/**
* Gets the Block nodes siblings at a version.
*
* Retrieving siblings from the database could be simple if we did not need to take
* the changesets into account, because then we would just get all blocks with the same
* parent. However the changesets in BlockLogEntry probably store changed parents and
* so they must be applied on the entire tree first before we can tell.
*
* @param BlockInterface $block
* @param integer $rootVersion
*
* @return false|ArrayCollection
*/
public function getSiblings(BlockInterface $block, $version = false)
{
$owner = $block->getOwner();
$family = $this->findByOwner($owner, $version);
$siblings = array();
foreach ($family as $member) {
if ($member->getParent() && $member->getParent()->getId() == $block->getParent()->getId()) {
array_push($siblings, $member);
}
}
return $siblings;
}
