Sstalle\php7cc\NodeVisitor\ArrayOrObjectValueAssignmentByReferenceVisitor::enterNode PHP Метод

    public function enterNode(Node $node)
    {
        if (!$node instanceof Node\Expr\AssignRef) {
            return;
        }
        $this->checkArrayValueByReferenceCreation($node) || $this->checkObjectPropertyByReferenceCreation($node);
    }