1.3.PHPUUID
<?php
/* Copyright 2006 Maciej Strzelecki
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
function uuid()
{
// version 4 UUID
return sprintf(
`%08x-%04x-%04x-%02x%02x-%012x`,
mt_rand(),
mt_rand(0, 65535),
bindec(substr_replace(
sprintf(`%016b`, mt_rand(0, 65535)), `0100`, 11, 4)
),
bindec(substr_replace(sprintf(`%08b`, mt_rand(0, 255)), `01`, 5, 2)),
mt_rand(0, 255),
mt_rand()
);
}
?>
原文出處：Netkiller 系列 手札
本文作者：陳景峰
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