For the most part php4 is backward compatable with php3. They added a
ton of new functions, but also redid the engine so there are few things
you need to watch out for:
http://www.php.net/manual/en/migration4.php

"Austad, Jay" wrote:
> 
> Change it to:
> AddType application/x-httpd-php .php .php3
> 
> For the most part, php3 scripts work with php4, but there are a few things
> that are different.  The best thing to do is just try it out.
> 
> > -----Original Message-----
> > From: Bob Tanner [mailto:tanner at real-time.com]
> > Sent: Wednesday, March 07, 2001 11:31 PM
> > To: tclug-list at mn-linux.org
> > Subject: [TCLUG] php4 works with php3 files?
> >
> >
> > Upgraded to php4 and added the following:
> >
> >   AddType application/x-httpd-php3 .php3
> >   AddType application/x-httpd-php .php
> >
> > But now my php3 scripts don't run. Any ideas on why?
> > --
> > Bob Tanner <tanner at real-time.com>       | Phone : (952)943-8700
> > http://www.mn-linux.org                 | Fax   : (952)943-8500
> > Key fingerprint =  6C E9 51 4F D5 3E 4C 66 62 A9 10 E5 35 85 39 D9
> >
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> >
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