PHPGuzzleHttp无法获取到返回结果

$client = new GuzzleHttp\Client;

$respOnse= $client->request('POST', 'http://www.jgggbbs.cn/member.php?mod=logging&action=login&loginsubmit=yes&handlekey=login&loginhash=LRTTI&inajax=1', array(

    'form_params' => array(

        'username'=>'test',

        'password'=>'fwefwegweg'

    ),

    'allow_redirects' => true,

    'headers' => [

        'User-Agent' => 'Mozilla/5.0 (Windows NT 10.0; …) Gecko/20100101 Firefox/61.0',

        'content-type' => 'application/x-www-form-urlencoded',

        'cache-control'      => 'no-cache'

    ]

));

print_r($response->getBody()); //这里输出为空，无法获取到返回结果

$curl = curl_init();



curl_setopt_array($curl, array(

  CURLOPT_URL => "http://www.jgggbbs.cn/member.php?mod=logging&action=login&loginsubmit=yes&handlekey=login&loginhash=LRTTI&inajax=1",

  CURLOPT_RETURNTRANSFER => true,

  CURLOPT_ENCODING => "",

  CURLOPT_MAXREDIRS => 10,

  CURLOPT_TIMEOUT => 30,

  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,

  CURLOPT_CUSTOMREQUEST => "POST",

  CURLOPT_POSTFIELDS => "username=test&password=test",

  CURLOPT_HTTPHEADER => array(

    "cache-control: no-cache",

    "content-type: application/x-www-form-urlencoded"

  ),

));



$respOnse= curl_exec($curl);

$err = curl_error($curl);



curl_close($curl);



if ($err) {

  echo "cURL Error #:" . $err;

} else {

  echo $response; //这里能获取反返回结果

}