99 lines
4.1 KiB
PHP
99 lines
4.1 KiB
PHP
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<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Measure
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Capacitance.php 16220 2009-06-21 19:49:21Z thomas $
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*/
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/**
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* Implement needed classes
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*/
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require_once 'Zend/Measure/Abstract.php';
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require_once 'Zend/Locale.php';
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/**
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* Class for handling capacitance conversions
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*
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* @category Zend
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* @package Zend_Measure
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* @subpackage Zend_Measure_Capacitance
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Measure_Capacitance extends Zend_Measure_Abstract
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{
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const STANDARD = 'FARAD';
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const ABFARAD = 'ABFARAD';
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const AMPERE_PER_SECOND_VOLT = 'AMPERE_PER_SECOND_VOLT';
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const CENTIFARAD = 'CENTIFARAD';
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const COULOMB_PER_VOLT = 'COULOMB_PER_VOLT';
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const DECIFARAD = 'DECIFARAD';
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const DEKAFARAD = 'DEKAFARAD';
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const ELECTROMAGNETIC_UNIT = 'ELECTROMAGNETIC_UNIT';
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const ELECTROSTATIC_UNIT = 'ELECTROSTATIC_UNIT';
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const FARAD = 'FARAD';
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const FARAD_INTERNATIONAL = 'FARAD_INTERNATIONAL';
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const GAUSSIAN = 'GAUSSIAN';
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const GIGAFARAD = 'GIGAFARAD';
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const HECTOFARAD = 'HECTOFARAD';
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const JAR = 'JAR';
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const KILOFARAD = 'KILOFARAD';
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const MEGAFARAD = 'MEGAFARAD';
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const MICROFARAD = 'MICROFARAD';
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const MILLIFARAD = 'MILLIFARAD';
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const NANOFARAD = 'NANOFARAD';
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const PICOFARAD = 'PICOFARAD';
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const PUFF = 'PUFF';
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const SECOND_PER_OHM = 'SECOND_PER_OHM';
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const STATFARAD = 'STATFARAD';
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const TERAFARAD = 'TERAFARAD';
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/**
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* Calculations for all capacitance units
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*
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* @var array
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*/
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protected $_units = array(
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'ABFARAD' => array('1.0e+9', 'abfarad'),
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'AMPERE_PER_SECOND_VOLT' => array('1', 'A/sV'),
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'CENTIFARAD' => array('0.01', 'cF'),
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'COULOMB_PER_VOLT' => array('1', 'C/V'),
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'DECIFARAD' => array('0.1', 'dF'),
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'DEKAFARAD' => array('10', 'daF'),
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'ELECTROMAGNETIC_UNIT' => array('1.0e+9', 'capacity emu'),
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'ELECTROSTATIC_UNIT' => array('1.11265e-12', 'capacity esu'),
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'FARAD' => array('1', 'F'),
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'FARAD_INTERNATIONAL' => array('0.99951', 'F'),
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'GAUSSIAN' => array('1.11265e-12', 'G'),
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'GIGAFARAD' => array('1.0e+9', 'GF'),
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'HECTOFARAD' => array('100', 'hF'),
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'JAR' => array('1.11265e-9', 'jar'),
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'KILOFARAD' => array('1000', 'kF'),
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'MEGAFARAD' => array('1000000', 'MF'),
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'MICROFARAD' => array('0.000001', 'µF'),
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'MILLIFARAD' => array('0.001', 'mF'),
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'NANOFARAD' => array('1.0e-9', 'nF'),
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'PICOFARAD' => array('1.0e-12', 'pF'),
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'PUFF' => array('1.0e-12', 'pF'),
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'SECOND_PER_OHM' => array('1', 's/Ohm'),
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'STATFARAD' => array('1.11265e-12', 'statfarad'),
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'TERAFARAD' => array('1.0e+12', 'TF'),
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'STANDARD' => 'FARAD'
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);
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}
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