Basically, it works like this:
Download PHP, then unpack it:
Code:
tar xvfz php-5.0.4.tar.gz
cd php-5.0.4/
./configure --with-apxs=/path/to/apxs --enable-track-vars --enable-sockets --with-config-file-path=/etc --enable-ftp --with-mysql=/usr --with-pfpro=/path/to/PayFlowProDirectory [... a lot of other options]
You can find out all configuration options by running
Then run