Coupon.php

<?php
namespace Bitrix\Main\UpdateSystem;
 
class Coupon
{
    private string $coupon;
 
    public function __construct(string $coupon)
    {
        $this->coupon = $coupon;
    }
 
    public function isCoupone(): bool
    {
        if (!preg_match("#^[A-Z0-9]{3}-[A-Z]{2}-?[A-Z0-9]{12,30}$#i", $this->coupon)
            && !preg_match("#^[A-Z0-9]{3}-[A-Z0-9]{10}-[A-Z0-9]{10}$#i", $this->coupon))
        {
            return false;
        }
 
        return true;
    }
 
    public function getKey(): string
    {
        return $this->coupon;
    }
}