A good way to manage notifications read/unread in my social network

1. How do I make FB notifications unread?
2. How do you mark all notifications as read on Facebook?
3. How to set read unread flag in PHP message system?
4. Which box contains all read and unread received messages *?

How do I make FB notifications unread?

From a browser: In Messages, click the empty circle to the right of the message you want to mark as unread. From the mobile app: Click and hold the pertinent message, tap the hamburger menu to the right, and select Mark as unread.

How do you mark all notifications as read on Facebook?

Click the bell icon.

Your Notifications pop-up menu will open. To see all your notifications, click 'See all to navigate to the full page. If you only want to mark your notifications as Read, click ••• in the top-right corner of the pop-up menu, then Mark all as read.

How to set read unread flag in PHP message system?

1) You can add field with name "users_reads" and put in it IDs of users, who read message, separating by comma. How to check if user reads message: if (in_array($userId, explode(',', $row['users_reads']))) ...

Which box contains all read and unread received messages *?

Inbox area displays a list of messages in a folder, where unread messages are bold.