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ACF only show item with a valid element

  • I have an ACF for city, and the array has the top 50 major us cities in it. This is stored and set in ACF > City >Choices

    I then have it called on the front end by the Field Key, and it loads in a drop down.

    However, I would like the dropdown list to be occupied by cities that have a post associated it to it.

    For example, New York has 7 posts associated to it, and Delaware has 0. So in the drop down 0 should not show up.

    I am using the following on the front end
    $city = get_post_meta(35, ‘field_xxxxxxxx’, true);

    and help or guidance woul dbe greatly appreciated.


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