https://paiza.io/projects/JM_gfnjvF8jOFzp0DWKBtw?language=php
https://paste2.org/B7EJ6s0p
https://hackmd.io/s/By0svH4hkg
https://paiza.io/projects/ywW5a7dTSYHZu8xk42_erA?language=php
https://paste2.org/G3kFwLDm