Thanks Igor, I did see that page after posting this thread. That said, I do have a questions about Steps 3 and 4.
Step 3) Replace the PHP 4 php.ini with PHP 5.2.x's (if applicable):
mv /etc/php.ini.rpmnew /etc/php.ini
Step 4) Replace the php.conf with the PHP 5.2.x php.conf (if...