How to ban domestic IP from accessing the website in PHP

php method to ban domestic ip from accessing the website: 1. Obtain the ip address through "$_SERVER['REMOTE_ADDR']"; 2. Through "if((!empty($banned['data'][' country_id']){...}" determine and prohibit domestic IP from accessing the website.

The operating environment of this article: Windows 7 system, PHP version 7.1, DELL G3 Computer

How to prohibit domestic IPs from accessing the website in php?

Use php code to restrict domestic IPs from accessing our website

##Principle:

Use Taobao’s IP interface to determine whether the IP is a domestic IP. If it is domestic (CN), access is not allowed.

The code is as follows:

$ip = $_SERVER['REMOTE_ADDR'];
$content = file_get_contents(‘http://ip.taobao.com/service/getIpInfo.php?ip=’.$ip);
$banned = json_decode(trim($content), true);
$lan = strtolower($_SERVER['HTTP_ACCEPT_LANGUAGE']);
if((!empty($banned['data']['country_id']) && $banned['data']['country_id'] == ‘CN’) || strstr($lan, ‘zh’))
{
header(“HTTP/1.0 404 Not Found”);
echo ‘HTTP/1.0 404 Not Found’;
exit;
}

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