jessicahawkins3344 · May 22, 2017 19:15
diff --git a/location-cookie.php b/location-cookie.php
 <?php

 add_action( 'wp_loaded', 'set_cookie_redirect');
 function set_cookie_redirect() {
    $cookie_name = ‘location’;

    if (isset($_GET[‘location’])) {
    //url parameter exists - set cookie and redirect
        $location = $_GET[‘location’];
        setcookie($cookie_name, $location, time() + (86400 * 3600), '/'); // 86400 = 1 day
        if(!is_admin()){
            wp_redirect( get_site_url() . $location . '/' ); exit;
        }
    }

    elseif ( is_front_page() ){
    // no url parameter -> redirect IF cookie exists AND is home page
        if(isset($_COOKIE[$cookie_name])) {
            $location = $_COOKIE[$cookie_name];
            if(!is_admin()){
                wp_redirect( get_site_url() . $location . '/' ); exit;
            }
        }
    }
 }
 ?>