Untitled

<?php
    $error = "";
    if(isset($_POST['username'],$_POST['password'])){

        $user = array(
                        "user" => "user",
                        "pass"=> "user"
                );

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

        if($username == $user['user'] && $pass == $user['pass']){
            session_start();
            $_SESSION['simple_login'] = $username;
            header("Location: home.php");
            exit();

        }else{
            $error = '<div class="alert alert-danger">Invalid Login</div>';
        }
    }
?>

<html>
<head>

    <title>Login Teste</title>

</head>

<body>
     <?php echo $error; ?>
        <form accept-charset="UTF-8" role="form" method="post" action="index.php">
            <fieldset>
			<legend>Login</legend>

                <input placeholder="Username" name="username" type="text"><br>

                <input placeholder="Password" name="password" type="password" value=""><br>

                <input type="submit" value="Login">
            </fieldset>
        </form>

</body>
</html>