https://paiza.io/projects/apc8KXA9C1xFxYpbx99ayA?language=php
https://paste2.org/tPpE9Neg
https://hackmd.io/s/B1xC9SNhkx
https://paiza.io/projects/CbXjOfNOYgrOyBYkgFZ1zg?language=php
https://paste2.org/PIVP49Gn