https://paiza.io/projects/XzzWTDhb1KgIrTRwfo2_Tw?language=php
https://paste2.org/67cMWddv
https://hackmd.io/s/HJlT5yETkg
https://paiza.io/projects/38f-L4KTC-JWO3wa5_WyMA?language=php
https://paste2.org/hLBp74mv