I’ve just written an article on the WordPress Codex (wiki) about how to create options pages and have WordPress handle all the saving / updating / magic for you. I discovered the technique the other day and I think it’s a gem, makes for very elegant plugins!
Callum Macdonald
Callum on life
Great post on the Codex. It’s the simplest explanation of how to update options that I’ve found so far. The sample code was a tremendous help. Thanks for taking the time to write it.
@Laran Evans: New option whitelisting code in 2.7 makes this approach semi-obsolete. It still works, but only as a temporary backwards compatible fix. I’d suggest using the new whitelist options code instead (which is also WPMU compatible). I’ll try to update the article at some point…