Loader\Csv::save PHP Method

    public function save()
    {
        if (empty($this->id)) {
            ++static::$count;
            $this->id = static::$count;
            static::$nodes[$this->id] = $this->node;
        } else {
            static::$nodes[$this->id] = $this->node;
        }
        $this->isLink = false;
        return $this;
    }