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Using PHP, It can send login data through the POST method. Using MySQL, It can check registered users. The login form does not allow invalid data and protects from the hacking Login can convert illegal user input into legal input data. You can’t get into the dashboard until you will not log in with valid credentials. You can log out after login. Before creating a login form in your project, you must have to create a signup/registration form. Because users can’t log in without signup/ register. If you don’t know to create a registration form, then there is no need to worry, you can also learn it on this website by clicking the following link. Read Also Create Registration/signup Form using PHP PHP Form Validation

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