/Object/Freezer/IdGenerator/UUID.php
PHP | 76 lines | 15 code | 2 blank | 59 comment | 0 complexity | 19863ce3a68ee75456890f70803faf3b MD5 | raw file
- <?php
- /**
- * Object_Freezer
- *
- * Copyright (c) 2008-2012, 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 2008-2012 Sebastian Bergmann <sb@sebastian-bergmann.de>
- * @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause 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 2008-2012 Sebastian Bergmann <sb@sebastian-bergmann.de>
- * @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
- * @version Release: @package_version@
- * @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)
- );
- }
- }