public function find_users_for_notification($pm, $options = array())
{
$options = array_merge(array('ignore_users' => array()), $options);
if (!sizeof($pm['recipients'])) {
return array();
}
unset($pm['recipients'][$pm['from_user_id']]);
$this->user_loader->load_users(array_keys($pm['recipients']));
return $this->check_user_notification_options(array_keys($pm['recipients']), $options);
}