Make a login

Question

I apologize in advance for the poor wording.
How do you allow users to login. Also how do you encrypt there passwords?
(this would be for a website)

Answer 1

Login for what? Login for your SQL database or a login for your PHP website ?

MySQL :
https://dev.mysql.com/doc/refman/5.7/en/assigning-passwords.html

PHP-Login / PHP Session with MySQL backend :

https://www.php-einfach.de/experte/php-codebeispiele/loginscript/

Answer 2

Don't store store your passwords in clear text, work with hash values :)