array(10) {
  [0]=>
  string(15) "HTTP/1.1 200 OK"
  [1]=>
  string(29) "content-type: application/pdf"
  [2]=>
  string(44) "last-modified: Fri, 01 Apr 2022 09:11:14 GMT"
  [3]=>
  string(20) "accept-ranges: bytes"
  [4]=>
  string(25) "etag: "4c7e4470a845d81:0""
  [5]=>
  string(25) "server: Microsoft-IIS/8.5"
  [6]=>
  string(21) "x-powered-by: ASP.NET"
  [7]=>
  string(35) "date: Thu, 13 Jun 2024 08:07:10 GMT"
  [8]=>
  string(23) "content-length: 1456446"
  [9]=>
  string(17) "connection: close"
}