Magento is a pretty good example, as I describe here (and oh my goodness the horrors in DCoder's followup comment): https://news.ycombinator.com/item?id=1215287

Magento is a pretty good example, as I describe here (and oh my goodness the horrors in DCoder's followup comment): https://news.ycombinator.com/item?id=12152874 https://news.ycombinator.com/item?id=12152874