Current File : //opt/cloudlinux/alt-php53/root/usr/share/pear/Object/Freezer/IdGenerator/UUID.php
<?php
/**
* Object_Freezer
*
* Copyright (c) 2008-2011, Sebastian Bergmann <sb@sebastian-bergmann.de>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of Sebastian Bergmann nor the names of his
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @package Object_Freezer
* @author Sebastian Bergmann <sb@sebastian-bergmann.de>
* @copyright 2008-2011 Sebastian Bergmann <sb@sebastian-bergmann.de>
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
* @since File available since Release 1.0.0
*/
require_once 'Object/Freezer/IdGenerator.php';
/**
* Implementation of Object_Freezer_IdGenerator that uses UUIDs as object IDs.
*
* @package Object_Freezer
* @author Sebastian Bergmann <sb@sebastian-bergmann.de>
* @copyright 2008-2011 Sebastian Bergmann <sb@sebastian-bergmann.de>
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
* @version Release: 1.0.0
* @link http://github.com/sebastianbergmann/php-object-freezer/
* @since Interface available since Release 1.0.0
*/
class Object_Freezer_IdGenerator_UUID implements Object_Freezer_IdGenerator
{
/**
* This implementation of UUID generation is based on code from a note
* made on the PHP documentation.
*
* @return string
* @link http://de3.php.net/manual/en/function.uniqid.php#69164
*/
public function getId()
{
return sprintf(
'%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
mt_rand(0, 0xffff), mt_rand(0, 0xffff), mt_rand(0, 0xffff),
mt_rand(0, 0x0fff) | 0x4000,
mt_rand(0, 0x3fff) | 0x8000,
mt_rand(0, 0xffff), mt_rand(0, 0xffff), mt_rand(0, 0xffff)
);
}
}
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