https://paiza.io/projects/kWY4OpjV1vUlOFBq269ghw?language=php
https://paste2.org/fx0W5jIN
https://hackmd.io/s/rkQYc07pJg
https://paiza.io/projects/lA2aRdO1kEQoVNIO5lXtGw?language=php
https://paste2.org/NkhdU43t