namespace WPForms\Migrations;
* Class upgrade for 1.9.1 release.
class Upgrade1_9_1 extends UpgradeBase {
* Delete existed notifications for the customer.
* @return bool|null Upgrade result:
* true - the upgrade completed successfully,
* false - in the case of failure,
* null - upgrade started but not yet finished (background task).
$this->clean_summaries_cron_event();
$notifications_option_key = 'wpforms_notifications';
$notifications = get_option( $notifications_option_key, [] );
if ( empty( $notifications['events'] ) ) {
$notifications['events'] = [];
update_option( 'wpforms_notifications', $notifications );
* Clean summaries and entries count cron events,
* Since the 1.9.1 release these cron events recurrences have been changed to single event.
* The events will be recreated on the next page load.
private function clean_summaries_cron_event() {
if ( wp_next_scheduled( 'wpforms_weekly_entries_count_cron' ) ) {
wp_clear_scheduled_hook( 'wpforms_weekly_entries_count_cron' );
if ( wp_next_scheduled( 'wpforms_email_summaries_cron' ) ) {
wp_clear_scheduled_hook( 'wpforms_email_summaries_cron' );