Someone

<?
$dir .="/var/www/multimedia/myfile";
$webdir .="/webpath/";
if ($handle=opendir($dir)){
while (false !== ($file=readdir($handle))) {
  if (is_file($dir."/"$file)) {
   $files[]=$file;
echo "<a href=\'$dir$file\' title=\"click to download\">$file</a><br>";
}
}
closedir($handle);
}
arsort($files);
?>