title: Scheduled php code execution
body: <p>Hey folks, the way i understand it is that cron can be used to execute php code by launching the php interpreter and passing it the path to the script to be executed.   </p>
  
  <p>The code I would like to schedule is in a codeigniter controller/model. So basically the controller contains 3 functions that perform some db stats. Each function will have its own schedule.</p>
  
  <p>How can I secure that controller so that the code doesn't get executed maliciously? do I pass some creds to the controller as part of the cron job? or do i take that code an set it up as a separate ci app?</p>
  
  <p>Any thoughts on the matter would be appreciated.  </p>
  
  <p>thanks</p>