/**
* Returns the base URI.
* The base URI is 'protocol://server.name:port'
* @return string
*/
public static function urlbase()
{
if (is_null(self::$URLBASE)) {
//DAV::debug('$_SERVER: ' . var_export($_SERVER, true));
self::$URLBASE = empty($_SERVER['HTTPS']) ? 'http://' : 'https://';
self::$URLBASE .= $_SERVER['SERVER_NAME'];
if (!empty($_SERVER['HTTPS']) && $_SERVER['SERVER_PORT'] != 443 or empty($_SERVER['HTTPS']) && $_SERVER['SERVER_PORT'] != 80) {
self::$URLBASE .= ":{$_SERVER['SERVER_PORT']}";
}
}
return self::$URLBASE;
}