AttendeeCollection::loadAttendees

private function loadAttendees(): void
{
	foreach ($this->attendeesIdCollection as $attendee)
	{
		if (!$attendee)
		{
			continue;
		}

		// if (mb_strpos($attendee, 'U') === 0)
		// {
		// 	$attendee = mb_substr($attendee, 1);
		// }
		if ((int)$attendee)
		{
			$this->add(
				Helper::getUserRole((int)$attendee)
			);
		}
	}
}