https://paiza.io/projects/eDXatAtu0r0ycnVLZ7SBoQ?language=php
https://paste2.org/43XX1pNN
https://hackmd.io/s/SybVWIE2ke
https://paiza.io/projects/HLTswko2w3JO8D2_4yd2sQ?language=php
https://paste2.org/DsUe3GaN