<?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_Measure

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license   http://framework.zend.com/license/new-bsd     New BSD License

 * @version   $Id: Time.php 20096 2010-01-06 02:05:09Z bkarwin $

 */

/**

 * Implement needed classes

 */

require_once 'Zend/Measure/Abstract.php';

require_once 'Zend/Locale.php';

/**

 * Class for handling time conversions

 *

 * @category   Zend

 * @package    Zend_Measure

 * @subpackage Zend_Measure_Time

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

class Zend_Measure_Time extends Zend_Measure_Abstract

{

    const STANDARD = 'SECOND';

    const ANOMALISTIC_YEAR  = 'ANOMALISTIC_YEAR';

    const ATTOSECOND        = 'ATTOSECOND';

    const CENTURY           = 'CENTURY';

    const DAY               = 'DAY';

    const DECADE            = 'DECADE';

    const DRACONIC_YEAR     = 'DRACONTIC_YEAR';

    const EXASECOND         = 'EXASECOND';

    const FEMTOSECOND       = 'FEMTOSECOND';

    const FORTNIGHT         = 'FORTNIGHT';

    const GAUSSIAN_YEAR     = 'GAUSSIAN_YEAR';

    const GIGASECOND        = 'GIGASECOND';

    const GREGORIAN_YEAR    = 'GREGORIAN_YEAR';

    const HOUR              = 'HOUR';

    const JULIAN_YEAR       = 'JULIAN_YEAR';

    const KILOSECOND        = 'KILOSECOND';

    const LEAPYEAR          = 'LEAPYEAR';

    const MEGASECOND        = 'MEGASECOND';

    const MICROSECOND       = 'MICROSECOND';

    const MILLENIUM         = 'MILLENIUM';

    const MILLISECOND       = 'MILLISECOND';

    const MINUTE            = 'MINUTE';

    const MONTH             = 'MONTH';

    const NANOSECOND        = 'NANOSECOND';

    const PETASECOND        = 'PETASECOND';

    const PICOSECOND        = 'PICOSECOND';

    const QUARTER           = 'QUARTER';

    const SECOND            = 'SECOND';

    const SHAKE             = 'SHAKE';

    const SIDEREAL_YEAR     = 'SYNODIC_MONTH';

    const TERASECOND        = 'TERASECOND';

    const TROPICAL_YEAR     = 'TROPIC_YEAR';

    const WEEK              = 'WEEK';

    const YEAR              = 'YEAR';

    /**

     * Calculations for all time units

     *

     * @var array

     */

    protected $_units = array(

        'ANOMALISTIC_YEAR'  => array('31558432', 'anomalistic year'),

        'ATTOSECOND'        => array('1.0e-18', 'as'),

        'CENTURY'           => array('3153600000', 'century'),

        'DAY'               => array('86400', 'day'),

        'DECADE'            => array('315360000', 'decade'),

        'DRACONIC_YEAR'     => array('29947974', 'draconic year'),

        'EXASECOND'         => array('1.0e+18', 'Es'),

        'FEMTOSECOND'       => array('1.0e-15', 'fs'),

        'FORTNIGHT'         => array('1209600', 'fortnight'),

        'GAUSSIAN_YEAR'     => array('31558196', 'gaussian year'),

        'GIGASECOND'        => array('1.0e+9', 'Gs'),

        'GREAT_YEAR'        => array(array('*' => '31536000', '*' => '25700'), 'great year'),

        'GREGORIAN_YEAR'    => array('31536000', 'year'),

        'HOUR'              => array('3600', 'h'),

        'JULIAN_YEAR'       => array('31557600', 'a'),

        'KILOSECOND'        => array('1000', 'ks'),

        'LEAPYEAR'          => array('31622400', 'year'),

        'MEGASECOND'        => array('1000000', 'Ms'),

        'MICROSECOND'       => array('0.000001', 'µs'),

        'MILLENIUM'         => array('31536000000', 'millenium'),

        'MILLISECOND'       => array('0.001', 'ms'),

        'MINUTE'            => array('60', 'min'),

        'MONTH'             => array('2628600', 'month'),

        'NANOSECOND'        => array('1.0e-9', 'ns'),

        'PETASECOND'        => array('1.0e+15', 'Ps'),

        'PICOSECOND'        => array('1.0e-12', 'ps'),

        'QUARTER'           => array('7884000', 'quarter'),

        'SECOND'            => array('1', 's'),

        'SHAKE'             => array('1.0e-9', 'shake'),

        'SIDEREAL_YEAR'     => array('31558149.7676', 'sidereal year'),

        'TERASECOND'        => array('1.0e+12', 'Ts'),

        'TROPICAL_YEAR'     => array('31556925', 'tropical year'),

        'WEEK'              => array('604800', 'week'),

        'YEAR'              => array('31536000', 'year'),

        'STANDARD'          => 'SECOND'

    );

}