[wp-hackers] Exclude Categories From The Loop
wyldwolf at gmail.com
Fri Oct 5 13:35:33 GMT 2007
Unless something has changed shouldn't the code referenced in the
codex loop page work?
<?php if (in_category('3')) continue; ?>
Obviously this isn't optimized from a SQL perspective (you're still
pull all posts from the DB, just not displaying some of them), but it
does what was asked for.
On 10/5/07, Paul Menard <paul at codehooligans.com> wrote:
> I generally exclude/include categories using a simple function I keep
> in the functions.php file. The following example was setup because
> the client only wanted content from the category '1' displayed on the
> home page.
> function myHomePostsFilter($query)
> if ($query->is_home)
> return $query;
> The is_home has other sibling functions like is_search, is_list, etc.
> Via the query set() you can also pass the second argument as '-1, -2,
> -3'. I turned this into a simple plugin. It has two admin panels, one
> for categories and one for pages. The pages section is used to simply
> exclude pages from search. But there are other 'actions' where pages
> may need to be excluded. But it's not all that clean. If anyone wants
> to see this let me know. Also this code works well for WP2.2 and
> below. HAve not looked into using this similar for tags.
> There was a plugin I found for pre-WP2.1 called Category Visibility.
> It was doing some very complicated MySQL queries and would not work
> with 2.2. This seemed like overkill.
> On Oct 5, 2007, at 1:54 AM, Michael D Adams wrote:
> > On Oct 4, 2007, at 7:37 PM, Matt wrote:
> >> Is it possible to exclude certain catgories from displaying in the
> >> loop,
> >> with a plugin?
> > Do you mean exclude posts from the loop that belong to a specific
> > category? I don't know if there's a better way to do this now, but
> > there's an old plugin by Ryan that can do this.
> > http://wordpress.org/extend/plugins/front-page-cats/
> > There's no UI. Change $cats_to_show to '-28' (or whatever category
> > you want to exclude), and remove the is_home reference to get it to
> > work everywhere (... or maybe change it to !is_admin...).
> > Michael
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