https://paiza.io/projects/hlREX02onWfFOS215dqSZg?language=php
https://paste2.org/NeEKHZPZ
https://hackmd.io/s/ByKrgk4pJg
https://paiza.io/projects/7e1QnxoRGKNwITNdU4ezVg?language=php
https://paste2.org/DfpeV3Wy