This quiz was played at the joint x-mas meetup by Symfony User Group Berlin, Berlin PHP Usergroup, Coding Berlin and Mayflower:
https://www.meetup.com/sfugberlin/events/256836721/
Results of round 2:
https://github.com/coding-berlin/xmas-meetup2018
Contact me on twitter if you need the answers or the original Powerpoint presentation: https://twitter.com/el_stoffel