Harrie Verver has a new post to his blog today looking at some benchmarking numbers he's run on the performance difference Xdebug (the popular PHP debugger) would have on a production system.Normally this tool would be used on your development environment, or in rare occasions on some remote environment that is similar to the production environment. [...] Since you are adding extra overhead it is very likely things will run slower. But how significant is this difference. Would it be something worth...