Viewing file:  SentryUid.php (1.19 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
<?php
declare(strict_types=1);
namespace Sentry\Util;
/**
* @internal
*/
final class SentryUid
{
/**
* Generate a random "Sentry UID", a UUID version 4 without dashes.
*
* @copyright Fabien Potencier MIT License https://github.com/symfony/polyfill/blob/main/LICENSE
*/
public static function generate(): string
{
if (\function_exists('uuid_create')) {
return strtolower(str_replace('-', '', uuid_create(UUID_TYPE_RANDOM)));
}
$uuid = bin2hex(random_bytes(16));
return sprintf('%08s%04s4%03s%04x%012s',
// 32 bits for "time_low"
substr($uuid, 0, 8),
// 16 bits for "time_mid"
substr($uuid, 8, 4),
// 16 bits for "time_hi_and_version",
// four most significant bits holds version number 4
substr($uuid, 13, 3),
// 16 bits:
// * 8 bits for "clk_seq_hi_res",
// * 8 bits for "clk_seq_low",
// two most significant bits holds zero and one for variant DCE1.1
hexdec(substr($uuid, 16, 4)) & 0x3FFF | 0x8000,
// 48 bits for "node"
substr($uuid, 20, 12)
);
}
}
|