Reply To: Auto select parent taxonomy term

• James

• April 11, 2016 at 2:22 am

Hi @rickysullivan,

Thanks for the post.

You can check whether the term has a parent by using the following function which returns a parent term:

function get_term_top_most_parent($term_id, $taxonomy){
    // start from the current term
    $parent  = get_term_by( 'id', $term_id, $taxonomy);
    // climb up the hierarchy until we reach a term with parent = '0'
    while ($parent->parent != '0'){
        $term_id = $parent->parent;

        $parent  = get_term_by( 'id', $term_id, $taxonomy);
    }
    return $parent;
}