How can the session data be maintained and not lost when navigating between different pages in PHP?

Session data can be maintained and not lost when navigating between different pages in PHP by starting a session at the beginning of each page where you want to access the session data. This allows the session variables to persist across multiple pages during a user's visit to the website. 

<?php
// Start the session
session_start();

// Set session variables
$_SESSION['username'] = 'JohnDoe';
$_SESSION['email'] = 'johndoe@example.com';

// Access session variables on other pages
echo 'Username: ' . $_SESSION['username'];
echo 'Email: ' . $_SESSION['email'];
?>

Keywords

Session data PHP $_SESSION session_start session variables

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