<?php
  $name = "Undefined";
  $email = "Undefined";

  if (isset($_GET["name"])) {
    $name = $_GET["name"];
  }
  if (isset($_GET["email"])) {
    $email = $_GET["email"];
  }
?>
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>Details Page</title>
</head>
<body>
  <section>
  <?php
    echo "<p>Name: ".htmlspecialchars($name)."</p>";
    echo "<p>Email: ".htmlspecialchars($email)."</p>";
  ?>
  </section>
</body>
</html>