How to get user ID in Joomla?

How to get user ID in Joomla? What code should I use? Are there detailed instructions with screenshots? I can't figure out the issue on my own. I need help from more experienced colleagues. Who can help?

To get the user ID in Joomla, you can use a special code. Unfortunately, I can't provide you with screenshots. If you need help, you can PM me. I will show you the screen via screen sharing. Or you can read this guide on how to get the user id in Joomla here http://devhubby.com/thread/how-to-get-the-user-id-in-joomla