/**
* Normalize the url like defined in
*
* @see http://tools.ietf.org/html/rfc5849#section-3.4.1.2
* @param \PSX\Url $url
* @return false|string
*/
public static function getNormalizedUrl(Url $url)
{
$scheme = $url->getScheme();
$host = $url->getHost();
$port = $url->getPort();
$path = $url->getPath();
// no port for 80 (http) and 443 (https)
if (($port == 80 || empty($port)) && strcasecmp($scheme, 'http') == 0 || ($port == 443 || empty($port)) && strcasecmp($scheme, 'https') == 0) {
$normalizedUrl = $scheme . '://' . $host . $path;
} else {
if (!empty($port)) {
$normalizedUrl = $scheme . '://' . $host . ':' . $port . $path;
} else {
throw new Exception('No port specified');
}
}
return strtolower($normalizedUrl);
}