Qui pourrait m'aidez SVP

Bonjour,
Est-ce que vous pourriez m'aidez a trouver une erreur que je n'arrive pas déceler sur mon code.

Voici l'erreur: Parse error: syntax error, unexpected $end in /catalog/admin/includes/functions/sessions.php on line 168

Voici mon code:<?php
/*
$Id: sessions.php,v 1.9 2003/06/23 01:20:05 hpdl Exp $

osCommerce, Open Source E-Commerce Solutions
http://www.oscommerce.com

Copyright (c) 2007 osCommerce

Released under the GNU General Public License
*/

if (STORE_SESSIONS == 'mysql') {
if (!$SESS_LIFE = get_cfg_var('session.gc_maxlifetime')) {
$SESS_LIFE = 1440;
}

function _sess_open($save_path, $session_name) {
return true;
}

function _sess_close() {
return true;
}

function _sess_read($key) {
$value_query = tep_db_query("select value from " . TABLE_SESSIONS . " where sesskey = '" . tep_db_input($key) . "' and expiry > '" . time() . "'");
$value = tep_db_fetch_array($value_query);

if (isset($value['value'])) {
return $value['value'];
}

return false;
}

function _sess_write($key, $val) {
global $SESS_LIFE;

$expiry = time() + $SESS_LIFE;
$value = $val;

$check_query = tep_db_query("select count(*) as total from " . TABLE_SESSIONS . " where sesskey = '" . tep_db_input($key) . "'");
$check = tep_db_fetch_array($check_query);

if ($check['total'] > 0) {
return tep_db_query("update " . TABLE_SESSIONS . " set expiry = '" . tep_db_input($expiry) . "', value = '" . tep_db_input($value) . "' where sesskey = '" . tep_db_input($key) . "'");
} else {
return tep_db_query("insert into " . TABLE_SESSIONS . " values ('" . tep_db_input($key) . "', '" . tep_db_input($expiry) . "', '" . tep_db_input($value) . "')");
}
}

function _sess_destroy($key) {
return tep_db_query("delete from " . TABLE_SESSIONS . " where sesskey = '" . tep_db_input($key) . "'");
}

function _sess_gc($maxlifetime) {
tep_db_query("delete from " . TABLE_SESSIONS . " where expiry < '" . time() . "'");

return true;
}

session_set_save_handler('_sess_open', '_sess_close', '_sess_read', '_sess_write', '_sess_destroy', '_sess_gc');
}

function tep_session_start() {
global $HTTP_GET_VARS, $HTTP_POST_VARS, $HTTP_COOKIE_VARS;

$sane_session_id = true;

if (isset($HTTP_GET_VARS[tep_session_name()])) {
if (preg_match('/^[a-zA-Z0-9]+$/', $HTTP_GET_VARS[tep_session_name()]) == false) {
unset($HTTP_GET_VARS[tep_session_name()]);

$sane_session_id = false;
}
} elseif (isset($HTTP_POST_VARS[tep_session_name()])) {
if (preg_match('/^[a-zA-Z0-9]+$/', $HTTP_POST_VARS[tep_session_name()]) == false) {
unset($HTTP_POST_VARS[tep_session_name()]);

$sane_session_id = false;
}
} elseif (isset($HTTP_COOKIE_VARS[tep_session_name()])) {
if (preg_match('/^[a-zA-Z0-9]+$/', $HTTP_COOKIE_VARS[tep_session_name()]) == false) {
$session_data = session_get_cookie_params();

setcookie(tep_session_name(), '', time()-42000, $session_data['path'], $session_data['domain']);

$sane_session_id = false;
}
}

if ($sane_session_id == false) {
tep_redirect(tep_href_link(FILENAME_DEFAULT, '', 'NONSSL', false));
}

return session_start();
}

function tep_session_register($variable) {
if (PHP_VERSION < 4.3) {
return session_register($variable);
} else {
if (isset($GLOBALS[$variable])) {
$_SESSION[$variable] =& $GLOBALS[$variable];
} else {
$_SESSION[$variable] = null;
}
$GLOBALS[$variable] =& $_SESSION[$variable];
}

return false;
}

function tep_session_is_registered($variable) {
if (PHP_VERSION < 4.3) {
return session_is_registered($variable);
} else {
return isset($_SESSION[$variable]);
}
}

function tep_session_unregister($variable) {
if (PHP_VERSION < 4.3) {
return session_unregister($variable);
} else {
unset($_SESSION[$variable]);
}
}

function tep_session_id($sessid = '') {
if ($sessid != '') {
return session_id($sessid);
} else {
return session_id();
}
}

function tep_session_name($name = '') {
if ($name != '') {
return session_name($name);
} else {
return session_name();
}
}

function tep_session_close() {
if (PHP_VERSION >= '4.0.4') {
return session_write_close();
} elseif (function_exists('session_close')) {
return session_close();
}
}

function tep_session_destroy() {
return session_destroy();
}

function tep_session_save_path($path = '') {
if (STORE_SESSIONS != 'mysql')} {
if ($path != '')} {
return session_save_path($path);
} else {
return session_save_path();
}
}
?>