Small script used to block some countries (based on ipinfodb.com database)

country-blocker.php

<?php
    /**
     * Small script used to block some countries (based on ipinfodb.com database)
     *
     * @author @Heavenstar_ | alexis.chevalier1@gmail.com
     * @version 1.0.0
     */

    $apiKey = 'REPLACE WITH YOUR KEY'; //Get an API key here : http://ipinfodb.com/login.php
    $apiEndpoint = 'http://api.ipinfodb.com/v3/ip-country/';
    $bannedCountries = ['URKAINE', 'UNITED STATES', 'CHINA']; //Replace with your countries
    $redirectURI = 'YOUR REDIRECT URI'; //Replace with your redirect URI

    try {
        
        $ctx = stream_context_create(array('http'=>
            array(
                'timeout' => 2, // 2 seconds before timing out
            )
        ));

        //Fetching location data from ipinfodb's database (@ is for suppressing errors)
        $data = @file_get_contents($apiEndpoint . '?key=' . $apiKey . '&ip=' . $_SERVER['REMOTE_ADDR'], false, $ctx);

        if($data !== FALSE) {
            $parts = explode(';', $data);

            if(isset($parts[4])) {
                $country = $parts[4];

                for($i = 0; $i < sizeof($bannedCountries); $i++) {
                    if($country == $bannedCountries[$i]) {
                        header("Location: " . $redirectURI);
                        exit();
                    }
                }
            }
        } 
    } catch (Exception $e) {}

?>