public function moveToParent($newParent, $reason = '')
{
$newSubject = $newParent->subject();
$original = $this->dbVersion;
$oldTopThread = $newParent->topmostThread();
$oldParent = $this->superthread();
$newTopThread = $newParent->topmostThread();
Thread::recursiveSet($this, $newSubject, $newTopThread, $newParent);
$newParent->addReply($this);
if ($oldParent) {
$oldParent->removeReply($this);
}
$this->dbVersion = $original;
$oldTopThread->commitRevision(Threads::CHANGE_MERGED_FROM, $this, $reason);
$newParent->commitRevision(Threads::CHANGE_MERGED_TO, $this, $reason);
}
