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<?php
declare(strict_types=1);
namespace Bitrix\Main;
use Bitrix\Main\Security\Random;
class UuidGenerator
{
public static function generateV4(): string
{
$data = Random::getBytes(16);
$data[6] = chr(ord($data[6]) & 0x0f | 0x40);
$data[8] = chr(ord($data[8]) & 0x3f | 0x80);
return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4));
}
}