mobile.php

<?php
 
namespace Bitrix\Forum\Provider;
 
class Mobile
{
    public function isMobileAppInstalled(): bool
    {
        if (\CUserOptions::GetOption('mobile', 'iOsLastActivityDate') !== false)
        {
            return true;
        }
 
        if (\CUserOptions::GetOption('mobile', 'AndroidLastActivityDate') !== false)
        {
            return true;
        }
 
        return false;
    }
}