<?php
if (isset($_GET)) { $userid=$_GET['id'];}  else {die;}
?>
<!DOCTYPE HTML>
<html>
<head>
  <title>Experiment</title>
</head>
<body>
<center><h2>Here we are</h2><br> <h1>The Experiment</h1>

My User ID is : <?php echo $userid;?><br/><br/>
<?php
echo '<a href="http://www.mafoservice.de/survey/index.php/987634?&newtest=Y&userID='.$userid.'">To Survey</a>';
?>
</center> </body>

</html>