public static function getAll()
    {
        $aShopIds = DatabaseProvider::getDb()->getCol('SELECT oxid FROM oxshops');
        $aConfigs = array();

        foreach ($aShopIds as $mShopId) {
            // Note: not using static::get() for avoiding checking of is shop id valid
            $aConfigs[] = new ShopConfig($mShopId);
        }

        return $aConfigs;
    }