Wordpress Redirect User based on Country and Page ID

wordpress-redirect-user-based-on-country-and-page-id.php

<?php
############################
// Block a country from accessing a certain wordpress page
// Put this script into your functions.php
// Author: craig@123marbella.com 
// Date: 21/9/2017
############################

//define some page id's that you want to block
$array_of_page_ids_to_block = array(
"999",
"888",
);

//define a list of countries you want to block
$array_of_country_codes_to_block = array(
"NO",
"ES",
);

//define the url you want to redirect to
$blocked_redirect_page = "https://www.somedomain.com/";

//check to see if this page is in the list of pages to block
if(in_array(get_the_ID(), $array_of_page_ids_to_block)){

	//grab the country code from ipinfo.io
	$country_code = file_get_contents("https://ipinfo.io/{$_SERVER['REMOTE_ADDR']}/country");
	
	//ipinfo adds a whitespace to the end of the response so filter it out
  	$country_code = trim($country_code);
	
	//check now to see if the country is in the block list
	if(in_array($country_code, $array_of_country_codes_to_block)){
	
		//redirect the user to the $redirect_page
		wp_redirect ($blocked_redirect_page);
	
	}

 }