WooCommerce Tax Display by Country - Redirect users

/**
 * Aelia Tax Display by Country - Redirect users to a different URL depending on
 * their country.
 *
 * HOW TO USE THIS CODE
 * Simply add the code to the bottom of your theme's functions.php file, and it
 * will run automatically. For more information: https://www.skyverge.com/blog/add-custom-code-to-wordpress/
 *
 * GPL DISCLAIMER
 * Because this code program is free of charge, there is no warranty for it, to the extent permitted by applicable law.
 * Except when otherwise stated in writing the copyright holders and/or other parties provide the program "as is"
 * without warranty of any kind, either expressed or implied, including, but not limited to, the implied warranties of
 * merchantability and fitness for a particular purpose. The entire risk as to the quality and performance of the program
 * is with you. should the program prove defective, you assume the cost of all necessary servicing, repair or correction.
 *
 * Need a consultation, or assistance to customise this code? Find us on Codeable: https://aelia.co/hire_us
 */
add_action('template_redirect', function() {
  if(empty($_COOKIE['aelia_customer_country'])) {
    return;
  }

  // Redirect US customers to a dedicated URL
  if($_COOKIE['aelia_customer_country'] === 'US') {
    wp_redirect('us.my-domain.com');
    exit;
  }
}, 1);