// A much better and accurate version can be found // in Aidan's PHP Repository: // http://aidanlister.com/repos/v/function.size_readable.php /**  * Returns a human readable filesize  *  * @author      wesman20 (php.net)  * @author      Jonas John  * @version     0.3  * @link        http://www.jonasjohn.de/snippets/php/readable-filesize.htm  */ function HumanReadableFilesize($size) {     // Adapted from: http://www.php.net/manual/en/function.filesize.php     $mod = 1024;     $units = explode(' ','B KB MB GB TB PB');     for ($i = 0; $size > $mod; $i++) {         $size /= $mod;     }     return round($size, 2) . ' ' . $units[$i]; }