title: codeigniter Php page not updating with new code
body: <p>i have a signupview page where has include('header.php') at the top and include('footer.php') at the bottom.
  These are external php pages.  Just yesterday when i make a change to the footer.php or even delete it from the server the signupview page still have the footer.php there.  But the header.php seems fine if i make changes.</p>
  
  <p>I tried clear cache the browser still nothing.</p>