PHP GWF_Session::getOnlineSessions示例

 public static function displayHeaderOnline(Module_WeChall $module, $max = 20)
 {
     $sessions = GWF_Session::getOnlineSessions();
     $back = '';
     $text = '';
     $more = '';
     $names = 0;
     $online = 0;
     foreach ($sessions as $sess) {
         $sess instanceof GWF_Session;
         $count = $sess->getVar('sessioncount');
         $online += $count;
         if (NULL !== ($user = $sess->getVar('sess_user'))) {
             if (!$user instanceof GWF_User) {
                 continue;
             }
             if ($user->getID() === NULL || $user->isOptionEnabled(GWF_User::HIDE_ONLINE)) {
                 continue;
             }
             $names++;
             if ($names <= $max) {
                 $multi = $count > 1 ? "(x{$count})" : '';
                 $text .= sprintf(', <a href="%s" title="%s">%s%s</a>', $user->getProfileHREF(), $module->lang('a_title', array($user->getVar('user_level'))), $user->displayUsername(), $multi);
             } else {
                 $more = self::onlineMoreAnchor($module);
                 break;
             }
         }
     }
     // 		$back .= '<div class="wc_head_bigbox" style="max-width:30%;">';
     $back .= '<div class="wc_head_bigbox" style="float:none;">';
     $back .= '<div class="wc_head_title"><a href="' . GWF_WEB_ROOT . 'users/with/All/by/user_lastactivity/DESC/page-1">' . $module->lang('head_online', array($online)) . '</a></div>';
     $back .= '<div class="wc_head_online">';
     return $back . substr($text, 2) . $more . '</div></div>' . PHP_EOL;
 }