Installing PHP

[Darryl Hoar]

greetings,
I have a freebsd 6.0-release box.  I need to install php to use with
squirrelmail.   When I go to /usr/ports/www and look for php4, I
see a lot of sub directories with names that aren't clear as to which
one installs php4.

So, anybody care to clarify this for me ?

Also, I need to configure php with the following options:
--enable-track-vars
--enable-force-cgi-redirect 
--with-gettext
--with-mysql

which file should I put those in before make, make install ?

thanks,
Darryl