source/Core/ViewConfig.php
public function getActLanguageId()
    {
        if (($sValue = $this->getViewConfigParam('lang')) === null) {
            $iLang = $this->getConfig()->getRequestParameter('lang');
            $sValue = ($iLang !== null) ? $iLang : \OxidEsales\Eshop\Core\Registry::getLang()->getBaseLanguage();
            $this->setViewConfigParam('lang', $sValue);
        }

        return $sValue;
    }
public function getActLanguageId()
    {
        if (($sValue = $this->getViewConfigParam('lang')) === null) {
            $iLang = $this->getConfig()->getRequestParameter('lang');
            $sValue = ($iLang !== null) ? $iLang : \OxidEsales\Eshop\Core\Registry::getLang()->getBaseLanguage();
            $this->setViewConfigParam('lang', $sValue);
        }

        return $sValue;
    }
public function getActLanguageId ( ) { if ( ( $ sValue = $ this -> getViewConfigParam ( 'lang' ) ) === null ) { $ iLang = $ this -> getConfig ( ) -> getRequestParameter ( 'lang' ) ; $ sValue = ( $ iLang !== null ) ? $ iLang : \ OxidEsales \ Eshop \ Core \ Registry :: getLang ( ) -> getBaseLanguage ( ) ; $ this -> setViewConfigParam ( 'lang' , $ sValue ) ; } return $ sValue ; }
Returns session language id

@return string
Returns session language id