<?php

session_start();

if (isset($_POST['Submit'])){
  if (isset($_POST['username'],$_POST['password'])) {
    $user = $_POST['username'];
    $pass = $_POST['password'];

    if (($user == 'Giggs') && ($pass == 'password')) {
      $_SESSION['login'] = 'true';
      echo 'Logged in successfully.';
    }
    else { echo 'Fuck off.'; }
  }
}

?>

<form action="#" method="post">
Username: <input type="text" name="username"><br /><br />
Password: <input type="password" name="password"><br /><br />
<input type="submit" name="Submit" value="Submit">
</form>





--------------------------


<?php

session_start();

if ($_SESSION['login'] == 'true') {
  echo 'blahhhhh';
}