I have PHP 5.3.5 running on my dev server. I need to downgrade it to php PHP 5.3.2 to verify some issues. Is there a tutorial to do that .
dev server OS : Cent OS
The PHP module is only a simple shared lib. You can compile it on your own. Here is explained how to do it: http://www.web-tech-india.com/articles/php/compiling_php_apache/
You might want to use phpfarm to install the second php version on that machine.