title: downgrade php from 5.6.9 to 5.3.3 debian jessie
body: <p>We have a php application which running on debian squeeze server.</p>
  
  <p>When i install it on the new server (debian jessie), it doesn't run properly.</p>
  
  <p>how can i downgrade php from 5.6.9 to 5.3.3?</p>
  
  <p>Thanks</p>