freenetis-github/application/helpers/guid.php @ 31ca0a32
| 31ca0a32 | Michal Kliment | <?php defined('SYSPATH') or die('No direct script access.');
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/*
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* This file is part of open source system FreenetIS
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* and it is released under GPLv3 licence.
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*
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* More info about licence can be found:
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* http://www.gnu.org/licenses/gpl-3.0.html
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*
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* More info about project can be found:
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* http://www.freenetis.org/
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*
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*/
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/**
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* Helper for generating GUIDs
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*
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* @author Jan Dubina
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*/
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class guid
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{
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public static function getGUID()
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{
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mt_srand((double) microtime() * 10000);
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$charid = strtoupper(md5(uniqid(rand(), true)));
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$hyphen = chr(45); // "-"
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$uuid = substr($charid, 0, 8) . $hyphen
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. substr($charid, 8, 4) . $hyphen
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. substr($charid, 12, 4) . $hyphen
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. substr($charid, 16, 4) . $hyphen
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. substr($charid, 20, 12);
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return $uuid;
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}
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}
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