https://paiza.io/projects/aOJW42YH55sdLwafq4SmDw?language=php
https://paste2.org/hyL4jnHa
https://hackmd.io/s/H1nFEXr2kl
https://paiza.io/projects/9mOCDJkycgOmtEHSEqnBMg?language=php
https://paste2.org/KwzWZMMB