function createAbsoluteUrl($url, $base)
{
//check input
if (empty($url) || empty($base)) {
return NULL;
}
// php parse_url will go berserk with space in front
// just try parse_url on " http://www.3mik.com/item/1"
$url = trim($url);
$base = trim($base);
$scheme = \parse_url($url, PHP_URL_SCHEME);
if (!empty($scheme)) {
return $url;
}
// Urls only containing query or anchor
if (Util::startsWith($url, "#") || Util::startsWith($url, "?")) {
return $base . $url;
}
// Parse base URL and convert to local variables: $scheme, $host, $path
$pieces = \parse_url($base);
$scheme = isset($pieces["scheme"]) ? $pieces["scheme"] : "";
$host = isset($pieces["host"]) ? $pieces["host"] : "";
// If no path, use /
$path = isset($pieces["path"]) ? $pieces["path"] : "/";
// Remove non-directory element from path
$path = preg_replace('#/[^/]*$#', '', $path);
// Destroy path if relative url points to root
if (Util::startsWith($url, '/')) {
$path = '';
}
// Dirty absolute URL
$abs = "{$host}{$path}/{$url}";
// Replace '//' or '/./' or '/foo/../' with '/'
$re = array('#(/\\.?/)#', '#/(?!\\.\\.)[^/]+/\\.\\./#');
for ($n = 1; $n > 0; $abs = preg_replace($re, '/', $abs, -1, $n)) {
}
// Absolute URL is ready!
return $scheme . '://' . $abs;
}
