public static function getEventsByDateRange($start, $end, $cal_ids)
{
$evt_start = 'start>="' . $start . '"';
$evt_end = 'start<="' . $end . '"';
$rec_start = 'start<="' . $end . '"';
$rec_end = '(last_occurrence>="' . $start . '" OR last_occurrence is null)';
$events = array();
$query = CalendarEvent::find()->andFilterWhere(['and', $evt_start, $evt_end])->orFilterWhere(['and', $rec_start, $rec_end])->andWhere(['calendar_id' => $cal_ids]);
foreach ($query->all() as $evt) {
$events = array_merge($events, self::getDatesByEventID($evt->id, $start, $end));
}
return $events;
}
