Xdebug is great for... debugging! It has a huge footprint and your metrics just don't mean anything. Btw, the concept of altering the result of what you are ob

Xdebug is great for... debugging! It has a huge footprint and your metrics just don't mean anything. Btw, the concept of altering the result of what you are observing by the fact of observing itself doesn't remind you of Schroedinger's cat? :)