NEW UPGRADE PHP5 Apache 2 stinks

[#1]

Has anyone else got problems with their php code since Plus upgraded?
I ask the question because I have just spent the best part of the last 18 months completing a very structured and complicated reference system, after a brief chat with Plus about their intentions to upgrade to PHP5 (They said NO btw. Not in the foreseeable future).
I wouldn't mind but I only finished it last Friday. Had loaded it up and tested ready for the big launch! Had Monday off, returned in work today to make some "minor" adjustments and found I have to write the whole site again!!!
Not a happy bunny! Does Virgin Media have an apache server?
My security page wont even log in! It just seems to refresh the page sending me and the boss round in circles.
It all worked on Friday ~ So whats so different now? Considering the whole site (not to mention the other 3) was written on Snow Leopard of which is pre installed with both the Apache 2 and PHP5...

[#2]

Hi there.
Sorry to hear you've been having problems

Quote from: cwjones

I ask the question because I have just spent the best part of the last 18 months completing a very structured and complicated reference system, after a brief chat with Plus about their intentions to upgrade to PHP5 (They said NO btw. Not in the foreseeable future).

Prior to August 2009 that the information you were given was accurate.
Regarding your problem, have you seen Ben's reply to your other post here?