https://ru.stackoverflow.com/questions/751747/php-mysql-%d0%b8%d0%b7-%d0%b1%d0%b0%d0%b7%d1%8b-%d0%b1%d1%80%d0%b0%d1%82%d1%8c-%d1%81%d0%be%d0%be%d0%b1%d1%89%d0%b5%d0%bd%d0%b8%d1%8f-%d1%82%d0%be%d0%bb%d1%8c%d0%ba%d0%be-%d0%b4%d0%bb%d1%8f-%d0%be%d0%bf%d1%80%d0%b5%d0%b4%d0%b5%d0%bb%d0%b5%d0%bd%d0%bd%d0%be%d0%b9-%d0%ba%d0%be%d0%bc%d0%bd%d0%b0%d1%82%d1%8b/802771#802771
test