//indsat i config.php

$login = new Authorize('', '');
$login->auth();



//authorize.class.php

<?
class Authorize {

    private $username;
    private $password;

    public function Authorize($username, $password) {
        $this->username = $username;
        $this->password = $password;
    }

    public function auth() {
        $result = mysql_query("SELECT * FROM admin_users WHERE username='$this->username' AND password='$this->password'");
        if (!$result) {
            die('Fejl i Query'.mysql_error());
        }
    }

}
?>