I need to downgrade PHP 5.3 to 5.2 to support some older software. I am on dedicated box with full root access but I cannot seem to find a way to do this. Any help would be really appreciated.
If you use FastCGI, you can use this guide: http://blog.davejamesmiller.com/2011/03/how-to-install-php-5-2-fastcgi-on-debian-6-0-squeeze