* Features include breakpoints with conditionals and monitors; * colorized source code display; * graphical display panels showing threads, stack frames, visible variables, and loaded classes; * command interface for more advanced features; Java-like expression evaluation, including method invocation.

* Xdebug's basic functions include the display of stack traces on error conditions, maximum nesting level protection and time tracking. * 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 - code coverage analysis - Capabilities to debug your scripts interactively with a debugger front-end.