$user = 'root';
    $pass = '';
    $db = 'toDoListUsers';

    $conn = new mysqli('localhost', $user, $pass, $db)
    or die("Could not connect to Database");


    $username = $_POST['first_Name'];

    $password = $_POST['last_Name'];


$username = stripcslashes($username);
$password = stripcslashes($password);


$result = mysqli_query($conn,"select * from users where username = '$username' and password = '$password'") or die("failed to query database".mysqli_error())


$ram = mysqli_fetch_array($conn,$result);
if($ram[username]== $username && $ram[password] == $password ){
    echo "login success!!! welcome".$ram[username];
}else{
    echo "failed to log in";
}
    $conn->close();