$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "https://tls.testegerencianet.com.br/");
curl_setopt($ch, CURLOPT_SSLVERSION, 6);
$content = curl_exec($ch);
echo "\n";
if ($err = curl_error($ch)) {
var_dump($err);
echo "DEBUG INFORMATION:\n###########\n";
echo "CURL VERSION:\n";
echo json_encode(curl_version(), JSON_PRETTY_PRINT);
}