Kdyby\Translation\Translator::getAvailableLocales PHP Method

    public function getAvailableLocales()
    {
        $locales = array_keys($this->availableResourceLocales);
        sort($locales);
        return $locales;
    }

 public function getLocale()
 {
     $languages = $this->translator->getAvailableLocales();
     foreach ($languages as $itemL) {
         $result = explode("_", $itemL);
         $iLocale[] = $result[0];
     }
     return $iLocale;
 }