exs

    $page = !isset($_GET['page']) ? 1 : (int)$_GET['page'];
    $user = !isset($_GET['user']) ? null : $_GET['user'];
    $admincp = !isset($_GET['admincp']) ? null : $_GET['admincp'];
    $news = !isset($_GET['news']) ? null : (int)$_GET['news'];
    $miniblog = !isset($_GET['miniblog']) ? null : (int)$_GET['miniblog'];
    $pm = !isset($_GET['pm']) ? null : $_GET['pm'];
    $pm_id = !isset($_GET['pm']) ? null : (int)$_GET['pm'];
    $sent = !isset($_GET['sent']) ? null : (int)$_GET['sent'];
    $reply = !isset($_GET['replyto']) ? null : (int)$_GET['replyto'];
    switch ($_SERVER['REQUEST_URI']) {
        case '/news':
            include 'scripts/news.php';
            break;
        case '/?news=' . $news:
            include 'scripts/newspage.php';
            break;
        case '/?page=' . $page:
            include 'scripts/news.php';
            break;
        case '/?register':
            if (logged_in()) {
                header('Location: index.php');
            } else {
                include 'scripts/register.php';
            }
            break;
        case '/?pm=write&success=1':
            include 'scripts/write_pm.php';
            break;
        case '/?chat':
            include 'scripts/chat.php';
            break;
        case '/?pm':
            if (!logged_in()) {
                header('Location: index.php');
            } else {
                include 'scripts/pm.php';
            }
            break;
        case '/?pm=' . $pm_id:
            if (!logged_in()) {
                header('Location: index.php');
            } else {
                include 'scripts/message.php';
            }
            break;
        case '/?pm=write':
            if (!logged_in()) {
                header('Location: index.php');
            } else {
                include 'scripts/write_pm.php';
            }
            break;
        case '/?pm&replyto=' . $reply:
            if (!logged_in()) {
                header('Location: index.php');
            } else {
                include 'scripts/reply.php';
            }
            break;
        case '/?pm=sent':
            if (!logged_in()) {
                header('Location: index.php');
            } else {
                include 'scripts/sent_pm.php';
            }
            break;
        case '/?pm&sent=' . $sent:
            if (!logged_in()) {
                    header('Location: index.php');
                } else {
                    include 'scripts/sent.php';
                }
            break;
        case '/?miniblog=' . $miniblog:
            include 'scripts/blogspage.php';
            break;
        case '/?miniblog=' . $miniblog . '&page=' . $page:
            include 'scripts/blogspage.php';
            break;
        case '/?miniblogs':
            include 'scripts/miniblogs.php';
            break;
        case '/?miniblogs&page=' . $page:
            include 'scripts/miniblogs.php';
            break;
        case '/?addblog':
            include 'scripts/addblog.php';
            break;
        case '/?profile':
            if (logged_in()) {
                include 'scripts/profile.php';
            } else {
                header('Location: index.php');
            }
            break;
        case '/?news=' . $news . '&page=' . $page:
            include 'scripts/newspage.php';
            break;
        case '/?admincp':
            if (is_admin($user_data['id']) == 1) {
                include 'scripts/admincp.php';
            } else {
                header('Location: index.php');
            }
            break;
        case '/?admincp=' . $admincp:
            if (is_admin($user_data['id']) == 1) {
                include 'scripts/admincp.php';
            } else {
                header('Location: index.php');
            }
            break;
        case '/?logout':
            include 'scripts/logout.php';
            break;
        case '/?users':
            include 'scripts/users.php';
            break;
        case '/?user=' . $user:
            include 'scripts/user.php';
            break;
        //default:
            //include 'scripts/news.php';