[wp-hackers] $cache_categories

[Ryan Boren]

On Tue, 2006-01-03 at 18:53 -0500, Austin Matzko wrote:
> On 1/3/06, Ryan Boren <ryan at boren.nu> wrote:
> > Plus, these are the sort of things that make plugins so
> > fragile to core changes.  If we need to add API, let's add API instead
> > of digging in the guts of WP.
> 
> The codex has sample code using $cache_categories, so how would one
> know not to use it? http://codex.wordpress.org/Category_Templates

Good grief.  That never should have been documented and needs to change.

> > What method was being used in 1.5 that is no longer working?  Can you
> > not use get_queried_object_id() or get_query_var('cat')?
> 
> I need an array of the categories.  The hierarchy, ids, etc. that
> $cache_categories provided was nice, too. I'd be happy to use a better
> method.

You can work with get_all_category_ids(), get_category(), and
get_category_children().  We should probably add get_categories() that
works similarly to get_pages().

Ryan