public function getSiteDefaultLanguage()
    {
        if (is_null($this->currentLanguage)) {
            $this->currentLanguage = $this->getSite()['defaultLanguage'];
        }

        return $this->currentLanguage;
    }
public function getSiteDefaultLanguage()
    {
        if (is_null($this->currentLanguage)) {
            $this->currentLanguage = $this->getSite()['defaultLanguage'];
        }

        return $this->currentLanguage;
    }
public function getSiteDefaultLanguage ( ) { if ( is_null ( $ this -> currentLanguage ) ) { $ this -> currentLanguage = $ this -> getSite ( ) [ 'defaultLanguage' ] ; } return $ this -> currentLanguage ; }
Get the default language of the current site

@return string
Get the default language of the current site