<?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.
// $Id$

function smarty_function_memusage($params, $smarty)
{
    if (function_exists('memory_get_peak_usage')) {
        // PHP 5.2+
        $memusage = memory_get_peak_usage();
    } elseif (function_exists('memory_get_usage')) {
        //PHP 4 >= 4.3.2, PHP 5
        $memusage = memory_get_usage();
    } else {
        $memusage = 0;
    }

    if ($memusage > 0) {
        $memunit = "B";
        if ($memusage > 1024) {
            $memusage = $memusage / 1024;
            $memunit = "kB";
        }
        if ($memusage > 1024) {
            $memusage = $memusage / 1024;
            $memunit = "MB";
        }
        if ($memusage > 1024) {
            $memusage = $memusage / 1024;
            $memunit = "GB";
        }
        print(number_format($memusage, 2) . $memunit);
    } else {
        print (tra("Unknown"));
    }
}