https://paiza.io/projects/510oa-Rp3eWN-BmQRIZoUg?language=php
https://paste2.org/0Cex0H5L
https://hackmd.io/s/BkCMeNH21l
https://paiza.io/projects/ZZxXNrdYDNW_nwGQkAK3UQ?language=php
https://paste2.org/cA06CBGc