Gazelle/sections/api/clear_user_notification.php

<?php
#declare(strict_types=1);

$Type = $_POST['type'];

switch ($Type) {
  case NotificationsManager::INBOX:
    NotificationsManager::clear_inbox();
    break;

  case NotificationsManager::NEWS:
    NotificationsManager::clear_news(false);
    break;

  case NotificationsManager::BLOG:
    NotificationsManager::clear_blog(false);
    break;

  case NotificationsManager::STAFFPM:
    NotificationsManager::clear_staff_pms();
    break;

  case NotificationsManager::TORRENTS:
    NotificationsManager::clear_torrents();
    break;

  case NotificationsManager::QUOTES:
    NotificationsManager::clear_quotes();
    break;

  case NotificationsManager::SUBSCRIPTIONS:
    NotificationsManager::clear_subscriptions();
    break;

  case NotificationsManager::COLLAGES:
    NotificationsManager::clear_collages();
    break;

  case NotificationsManager::GLOBALNOTICE:
    NotificationsManager::clear_global_notification();
    break;
    
  default:
    break;
}

if (strpos($Type, "oneread_") === 0) {
    NotificationsManager::clear_one_read($Type);
}