https://paiza.io/projects/yHRf2vHspNiMWi5rMhPzSA?language=php
https://paste2.org/3IMNZMVL
https://hackmd.io/s/H109M1E61l
https://paiza.io/projects/yq616Dlgu2RH5fSx-0GBOw?language=php
https://paste2.org/khDUDvOI