Feeds - Viper Creations

:-P