CForumCacheManager::OnMessageUpdate

public function OnMessageUpdate($ID, $arFields, $arMessage = array())
{
	$arMessage = (is_array($arMessage) ? $arMessage : array());
	$topic_id = (isset($arFields["FORUM_TOPIC_ID"]) ? $arFields["FORUM_TOPIC_ID"] : $arFields["TOPIC_ID"]);
	if (isset($arFields["APPROVED"]) && $topic_id <= 0)
		$topic_id = $arMessage["TOPIC_ID"];
	if ($topic_id > 0)
		$this->ClearTag("T", $topic_id);
	$forum_id = (isset($arFields["FORUM_ID"]) ? $arFields["FORUM_ID"] : 0);
	if (isset($arFields["APPROVED"]) && $forum_id <= 0)
		$forum_id = $arMessage["FORUM_ID"];
	if ($forum_id > 0)
		$this->ClearTag("forum_msg_count".$forum_id);
}