note 64495 added to function.uniqid

This is an implementation of version 4 UUID, which is generating UUIDs from truly-random numbers. <?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() ); } ?> ---- Server IP: 195.136.184.34 Probable Submitter: 213.238.125.33 ---- X-Spam-Status: No, hits=3.1 required=5.0 tests=DATE_MISSING,FROM_NO_LOWER autolearn=no version=2.64 ---- Manual Page -- http://www.php.net/manual/en/function.uniqid.php Edit -- http://master.php.net/note/edit/64495 Del: integrated -- http://master.php.net/note/delete/64495/integrated Del: useless -- http://master.php.net/note/delete/64495/useless Del: bad code -- http://master.php.net/note/delete/64495/bad+code Del: spam -- http://master.php.net/note/delete/64495/spam Del: non-english -- http://master.php.net/note/delete/64495/non-english Del: in docs -- http://master.php.net/note/delete/64495/in+docs Del: other reasons-- http://master.php.net/note/delete/64495 Reject -- http://master.php.net/note/reject/64495 Search -- http://master.php.net/manage/user-notes.php