<?php
    session_start();
    require_once 'app/config.php';

    if(!$db){
        header('Location: app/config.php');
    }

    if(isset($_SESSION['id'])){
        
        if(time()-$_SESSION["login_time_stamp"] > 3600){
            session_unset();
            session_destroy();
            header("Location:login.php");
            $_SESSION['error'] = "session timeout";
        }

    } else {
        header('Location: login.php');
        die();
    }