$campaignSets = json_decode($account->getCampaigns($fields)->getResponse()->getBody());
print_r($campaignSets->data);
echo "<br><br>";
$insight_fields = array(
    'campaign_name',
    'adset_name',
    'adset_id',
    'ad_name',
    'ad_id',
    'clicks',
    'impressions',
    'reach',
    'spend',
    'cpc',
    'cpm',
    'cpp',
    'ctr',
    'reach',
    'unique_clicks',
    'unique_ctr',
    'cost_per_unique_click',
    'actions',
    'cost_per_action_type'
    );

$insight_params = array(
    'level' => 'account',
    'time_range' => array(
        'since' => "2017-06-01",
        'until' => "2017-07-31"
    ),
    'date_preset' => 'lifetime'
    );

$insights = $account->getInsights($insight_fields, $insight_params)->getResponse()->getBody();
print_r($insights);