The Xdebug extension helps you debugging your script by providing a lot of valuable debug information. The debug information that Xdebug can provide includes the following: * stack traces and function traces in error messages with: o full parameter display for user defined functions o function name, file name and line indications o support for member functions * memory allocation * protection for infinite recursions Xdebug also provides: * profiling information for PHP scripts * code coverage analysis * capabilities to debug your scripts interactively with a debug client * garbage collection statistics