Basically, the installation file in the Apache section does not provide the level of detail that is really needed. Far too often I see emails where people can not get php to work. Why? Because they have simply followed this instruction:

After you've set up the file layout properly, you're ready to finally configure Apache to load the PHP4 module. Just add the following lines to your httpd.conf:

   LoadModule php4_module c:/php/sapi/php4apache.dll
   AddModule mod_php4.c
   AddType application/x-httpd-php .php

Followed liturally, the user then goes and plonks them all in one big group. Guess what happens then? If you said it mess's up, then you are correct! Basically, to help all the new users to php/php installation, I suggest the following change: (This is taken from an email I have sent out several times, so some gramatic change may be in order!)

    LoadModule php4_module C:\PHP\sapi\php4apache.dll

This has to be in the same place as all the other LoadModule commands. If you look through your httpd.conf file for Apache, you will see a whole load of LoadModules with #'s in front of them. You need to place the above line
at the end of that list.

If you then scroll down a bit the next section should be 'AddModule'. In this section, you have to put the line
   AddModule mod_php4.c
at the bottom of the list. Both commands are needed to properly load PHP.

Once that is done, you will need to run a search for

" # AddType allows you to tweak mime.types without actually editing it, or to "

Below that line should be a series of AddType commands. Again, you need to put

    AddType application/x-httpd-php .php

at the end of the list.

    AddType application/x-httpd-php-source .phps

is an optional feature, I personnally do not use it as I do not want people to be able to view my source code. However it is up to you. If you do want to include it, put it in the same section as the previous command.