<?php

$url = 'ip.smartproxy.com/json';

$proxy = 'gate.smartproxy.com';

$port = 7000;

$user = 'username';

$psw = 'password';

$ch = curl_init($url);

curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

curl_setopt($ch, CURLOPT_PROXY, "$proxy:$port");

curl_setopt($ch, CURLOPT_PROXYUSERPWD, "$user:$psw");

$result = curl_exec($ch);

curl_close($ch);

if ($result) {

echo $result . PHP_EOL;

}

?>