wpmu_upgrade_page │ action-hook │ WP 3.0.0

Fires before the footer on the network upgrade screen.

Usage

add_action( 'wpmu_upgrade_page', 'wp_kama_wpmu_upgrade_page_action' );

/**
 * Function for `wpmu_upgrade_page` action-hook.
 * 
 * @return void
 */
function wp_kama_wpmu_upgrade_page_action(){

	// action...
}

Changelog

Where the hook is called

do_action( 'wpmu_upgrade_page' );

Where the hook is used in WordPress