WC_Product_Data_Store_CPT::get_shipping_class_id_by_slug PHP 메소드

    public function get_shipping_class_id_by_slug($slug)
    {
        $shipping_class_term = get_term_by('slug', $slug, 'product_shipping_class');
        if ($shipping_class_term) {
            return $shipping_class_term->term_id;
        } else {
            return false;
        }
    }