Nath's Blog

Life. Through the eyes of Nathan Coad.

WordPress category exclusions

Today I figured I would create a category that doesn’t appear on my main page, for testing out some ideas. So I searched google, as I usually would, for instructions to do this.

As usual, answers were forthcoming from the WordPress site itself. It was as simple as modifying index.php for the theme I use, and adding a line so The Loop skipped execution of the main body of the loop, if a category matched the exclusion. Fair enough.

But then I discovered that posts from the excluded category appeared in my rss feed. Not good. After much research, I found many posts from people wanting to know how to do this, but hardly any useful information.

It turns out it is quite simple to exclude a category from an rss feed – it’s done in much the same way as for the main page – editing The Loop. Only in this case, The Loop can be found buried in wp-includes/feed-rss2.php (and also feed-atom.php, feed-rdf.php, and feed-rss.php). Search for the line

<?php while( have_posts()) : the_post(); ?>

and directly after it, insert

<?php if (in_category(‘3’)) continue; ?>

if you want to exclude category id 3. Simple!

3 Comments

  1. Hi, I tried your solution. It broke my RSS feed, have you tried this with the latest version of WordPress?

  2. encode

    August 20, 2008 at 11:13 am

    I haven’t changed anything since I upgraded to 2.6, but I was only excluding one category and I haven’t written a post in that category for ages.

  3. Hmm… The problem seems to have worked itself out, not sure what was wrong in the end. Thanks for the response though.

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