In his latest post to his Web Species blog Juozas Kaziukenas looks at dependency management in PHP applications and offers a few suggestions of how you can make them easier to track.

Rarely a project lives by itself, especially in the days of frameworks. Furthermore, there are a lot of great open source libraries you might want to use to save time. But all of this raises a new problem - how could we manage all those dependencies. Here are some thoughts on this problem and how you might want to solve it; without shooting yourself in a foot.

He mentions svn:externals and git's submodule as options in version control systems, PEAR for package management, Apache Maven and the deps file in the Symfony framework.