get_id(); } else { $agency_starter_prod_id = $product->id; } echo apply_filters( 'woocommerce_loop_add_to_cart_link', sprintf( '%6$s', esc_url( $product->add_to_cart_url() ), absint( isset( $quantity ) ? $quantity : 1 ), esc_attr( $agency_starter_prod_id ), esc_attr( $product->get_sku() ), esc_attr( isset( $class ) ? $class : 'button' ), esc_html( $product->add_to_cart_text() ) ), $product );