I don't know what is your problem with line 101, i dont get any error. Btw i updated my last post, and added patch file.
Code:# Check if account exists (username, password) function accountExists($username,$password){ $password = cleanuserinput($password); $login = cleanuserinput($username); $result = mysql_query("SELECT * FROM accounts WHERE login='".$login."' and password='".$password."'"); $count = mysql_num_rows($result); <== THIS THE LINE 101 return $count==1; }