Proper way to send (POST) xml with guzzle 6

Question

I want to perform a post with guzzle sending an xml file. I did not find an example.

What I 've done so far is :

$xml2=simplexml_load_string($xml) or die("Error: Cannot create object");
use    GuzzleHttp\Client;
use GuzzleHttp\Psr7\Request;
$client = new Client();
//
$request = new Request('POST', $uri, [ 'body'=>$xml]);
$response = $client->send($request);
 //
//$code = $response->getStatusCode(); // 200
//$reason = $response->getReasonPhrase(); // OK
 //
 echo $response->getBody();

No matter what I try I get back error -1 which means that xml is not valid. XML that I send passes online validation though and is valid %100

Please help.

Answer 1

This is what worked for me on Guzzle 6:

// configure options
$options = [
    'headers' => [
        'Content-Type' => 'text/xml; charset=UTF8',
    ],
    'body' => $xml,
];

$response = $client->request('POST', $url, $options);