How to retrieve user id?

Can someone explain to me how to retrieve the user id of the user in the current session? I need to retrieve it and add it as an identifier to other data being saved to another db. Thanks

Can someone explain to me how to retrieve the user id of the user in the current session? I need to retrieve it and add it as an identifier to other data being saved to another db. Thanks

check the default example page:

and call the id

$page_protect->id

thanks Olaf! Got it.
:-)

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