I want to disable registration in q2a site.
I have a website say xyz.com and this website also require registration and login
My q2a site is at q2a.xyz.com
So now, I want users to use there login id of xyz.com at q2a.xyz.com for login.
Username & passwords are in table => tbl_users
Username are in column => user
Password are in column => pass
Database for both will be different