code: function fromXML($xmlElement)
      {
          if (isset($xmlElement->id)) { $this->id = (int)$xmlElement->id; }
          if (isset($xmlElement->filename)) { $this->filename = (string)$xmlElement->filename; }
          if (isset($xmlElement->sizekb)) { $this->sizekb = (int)$xmlElement->sizekb; }
          if (isset($xmlElement->mime_type)) { $this->mime_type = (string)$xmlElement->mime_type; }
          if (isset($xmlElement->diagnosis)) { $this->diagnosis = (string)$xmlElement->diagnosis; }
          if (isset($xmlElement->created)) { $this->created = (string)$xmlElement->created; }
          if (isset($xmlElement->updated)) { $this->updated = (string)$xmlElement->updated; }
      }
docs: Initialization of the attachment from a simple xml element.
  
  @param SimpleXMLElement $xmlElement
  The xml element that is used to parse the attachment from.