Posted by Richard Lynch on 03/05/05 01:06

timothy johnson wrote:
> Is there a way to install two version of php on the same machine, and
> use them for two different users?

Option 1:
Install two copies of Apache, with different httpd.conf files, on two
different ports.
Somebody gets stuck using http://example.com:81 (or any port but 80) but
this gives everything you asked for.

Option 2:
Use --enable-versioning while compiling PHP. This definitely allowed for
PHP3 and PHP4 and *might* allow for 4&5... Or not. RTFM
But you won't get different Users.

Option 3:
Install at least one of the two as CGI (fastCGI, whatever), and use a
different extension (.php4 or .php5) or use other means (ForceType,
AddHandler, AddType, etc) to change which is used on a per directory
basis. Use suexec, if you UNDERSTAND THE RAMIFICATIONS to alter the user
of the CGI process. Mis-use of suexec is incredibly dangerous. YMMV
NAIAA IANAL
The CGI usage will lose some minimal functionality. HTTP Authentication
springs to mind, but there are 3 or 4 functions/features that just plain
won't work in CGI. RTFM

Option 4:
In terms of expenses/headaches, you will probably be better off just
buying a second machine. Problem solved.

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