Smf Ban Mesaj

<?php
if ($_POST != NULL)
{
    $username = $_POST["username"];
    $password = $_POST["pass"];
    $hash = sha1(strtolower($username) . $password);

    $user = "extrem"; //veritabanı kullanıcı adı
    $pwd = "bayraktar,3"; //veritabanı şifresi
    $host = "extremitysoft.com:3308"; //mysql server
    $db = "extrem_extremit_db"; //veritabanı adı

    $conn = mysql_connect($host,$user,$pwd) or die("MySQL sunucusuna baglanilamadi!!!".mysql_error());

    mysql_select_db($db)  or die("Veritabani secilemedi!!!".mysql_error());

    mysql_query("SET NAMES 'latin5'");
    mysql_query("SET CHARACTER SET latin5");
    mysql_query("SET COLLATION_CONNECTION = 'latin5_turkish_ci'");

    $result = mysql_query("SELECT * FROM smf_members where member_name = '{$username}' and passwd = '{$hash}'");

    if(mysql_num_rows($result)!=0)
    {
        while($oku = mysql_fetch_assoc($result))
        {
            echo "Kullanıcı : ".$oku["member_name"]."<br>";
            echo "Parola    : ".$oku["passwd"];
        }
    }else
    {
        echo "Hic kayit yok!";
    }

    mysql_close($conn);
}
?>