PHPDebugger is used for debugging PHP scripts.It can debug PHP scripts on local as well as remote servers. The Just In Time (JIT) gives the power to debug an entire web application through a Web Server.It has Inbuilt Profiler functionality.
PHP Profiler is both a Zend extension and module capable of generating profiling information (function call statistics) for PHP applications on the server side. No PHP code has to be changed, although the profiler data is available to your scripts.