ElggInstaller::createDataDirectory PHP Method

    protected function createDataDirectory(&$submissionVars, $formVars)
    {
        // did the user have option of Elgg creating the data directory
        if ($formVars['dataroot']['type'] != 'combo') {
            return TRUE;
        }
        // did the user select the option
        if ($submissionVars['dataroot'] != 'dataroot-checkbox') {
            return TRUE;
        }
        $dir = sanitise_filepath($submissionVars['path']) . 'data';
        if (file_exists($dir) || mkdir($dir, 0700)) {
            $submissionVars['dataroot'] = $dir;
            if (!file_exists("{$dir}/.htaccess")) {
                $htaccess = "Order Deny,Allow\nDeny from All\n";
                if (!file_put_contents("{$dir}/.htaccess", $htaccess)) {
                    return FALSE;
                }
            }
            return TRUE;
        }
        return FALSE;
    }