Code-Snippets-Functions/Execute a function on a child site/WooCommerce/change-place-order-button-text-to-include-order-total.txt

add_filter('woocommerce_order_button_text', 'place_order_button_with_order_total');
function place_order_button_with_order_total(){
    return sprintf( '%s %s', __( 'Place Order & Pay', 'custom-order-button' ), strip_tags( WC()->cart->get_total() ) );
}