title: cakephp rediect to external url in routes.php
body: <p>In Cakephp <strong>routes.php</strong>,
  How to redirect to external url
  eg: <a href="http://blog.example.com" rel="nofollow">http://blog.example.com</a></p>
  
  <pre><code>Router::connect('/blog','http://blog.example.com/');
  </code></pre>