title: how to upload zip/rar files in codeigniter
body: <p>how to upload zip/rar files in codeigniter
  itried like this</p>
  
  <pre><code>$config['allowed_types'] = 'application/x-zip|application/x-zip-compressed|application/octet-stream|application/x-compress|application/x-compressed|multipart/x-zip';
  </code></pre>
  
  <p>but not working . please help me.................</p>