/**
  * Configure available Klarna countries in KiTT
  *
  * @param string $option payment option
  *
  * @return void
  */
 public static function configureKlarna($option)
 {
     foreach (KlarnaConstant::getActivated($option) as $country) {
         $eid = KlarnaConstant::merchantID($option, $country);
         $secret = KlarnaConstant::secret($option, $country);
         // if eid or secret is 0, "" or null, ignore this country.
         if (!$eid || !$secret) {
             continue;
         }
         $locale = KiTT::locale($country);
         KiTT::configureKlarna($locale, $eid, $secret);
     }
 }