Login System

How I can to do a login system for a game?
Player accounts will be saved in a MySQL DB.And I want receive data from DB.

http://www.opserver.de/ubb7/ubbthreads.php?ubb=showflat&Number=442642&page=1
Use search function

You can use a plugin or a php script. I guess php script is easiest way.

I will use PHP,because I worked with PHP for 2 years.