How to run this script
1. Download and Unzip the file on your local system.
2. copy passwordhashing folder and put this file inside root directory(for xampp is htdocs,for wamp is www and for lamp is var/www/)
3. Database Configuration

Open phpmyadmin

http://localhost/phpmyadmin
Create Database passwordhistory
Import database passwordhistory(file available inside the pacakege)
Open Your browser put inside browser “http://localhost/passwordhistory/