Can't download document when calling function getDocument

Question

Error: Call to a member function read() on string in DocuSign\eSign\ObjectSerializer::deserialize() (line 285 of/vendor/docusign/esign-client/src/ObjectSerializer.php).

I'm calling that function

$temp_file = $envelope_api->getDocument($accountID, $document_id, $envelope_id);

This is causing the issue

$file = fopen($filename, 'w');
while ($chunk = $data->read(200)) {
    fwrite($file, $chunk);
}
fclose($file);

Answer 1

If you think there's a bug in the PHP SDK (client library) please let us know. Version 5.2 was release recently, so it's possible there's some change in behavior compared to version 5.1.