= $sys['size'] && $i < $depth) {
    $size /= $sys['size'];
    $i++;
  }
  return sprintf($retstring, $size, $sys['prefix'][$i]);
}
// Respect HTTPS or not
if (isset($_SERVER['HTTPS'])) {
  $url = preg_replace("/^http:\/\//", "https://", $url);
} else {
  $url = preg_replace("/^https:\/\//", "http://", $url);
}
if ($_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");
  }
}
?>