WordPress at a glance
action is not described

update_wpmu_options action-hook . WP MU

Fires after the network options are updated.

Usage

add_action( 'update_wpmu_options', 'action_function_name_8689' );
function action_function_name_8689(){
	// action...
}

Notes

  • Since MU (3.0.0)

Where the hook is called

In file: /wp-admin/network/settings.php
update_wpmu_options
wp-admin/network/settings.php 105
do_action( 'update_wpmu_options' );

Where the hook is used (in WP core)

Does not used.