2025-07-15 08:50:42 +00:00

99 lines
4.1 KiB
PHP

<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id$
*/
/**
* Implement needed classes
*/
require_once 'Zend/Measure/Abstract.php';
require_once 'Zend/Locale.php';
/**
* Class for handling capacitance conversions
*
* @category Zend
* @package Zend_Measure
* @subpackage Zend_Measure_Capacitance
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Measure_Capacitance extends Zend_Measure_Abstract
{
public const STANDARD = 'FARAD';
public const ABFARAD = 'ABFARAD';
public const AMPERE_PER_SECOND_VOLT = 'AMPERE_PER_SECOND_VOLT';
public const CENTIFARAD = 'CENTIFARAD';
public const COULOMB_PER_VOLT = 'COULOMB_PER_VOLT';
public const DECIFARAD = 'DECIFARAD';
public const DEKAFARAD = 'DEKAFARAD';
public const ELECTROMAGNETIC_UNIT = 'ELECTROMAGNETIC_UNIT';
public const ELECTROSTATIC_UNIT = 'ELECTROSTATIC_UNIT';
public const FARAD = 'FARAD';
public const FARAD_INTERNATIONAL = 'FARAD_INTERNATIONAL';
public const GAUSSIAN = 'GAUSSIAN';
public const GIGAFARAD = 'GIGAFARAD';
public const HECTOFARAD = 'HECTOFARAD';
public const JAR = 'JAR';
public const KILOFARAD = 'KILOFARAD';
public const MEGAFARAD = 'MEGAFARAD';
public const MICROFARAD = 'MICROFARAD';
public const MILLIFARAD = 'MILLIFARAD';
public const NANOFARAD = 'NANOFARAD';
public const PICOFARAD = 'PICOFARAD';
public const PUFF = 'PUFF';
public const SECOND_PER_OHM = 'SECOND_PER_OHM';
public const STATFARAD = 'STATFARAD';
public const TERAFARAD = 'TERAFARAD';
/**
* Calculations for all capacitance units
*
* @var array
*/
protected $_units = [
'ABFARAD' => ['1.0e+9', 'abfarad'],
'AMPERE_PER_SECOND_VOLT' => ['1', 'A/sV'],
'CENTIFARAD' => ['0.01', 'cF'],
'COULOMB_PER_VOLT' => ['1', 'C/V'],
'DECIFARAD' => ['0.1', 'dF'],
'DEKAFARAD' => ['10', 'daF'],
'ELECTROMAGNETIC_UNIT' => ['1.0e+9', 'capacity emu'],
'ELECTROSTATIC_UNIT' => ['1.11265e-12', 'capacity esu'],
'FARAD' => ['1', 'F'],
'FARAD_INTERNATIONAL' => ['0.99951', 'F'],
'GAUSSIAN' => ['1.11265e-12', 'G'],
'GIGAFARAD' => ['1.0e+9', 'GF'],
'HECTOFARAD' => ['100', 'hF'],
'JAR' => ['1.11265e-9', 'jar'],
'KILOFARAD' => ['1000', 'kF'],
'MEGAFARAD' => ['1000000', 'MF'],
'MICROFARAD' => ['0.000001', 'µF'],
'MILLIFARAD' => ['0.001', 'mF'],
'NANOFARAD' => ['1.0e-9', 'nF'],
'PICOFARAD' => ['1.0e-12', 'pF'],
'PUFF' => ['1.0e-12', 'pF'],
'SECOND_PER_OHM' => ['1', 's/Ohm'],
'STATFARAD' => ['1.11265e-12', 'statfarad'],
'TERAFARAD' => ['1.0e+12', 'TF'],
'STANDARD' => 'FARAD'
];
}