title: How to downgrade PHP 5.4 to 5.1.6 using xammp.
body: <p>Hi I would like to know if there is a way where I can downgrade my PHP version to 5.1.6 to using the current version of xammp? 
  I need this PHP version in one of my clients existing intranet application.</p>
  
  <p>Thanks in advance!</p>