Conditional tag in Widget Logic for checking if top level page or if subpage

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I’m using the Widget Logic plugin to show widgets on certain pages using WordPress Conditional Tags (or any general PHP code).

What I would like to do is only show a widget on child pages, not top level pages. I tried both of the following but they both return true on all pages (so the widget shows on all pages):

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global $post; return ($post->post_parent != 0);

and 

global $post; return ( is_page() && $post->post_parent );

Note I tried this for testing and the widget displays on page ID 61 and its children, not just on its children as I was expecting: 

global $post; return ($post->post_parent=="61");

Any tips?

Thanks!

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2 comments

  1. You can find the answer on the plugin’s page at wordpress.org. Select the tab ‘Other Notes’. You will find it at the example list:

    global $post;

// WP page that is a child of page 77
return in_array(77, get_post_ancestors($post));

    Edit: As an alternative to your suggestions you may try

    global $post;
return !empty(get_post_ancestors($post));

    This is an expensive call and should better be used for testing only. But I suspect that there might be something wrong with your page hierarchy. Is it possible that your top level page is not on root level?

  2. Apologies, turns out it was a problem with my theme – using get_posts to list child pages outside the loop without wp_reset_postdata. So a global $post; conflict I guess.

    global $post; return ($post->post_parent != 0); works fine.

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