cakephp2-php8/libs/helpers/number.php
2005-09-07 01:52:45 +00:00

92 lines
No EOL
2.7 KiB
PHP

<?php
/* SVN FILE: $Id$ */
/**
* Number Helper.
*
* Methods to make numbers more readable.
*
* PHP versions 4 and 5
*
* CakePHP : Rapid Development Framework <http://www.cakephp.org/>
* Copyright (c) 2005, CakePHP Authors/Developers
*
* Author(s): Michal Tatarynowicz aka Pies <tatarynowicz@gmail.com>
* Larry E. Masters aka PhpNut <nut@phpnut.com>
* Kamil Dzielinski aka Brego <brego.dk@gmail.com>
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @filesource
* @author CakePHP Authors/Developers
* @author Christian Gillen aka kodos <christian@crew.lu>
* @copyright Copyright (c) 2005, CakePHP Authors/Developers
* @link https://trac.cakephp.org/wiki/Authors Authors/Developers
* @package cake
* @subpackage cake.libs.helpers
* @since CakePHP v 0.9.2
* @version $Revision$
* @modifiedby $LastChangedBy$
* @lastmodified $Date$
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
/**
* Number helper library.
*
* Methods to make numbers more readable.
*
* @package cake
* @subpackage cake.libs.helpers
* @since CakePHP v 0.9.2
*
*/
class NumberHelper extends Helper
{
/**
* Formats a number with a level of precision.
*
* @param float $number A floating point number.
* @param integer $precision The precision of the returned number.
* @return float Enter description here...
*/
function precision($number, $precision = 3)
{
return sprintf("%01.{$precision}f", $number);
}
/**
* Returns a formatted-for-humans file size.
*
* @param integer $length Size in bytes
* @return string Human readable size
*/
function toReadableSize($size)
{
switch ($size)
{
case 1: return '1 Byte';
case $size < 1024: return $size . ' Bytes';
case $size < 1024 * 1024: return $this->precision($size / 1024, 0) . ' KB';
case $size < 1024 * 1024 * 1024: return $this->precision($size / 1024 / 1024, 2) . ' MB';
case $size < 1024 * 1024 * 1024 * 1024: return $this->precision($size / 1024 / 1024 / 1024, 2) . ' GB';
case $size < 1024 * 1024 * 1024 * 1024 * 1024: return $this->precision($size / 1024 / 1024 / 1024 / 1024, 2) . ' TB';
}
}
/**
* Formats a number into a percentage string.
*
* @param float $number A floating point number
* @param integer $precision The precision of the returned number
* @return string Percentage string
*/
function toPercentage($number, $precision = 2)
{
return $this->precision($number, $precision) . '%';
}
}
?>