Updating to PHP 5.2 on Centos

wget -q -O - http://www.atomicorp.com/installers/atomic.sh | sh
yum upgrade
mv /etc/php.ini.rpmnew /etc/php.ini
mv /etc/httpd/conf.d/php.conf.rpmnew /etc/httpd/conf.d/php.conf
/etc/init.d/httpd restart

from
http://www.atomicorp.com/wiki/index.php/PHP