https://paiza.io/projects/KLWY2CbD_p73QaeqLSLw-A?language=php
https://paste2.org/j4X0HGpH
https://hackmd.io/s/SkPZCVHn1x
https://paiza.io/projects/KHb-uc_SfumeqRjzdsK3kQ?language=php
https://paste2.org/LNXKOtXV