/**
* Returns a ReplyBackState from a state.
*
* @param mixed $state
* @return ReplyBackState
*/
public static function FromState($state)
{
if (strpos($state, 'ReplyBackState') !== false) {
return unserialize($state);
} else {
$s = new ReplyBackState();
$s->SetICSState($state);
$s->SetReplyBackState(array());
return $s;
}
}
