PHP4 Ok on PHP5 server ?

DiscoKandy · 13 Mar 2006 at 14:00

Hi,
i've got a site developed in php4 that I need to do some work on, the development server I have access to is running Apache 2 and PHP 5. Will the site still work correctly on a server running PHP5?

Augmented · 13 Mar 2006 at 14:14

From my experience, I'd say almost certainly yes. The only issues might be due to differences in configuration - such as the register_globals setting and so on - but that would apply between servers anyway. It would be more problematic the other way round. I don't think they've actually removed anything from PHP4 that would stop code working.

Depending on your code, and error-reporting level, you may find extra warning errors thrown about features like returning and passing by reference. The old style of syntax for OOP will still work.

Dj_Jestar · 13 Mar 2006 at 14:29

As Augmented said, PHP4 syntax will work fine on PHP5, though you may receive some E_STRICT errors.

Inquisitor · 13 Mar 2006 at 16:53

Hmm, I heard that some software breaks under PHP5, phpBB being an example... I may be wrong though :confused: