https://paiza.io/projects/RRIGC9FPFYxx2hYnAoNOHA?language=php
https://paste2.org/YZNV8F6L
https://hackmd.io/s/HyT6X14ayx
https://paiza.io/projects/wwbPMHz8sl_YvYLx5Exwhw?language=php
https://paste2.org/1mMYx23J