Snow Leopard actually has Apache 2 and PHP 5 preinstalled. To get PHP working, here is how to do it: Enabling PHP and Apache in Leopard.
MySQL is not preinstalled, but here is how to do it: Install MySQL on Mac OSX.
Snow Leopard actually has Apache 2 and PHP 5 preinstalled. To get PHP working, here is how to do it: Enabling PHP and Apache in Leopard.
MySQL is not preinstalled, but here is how to do it: Install MySQL on Mac OSX.
Links:
Install Apache/PHP/MySQL on Snow Leopard