update_user_option
update_user_option ( $user_id, $option_name, $newvalue, $is_global = false )
Parameters:- (int) user_id User ID.
- (string) option_name User option name.
- (mixed) newvalue User option value.
- (bool) is_global Optional. Whether option name is global or blog specific. Default false (blog specific).
Returns:- (int|bool) User meta ID if the option didn't exist, true on successful update, false on failure.
Defined at: - Introduced in WordPress: 2.0.0
- Deprecated in WordPress: —
Description
Updates user option with global blog capability.User options are just like user metadata except that they have support for
global blog options. If the 'is_global' parameter is false, which it is by default,
it will prepend the WordPress table prefix to the option name.
Deletes the user option if $newvalue is empty.