$api = Api::init($app_id, $app_secret, $access_token);
$api->setLogger(new CurlLogger());

$fields = array(
  'name',
  'objective',
);
$params = array(
  'effective_status' => array('ACTIVE','PAUSED'),
);
$result = json_encode((new AdAccount($id))->getCampaigns(
  $fields,
  $params
)->getResponse()->getContent(), JSON_PRETTY_PRINT);

$result2 = json_decode($result);
print_r($result2);

foreach($result2 as $item){
    echo $item['name'];
}