curl -L -H 'Authorization: Bearer access_token' -X GET https://api.admitad.com/advcampaigns/6/website/22/
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_POSTFIELDS, array('Authorization' => $admitad_api));
$str = curl_exec($curl);
echo $str;