My query is on Wordpress and related to categories.

I have a set of categories for my posts: All, Cat-a, Cat-b and Cat-c.

a. When I click on the link to my posts page, I want to show an archive for 'All'. How do I generate a link to 'All' explicitly? Something of this kind?

<a href="<?php bloginfo('url'); ?>">All Posts</a>

b. I would also be displaying the list of categories (shown below). I would however need to highlight the current category (by default, All).

   <?php wp_list_categories('title_li='); ?>

c. Also I would need all categories to be displayed whether they have posts in them or not.

Any help on this is greatly appreciated. Thanks!

  • Do you have an explicit category named "All", or do you just mean "all posts"?
    – Jan Fabry
    Commented Sep 12, 2011 at 5:52
  • I do have an explicit category called 'All', however that can be altered in the argument list in the wp_list_category() codex. When viewing a page of posts, I wanted the 'All' category highlighted, that's why I wanted to link to the dynamic link to the 'All' page. Please let me know if you need more information. Thanks!
    – Ganesh
    Commented Sep 13, 2011 at 2:48

1 Answer 1


On the Codex page for wp_list_categories(), you can see the two following arguments that might help you:

  • hide_empty: Toggles the display of categories with no posts. The default is true (hide empty categories).
  • current_category: Allows you to force the current-cat CSS class to appear on uses of wp_list_categories() that are not on category archive pages.

Note that current_category only accepts one category ID. If you have a post that belongs to two categories, you will have to choose one.

  • Many thanks for your answer Jan! Greatly appreciated! Apologies for my delayed response, however, as I have one more query. Where do I specify which category to choose?
    – Ganesh
    Commented Sep 13, 2011 at 2:54
  • Ok, so the current_category is where I explicitly put in the ID of the category. However, that doesn't seem to activate the current-cat class in CSS. Also what I have done to get part of the intended result was this: <?php wp_list_categories('show_option_all=All&hide_empty=0&title_li='); ?> I am unable to frame a condition that: if the page loaded is the archive of a particular category, then current-cat CSS class for that category should be activated. Any tips? Thanks!
    – Ganesh
    Commented Sep 13, 2011 at 3:46

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