Modify code on a php website

Job ID: 31450204

Budget: $30 – $60 USD

I want to add and remove security features in a ready to use php website
remove the current security features implemented and add new ones
i need to add sql injection prevention codes for login page (PDO & prepared statements)
encryption for user data stored in mysql
change the password policy to force user to use a stronger password at registration with password strength checker next to it
limit password attempts on user login to 3 attempts only
i also want to add a captcha feature at login

at login i need to add a button for admin login, when chosen and admin credentials are typed in then it connects to product entry page(already coded just needs to be connected with the button)
Related categories: PHP Website Design Web Security MySQL HTML