For anyone that's wanted to try out the Heroku hosting platform but just want a bare-bones guide to getting up and running, NetTuts.com has what you're looking for.

We’ve raved about the brilliance of Heroku before, mostly around the fact that it makes launching a Rails or Node app rather simple without having to configure your own server. But what if you want the same kind of freedom and speed of deployment with PHP? Fortunately, Heroku has quietly offered support for PHP for quite some time.

You'll need to get their CLI deployment tool and set up an account but the rest is pretty easy. The steps to set up the git repo, add a new "heroku" branch and push the checked in code directly out to the server.