hi can you please solve this problem
I have PHP object in from mailgun, now i want to echo user-varibles from this object but there something wrong

    <?php foreach ($mailresult->http_response_body->items as $key => $value): ?>
        <?= $value->user-varibles->order_id ?>  /**i want to echo this order_id **/
    <?php endforeach; ?>   
 
    