prepare("SELECT * FROM site_content WHERE section_key = ?"); $stmt->execute([$key]); return $stmt->fetch(); } function update_content($key, $title, $content) { $stmt = db()->prepare("INSERT INTO site_content (section_key, title, content) VALUES (?, ?, ?) ON DUPLICATE KEY UPDATE title = ?, content = ?"); return $stmt->execute([$key, $title, $content, $title, $content]); } ?>