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<?php
namespace Omnipay\ZipPay\Helper;
abstract class Uuid
{
/**
* Create UUID v4 string
*
* Inspiration from GUI: the guid generator
* @see http://guid.us/GUID/PHP
* @return string UUID v4 as string
*/
public static function create()
// use COM helper if available
if (function_exists('com_create_guid')) {
return com_create_guid();
}
// generate UUID
mt_srand((double) microtime() * 10000); // optional for php 4.2.0 and up.
$charid = strtoupper(md5(uniqid(rand(), true)));
$uuid = join('-', array(
substr($charid, 0, 8),
substr($charid, 8, 4),
substr($charid, 12, 4),
substr($charid, 16, 4),
substr($charid, 20, 12),
));
return $uuid;
* Create a UUID v4 string enclosed by braces
* @return string UUID v4 string with braces
public static function createEnclosed()
return '{' . self::create() . '}';
ignited /
omnipay-zippay
