/**
* Pull the complete list of @-mentioned profile IDs for this notice.
*
* @return array of integer profile ids
*/
function getReplies()
{
if (!isset($this->_replies[$this->getID()])) {
$mentions = Reply::multiGet('notice_id', array($this->getID()));
$this->_replies[$this->getID()] = $mentions->fetchAll('profile_id');
}
return $this->_replies[$this->getID()];
}