How can PHP sessions be effectively utilized to store temporary data during an installation process?

During an installation process, PHP sessions can be effectively utilized to store temporary data such as user inputs or installation progress. This allows the data to persist across multiple pages without the need to pass it through URLs or forms. By storing the data in sessions, it can be easily accessed and updated as needed throughout the installation process.

// Start the session
session_start();

// Store temporary data in session variables
$_SESSION['username'] = $_POST['username'];
$_SESSION['email'] = $_POST['email'];

// Retrieve and use the stored data
$username = $_SESSION['username'];
$email = $_SESSION['email'];

// Clear session data once installation is complete
session_unset();
session_destroy();