https://paiza.io/projects/N5mZbbWxapiXeHMX48v6Sg?language=php
https://paste2.org/7gaUBx2C
https://hackmd.io/s/BkQfpJ4pyg
https://paiza.io/projects/90YQk_38d_7QZmr3Ekm4JQ?language=php
https://paste2.org/tCOZ9BP2
https://hackmd.io/s/BJDBayNTke
https://paiza.io/projects/HAw1OLgCo7CGdW2YvdCczQ?language=php
https://paste2.org/FwWfjI5s