I&#39;m trying to write a wrapper around an api my company is developing.  It&#39;s restful, and using Postman I can send a post request to an endpoint like `http://subdomain.dev.myapi.com/api/v1/auth/` with a username and password as POST data and I am given back a token.  All works as expected.  Now, when I try and do the same from PHP I get back a `GuzzleHttp\Psr7\Response` object, but can&#39;t seem to find the token anywhere inside it as I did with the Postman request.  

The relevant code looks like: 

    $client = new Client([&#39;base_uri&#39; =&gt; &#39;http://companysub.dev.myapi.com/&#39;]);
    $response = $client-&gt;post(&#39;api/v1/auth/&#39;, [
        &#39;form_params&#39; =&gt; [
            &#39;username&#39; =&gt; $user,
            &#39;password&#39; =&gt; $password
        ]
    ]);

    var_dump($response); //or $resonse-&gt;getBody(), etc...

The output of the code above looks something like (warning, incoming wall of text):

    object(guzzlehttp\psr7\response)#36 (6) {
      [&quot;reasonphrase&quot;:&quot;guzzlehttp\psr7\response&quot;:private]=&gt;
      string(2) &quot;ok&quot;
      [&quot;statuscode&quot;:&quot;guzzlehttp\psr7\response&quot;:private]=&gt;
      int(200)
      [&quot;headers&quot;:&quot;guzzlehttp\psr7\response&quot;:private]=&gt;
      array(9) {
        [&quot;connection&quot;]=&gt;
        array(1) {
          [0]=&gt;
          string(10) &quot;keep-alive&quot;
        }
        [&quot;server&quot;]=&gt;
        array(1) {
          [0]=&gt;
          string(15) &quot;gunicorn/19.3.0&quot;
        }
        [&quot;date&quot;]=&gt;
        array(1) {
          [0]=&gt;
          string(29) &quot;sat, 30 may 2015 17:22:41 gmt&quot;
        }
        [&quot;transfer-encoding&quot;]=&gt;
        array(1) {
          [0]=&gt;
          string(7) &quot;chunked&quot;
        }
        [&quot;content-type&quot;]=&gt;
        array(1) {
          [0]=&gt;
          string(16) &quot;application/json&quot;
        }
        [&quot;allow&quot;]=&gt;
        array(1) {
          [0]=&gt;
          string(13) &quot;post, options&quot;
        }
        [&quot;x-frame-options&quot;]=&gt;
        array(1) {
          [0]=&gt;
          string(10) &quot;sameorigin&quot;
        }
        [&quot;vary&quot;]=&gt;
        array(1) {
          [0]=&gt;
          string(12) &quot;cookie, host&quot;
        }
        [&quot;via&quot;]=&gt;
        array(1) {
          [0]=&gt;
          string(9) &quot;1.1 vegur&quot;
        }
      }
      [&quot;headerlines&quot;:&quot;guzzlehttp\psr7\response&quot;:private]=&gt;
      array(9) {
        [&quot;connection&quot;]=&gt;
        array(1) {
          [0]=&gt;
          string(10) &quot;keep-alive&quot;
        }
        [&quot;server&quot;]=&gt;
        array(1) {
          [0]=&gt;
          string(15) &quot;gunicorn/19.3.0&quot;
        }
        [&quot;date&quot;]=&gt;
        array(1) {
          [0]=&gt;
          string(29) &quot;sat, 30 may 2015 17:22:41 gmt&quot;
        }
        [&quot;transfer-encoding&quot;]=&gt;
        array(1) {
          [0]=&gt;
          string(7) &quot;chunked&quot;
        }
        [&quot;content-type&quot;]=&gt;
        array(1) {
          [0]=&gt;
          string(16) &quot;application/json&quot;
        }
        [&quot;allow&quot;]=&gt;
        array(1) {
          [0]=&gt;
          string(13) &quot;post, options&quot;
        }
        [&quot;x-frame-options&quot;]=&gt;
        array(1) {
          [0]=&gt;
          string(10) &quot;sameorigin&quot;
        }
        [&quot;vary&quot;]=&gt;
        array(1) {
          [0]=&gt;
          string(12) &quot;cookie, host&quot;
        }
        [&quot;via&quot;]=&gt;
        array(1) {
          [0]=&gt;
          string(9) &quot;1.1 vegur&quot;
        }
      }
      [&quot;protocol&quot;:&quot;guzzlehttp\psr7\response&quot;:private]=&gt;
      string(3) &quot;1.1&quot;
      [&quot;stream&quot;:&quot;guzzlehttp\psr7\response&quot;:private]=&gt;
      object(guzzlehttp\psr7\stream)#27 (7) {
        [&quot;stream&quot;:&quot;guzzlehttp\psr7\stream&quot;:private]=&gt;
        resource(40) of type (stream)
        [&quot;size&quot;:&quot;guzzlehttp\psr7\stream&quot;:private]=&gt;
        null
        [&quot;seekable&quot;:&quot;guzzlehttp\psr7\stream&quot;:private]=&gt;
        bool(true)
        [&quot;readable&quot;:&quot;guzzlehttp\psr7\stream&quot;:private]=&gt;
        bool(true)
        [&quot;writable&quot;:&quot;guzzlehttp\psr7\stream&quot;:private]=&gt;
        bool(true)
        [&quot;uri&quot;:&quot;guzzlehttp\psr7\stream&quot;:private]=&gt;
        string(10) &quot;php://temp&quot;
        [&quot;custommetadata&quot;:&quot;guzzlehttp\psr7\stream&quot;:private]=&gt;
        array(0) {
        }
      }
    }

The output from Postman was something like:

    {
        &quot;data&quot; : {
            &quot;token&quot; &quot;fasdfasf-asfasdfasdf-sfasfasf&quot;
        }
    }

Clearly I&#39;m missing something about working with the response objects in Guzzle.  The Guzzle response indicates a 200 status code on the request, so I&#39;m not sure exactly what I need to do to retrieve the returned data.

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