How can sessions be maintained consistently when passing them through the URL in PHP?

When passing sessions through the URL in PHP, it is important to ensure that the session ID is not exposed to potential security risks such as session hijacking. To maintain sessions consistently, you can use session_regenerate_id() to generate a new session ID and prevent session fixation attacks. Additionally, you can store sensitive session data in server-side session variables rather than passing them through the URL. 

<?php
session_start();

// Regenerate session ID to prevent session fixation attacks
session_regenerate_id();

// Store sensitive session data in server-side session variables
$_SESSION['user_id'] = 123;

// Redirect to a secure page
header("Location: secure_page.php");
exit;
?>

Keywords

session URL PHP encryption security

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