How can PHP developers ensure that session data is securely passed between different parts of a website?

To ensure that session data is securely passed between different parts of a website, PHP developers can use session cookies with the "Secure" and "HttpOnly" flags. This helps protect the session data from being accessed by malicious scripts or unauthorized users.

// Set session cookie parameters for increased security
ini_set('session.cookie_secure', 1); // Only send cookies over HTTPS
ini_set('session.cookie_httponly', 1); // Prevent client-side scripts from accessing cookies

// Start the session
session_start();