'Contributor', 'wp-mail-logging');
            case 'Subscriber':
                return __('Subscriber', 'wp-mail-logging');
            case 'Anyone':
                return __('Anyone', 'wp-mail-logging');
        }
        return $optionValue;
    }

    /**
     * Query MySQL DB for its version
     * @return string|false
     */
    protected function getMySqlVersion() {
        global $wpdb;
        $rows = $wpdb->get_results('select version() as mysqlversion');
        if (!empty($rows)) {
            return $rows[0]->mysqlversion;
        }
        return false;
    }

    /**
     * If you want to generate an email address like "no-reply@your-site.com" then
     * you can use this to get the domain name part.
     * E.g.  'no-reply@' . $this->getEmailDomain();
     * This code was stolen from the wp_mail function, where it generates a default
     * from "wordpress@your-site.com"
     * @return string domain name
     */
    public function getEmailDomain() {
        // Get the site domain and get rid of www.
        $sitename = strtolower($_SERVER['SERVER_NAME']);
        if (substr($sitename, 0, 4) == 'www.') {
            $sitename = substr($sitename, 4);
        }
        return $sitename;
    }
}