Get Remote File Type Via PHP CURL

curl_file_type.php

<?php
  # the request
  $file = file_get_contents('http://www.videojs.com/js/video-js.swf');
  $file_url = 'http://www.videojs.com/js/video-js.swf';
  echo "<br>";
  $ch = curl_init($file_url);
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
  curl_exec($ch);

  # get the content type
  echo curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
  echo "<br>";
?>