{// 引入标签库 } function get_user_group($group_id) { $group_name = M("UserGroup")->where("id=".$group_id)->getField("name"); if($group_name) { return $group_name; } else { return l("NO_GROUP"); } } function get_referrals_name($user_id) { $user_name = M("User")->where("id=".$user_id)->getField("user_name"); if($user_name) return $user_name; else return l("NO_REFERRALS"); }