uuid.php

<?php
 
namespace Bitrix\UI\NotificationManager\Helpers;
 
final class Uuid
{
    public static function getV4(): string
    {
        return sprintf('%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
            random_int(0, 0xffff),
            random_int(0, 0xffff),
            random_int(0, 0xffff),
            random_int(0, 0x0fff) | 0x4000,
            random_int(0, 0x3fff) | 0x8000,
            random_int(0, 0xffff),
            random_int(0, 0xffff),
            random_int(0, 0xffff)
        );
    }
}