public static function stream_headers_function($existing_headers)
{
return function ($curl, $header_string) use($existing_headers) {
$http_status_code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
http_response_code($http_status_code);
if (preg_match(UBHTTP::$powered_by_header_regex, $header_string) == 1) {
$result = UBHTTP::rewrite_x_powered_by_header($header_string, $existing_headers);
header($result);
} elseif (preg_match(UBHTTP::$forward_headers, $header_string)) {
// false means don't replace the exsisting header
header($header_string, false);
}
// We must show curl that we've processed every byte of the input header
return strlen($header_string);
};
}
