Nobody says it is not possible to use PHP in all the use cases you mentioned. But is PHP the best tool for those, or is it just the one closest to the hand? You

Nobody says it is not possible to use PHP in all the use cases you mentioned. But is PHP the best tool for those, or is it just the one closest to the hand? You definitely can do surgery with a kitchen knife instead of a scalpel, but often the long-term result would be better if a more appropriate tool was used.