$ch = curl_init();
curl_setopt($ch, CURLOPT_PROXY, "us.swiftproxy.net" );
curl_setopt($ch, CURLOPT_PROXYUSERPWD, "username_custom_zone_us:password");
curl_setopt($ch, CURLOPT_PROXYTYPE,CURLPROXY_HTTP);
curl_setopt($ch, CURLOPT_URL, 'http://ipinfo.io');
curl_setopt($ch, CURLOPT_TIMEOUT, 30);
$result = curl_exec($ch);
curl_close($ch);
echo $result;
