How to solve repeated PHP login-php Tutorial

Source: Internet
Author: User
Ask for a solution for repeated PHP login and provide relevant articles. all the information is required... thank you all... some are .. if it is not enough, you will receive another gift ..... ------ solution ------------------ set the session variable in the database to solve the problem. pay attention to the effective time. for details, refer to the discuz code, let's look at PW's text-based solution ------ solution ---------- solve the problem of repeated PHP login
Relevant articles are provided. all materials are supported...
Thank you all... some points... if you are not enough, you will receive another gift .....

------ Solution --------------------
You can solve this problem by setting the session variable in the database. pay attention to the effective time. for details, refer to the discuz-related code. if you do not think it is easy to solve the problem, refer to the PW text-based solution.
------ Solution --------------------
This is not easy to implement, but I have seen a web game that can implement what you said!

If user A logs in and User B logs in with the same account, A dialog box appears,
It's good to remind someone on which IP address and when to log in!

I won't talk about games, so I won't say I am advertising !~

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