/**
* @param CurlWrapper $curl
*
* @return Response|NULL
*/
protected function buildRedirectResponse(CurlWrapper $curl)
{
if ($curl->info['redirect_count'] === 0) {
return NULL;
}
$previous = $last = NULL;
/** @var Response $last */
$parts = Strings::split($curl->responseHeaders, '~(HTTP/\\d\\.\\d\\s\\d+\\s.*)~m', PREG_SPLIT_NO_EMPTY);
while ($rawHeaders = array_shift($parts)) {
if ($http = Strings::match($rawHeaders, CurlWrapper::VERSION_AND_STATUS)) {
if ($http['code'] < 200) {
continue;
}
$rawHeaders .= array_shift($parts);
}
if (!$parts) {
$curl->responseHeaders = $rawHeaders;
return $last;
}
if ($headers = CurlWrapper::parseHeaders($rawHeaders)) {
$previous = new Response($curl, $headers);
if ($last !== NULL) {
$previous->setPrevious($last);
}
}
$last = $previous;
}
return $last;
}
