function listdir($dir)
{
  if($dh = opendir($dir))
  {
    while(($file = readdir($dh)) !== false)
    {
      /* Ignore anything that starts with a period. */
      if($file[0] == '.') continue;
      if(!strcmp($file, "README.html")) continue;

      $isdir = is_dir($dir."/".$file);
      $size  = ($isdir ? 0 : filesize($dir."/".$file));

      $list[] = array(
        'name'    => $file,
        'isdir'   => $isdir,
        'size'    => $size,
        'date'    => filemtime($dir."/".$file),
        'comment' => read_comment($dir, $file)
      );
    }

    closedir($dh);
  }

  return($list);
}