https://paiza.io/projects/DOloYERfY0NilZNwVlmYHg?language=php
https://paste2.org/OMe5VZyC
https://hackmd.io/s/ryo1_XB2Jx
https://paiza.io/projects/5Z4TygAMYeFSVKJgS1hTNQ?language=php
https://paste2.org/YCs9jA9a