How can variables be passed between multiple PHP pages in a form submission process?

To pass variables between multiple PHP pages in a form submission process, you can use the $_SESSION superglobal array to store and retrieve data across different pages. This allows you to maintain the values of variables throughout the user's session. 

// Page 1: Store form data in session variable
session_start();
$_SESSION['username'] = $_POST['username'];
$_SESSION['email'] = $_POST['email'];

// Page 2: Retrieve form data from session variable
session_start();
$username = $_SESSION['username'];
$email = $_SESSION['email'];

// Use $username and $email as needed

Keywords

PHP form submission variables session POST data

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