On PHPBuilder.com today there's a new tutorial from Jason Gilmore helping you get started with Jenkins for building and deploying your PHP applications. Jenkins (formerly Hudson) can make things "one click simple" for you to correctly push your applications live every time.
Although a Java-based solution, an active plugin community has made it possible to use Jenkins for far more than Java-specific projects. More recently it has become much easier for Jenkins' novices to use the project in conjunction with PHP projects thanks to the work of Sebastian Bergmann. Known as Template for Jenkins Jobs for PHP Projects, the project provides a configuration file which you'll use to enable Jenkins/PHP integration, and supports several popular familiar PHP tools such as PHP_CodeSniffer and PHPUnit.
He walks you through a brief installation of Jenkins (packages on a Debian install) and shows you how to get your git repository, the source for it to pull from) configured and ready to pull. He also includes some other screenshots showing you where to look for the build status, results from past builds and how to get the system to build documentation as a part of the build.