I want to set up my site to have the following permalink structure:


So in the permalinks section of wordpress, I set that as the custom structure. The issue is, when I click on a category page it's just:


(it's ends up being a /category/subcategory/ url).

So I tried setting the category base on the permalinks setting page also to /learn/, but then I get a 404 when I go to a post's page.

My Structure How do I make it so both category pages and post pages use the /learn/ to start the url?

1 Answer 1


The problem is that the rewrite rules overlap, WordPress is trying to find a category name that matches the post slug.

A possible solution is to do a little manual query parsing, check if the request contains category_name and is a term first, and reset query vars to post name if nothing is found:

function wpd_fix_category_requests( $request ){
    if( array_key_exists( 'category_name' , $request )
        && ! get_term_by( 'slug', basename( $request['category_name'] ), 'category' ) ){
            $request['name'] = basename( $request['category_name'] );
            unset( $request['category_name'] );
    return $request;
add_filter( 'request', 'wpd_fix_category_requests' );

This is pretty basic, and maybe not reliable enough for primetime. Obviously you can't have a post slug that matches a category name. Also, singular post pagination won't work, and I assume attachment URLs will be broken as well.

You could fix all of those things following this method, if you were so inclined. Look at what $request contains for each type of page view, maybe with a different permalink structure so you can see what it looks like in a successful case. You just need to convert the query vars from one kind of request to the other, and WordPress will carry on loading the correct object.

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