Function introduction: 1. Powerful backend management! You can freely customize your own membership system! 2. The administrator can freely divide membership levels into unlimited levels without any restrictions. 3. The administrator can set members to access different pages according to different levels in the backend, or cancel 4. The administrator can search, modify, delete, and lock members in the background 5. The administrator can set up the background to open registered members or suspend registered members. 6. The administrator can set up the background to require registered members to be reviewed by the administrator before they can log in, or to cancel the review. 7. Members can freely modify their registration information 8. Members can retrieve their login password through registration information 9. Member password md5 encryption to prevent sql injection attacks, cross-site attacks, and database downloads 10. The code is further optimized and completely error-free! Strong compatibility, safe and efficient, simple and easy to use
