https://rifco.ru/blog/2017/11/06/%d0%be%d1%87%d0%b5%d1%80%d0%b5%d0%b4%d0%bd%d1%8b%d0%b5-%d1%81%d1%80%d0%b0%d0%b2%d0%bd%d0%b5%d0%bd%d0%b8%d1%8f-php-%d1%84%d1%80%d0%b5%d0%b9%d0%bc%d0%b2%d0%be%d1%80%d0%ba%d0%be%d0%b2-%d0%b8-orm/