Add a sortable user Id column into WordPress Users table


Sometimes it is useful to find the user_id of each user you have in your WordPress site.  This is especially helpful if you have a multisite with a lots of users.  Something like this:

user_d

In order to have that kind of functionality,  you can add the following code in your theme’s functions.php.
If you have a multisite installation the ID column will be only displayed in the network users admin page and not in each subsite’s users admin table.

 

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