Dynamic variable for SEOPress: get term parents list of the current term taxonomy

parent-terms-title.php

function sp_titles_template_variables_array($array) {
    $array[] = '%%parent_terms_title%%';
    
    return $array;
}
add_filter('seopress_titles_template_variables_array', 'sp_titles_template_variables_array');

function sp_titles_template_replace_array($array) {
    $queried_object = get_queried_object();
    $term_id = $queried_object->term_id;
    $tax = $queried_object->taxonomy;

    $args = [
        'format' => 'name',
        'separator' => ', ',
        'link' => false,
        'inclusive' => false
    ];

    $ancestors = get_term_parents_list($term_id, $tax, $args);

    if ($ancestors && is_string($ancestors)) {
        $array[] = esc_attr(wp_strip_all_tags($ancestors));
    }
    
    return $array;
}
add_filter('seopress_titles_template_replace_array', 'sp_titles_template_replace_array');

function sp_get_dynamic_variables($array){
    $array['%%parent_terms_title%%'] = __('Parent terms title', 'my-text-domain');
    
    return $array;
}
add_filter('seopress_get_dynamic_variables', 'sp_get_dynamic_variables');