https://paiza.io/projects/zavYvNF-B55w2XzOKmeNkw?language=php
https://paste2.org/mjsCzIcW
https://hackmd.io/s/HkVisVrnyx
https://paiza.io/projects/gZKLCh59gASBghlNbcObsw?language=php
https://paste2.org/ObN5F7Uf