title: CodeIgniter: urlencoded URL in URI segment does not work
body: <p>I'm trying to put a URL as the value of one of my URI segments in CI. My controller method is defined to accept such an argument. However, when I go to the URL, I get a 404 error. For example:</p>
  
  <p>www.domain.com/foo/urlencoded-url/</p>
  
  <p>Any ideas what's wrong? Should I do this via GET instead?</p>
  
  <p><strong>UPDATE:</strong></p>
  
  <p>// URL that generates 404
  <code>http://localhost/myapp/profile_manager/confirm_profile_parent_delete/ugpp_533333338/http%3A%2F%2Flocalhost%2Fmyapp%2Fdashboard%2F</code></p>
  
  <p>// This is in my <code>profile_manager</code> controller
  public function confirm_profile_parent_delete($encrypted_user_group_profile_parent_id = '', $url_current = '')</p>
  
  <p>If I remove the second URI segement, I don't get a 404: <code>http://localhost/myapp/profile_manager/confirm_profile_parent_delete/ugpp_533333338/</code></p>