How can PHP code be optimized to ensure smooth data transfer between form pages and improve user experience?

To optimize PHP code for smooth data transfer between form pages and improve user experience, you can use sessions to store form data temporarily. By storing form data in sessions, you can ensure data persistence across multiple pages and enhance user experience by reducing the need for users to re-enter information.

// Start a session to store form data
session_start();

// Store form data in session variables
$_SESSION['name'] = $_POST['name'];
$_SESSION['email'] = $_POST['email'];
$_SESSION['message'] = $_POST['message'];

// Redirect to the next form page
header('Location: next_form_page.php');
exit();