| Description | 
                    Xdebug and provides a range of features to improve the PHP development 
experience. 
 
Step Debugging 
    A way to step through your code in your IDE or editor while the script is 
    executing. 
 
Improvements to PHP's error reporting 
    An improved var_dump() function, stack traces for Notices, Warnings, Errors 
    and Exceptions to highlight the code path to the error 
 
Tracing 
    Writes every function call, with arguments and invocation location to disk. 
    Optionally also includes every variable assignment and return value for 
    each function. 
 
Profiling 
    Allows you, with the help of visualisation tools, to analyse the 
    performance of your PHP application and find bottlenecks. 
 
Code Coverage Analysis 
    To show which parts of your code base are executed when running unit tests 
    with PHP Unit. |