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admin.php

@@ -86,12 +86,13 @@ try {
                         <th>Referrer</th>
                         <th>GCLID</th>
                         <th>FBCLID</th>
+                        <th>Actions</th>
                     </tr>
                 </thead>
                 <tbody>
                     <?php if (empty($attendees)): ?>
                         <tr>
-                            <td colspan="16" class="text-center">No attendees yet.</td>
+                            <td colspan="17" class="text-center">No attendees yet.</td>
                         </tr>
                     <?php else: ?>
                         <?php foreach ($attendees as $attendee): ?>
@@ -112,6 +113,12 @@ try {
                                 <td><?= htmlspecialchars($attendee['referrer']) ?></td>
                                 <td><?= htmlspecialchars($attendee['gclid']) ?></td>
                                 <td><?= htmlspecialchars($attendee['fbclid']) ?></td>
+                                <td>
+                                    <form action="delete_attendee.php" method="POST" onsubmit="return confirm('Are you sure you want to delete this attendee?');">
+                                        <input type="hidden" name="id" value="<?= $attendee['id'] ?>">
+                                        <button type="submit" class="btn btn-danger btn-sm">Delete</button>
+                                    </form>
+                                </td>
                             </tr>
                         <?php endforeach; ?>
                     <?php endif; ?>

delete_attendee.php

@@ -0,0 +1,26 @@
+<?php
+session_start();
+
+// If the user is not logged in as admin, do nothing.
+if (!isset($_SESSION['user']) || $_SESSION['user'] !== 'admin') {
+    header('HTTP/1.1 403 Forbidden');
+    exit;
+}
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['id'])) {
+    require_once 'db/config.php';
+    try {
+        $pdo = db();
+        $stmt = $pdo->prepare('DELETE FROM attendees WHERE id = :id');
+        $stmt->bindParam(':id', $_POST['id'], PDO::PARAM_INT);
+        $stmt->execute();
+    } catch (PDOException $e) {
+        // In a real app, you'd log this error.
+        // For this example, we'll just stop execution.
+        die("Database error: " . $e->getMessage());
+    }
+}
+
+// Redirect back to the admin page
+header('Location: admin.php');
+exit;

register.php

@@ -171,6 +171,16 @@ if ($_SERVER["REQUEST_METHOD"] == "POST") {
                             <a href="index.php" style="color: #f6e05e; text-decoration: underline;">Back to Home</a>
                         </div>
                     </div>
+                <?php elseif ($error_message && strpos($error_message, 'You are already registered') !== false): ?>
+                    <div class="success-message">
+                        <h1>Already Registered</h1>
+                        <p><?= htmlspecialchars($error_message) ?></p>
+                        <p>You can view webinar details on your dashboard.</p>
+                        <div style="margin-top: 2rem;">
+                            <a href="dashboard.php" style="color: #f6e05e; text-decoration: underline;">Go to Dashboard</a>
+                            <a href="index.php" style="color: #f6e05e; text-decoration: underline; margin-left: 1rem;">Back to Home</a>
+                        </div>
+                    </div>
                 <?php else: ?>
                     <?php if ($error_message): ?>
                         <div class="error-message"><?= htmlspecialchars($error_message) ?></div>