Introduction

[[filesize]] Return human readable sizes

Usage

[[filesize? &file=filename &unit=unit ]]

Where:

• filename - the path to file (for example: assets/file/index.htm)
• unit - the maximum unit (for example: KB)

Code

<?php
/**
 * Return human readable sizes
 *
 * @author      Aidan Lister <aidan@php.net>
 * @version     1.1.0
 * @link        http://aidanlister.com/repos/v/function.size_readable.php
 * @param       int    $size        Size
 * @param       int    $unit        The maximum unit
 * @param       int    $retstring   The return string format
 * @param       int    $si          Whether to use SI prefixes
 */
if (!function_exists('size_readable')) {
    function size_readable($size, $unit = null, $retstring = null, $si = true)
    {
        // Units
        if ($si === true) {
            $sizes = array('B', 'kB', 'MB', 'GB', 'TB', 'PB');
            $mod   = 1000;
        } else {
            $sizes = array('B', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB');
            $mod   = 1024;
        }
        $ii = count($sizes) - 1;

        // Max unit
        $unit = array_search((string) $unit, $sizes);
        if ($unit === null || $unit === false) {
            $unit = $ii;
        }

        // Return string
        if ($retstring === null) {
            $retstring = '%01.2f %s';
        }

        // Loop
        $i = 0;
        while ($unit != $i && $size >= 1024 && $i < $ii) {
            $size /= $mod;
            $i++;
        }

        return sprintf($retstring, $size, $sizes[$i]);
    }
}

if (isset($file)) {
    $file = $modx->config['base_path'].str_replace('"',"",$file);
    if (file_exists($file)) {
        if (isset($unit)) {
            return size_readable(filesize($file), $unit);
        } else {
            return size_readable(filesize($file));
        }
    }
}
?>