login

<?php include 'lib/library.php';



    if ($_SERVER['REQUEST_METHOD'] == "POST"){
        $username = $_POST['username'];
        $password = $_POST['password'];

        $sql = "SELECT * FROM t_login
        WHERE username = '$username'
        AND password = '$password'";

        $data = $mysqli->query($sql) or die($mysqli->error);

        if ($data->num_rows != 0) {
            $row = mysqli_fetch_object($data);
            $_SESSION['username'] = $row->username;
            $_SESSION['level'] = $row->level;
            header('location:index.php');

        }
        else {
            $error = "username atau password salah";

        }
    }

    include 'views/v_login.php';

    ?>