/**
* Returns a value for the CURLOPT_POSTFIELDS option.
*
* @return string|array A post fields value
*/
private static function getPostFields(Message\Request $request)
{
if (!$request instanceof Message\FormRequest) {
return $request->getContent();
}
$fields = $request->getFields();
$multipart = false;
foreach ($fields as $name => $value) {
if ($value instanceof Message\FormUpload) {
$multipart = true;
if ($file = $value->getFile()) {
// replace value with upload string
$fields[$name] = '@' . $file;
if ($contentType = $value->getContentType()) {
$fields[$name] .= ';type=' . $contentType;
}
} else {
return $request->getContent();
}
}
}
return $multipart ? $fields : http_build_query($fields);
}
