How can I upgrade from PHP 5.1.6 to PHP 4.3.10? This is a dumb question probably, but we running a dedicated server and I am fairly new to the Linux environment. Also: How sure can I be that ISP Config 3 will work?
That is a downgrade not an upgrade. if ispconfig will work i dont know, but i know you can have php 5 and 4 installed in same machine. And select php 4 or 5 to use, but ispconfig cant manage that, i think.