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I would like that each category link to the last post of each category.

  • category 1 ----> link to the last post of category 1
  • category 2 ----> link to the last post of category 2
  • category 3 ----> link to the last post of category 3

How can I do it?

share|improve this question
Where do you want to have this? In a hand-made category listing? In a category widget? For the URLs http://example.com/category/my-cat/ etc? This is not enough information. – tfrommen Apr 21 '13 at 19:50
There is really no such thing as the "first" post in a category. The display order depends on the query parameters. – s_ha_dum Apr 21 '13 at 20:06
I want to have this in a menu. – Mike Apr 28 '13 at 23:39
up vote 0 down vote accepted

You can filter category_link and replace the URL here. I have used the newest post in the following example, because first could also mean the oldest and that sounds … strange. :)

add_filter( 'category_link', 'wpse_96677_cat_link_to_first_post', 10, 2 );

function wpse_96677_cat_link_to_first_post( $url, $term_id )
    $term = get_term( $term_id, 'category' );

    // sub-terms only
    if ( ! isset ( $term->parent ) or 0 == $term->parent )
        return $url;

    $post = get_posts(
            'numberposts' => 1,
            'category'   => $term_id

    if ( ! $post )
        return $url;

    return get_permalink( $post[0]->ID );
share|improve this answer
Ok, thanks... And If I want to link to a post only the second level of categories? – Mike Apr 21 '13 at 20:03
@Mike I made an update, the links are now changed for categories with parents only. – toscho Apr 21 '13 at 20:08
Wow! Thank you very much :) – Mike Apr 21 '13 at 20:25

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