Curl + AWS IPv6 lookup test

curl_ipv6.php

<?php
# Requires PHP 5.5
$ch = curl_init("https://sqs.eu-central-1.amazonaws.com/");

curl_setopt($ch, CURLOPT_HEADER, 0);
#curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

echo curl_exec($ch);
if($errno = curl_errno($ch)) {
    $error_message = curl_strerror($errno);
    echo "cURL error ({$errno}):\n {$error_message}";
}
curl_close($ch);