I find that under most circumstances php-fpm and nginx is already enormously snappy and resource miserly, especially compared to rails. That's just anecdotal bu

I find that under most circumstances php-fpm and nginx is already enormously snappy and resource miserly, especially compared to rails. That's just anecdotal but I've seen the same thing in a lot of places. Performance wise PHP is in a pretty reasonable state except at scales that only a few companies in the world have to worry about.