<?php

// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
//
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
// $Id$

/*
 * Smarty plugin
 * -------------------------------------------------------------
 * Type:     modifier
 * Name:     kbsize
 * Purpose:  returns size in Mb, Kb or bytes.
 * -------------------------------------------------------------
 */
function smarty_modifier_kbsize($string, $bytes = false, $nb_decimals = 2, $unit_separator = '&nbsp;')
{
    if ($string == '') {
        return '';
    }

    if ($string > 1099511627776) { // 1024 x 1024 x 1024 x 1024 = 1099511627776
        $string = number_format($string / 1099511627776, $nb_decimals);
        $kb_string = 'T';
    } elseif ($string > 1073741824) { // 1024 x 1024 x 1024 = 1073741824
        $string = number_format($string / 1073741824, $nb_decimals);
        $kb_string = 'G';
    } elseif ($string > 1048576) { // 1024 x 1024 = 1048576
        $string = number_format($string / 1048576, $nb_decimals);
        $kb_string = 'M';
    } elseif ($string > 1024) {
        $string = number_format($string / 1024, $nb_decimals);
        $kb_string = 'K';
    } else {
        $string = $string;
        $kb_string = '';
    };

    $kb_string = $kb_string . (($bytes) ? 'B' : 'b');

    return $string . $unit_separator . tra($kb_string);
}