[wp-hackers] $wp_rewrite->flush_rules() on plugin activation

[Austin Matzko]

On Tue, Dec 8, 2009 at 4:52 PM, Matt Jacob <matt at mattjacob.com> wrote:
> And what about filtering rewrite_rules_array? I assume that also needs
> to be done before flushing the rules.

Yes, and you'll also need to attach to "init" the callback that sets
up the rules.

So on activation:

- setup your rules
- flush rewrite rules

On init:

- setup your rules

That way your rule changes get used when the rewrite rules are flushed
by another plugin or on the permalinks admin page, etc.