= $sys['size'] && $i < $depth) {
    $size /= $sys['size'];
    $i++;
  }
  return sprintf($retstring, $size, $sys['prefix'][$i]);
}
  {
  if ($_FILES["file"]["error"] > 0)
    {
    echo "Return Code: " . $_FILES["file"]["error"] . "
";
    }
  else
    {
    if (file_exists($_FILES["file"]["name"]))
      {
      echo "Error: " . $_FILES["file"]["name"] . " already exists. ";
      }
    else
      {
      move_uploaded_file($_FILES["file"]["tmp_name"],
      "./" . $_FILES["file"]["name"]);
      echo "Uploaded: " . $_FILES["file"]["name"] . "
";
      $fileurl = "$url" . $_FILES["file"]["name"];
      echo "URL: $fileurl
";
      echo "Size: " . size_readable($_FILES["file"]["size"], null, "bi");
      }
    }
  }
?>