https://ru.stackoverflow.com/questions/655501/%d0%92%d1%8b%d0%b2%d0%b5%d1%81%d1%82%d0%b8-%d0%b8%d0%b7-%d0%b1%d0%b0%d0%b7%d1%8b-mysqli-%d1%81%d1%82%d1%80%d0%be%d0%ba%d0%b8-%d0%b2-%d0%bf%d0%b5%d1%80%d0%b5%d0%bc%d0%b5%d0%bd%d0%bd%d1%83%d1%8e - вопрос №2419773