library/Zend/Version.php

   1 <?php
   2 /**
   3  * Zend Framework
   4  *
   5  * LICENSE
   6  *
   7  * This source file is subject to the new BSD license that is bundled
   8  * with this package in the file LICENSE.txt.
   9  * It is also available through the world-wide-web at this URL:
  10  * http://framework.zend.com/license/new-bsd
  11  * If you did not receive a copy of the license and are unable to
  12  * obtain it through the world-wide-web, please send an email
  13  * to license@zend.com so we can send you a copy immediately.
  14  *
  15  * @category   Zend
  16  * @package    Zend_Version
  17  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  18  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  19  * @version    $Id$
  20  */
  21
  22 /**
  23  * Class to store and retrieve the version of Zend Framework.
  24  *
  25  * @category   Zend
  26  * @package    Zend_Version
  27  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  28  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  29  */
  30 final class Zend_Version
  31 {
  32     /**
  33      * Zend Framework version identification - see compareVersion()
  34      */
  35     const VERSION = '1.11.0dev';
  36
  37     /**
  38      * Compare the specified Zend Framework version string $version
  39      * with the current Zend_Version::VERSION of Zend Framework.
  40      *
  41      * @param  string  $version  A version string (e.g. "0.7.1").
  42      * @return boolean           -1 if the $version is older,
  43      *                           0 if they are the same,
  44      *                           and +1 if $version is newer.
  45      *
  46      */
  47     public static function compareVersion($version)
  48     {
  49         $version = strtolower($version);
  50         $version = preg_replace('/(\d)pr(\d?)/', '$1a$2', $version);
  51         return version_compare($version, strtolower(self::VERSION));
  52     }
  53 }