Algo-Web / POData

            $comma = ',';

        }

        if (!is_null($eTag)) {

            // If eTag is made up of datetime or string properties then the above

            // IType::converToOData will perform utf8 and url encode. But we don't

            // want this for eTag value.

            $eTag = urldecode(utf8_decode($eTag));

            return ODataConstants::HTTP_WEAK_ETAG_PREFIX . rtrim($eTag, ',') . '"';

        }

        return null;

    }

            $comma = ',';

        }

        if (!is_null($eTag)) {

            // If eTag is made up of datetime or string properties then the above

            // IType::convertToOData will perform utf8 and url encode. But we don't

            // want this for eTag value.

            $eTag = urldecode(utf8_decode($eTag));

            return rtrim($eTag, ',');

        }

        return null;

    }