%s %s', esc_url( $product->add_to_cart_url() ), esc_attr( isset( $quantity ) ? $quantity : 1 ), esc_attr( $product->get_id() ), esc_attr( $product->get_sku() ), esc_attr( isset( $class ) ? $class : 'button' ), esc_attr( $product->add_to_cart_text() ), wp_kses_post( ''.$product->add_to_cart_text().'' ), wp_kses_post( '' ) ), $product );