original_string: public function getLanguageCode($language = null)
      {
          if ($language === null) {
              $language = $this->_language;
          }
          $code = KlarnaLanguage::getCode($language);
  
          return (string) $code;
      }
code: public function getLanguageCode($language = null)
      {
          if ($language === null) {
              $language = $this->_language;
          }
          $code = KlarnaLanguage::getCode($language);
  
          return (string) $code;
      }
code_tokens: public function getLanguageCode ( $ language = null ) { if ( $ language === null ) { $ language = $ this -> _language ; } $ code = KlarnaLanguage :: getCode ( $ language ) ; return ( string ) $ code ; }
docstring: Returns the language code for the set language constant.
  
  @param int $language {@link KlarnaLanguage Language} constant.
  
  @return string Two letter code, e.g. "da", "de", etc.
docstring_tokens: Returns the language code for the set language constant .