Untitled

<?php

$username = $_POST['username'];
$password = $_POST['password'];

if(isset($_POST['loginBtn']) && isset($username) && isset($password)) {
    $connect = mysql_connect("localhost", "root", "") or die (mysql_error());
    mysql_select_db("phplogin") or die (mysql_error());

    $query = mysql_query("SELECT * FROM `users` WHERE `username`='".$username."'");
    $numrows = mysql_num_rows($query);

    if($numrows == 1) {
        $row = mysql_fetch_assoc($query);
        $dbUsername = $row['username'];
        $dbPassword = $row['password'];

        if($username == $dbUsername && $password == $dbPassword) {
            echo "Inloggad";
        } else {
            echo "Fel lösenord!";
        }
    } else {
        die("Användaren finns inte!");
    }
}

?>

<html>
<body>
<form action="#" method="POST">
<input type="text" name="username" />
<input type="password" name ="password" />
<input type="submit" name="loginBtn" />
</form>
</body>
</html>