[Johnson_boy]

Quote:

Originally Posted by Mean ...No... As far as I know, mysql_num_rows is used when the thing you put in query is found or not. Use strcmp to compare passwords.

There is no need for strcmp, that mysql_num_rows is just the right one.
You run your query like SELECT NULL FROM `table` WHERE `username` LIKE 'name' AND `password` = 'pass', which returns something only if there is row with same username and password.