getOption(DeferredAdminNotices::OPTIONS_KEY_NAME, []); $notices[] = [ "message" => $message, "networkAdmin" => true,// if we'll need to display the notice to anyone else ]; WPFunctions::get()->updateOption(DeferredAdminNotices::OPTIONS_KEY_NAME, $notices); } public function printAndClean() { $notices = WPFunctions::get()->getOption(DeferredAdminNotices::OPTIONS_KEY_NAME, []); foreach ($notices as $notice) { $notice = new Notice(Notice::TYPE_WARNING, $notice["message"]); WPFunctions::get()->addAction('network_admin_notices', [$notice, 'displayWPNotice']); } if (!empty($notices)) { WPFunctions::get()->deleteOption(DeferredAdminNotices::OPTIONS_KEY_NAME); } } }