How can you change the session ID in PHP to ensure better security?

To ensure better security, you can change the session ID in PHP by regenerating the session ID after a user logs in or performs a sensitive action. This helps prevent session fixation attacks where an attacker can hijack a user's session. By changing the session ID, you can invalidate any previously known session IDs and generate a new one for the user.

// Start or resume session
session_start();

// Regenerate session ID
session_regenerate_id(true);