whmcsDNSManager/modules/addons/DNSManager2/mgLibs/custom/helpers/AddonHelper.php

<?php

namespace MGModule\DNSManager2\mgLibs\custom\helpers;

use \MGModule\DNSManager2\mgLibs\MySQL\query;

class AddonHelper
{
    public static function getSettingValue($addon, $setting)
    {
        return query::query('SELECT value FROM tbladdonmodules 
            WHERE module = :addon AND setting = :setting', array('addon' => $addon, 'setting' => $setting))->fetchColumn();
    }
    
    public static function isAddonTurnedON($addon) {
        $version = self::getAddonVerison($addon);
        return empty($version)?false:true;
    }
    
    public static function getAddonVerison($addon) {
        return self::getSettingValue($addon, 'version');
    }
}