private static function getProxyConfiguration($url)
{
$hostname = UrlHelper::getHostFromUrl($url);
if (Url::isLocalHost($hostname)) {
return array(null, null, null, null);
}
// proxy configuration
$proxyHost = Config::getInstance()->proxy['host'];
$proxyPort = Config::getInstance()->proxy['port'];
$proxyUser = Config::getInstance()->proxy['username'];
$proxyPassword = Config::getInstance()->proxy['password'];
return array($proxyHost, $proxyPort, $proxyUser, $proxyPassword);
}