PHP Runtime Tracer for debugging

1. require or autoload Tracer at the top of your execution scripts, usually index.php. Then initialize it.
   Example:

require_once 'tracer.php';
Tracer::init();

2. Start adding data into Tracer

Tracer::add('name', 'any type of data');

3. Upon page exit, Tracer::__destruct will be called to show your desired code trace.
   Example:
   

1. xdebug for code coverage [OPTIONAL]

Other xdebug tracer tools you could consider:

1. https://github.com/troelskn/php-tracer-weaver
2. https://github.com/dainbrump/Tracer