wp-includes/user.php:3024Returns a list of meta keys to be (maybe) populated in wp_update_user().
$userWP_Userstring[]function _get_additional_user_keys( $user ) { $keys = array( 'first_name', 'last_name', 'nickname', 'description', 'rich_editing', 'syntax_highlighting', 'infinite_scrolling', 'comment_shortcuts', 'admin_color', 'use_ssl', 'show_admin_bar_front', 'locale' ); return array_merge( $keys, array_keys( wp_get_user_contact_methods( $user ) ) );}Introduced in 3.3.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/user.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.