Sulu\Component\Webspace\Url\ReplacerInterface::appendLocalizationReplacer PHP Method

    public function appendLocalizationReplacer($url);

 /**
  * Localize given domain.
  *
  * @param string $domain
  * @param Localization $locale
  *
  * @return string
  */
 protected function localizeDomain($domain, Localization $locale)
 {
     if (!$this->urlReplacer->hasLocalizationReplacer($domain) && !$this->urlReplacer->hasLanguageReplacer($domain)) {
         $domain = $this->urlReplacer->appendLocalizationReplacer($domain);
     }
     $domain = $this->urlReplacer->replaceLanguage($domain, $locale->getLanguage());
     $domain = $this->urlReplacer->replaceCountry($domain, $locale->getCountry());
     $domain = $this->urlReplacer->replaceLocalization($domain, $locale->getLocalization());
     return $this->urlReplacer->cleanup($domain);
 }