index.php

<?php
/*
 * JohnCMS NEXT Mobile Content Management System (http://johncms.com)
 *
 * For copyright and license information, please see the LICENSE.md
 * Installing the system or redistributions of files must retain the above copyright notice.
 *
 * @link        http://johncms.com JohnCMS Project
 * @copyright   Copyright (C) JohnCMS Community
 * @license     GPL-3
 */

define('_IN_JOHNCMS', 1);

require('system/bootstrap.php');

$act = isset($_GET['act']) ? trim($_GET['act']) : '';


if (isset($_SESSION['ref'])) {
    unset($_SESSION['ref']);
}

if (isset($_GET['err'])) {
    $act = 404;
}

switch ($act) {
    case '404':
        /** @var Johncms\Tools $tools */
        $tools = App::getContainer()->get('tools');

        $headmod = 'error404';
        require('system/head.php');
        echo $tools->displayError(_t('The requested page does not exists'));
        break;

    default:
        // Главное меню сайта
        if (isset($_SESSION['ref'])) {
            unset($_SESSION['ref']);
        }
        $headmod = 'mainpage';
        require('system/head.php');
        include 'system/mainmenu.php';
}

require('system/end.php');