private static function getQuickUpdateBar() { if ('0' === ($uid = GWF_Session::getUserID())) { return ''; } $sites = WC_Site::getQuickUpdateSites($uid); $back = ''; if (count($sites) > 0) { foreach ($sites as $site) { $site instanceof WC_Site; $back .= sprintf('<a href="%s">%s</a>', GWF_WEB_ROOT . 'index.php?mo=WeChall&me=LinkedSites&quick_update=' . $site->getVar('site_id'), $site->displayLogo(20, $site->getVar('site_name'), false)); } return sprintf('<div id="wc_qupdatebar">%s: %s</div>', self::lang('th_quickupdate'), $back); } return ''; }