only available to registered users
If the users are logged in, there have a username and ID to identifier. WordPress have functions to get this data, easy to use. You get as as example the user datas via wp_get_current_user()
and only the ID of the logged in user via get_current_user_id()
. The documentation of the functions is inside the codex, there have a lot of documentations about this topic, also examples.
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