cakephp2-php8/cake/libs/view/helpers/number.php
2007-02-02 10:39:45 +00:00

111 lines
3 KiB
PHP

<?php
/* SVN FILE: $Id$ */
/**
* Number Helper.
*
* Methods to make numbers more readable.
*
* PHP versions 4 and 5
*
* CakePHP(tm) : Rapid Development Framework <http://www.cakephp.org/>
* Copyright 2005-2007, Cake Software Foundation, Inc.
* 1785 E. Sahara Avenue, Suite 490-204
* Las Vegas, Nevada 89104
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @filesource
* @copyright Copyright 2005-2007, Cake Software Foundation, Inc.
* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
* @package cake
* @subpackage cake.cake.libs.view.helpers
* @since CakePHP(tm) v 0.10.0.1076
* @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.cake.libs.view.helpers
*/
class NumberHelper extends AppHelper {
/**
* Formats a number with a level of precision.
*
* @param float $number A floating point number.
* @param integer $precision The precision of the returned number.
* @return float Enter description here...
* @static
*/
function precision($number, $precision = 3) {
return sprintf("%01.{$precision}f", $number);
}
/**
* Returns a formatted-for-humans file size.
*
* @param integer $length Size in bytes
* @return string Human readable size
* @static
*/
function toReadableSize($size) {
switch($size) {
case 1:
return '1 Byte';
case $size < 1024:
return $size . ' Bytes';
case $size < 1024 * 1024:
return NumberHelper::precision($size / 1024, 0) . ' KB';
case $size < 1024 * 1024 * 1024:
return NumberHelper::precision($size / 1024 / 1024, 2) . ' MB';
case $size < 1024 * 1024 * 1024 * 1024:
return NumberHelper::precision($size / 1024 / 1024 / 1024, 2) . ' GB';
case $size < 1024 * 1024 * 1024 * 1024 * 1024:
return NumberHelper::precision($size / 1024 / 1024 / 1024 / 1024, 2) . ' TB';
}
}
/**
* Formats a number into a percentage string.
*
* @param float $number A floating point number
* @param integer $precision The precision of the returned number
* @return string Percentage string
* @static
*/
function toPercentage($number, $precision = 2) {
return NumberHelper::precision($number, $precision) . '%';
}
/**
* Formats a number into a percentage string.
*
* @param float $number A floating point number
* @param integer $precision The precision of the returned number
* @return string Percentage string
* @static
*/
function currency ($number, $currency = 'USD') {
switch ($currency) {
case "EUR":
$return = "&#128; " . number_format ($number, 2, ",", ".");
break;
case "GBP":
$return = "&#163;" . number_format ($number, 2, ".", ",");
break;
case 'USD':
default:
$return = "$" . number_format ($number, 2, ".", ",");
break;
}
return $return;
}
}
?>