Notification system


Notification System plugin creates and maintains notification system for users on WordPress site.

Plugin has options page in the site console, with relevant buttons and controls. Please see screenshots.


Notifications are custom posts of type notification. There is a standard custom post interface, with menu in admin.

Administrator can create, edit, and delete notifications. One taxonomy is available: Channel. Administrator is able to add, edit, and delete taxonomy terms. To restrict notification to some users, add user logins as a comma-separated list.


Plugin creates page /notifications “on the fly” – it does not exist in the database. Information on this page is visible only to logged in users (restricted by permissions in REST API Controller).

Plugin creates popup window if url contains hash #notifications, like that: This is an easy way to show popup window with notifications from anywhere. Just create a link like <a href="">Notifications</a> and a click on this link will open popup window with notifications.

Logged-in users can list notifications, and filter them by a channel.

Show more button provides pagination of the notifications list.

For those users who have capability ‘edit_posts’, additional buttons are shown: Create, Update, and Delete. Popup windows provide relevant inputs. All notifications can be edited right from the frontend.

Site administrators

Add a custom link to the menu, with #notifications url. Use any navigation label, or space(s) for empty label. Save menu. On site frontend, you will see a new menu item with icon and unread count. By click on this menu item a popup window with notifications will be opened.


Create an element(s) with the class ‘unread-notifications-count’. The best place for such element(s) is somewhere in header or menu. It(they) can be updated by plugin during custom JS event ‘update_unread_counts’. Example:

const count = 5;
    new CustomEvent(
        { 'detail': count }

From php code, count element(s) for current user can be updated using ‘update_unread_counts’ action. Example:

do_action( 'update_unread_counts' );


Plugin is prepared for translation. All strings are output via gettext functions. There is a .pot file in /language directory with strings collected.


php code conforms to php 5.6 level.
js code conforms to ES6 level.

All code is checked by php Code Sniffer, and conforms to WordPress Coding Standards.


  • The Notification System /#notifications popup (frontend).
  • The Notification System Update Notification popup.


Minimum Requirements

  • PHP version 5.6 or greater (PHP 7.3 or greater is recommended)
  • MySQL version 5.0 or greater (MySQL 5.6 or greater is recommended)

Automatic installation

Automatic installation is the easiest option as WordPress handles the file transfers itself and you don’t need to leave your web browser. To do an automatic install of Notification Systems plugin, log in to your WordPress dashboard, navigate to the Plugins menu and click Add New.

In the search field type “notification system” and click Search Plugins. Once you’ve found our plugin you can view details about it such as the point release, rating and description. Most importantly of course, you can install it by simply clicking “Install Now”.

Manual installation

The manual installation method involves downloading our plugin and uploading it to your webserver via your favourite FTP application. The WordPress codex contains instructions on how to do this here.


Automatic updates should work like a charm; as always though, ensure you backup your site just in case.


Where can I get support or talk to other users?

If you get stuck, you can ask for help in the Notification System Plugin Forum.


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기여자 & 개발자

“Notification system”(은)는 오픈 소스 소프트웨어입니다. 다음의 사람들이 이 플러그인에 기여하였습니다.


“Notification system”(이)가 1(으)로 번역되었습니다. 기여해 주셔서 번역자님께 감사드립니다.

자국어로 “Notification system”(을)를 번역하세요.

개발에 관심이 있으십니까?

코드 탐색하기는, SVN 저장소를 확인하시거나, 개발 기록RSS로 구독하세요.



  • Tested with WordPress 6.0


  • Tested with WordPress 5.7


  • Tested with WordPress 5.5
  • Fix bug with inability to filter notifications by channel
  • Fix notice in admin if user does ot exist anymore


  • Tested with WordPress 5.4


  • Tested with WordPress 5.3


  • Php version bumped up to 5.6
  • Tested with WordPress 5.2


  • Code refactoring to conform WordPress Coding Standards.


  • Initial release.