Untitled

<?php
session_start();

$db = array(
                "username"=>"marcus", "password"=>"1234", "salt"=>"M!Kvm48nBKn!-jdhJGV@F5?"
                );

$user = $pdomodel->select( "username" );

$password = hash('sha512', $password . $user['0']['salt']);

if ($password == $user[0]['password']) {
        $_SESSION['username'] = $_POST['username'];
    }else {
        //Invalid Login
		echo "Bruger eller kode er forkert!";
}

if(isset($_GET['logout'])) {
    $_SESSION['username'] = '';
    header('Location:  ' . $_SERVER['PHP_SELF']);
}
echo password_hash("rasmuslerdorf", PASSWORD_DEFAULT)."\n";
?>
<html>
    <head>
        <title>Sikker login</title>
    </head>
    <body>
        <?php if($_SESSION['username']) {
        include 'view/loggedin.php';
        }
        else {
        include 'view/loggedout.php';
            }
        ?>
    </body>
</html>