Update php 5.1 to 5.2 or 5.3 on CentOS 5.7

I need help for update on CentOS 5.7 distro and ISPConfig 3.0.3.3 the PHP packages from 5.1 to 5.2 or 5.3. Thanks for any informations or tutorials.

 

No one dont know to fix my problem??

 

http://www.howtoforge.com/centos-5.6-php53-common-conflicts-with-php-common

 

it's works

Thanks FALKO, everything it's well now.