index.php smarty гостевая книга

<?php
require_once ('../smarty/libs/Smarty.class.php');
require_once ('../cls/GuestBook.class.php');
require_once ('../conn.php');
$smarty = new Smarty;
$smarty->template_dir = '/web/templates/';
$smarty->compile_dir = '/web/templates_c/';
$smarty->config_dir = '/web/configs/';
$smarty->cache_dir = '/web/cache/';

$row = $conn->query("SELECT * FROM `gb`");
while ($rw = $row->fetch()) {
    $smarty->assign('title', 'Main Page', 'rw', $rw);
}
$smarty->display('templates/index.tpl');