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) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

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

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

    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 temperature conversions

    30  *

    31  * @category   Zend

    32  * @package    Zend_Measure

    33  * @subpackage Zend_Measure_Temperature

    34  * @copyright  Copyright (c) 2005-2010 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_Temperature extends Zend_Measure_Abstract

    38 {

    39     const STANDARD = 'KELVIN';

    40 

    41     const CELSIUS    = 'CELSIUS';

    42     const FAHRENHEIT = 'FAHRENHEIT';

    43     const RANKINE    = 'RANKINE';

    44     const REAUMUR    = 'REAUMUR';

    45     const KELVIN     = 'KELVIN';

    46 

    47     /**

    48      * Calculations for all temperature units

    49      *

    50      * @var array

    51      */

    52     protected $_units = array(

    53         'CELSIUS'    => array(array('' => '1', '+' => '273.15'),'°C'),

    54         'FAHRENHEIT' => array(array('' => '1', '-' => '32', '/' => '1.8', '+' => '273.15'),'°F'),

    55         'RANKINE'    => array(array('' => '1', '/' => '1.8'),'°R'),

    56         'REAUMUR'    => array(array('' => '1', '*' => '1.25', '+' => '273.15'),'°r'),

    57         'KELVIN'     => array(1,'°K'),

    58         'STANDARD'   => 'KELVIN'

    59     );

    60 }