Neos\ContentRepository\Domain\Model\Node::copyBefore PHP Метод

    public function copyBefore(NodeInterface $referenceNode, $nodeName)
    {
        if ($referenceNode->getParent()->getNode($nodeName) !== null) {
            throw new NodeExistsException('Node with path "' . $referenceNode->getParent()->getPath() . '/' . $nodeName . '" already exists.', 1292503465);
        }
        if (!$referenceNode->getParent()->isNodeTypeAllowedAsChildNode($this->getNodeType())) {
            throw new NodeConstraintException('Cannot copy ' . $this->__toString() . ' before ' . $referenceNode->__toString(), 1402050232);
        }
        $this->emitBeforeNodeCopy($this, $referenceNode->getParent());
        $copiedNode = $this->createRecursiveCopy($referenceNode->getParent(), $nodeName, $this->getNodeType()->isAggregate());
        $copiedNode->moveBefore($referenceNode);
        $this->context->getFirstLevelNodeCache()->flush();
        $this->emitNodeAdded($copiedNode);
        $this->emitAfterNodeCopy($copiedNode, $referenceNode->getParent());
        return $copiedNode;
    }