$session_id
in the cookie or URL.core.user_setup
(_after
) which is called on every request for both guests and members.core.page_header
is the last of the mentioned events to get triggered, if it's triggered at all. For example, AJAX requests might not render the page header, and in the ACP core.adm_page_header
is called instead.core.user_setup_after
to update the user's device_name column in the db.core.page_header_after
to assign variables to the template - over all (like function page_header did at those times )core.viewtopic_cache_user_data
and core.viewtopic_modify_post_row