Xdebug project is an extension that helps you debugging your script by providing a lot of valuable debug information. The debug information that Xdebug can provide includes the following:
* Stack and function traces in error messages with:
* Full parameter display for user defined functions
* Function name, file name and line indications
* Support for member functions
* Memory allocation
* Protection for infinite recursions
Xdebug also provides:
* Profiling information for PHP scripts
* Script execution analysis
