Install multiple PHP environments on OS X Snow Leopard

"Mark Story has written a great article on how to achieve this. He is a CakePHP core developer, and uses this setup for work and cakephp development.

http://mark-story.com/posts/view/maintaining-two-versions-of-php-with-macports"

"I am maintaining some build scripts as part of the Homebrew project that will let you do just that (at least the installation part) very easily.
I blogged about it - http://boztek.net/blog/2009/10/07/install-lamp-stack-source-mac-os-x-106-snow-leopard-using-homebrew"

"This is my own write up from many months back:

http://ireallylikesushi.com/blog/2009/12/21/installing-both-zend-server-ce-php-5-2-php-5-3-on-snow-leopard/

Very easy and clean solution. Hope that helps."