public function deleteSetupDirectory()
    {
        $blDeleteSetupDirectory = true;

        $sConfig = join("", file(getShopBasePath() . "config.inc.php"));
        if (strpos($sConfig, "this->blDelSetupDir = false;") !== false) {
            $blDeleteSetupDirectory = false;
        }

        return $blDeleteSetupDirectory;
    }