Core/ExtensionChecker.php
public function getShopId()
    {
        if (is_null($this->shopId)) {
            $this->setShopId(\OxidEsales\Eshop\Core\Registry::getConfig()->getShopId());
        }

        return $this->shopId;
    }
public function getShopId()
    {
        if (is_null($this->shopId)) {
            $this->setShopId(\OxidEsales\Eshop\Core\Registry::getConfig()->getShopId());
        }

        return $this->shopId;
    }
public function getShopId ( ) { if ( is_null ( $ this -> shopId ) ) { $ this -> setShopId ( \ OxidEsales \ Eshop \ Core \ Registry :: getConfig ( ) -> getShopId ( ) ) ; } return $ this -> shopId ; }
Return shop id

@return string
Return shop id