PhpOffice\PhpPresentation\Shape\Chart\Series::getHashCode PHP Метод

    public function getHashCode()
    {
        return md5((is_null($this->fill) ? 'null' : $this->fill->getHashCode()) . (is_null($this->font) ? 'null' : $this->font->getHashCode()) . var_export($this->values, true) . var_export($this, true) . __CLASS__);
    }