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 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Amf
  * @subpackage Value
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 /**
  * This is the default Implementation of Message, which provides
  * a convenient base for behavior and association of common endpoints
  *
  * @package    Zend_Amf
  * @subpackage Value
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Amf_Value_Messaging_AbstractMessage
 {
     /**
      * @var string Client identifier
      */
     public $clientId;
 
     /**
      * @var string Destination
      */
     public $destination;
 
     /**
      * @var string Message identifier
      */
     public $messageId;
 
     /**
      * @var int Message timestamp
      */
     public $timestamp;
 
     /**
      * @var int Message TTL
      */
     public $timeToLive;
 
     /**
      * @var object Message headers
      */
     public $headers;
 
     /**
      * @var string Message body
      */
     public $body;
 
     /**
      * generate a unique id
      *
      * Format is: ########-####-####-####-############
      * Where # is an uppercase letter or number
      * example: 6D9DC7EC-A273-83A9-ABE3-00005FD752D6
      *
      * @return string
      */
     public function generateId()
     {
         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()
         );
     }
 }