diff --git a/test_ldap.php b/test_ldap.php
index fb36864..76ed329 100644
--- a/test_ldap.php
+++ b/test_ldap.php
@@ -1,51 +1,87 @@
 <?php
+session_start(); // start de sessie
+
 require __DIR__ . '/auth/ldap.php';
-require __DIR__ . '/data/db.php';         // $pdo
+require __DIR__ . '/data/db.php';
 require __DIR__ . '/functions/logging.php';
 require __DIR__ . '/functions/ldap_groups.php';
 
-if ($_SERVER['REQUEST_METHOD'] === 'POST') {
-    $username = $_POST['username'] ?? '';
-    $password = $_POST['password'] ?? '';
+// Afmelden
+if (isset($_POST['logout'])) {
+    if (isset($_SESSION['user'])) {
+        log_action($pdo, $_SESSION['user']['username'], 'Uitgelogd', 'Test-login script');
+    }
+    session_destroy();
+    header('Location: ' . $_SERVER['PHP_SELF']);
+    exit;
+}
+
+// Inloggen
+if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['username'], $_POST['password'])) {
+    $username = $_POST['username'];
+    $password = $_POST['password'];
 
     $user = ldap_authenticate($username, $password);
 
     if ($user) {
-        echo "<h3 style='color:green;'>✅ Inloggen geslaagd!</h3>";
-        echo "<ul>";
-        echo "<li>Naam: " . htmlspecialchars($user['displayName']) . "</li>";
-        echo "<li>Voornaam: " . htmlspecialchars($user['givenName']) . "</li>";
-        echo "<li>Achternaam: " . htmlspecialchars($user['sn']) . "</li>";
-        echo "<li>Gebruikersnaam: " . htmlspecialchars($user['username']) . "</li>";
-        echo "<li>Email: " . htmlspecialchars($user['email']) . "</li>";
-        echo "</ul>";
-
-        // Haal alle voornamen op
-        $members = get_group_members('APP_LootjesTrekken');
-
-        echo "<h3>Deelnemers aan de trekking:</h3><ul>";
-        foreach ($members as $name) {
-            echo "<li>" . htmlspecialchars($name) . "</li>";
-        }
-        echo "</ul>";
-
-        // Log de succesvolle login
+        $_SESSION['user'] = $user;
         log_action($pdo, $user['username'], 'Inloggen via LDAP', 'Test-login script');
+        header('Location: ' . $_SERVER['PHP_SELF']);
+        exit;
     } else {
-        echo "<p style='color:red;'>❌ Ongeldige inloggegevens.</p>";
-        // Optioneel log mislukte login
+        $error = "Ongeldige inloggegevens.";
         log_action($pdo, $username, 'Mislukte login via LDAP', 'Test-login script');
     }
 }
 ?>
 
-<?php
+<!DOCTYPE html>
+<html lang="nl">
+<head>
+<meta charset="UTF-8">
+<title>LDAP Login Test</title>
+</head>
+<body>
 
+<?php if (isset($_SESSION['user'])): ?>
+    <h3 style="color:green;">✅ Ingelogd als <?= htmlspecialchars($_SESSION['user']['displayName']) ?></h3>
+    <ul>
+        <li>Voornaam: <?= htmlspecialchars($_SESSION['user']['givenName']) ?></li>
+        <li>Achternaam: <?= htmlspecialchars($_SESSION['user']['sn']) ?></li>
+        <li>Gebruikersnaam: <?= htmlspecialchars($_SESSION['user']['username']) ?></li>
+        <li>Email: <?= htmlspecialchars($_SESSION['user']['email']) ?></li>
+    </ul>
 
-?>
+    <?php
+    // Leden van APP_LootjesTrekken
+    $members = get_group_members('APP_LootjesTrekken');
+    if (!empty($members)):
+    ?>
+        <h3>Deelnemers aan de trekking:</h3>
+        <ul>
+            <?php foreach ($members as $name): ?>
+                <li><?= htmlspecialchars($name) ?></li>
+            <?php endforeach; ?>
+        </ul>
+    <?php endif; ?>
 
-<form method="post">
-    <label>Gebruikersnaam (zonder domein): <input type="text" name="username" required></label><br>
-    <label>Wachtwoord: <input type="password" name="password" required></label><br>
-    <button type="submit">Login</button>
-</form>
+    <form method="post">
+        <button type="submit" name="logout">Afmelden</button>
+    </form>
+
+<?php else: ?>
+
+    <?php if (!empty($error)): ?>
+        <p style="color:red;"><?= htmlspecialchars($error) ?></p>
+    <?php endif; ?>
+
+    <form method="post">
+        <label>Gebruikersnaam (zonder domein): <input type="text" name="username" required></label><br>
+        <label>Wachtwoord: <input type="password" name="password" required></label><br>
+        <button type="submit">Login</button>
+    </form>
+
+<?php endif; ?>
+
+</body>
+</html>
