click.php

<?php

/**
 * Скрипт перенаправления внешних ссылок.
 *
 * @copyright Copyright (C) 2008 PunBB, partially based on code copyright (C) 2008 FluxBB.org
 * @modified Copyright (C) 2014-2018 Flazy
 * @license http://www.gnu.org/licenses/gpl.html GPL версии 2 или выше
 * @package Flazy
 */
if (!defined('FORUM_ROOT'))
    define('FORUM_ROOT', './');
require FORUM_ROOT . 'include/common.php';

$return = ($hook   = get_hook('cl_fl_start')) ? eval($hook) : null;
if ($return != null)
    return;

if (isset($_SERVER['QUERY_STRING'])) {
    if (preg_match('#^(http|ftp|https|news|file)://(\S+)$#i', $_SERVER['QUERY_STRING'])) {
        header('HTTP/1.1 303 See Other');
        header('Location: ' . $_SERVER['QUERY_STRING']);

        ($hook = get_hook('cl_preg')) ? eval($hook) : null;
    } else {
        header('Location: ./');
        die;

        ($hook = get_hook('cl_fl_die')) ? eval($hook) : null;
    }
}

($hook = get_hook('cl_fl_end')) ? eval($hook) : null;