CoreBB

HTML:

<!DOCTYPE html>
<html>
<head>
  <title>CoreBB Test Page</title>
  <meta charset="UTF-8">
</head>
<body>
  <h1>Vault Network Boards</h1>

  <div class="forum-row">
    <a href="/board/1/">General Discussion</a>
    <span class="topic-count">42 topics</span>
  </div>

  <p>This is a sample HTML block with <strong>bold text</strong> and a link.</p>
</body>
</html>

PHP:

<?php
function format_username($username)
{
    $username = trim($username);

    if ($username === '') {
        return 'Guest';
    }

    return htmlspecialchars($username, ENT_QUOTES, 'UTF-8');
}

$users = ['-Prismatic-', 'Admin', '<script>alert("x")</script>'];

foreach ($users as $user) {
    echo format_username($user) . "<br>\n";
}
?>

Python:

class Notification:
    def __init__(self, user, message):
        self.user = user
        self.message = message
        self.unread = True

    def mark_read(self):
        self.unread = False

notifications = [
    Notification("-Prismatic-", "Someone mentioned you in a thread."),
    Notification("Admin", "Your topic was moved.")
]

for note in notifications:
    status = "NEW" if note.unread else "READ"
    print(f"[{status}] {note.user}: {note.message}")

CSS:

.forum-row {
  background: #c0c0c0;
  border-bottom: 1px solid #808080;
  font-family: Verdana, Arial, sans-serif;
  font-size: 12px;
  padding: 4px;
}

.forum-row a {
  color: #0000cc;
  font-weight: bold;
  text-decoration: underline;
}

.topic-count {
  float: right;
  color: #333333;
}

JavaScript:

function markNotificationRead(id) {
  const row = document.getElementById("notification-" + id);

  if (!row) {
    return false;
  }

  row.classList.remove("unread");
  row.classList.add("read");

  return true;
}

markNotificationRead(42);

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