https://paiza.io/projects/3EP216C82ZhKOyYKhomlcg?language=php
https://paste2.org/XkxmaH6y
https://hackmd.io/s/HJTzU1EpJg
https://paiza.io/projects/T0TYkQqBQ3tJ3leh4B9v3A?language=php
https://paste2.org/28zYCNUn