https://paiza.io/projects/vQrSKePZUUZBE8EXsCSMRA?language=php
https://paste2.org/hOmYpHh3
https://hackmd.io/s/SyYmdVHnye
https://paiza.io/projects/fKgl6U0BriBxYDcK53dfXw?language=php
https://paste2.org/1sN3Ik7B