如何使帖子只显示1个或2个国家[关闭]

Question

I have no idea, how to make a post visible only to one or 2 countries. How will the code gets to know, from which country the user is? Give me some hints and tips. It should be without making any account.

Answer 1

There are a lot of server variables like $_SERVER["REMOTE_ADDR"], $_SERVER['HTTP_CLIENT_IP'] etc by which you can find the logged in user's IP address.

Check out: PHP Server variables

Once you retrieve those, there are quite a few API's which could be used to determine the user's country.

You can use these as references:

1. Getting visitors country from their IP

2. Get Country of IP Address with PHP