<?php session_start();

if(isset($_POST['Submit'])){
$logins = array('username' => 'password123');


$Username = isset($_POST['Username']) ? $_POST['Username'] : '';
$Password = isset($_POST['Password']) ? $_POST['Password'] : '';


if (isset($logins[$Username]) && $logins[$Username] == $Password){


$_SESSION['UserData']['Username']=$logins[$Username];
  if (isset($_SESSION["login_redirect"])) {
        header("Location: " . $_SESSION["login_redirect"]);
        unset($_SESSION["login_redirect"]);
    } else {
        header("Location: index.php");
    }
exit;
} else {

/* Login failed display message */
$msg="<span style='color:red'>Invalid Login Details</span>";
}
}