title: creating zip/rar/tar of folders in Joomla
body: <p>Please somebody help me.
  I want to <strong>compress a folder</strong> (which contains images &amp; text files as well as few sub folders) <strong>in zip,rar,tar format</strong> &amp; then give it for download to user.
  Is there any class/api/library/code to do so.</p>
  
  <p>I am working on Joomla CMS.</p>
  
  <p>Regards,</p>
  
  <p>Shahu.</p>