public function getLanguage() {
        if (!isset($this->respondentLanguage)) {
            $this->respondentLanguage = $this->_gemsData['grs_iso_lang'];
        }
        return $this->respondentLanguage;
    }
public function getLanguage() {
        if (!isset($this->respondentLanguage)) {
            $this->respondentLanguage = $this->_gemsData['grs_iso_lang'];
        }
        return $this->respondentLanguage;
    }
public function getLanguage ( ) { if ( ! isset ( $ this -> respondentLanguage ) ) { $ this -> respondentLanguage = $ this -> _gemsData [ 'grs_iso_lang' ] ; } return $ this -> respondentLanguage ; }
Get the respondents prefered language
@return string
Get the respondents prefered language