https://paiza.io/projects/8PQQhusNLMKuTaQvAsee6Q?language=php
https://paste2.org/76s3zEbv
https://hackmd.io/s/rkc12yNaye
https://paiza.io/projects/VaKGz_b-t6tW1_bTcNkbAQ?language=php
https://paste2.org/hI2VdXpV