For everyone looking for a clean & simple Apache + php + mySQL development environment for their local machine, XAMP is an all-in-one solution that installs in seconds. I use it on my Windows XP laptop, but it’s also available for Linux and Mac OS.. plus, it’s free. ( get it here )
Here’s how you go about running multiple sites on your local machine (and this might be common knowledge, but it took me a little research to find how to do it..):