<?php // Start a new session session_start(); // Destory sessions & redirect to index session_destroy(); session_unset(); // Generate a new session ID session_regenerate_id(true); // Then finally, make sure you pick up the new session ID $session_id = session_id(); unset($_SESSION['user_id']); unset($_SESSION['user_email']); unset($_SESSION['user_type']); unset($_SESSION['user_student_id']); unset($_SESSION['user_fullname']); header("Location: index.php"); ?>