You need to configure your PHP stack to use XDebug. The process differs if you are using XAMPP 1.7.1, which bundles PHP 5.2.6, or XAMPP 1.7.2, which bundles PHP 5.3. Many users have experienced difficulties in getting XDebug to work on their systems.. XDebug on XAMPP 1.7.1 (PHP 5.2) You must...