Untitled

<?php

  if ($_FILES["url"]["error"] > 0)
    {
    echo "Return Code: " . $_FILES["file"]["error"] . "<br />";
    }
  else
    {
    if (file_exists("upload/" . $_FILES["url"]["name"]))
      {
      echo $_FILES["url"]["name"] . " already exists. ";
      }
    else
      {
      move_uploaded_file($_FILES["url"]["tmp_name"],
      "upload/" . $_FILES["url"]["name"]);
          $url = $_FILES["url"]["name"];
          header("Location: /shorten.php?id=$url");
    }
?>