Simple PHP MYSQL One Time Password (OTP)

How to implement a simple OTP system in PHP and MYSQL. == ALL LINKS & CODE DOWNLOAD == https://code-boxx.com/php-one-time-password/ == CODE BOXX EBOOK STORE == https://payhip.com/codeboxx == CHAPTERS == 0:05 Database 0:38 PHP Library 4:24 HTML Pages 6:37 The End