public function display_created_recurrences_notice()
 {
     $pending = get_post_meta(get_the_ID(), '_EventNextPendingRecurrence', true);
     if (!$pending) {
         return;
     }
     $start_dates = tribe_get_recurrence_start_dates(get_the_ID());
     $count = count($start_dates);
     $last = end($start_dates);
     $pending_message = __('%d instances of this event have been created through %s. <a href="%s">Learn more.</a>', 'tribe-events-calendar-pro');
     $pending_message = sprintf($pending_message, $count, date_i18n(tribe_get_date_format(true), strtotime($last)), 'http://m.tri.be/lq');
     $this->notice->render($pending_message, 'updated');
 }

 function tribe_is_recurring_event($postId = null)
 {
     if (is_object($postId)) {
         $postId = $postId->ID;
     }
     $postId = $postId ? $postId : get_the_ID();
     if (get_post_type($postId) != TribeEvents::POSTTYPE) {
         return false;
     }
     $instances = tribe_get_recurrence_start_dates($postId);
     $recurring = count($instances) > 1;
     if (!$recurring && get_post_meta($postId, '_EventNextPendingRecurrence', true)) {
         $recurring = true;
     }
     return apply_filters('tribe_is_recurring_event', $recurring, $postId);
 }

 /**
  * An event can have one or more start dates. This gives
  * the earliest of those.
  *
  * @param int $post_id
  *
  * @return string The date string for the earliest occurrence of the event
  */
 public static function get_series_start_date($post_id)
 {
     if (function_exists('tribe_get_recurrence_start_dates')) {
         $start_dates = tribe_get_recurrence_start_dates($post_id);
         return reset($start_dates);
     } else {
         return get_post_meta($post_id, '_EventStartDate', true);
     }
 }

 /**
  * Placed here for compatibility reasons. This can be removed
  * when Events Calendar 3.2 or greater is released
  *
  * @todo Remove this method
  *
  * @param int $post_id
  *
  * @return string
  * @see  Tribe__Events__Main::get_series_start_date()
  */
 private static function get_series_start_date($post_id)
 {
     if (method_exists('Tribe__Events__Main', 'get_series_start_date')) {
         return Tribe__Events__Main::get_series_start_date($post_id);
     }
     $start_dates = tribe_get_recurrence_start_dates($post_id);
     return reset($start_dates);
 }

 /**
  * @param int $master_parent_event_id
  */
 private function get_master_series_ids_and_start_dates($master_parent_event_id)
 {
     if (empty($this->master_series_ids_and_start_dates_cache[$master_parent_event_id])) {
         $master_series_recurrence_dates = implode("','", tribe_get_recurrence_start_dates($master_parent_event_id));
         /** @var \wpdb $wpdb */
         global $wpdb;
         $wpml_translations_table = $wpdb->prefix . 'icl_translations';
         $post_type = Tribe__Events__Main::POSTTYPE;
         $results = $wpdb->get_results("SELECT p.ID AS 'event_id', pm.meta_value AS 'start_date', wpml.trid as 'trid'\n\t\t\t\t\tFROM {$wpdb->posts} p\n\t\t\t\t\tLEFT JOIN {$wpdb->postmeta} pm \n\t\t\t\t\tON p.ID = pm.post_id \n\t\t\t\t\tLEFT JOIN {$wpml_translations_table} wpml \n\t\t\t\t\tON wpml.element_id = p.ID\n\t\t\t\t\tWHERE pm.meta_key = '_EventStartDate' \n\t\t\t\t\tAND pm.meta_value IN ('{$master_series_recurrence_dates}')\n\t\t\t\t\tAND wpml.element_type = 'post_{$post_type}'\n\t\t\t\t\tAND wpml.element_id IN (SELECT ID FROM {$wpdb->posts} WHERE ID = {$master_parent_event_id} OR post_parent = {$master_parent_event_id}) \n\t\t\t\t\tAND wpml.trid IS NOT NULL\n\t\t\t\t\tAND p.post_type = '{$post_type}'");
         $this->master_series_ids_and_start_dates_cache[$master_parent_event_id] = !empty($results) ? array_combine(wp_list_pluck($results, 'start_date'), $results) : array();
     }
     return $this->master_series_ids_and_start_dates_cache[$master_parent_event_id];
 }

 public static function display_post_editor_recurring_notice()
 {
     $message = __('You are currently editing all events in a recurring series.', 'tribe-events-calendar-pro');
     printf('<div class="updated"><p>%s</p></div>', $message);
     $pending = get_post_meta(get_the_ID(), '_EventNextPendingRecurrence', true);
     if ($pending) {
         $start_dates = tribe_get_recurrence_start_dates(get_the_ID());
         $count = count($start_dates);
         $last = end($start_dates);
         $pending_message = __('%d instances of this event have been created through %s. <a href="%s">Learn more.</a>', 'tribe-events-calendar-pro');
         $pending_message = sprintf($pending_message, $count, date_i18n(tribe_get_date_format(true), strtotime($last)), 'http://m.tri.be/lq');
         printf('<div class="updated"><p>%s</p></div>', $pending_message);
     }
 }

 function tribe_is_recurring_event($postId = null)
 {
     $instances = tribe_get_recurrence_start_dates($postId);
     $recurring = count($instances) > 1;
     return apply_filters('tribe_is_recurring_event', $recurring, $postId);
 }