[PHP] Upgrading PHP 4.2.2 on Red Hat 9

Greetings, Has anyone successfully upgraded a PHP 4.2.2 installation on a Red Hat 9 machine to a more secure version? I just want any more-secure version of PHP than 4.2.2, but it's looking like I'll have to use Fedora or Gentoo or Mandrake or something in order to be successful. Of course,

[PHP] Re: PHP as module, also as suexec, in Apache?

Running PHP Version 4.2.2 I would also like to run PHP both as an Apache module and in CGI mode. My Red Hat 9 installation includes a nice Apache with PHP compiled in. I would like to run the ARSC PHP/MySQL chat application (from sourceforge.net) on this server. I could run it as-is, however