code: private function createFrom($filepath)
      {
          if (file_exists($filepath)) {
              $anyDataSet = XmlUtil::createXmlDocumentFromFile($filepath);
              $this->collection = array();
  
              $rows = $anyDataSet->getElementsByTagName("row");
              foreach ($rows as $row) {
                  $sr = new Row();
                  $fields = $row->getElementsByTagName("field");
                  foreach ($fields as $field) {
                      $attr = $field->attributes->getNamedItem("name");
                      if (is_null($attr)) {
                          throw new \InvalidArgumentException('Malformed anydataset file ' . basename($filepath));
                      }
  
                      $sr->addField($attr->nodeValue, $field->nodeValue);
                  }
                  $sr->acceptChanges();
                  $this->collection[] = $sr;
              }
              $this->currentRow = count($this->collection) - 1;
          }
      }
docs: Private method used to read and populate anydataset class from specified file
  
  @param string $filepath Path and Filename to be read
  @throws \ByJG\Serializer\Exception\InvalidArgumentException
  @throws \ByJG\Util\Exception\XmlUtilException