public static function currentSite($siteId = null)
{
$_this = Sites::getInstance();
self::$_site = $_this->_getSite($siteId);
$_this->_overrideSetting(array('title', 'tagline', 'theme', 'timezone', 'locale', 'status'));
if (!empty(self::$_site['SiteMeta'])) {
$_this->_overrideMeta();
}
CakeSession::write(self::$_sessionKey, self::$_site);
return self::$_site;
}