library/Zend/Measure/Time.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_Measure
  17  * @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
  18  * @license   http://framework.zend.com/license/new-bsd     New BSD License
  19  * @version   $Id: Time.php 16971 2009-07-22 18:05:45Z mikaelkael $
  20  */
  21
  22 /**
  23  * Implement needed classes
  24  */
  25 require_once 'Zend/Measure/Abstract.php';
  26 require_once 'Zend/Locale.php';
  27
  28 /**
  29  * Class for handling time conversions
  30  *
  31  * @category   Zend
  32  * @package    Zend_Measure
  33  * @subpackage Zend_Measure_Time
  34  * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
  35  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  36  */
  37 class Zend_Measure_Time extends Zend_Measure_Abstract
  38 {
  39     const STANDARD = 'SECOND';
  40
  41     const ANOMALISTIC_YEAR  = 'ANOMALISTIC_YEAR';
  42     const ATTOSECOND        = 'ATTOSECOND';
  43     const CENTURY           = 'CENTURY';
  44     const DAY               = 'DAY';
  45     const DECADE            = 'DECADE';
  46     const DRACONIC_YEAR     = 'DRACONTIC_YEAR';
  47     const EXASECOND         = 'EXASECOND';
  48     const FEMTOSECOND       = 'FEMTOSECOND';
  49     const FORTNIGHT         = 'FORTNIGHT';
  50     const GAUSSIAN_YEAR     = 'GAUSSIAN_YEAR';
  51     const GIGASECOND        = 'GIGASECOND';
  52     const GREGORIAN_YEAR    = 'GREGORIAN_YEAR';
  53     const HOUR              = 'HOUR';
  54     const JULIAN_YEAR       = 'JULIAN_YEAR';
  55     const KILOSECOND        = 'KILOSECOND';
  56     const LEAPYEAR          = 'LEAPYEAR';
  57     const MEGASECOND        = 'MEGASECOND';
  58     const MICROSECOND       = 'MICROSECOND';
  59     const MILLENIUM         = 'MILLENIUM';
  60     const MILLISECOND       = 'MILLISECOND';
  61     const MINUTE            = 'MINUTE';
  62     const MONTH             = 'MONTH';
  63     const NANOSECOND        = 'NANOSECOND';
  64     const PETASECOND        = 'PETASECOND';
  65     const PICOSECOND        = 'PICOSECOND';
  66     const QUARTER           = 'QUARTER';
  67     const SECOND            = 'SECOND';
  68     const SHAKE             = 'SHAKE';
  69     const SIDEREAL_YEAR     = 'SYNODIC_MONTH';
  70     const TERASECOND        = 'TERASECOND';
  71     const TROPICAL_YEAR     = 'TROPIC_YEAR';
  72     const WEEK              = 'WEEK';
  73     const YEAR              = 'YEAR';
  74
  75     /**
  76      * Calculations for all time units
  77      *
  78      * @var array
  79      */
  80     protected $_units = array(
  81         'ANOMALISTIC_YEAR'  => array('31558432', 'anomalistic year'),
  82         'ATTOSECOND'        => array('1.0e-18', 'as'),
  83         'CENTURY'           => array('3153600000', 'century'),
  84         'DAY'               => array('86400', 'day'),
  85         'DECADE'            => array('315360000', 'decade'),
  86         'DRACONIC_YEAR'     => array('29947974', 'draconic year'),
  87         'EXASECOND'         => array('1.0e+18', 'Es'),
  88         'FEMTOSECOND'       => array('1.0e-15', 'fs'),
  89         'FORTNIGHT'         => array('1209600', 'fortnight'),
  90         'GAUSSIAN_YEAR'     => array('31558196', 'gaussian year'),
  91         'GIGASECOND'        => array('1.0e+9', 'Gs'),
  92         'GREAT_YEAR'        => array(array('*' => '31536000', '*' => '25700'), 'great year'),
  93         'GREGORIAN_YEAR'    => array('31536000', 'year'),
  94         'HOUR'              => array('3600', 'h'),
  95         'JULIAN_YEAR'       => array('31557600', 'a'),
  96         'KILOSECOND'        => array('1000', 'ks'),
  97         'LEAPYEAR'          => array('31622400', 'year'),
  98         'MEGASECOND'        => array('1000000', 'Ms'),
  99         'MICROSECOND'       => array('0.000001', 'µs'),
 100         'MILLENIUM'         => array('31536000000', 'millenium'),
 101         'MILLISECOND'       => array('0.001', 'ms'),
 102         'MINUTE'            => array('60', 'min'),
 103         'MONTH'             => array('2628600', 'month'),
 104         'NANOSECOND'        => array('1.0e-9', 'ns'),
 105         'PETASECOND'        => array('1.0e+15', 'Ps'),
 106         'PICOSECOND'        => array('1.0e-12', 'ps'),
 107         'QUARTER'           => array('7884000', 'quarter'),
 108         'SECOND'            => array('1', 's'),
 109         'SHAKE'             => array('1.0e-9', 'shake'),
 110         'SIDEREAL_YEAR'     => array('31558149.7676', 'sidereal year'),
 111         'TERASECOND'        => array('1.0e+12', 'Ts'),
 112         'TROPICAL_YEAR'     => array('31556925', 'tropical year'),
 113         'WEEK'              => array('604800', 'week'),
 114         'YEAR'              => array('31536000', 'year'),
 115         'STANDARD'          => 'SECOND'
 116     );
 117 }