How can I see the online user in PHP?
$res = mysql_query(“SELECT * FROM `posts` WHERE status=1 AND TIMESTAMPDIFF(MINUTE, last_activity_timestamp, NOW()) > 20;”); If the last activity of a user was more than 20 minutes old, then he is effectively logged out. PHP stores session data for each user in a temporary folder on the server.
How do you check user is online or not in laravel?
- Step 1 : Install Laravel and Basic Configurations. Each Laravel project needs this thing.
- Step 2 : Create a Middleware. Create a middleware named LastUserActivity by typing this command:
- Step 3 : Add Middleware to Kernel.
- Step 4 : Check Online Status in Controller
- Step 5 : Check Online Status in Blade File.
How do I appear offline when I am online on Whatsapp?
Launch WhatsApp, and head to your Settings tab, located in the bottom right hand corner. Next, go to Chat Settings/Privacy > Advanced. Toggle the Last Seen Timestamp option to OFF, and then, select Nobody to disable the application timestamps. This method will allow you to continue in “offline” mode.
Can I use firebase offline?
Cloud Firestore supports offline data persistence. You can write, read, listen to, and query the cached data. When the device comes back online, Cloud Firestore synchronizes any local changes made by your app to the Cloud Firestore backend. Note: Offline persistence is supported only in Android, iOS, and web apps.
What is presence system?
Firebase makes adding presence to your application very easy. A presence system is simply a way of sharing your status with other users. At a basic level, this status could be something simple like whether a given user is currently online or offline.
Can you see who stalks your Twitter?
There is no way for a Twitter user to know exactly who views their Twitter or specific tweets; there’s no Twitter search for that kind of thing. The only way to know for sure if someone has seen your Twitter page or posts is through direct engagement — a reply, a favorite, or a retweet.