Temperature.php
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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_Measure
* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Temperature.php 23775 2011-03-01 17:25:24Z ralph $
*/
/**
* Implement needed classes
*/
require_once 'Zend/Measure/Abstract.php';
require_once 'Zend/Locale.php';
/**
* Class for handling temperature conversions
*
* @category Zend
* @package Zend_Measure
* @subpackage Zend_Measure_Temperature
* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Measure_Temperature extends Zend_Measure_Abstract
{
const STANDARD = 'KELVIN';
const CELSIUS = 'CELSIUS';
const FAHRENHEIT = 'FAHRENHEIT';
const RANKINE = 'RANKINE';
const REAUMUR = 'REAUMUR';
const KELVIN = 'KELVIN';
/**
* Calculations for all temperature units
*
* @var array
*/
protected $_units = array(
'CELSIUS' => array(array('' => '1', '+' => '273.15'),'°C'),
'FAHRENHEIT' => array(array('' => '1', '-' => '32', '/' => '1.8', '+' => '273.15'),'°F'),
'RANKINE' => array(array('' => '1', '/' => '1.8'),'°R'),
'REAUMUR' => array(array('' => '1', '*' => '1.25', '+' => '273.15'),'°r'),
'KELVIN' => array(1,'°K'),
'STANDARD' => 'KELVIN'
);
}