Widget Logic
Parent and child categories (1 post)

  1. artgeek
    Posted 3 years ago #

    Hi! I'm trying to get my widget to show up only in the following places:
    - on a specific category page
    - on any post within that category
    - on any post within a child of that category

    I've got 2/3, but that last one has eluded me, despite much scanning of the Codex and Googling.

    What I have now:
    is_category(5) || (is_single() && in_category(5))

    I've tried the post_is_in_descendant_category function described here: http://codex.wordpress.org/Function_Reference/in_category

    but that broke my blog (after adding the relevant code to functions.php and updating the widget logic, I only got a blank page on refresh).

    Is this possible and, if so, please describe what I should be doing?

    Many thanks!


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