https://paiza.io/projects/wYJwmMi1IYUV2bcSzWtZNQ?language=php
https://paste2.org/jLn6xW13
https://hackmd.io/s/rys9FNNnkg
https://paiza.io/projects/2IN78TWXhdhEToly_m1qIg?language=php
https://paste2.org/wtNg7p4P