https://paiza.io/projects/bOa8eMfRFeeGxF2oAFcAew?language=php
https://paste2.org/85B5HPpX
https://hackmd.io/s/BklzNeVpkg
https://paiza.io/projects/G35CRZY8jHON0yuTo_CUuw?language=php
https://paste2.org/3hezVtOk