WC_Install::create_terms PHP Метод

    private static function create_terms()
    {
        $taxonomies = array('product_type' => array('simple', 'grouped', 'variable', 'external'));
        foreach ($taxonomies as $taxonomy => $terms) {
            foreach ($terms as $term) {
                if (!get_term_by('slug', sanitize_title($term), $taxonomy)) {
                    wp_insert_term($term, $taxonomy);
                }
            }
        }
    }