Changing PHP version and enabling extensions is as easy as clicking a few checkboxes. Please follow along these step to change your PHP version and enable any set up extensions available for the that particular version.
1. Login to your cPanel.
4. As soon as you pick a different version, you shall see a number of available extensions.
5. Please select accordingly.
6. Currently your PHP version has been set to 5.3 and all requested extensions enabled. *Success*