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<?php defined('SYSPATH') or die('No direct script access.');
/*
* This file is part of open source system FreenetIS
* and it is released under GPLv3 licence.
*
* More info about licence can be found:
* http://www.gnu.org/licenses/gpl-3.0.html
*
* More info about project can be found:
* http://www.freenetis.org/
*
*/

/**
* Helper for generating GUIDs
*
* @author Jan Dubina
*/
class guid
{
public static function getGUID()
{
mt_srand((double) microtime() * 10000);
$charid = strtoupper(md5(uniqid(rand(), true)));
$hyphen = chr(45); // "-"
$uuid = substr($charid, 0, 8) . $hyphen
. substr($charid, 8, 4) . $hyphen
. substr($charid, 12, 4) . $hyphen
. substr($charid, 16, 4) . $hyphen
. substr($charid, 20, 12);
return $uuid;
}

}
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