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<?php
/**
* @version $Id: fileutils.php 4369 2008-04-30 01:51:00Z wonderslug $
* @package JXtended
* @subpackage Webservices
* @copyright Copyright (C) 2007 Louis Landry. All rights reserved.
* @license GNU/GPL
*/
// Check to ensure this file is included in Joomla!
defined('_JEXEC') or die();
/**
* Format a number of bytes into a human readable format.
* Optionally choose the output format and/or force a particular unit
*
* @param int $bytes The number of bytes to format. Must be positive
* @param string $format Optional. The output format for the string
* @param string $force Optional. Force a certain unit. B|KB|MB|GB|TB
* @return string The formatted file size
*/
function filesize_format($bytes, $format = '', $force = '')
{
$force = strtoupper($force);
$defaultFormat = '%01d %s';
if (strlen($format) == 0)
$format = $defaultFormat;
$bytes = max(0, (int) $bytes);
$units = array('B', 'KB', 'MB', 'GB', 'TB', 'PB');
$power = array_search($force, $units);
if ($power === false)
$power = $bytes > 0 ? floor(log($bytes, 1024)) : 0;
if (0 == $power) $format = $defaultFormat;
return sprintf($format, $bytes / pow(1024, $power), $units[$power]);
}
?>