function subterms_for_softwar e_term term_id tt_id var_dump func_get_a

    function subterms_for_software_term( $term_id, $tt_id ) {
        /*var_dump(func_get_args()); die; // Вывод в админке того, какие аргументы передаются функции */
        if ( is_admin() && is_tax( 'software-developers' ) ) {
            $parent_term = get_term($term_id, $tt_id);
            if(!is_wp_error($parent_term)) {
                $taxonomy = 'software-developers';
                wp_insert_term(
                    $parent_term->name.' Bonuses',
                    'software-developers',
                    array(
                        'description' => '',
                        'parent' => $parent_term['term_id'],
                        'slug' => 'bonuses-'.$parent_term->slug,
                    )
                );
                delete_option($taxonomy."_children");
                wp_cache_flush();

                wp_insert_term(
                    $parent_term->name.' Bonuses',
                    'software-developers',
                    array(
                        'description' => '',
                        'parent' => $parent_term['term_id'],
                        'slug' => 'bonuses-'.$parent_term->slug,
                    )
                );
                delete_option($taxonomy."_children");
                wp_cache_flush();
            }
        }
    }
    add_action( 'create_term', 'subterms_for_software_term', 10, 3 );