PHP modUser::isMember示例

 /**
  * See if the user is the last member in the administrators group
  * @return boolean
  */
 public function isLastUserInAdministrators()
 {
     $last = false;
     /** @var modUserGroup $group */
     $group = $this->modx->getObject('modUserGroup', array('name' => 'Administrator'));
     if ($group && $this->object->isMember('Administrator')) {
         $numberInAdminGroup = $this->modx->getCount('modUserGroupMember', array('user_group' => $group->get('id')));
         if ($numberInAdminGroup <= 1) {
             $last = true;
         }
     }
     return $last;
 }