/**
  * 获取版块信息
  *
  * @param string $fids 版块信息列表 空或者0则为全部版块
  * @return array
  */
 public static function getForumInfos($fids = '')
 {
     if ($fids == '' || $fids == '0') {
         $fids = ForumUtils::getForumShowFids();
     } else {
         $fids = ArrayUtils::explode($fids);
     }
     return DzForumForum::getForumInfos($fids);
 }
 public static function getUserGroupsByGids($gids)
 {
     $gids = ArrayUtils::explode($gids);
     $usergroupCacheNames = array();
     foreach ($gids as $gid) {
         $usergroupCacheNames[$gid] = 'usergroup_' . $gid;
     }
     loadcache($usergroupCacheNames);
     $usergroups = array();
     global $_G;
     foreach ($usergroupCacheNames as $gid => $usergroup) {
         $usergroups[$gid] = is_array($_G['cache'][$usergroup]) ? $_G['cache'][$usergroup] : array();
     }
     return $usergroups;
 }
 /**
  * 判断此当前用户是否在安米后台管理允许登陆的用户组内
  *
  * @return bool
  */
 public static function isInAppbymeAdminGroup()
 {
     global $_G;
     $allowUsers = ArrayUtils::explode(WebUtils::getDzPluginAppbymeAppConfig('appbyme_allow_admin_users'));
     $allowGroupIds = unserialize(WebUtils::getDzPluginAppbymeAppConfig('appbyme_allow_admin_usergroups'));
     $allowGroupIds || ($allowGroupIds = array(1));
     return $_G['username'] != '' && in_array($_G['username'], $allowUsers) || in_array($_G['groupid'], $allowGroupIds);
 }