How to Use PHP 5.3 on Linux Hosting
The release of PHP 5.3.x is a major improvement in the 5.x series which includes a large number of new features and bug fixes.
By default, our Linux accounts makes use of PHP 5.2 as not all scripts are compatible with PHP 5.3, but if you are ready to make the jump. or your script requires PHP 5.3; you can do the following:
Go to cpanel >> software >> Select PHP Version >> php 5.2/5.3/5.4 >>ok