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

  session_start();
  if (isset($_GET["state"]) && $_GET["state"] == "close") {
    session_destroy();
    header("Location: index.php");
    exit();
  } elseif (isset($_SESSION["sname"]) && isset($_SESSION["semail"])) {
    $name = $_SESSION["sname"];
    $email = $_SESSION["semail"];
  }
?>
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>Details Page</title>
</head>
<body>
  <section>
  <?php
    echo "<p>Name: ".htmlspecialchars($name)."</p>";
    echo "<p>Email: ".htmlspecialchars($email)."</p>";
  ?>
    <p>
      <a href="account.php?state=close">Log Out</a>
    </p>
  </section>
</body>
</html>