public function add_to_cart_url($url, $product = null) { if (WC_Name_Your_Price_Helpers::is_nyp($product)) { $url = get_permalink($product->id); // disables the ajax add to cart for WC<2.5 if (!WC_Name_Your_Price_Helpers::is_woocommerce_2_5()) { $product->product_type = 'nyp'; } } return $url; }