Ruslan Yakushev has posted some quick instructions on how to get Xdebug, the popular PHP debugger, enabled in the recently released WebMatrix tool from Microsoft.

When WebMatrix is used to build or modify a PHP-based web application the debugging tasks can be greatly simplified if Xdebug extension is used. This post explains how to install and use Xdebug extension with WebMatrix.

It's a simple six-step process (complete with screenshots) that shows you how to enable it in your php.ini, test that it's working with a simple buggy script and configure both the location to the correct DLL file and an output directory to create cachegrind files.