How can PHP developers ensure that session IDs are retained even when users reload the browser in a frame-based website?

When users reload the browser in a frame-based website, the session ID may be lost if it is not properly managed. PHP developers can ensure that session IDs are retained by setting the session cookie parameters to have a longer expiration time and by using session_regenerate_id() to regenerate the session ID on each page load.

// Set session cookie parameters with a longer expiration time
session_set_cookie_params(3600, '/', '.example.com', true, true);

// Start the session
session_start();

// Regenerate session ID on each page load
session_regenerate_id(true);