https://paiza.io/projects/VZSnuf-WiWaR0B4VUAw6mQ?language=php
https://paste2.org/mZD0AJHy
https://hackmd.io/s/Hk12rmrhJe
https://paiza.io/projects/HZF63nP08v7j63-ru_9KxA?language=php
https://paste2.org/GwwnL0x2