title: Downgrade Debian PHP package
body: <p>I have a big problem with my sites after migrate to new server. The only difference is in PHP version.</p>
  
  <p>On old server I have: <code>5.3.3-7+squeeze15</code></p>
  
  <p>On new server is: <code>5.3.3-7+squeeze17</code></p>
  
  <p>Can I migrate from new version to older and how?</p>
  
  <p>OS: Debian 6.0.8</p>