/**
* Transform a QTI Datatype value to a value compliant
* with result server.
*
* @param mixed $value
* @return string
*/
private static function transformValue($value)
{
if (gettype($value) === 'object') {
if ($value instanceof File) {
return taoQtiCommon_helpers_Utils::qtiFileToString($value);
} else {
return $value->__toString();
}
} else {
return $value;
}
}
