Home Forums General Issues Taxonomy field type: filter to only show parents


Taxonomy field type: filter to only show parents

    • Anu

    • September 13, 2013 at 12:53 am

    Is there an easy way to filter a taxonomy field type to only show the top level parent terms?

    • Elliot

    • September 14, 2013 at 1:26 pm

    Hi @digitalquery

    Currently, there is no filter for the wp_list_categories args within the taxonomy field.

    You can edit the core/fields/taxonomy field to add on in, however this may be removed after updating.

    I’ll add this to the to-do and add it into the core.


    • Elliot

    • September 17, 2013 at 4:50 pm

    Hi @digitalquery

    Good news. I have just added and pushed to github an update for the taxonomy field.
    This update contains a new filter allwoing you to customize the args used in the wp_list_categories function.

    You can use it like so:

    add_filter('acf/fields/taxonomy/wp_list_categories', 'my_taxonomy_args', 10, 2);
    function my_taxonomy_args( $args, $field )
        // do stuff to $args
        return $args;
    • Anu

    • September 17, 2013 at 7:37 pm

    🙂 fantastic, will test this out in the next couple of days, thanks

    • Anu

    • September 25, 2013 at 8:26 pm

    Hey, just wanted to let you know that this works great – was able to add this line:

    $args['depth'] = 1;

    to the filter function and only show the top level taxonomy terms in the edit screen

    • charlie

    • October 1, 2013 at 9:24 pm

    Great. I got it working too.

    Is there a way this can be applied only to 1 specific taxonomy field? I have a filter that’s useful for one taxonomy field but not something I’d want to apply to all my taxonomy fields.

    I tried in my add_filter function using ‘acf/fields/taxonomy/wp_list_categories/name=XYZ’ but that didn’t work (the field just displayed all the categories)

    Alternatively I just might not be understanding this correctly.


    • Elliot

    • October 11, 2013 at 12:33 pm

    Hi @charlie

    Answer provided on

    Compare $field[‘name’]

    • socki03

    • October 23, 2013 at 7:39 am

    I updated taxonomy.php from the github version after finding out that 4.2.2 doesn’t include the $args array & application of filters. Will this be released in the next update? I’m just curious to make sure that this still works after the next ( or future ) updates. Thanks!

    • Elliot

    • October 23, 2013 at 5:37 pm

    Hi @socki03


    • socki03

    • October 24, 2013 at 1:12 am

    @elliot Awesome. Thanks!!

    Also, I have to say that I love this plugin, it makes WordPress SO. MUCH. BETTER.

    Thanks again for all your work!

  • This solution Still works in Feb 2015.

    Great plugin!

  • This solution doesn’t work if you choose select type, only work’s for checkboxes. How can use this for dropdown select ?

  • @faticesko Me too, only work for checkboxes or radio buttons.

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