This is a comment on 希望添加“查询一个用户是否在线”功能, posted by WikiAdmin at 24.01.2023 15:34

View source for Re: 希望添加“查询一个用户是否在线”功能

Out of the Box you can only check against the auth_token table who has a valid session, but this is only an indicator if these users are actually online. 

You have to write a JS script thats report back who is online if you need more accurate data.