Hello World!
array(6) {
  ["User-Agent"]=>
  string(40) "CCBot/2.0 (https://commoncrawl.org/faq/)"
  ["Accept"]=>
  string(63) "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"
  ["If-Modified-Since"]=>
  string(29) "Sat, 20 Oct 2018 07:20:12 UTC"
  ["Host"]=>
  string(14) "www.b-a-l-u.de"
  ["Connection"]=>
  string(10) "Keep-Alive"
  ["Accept-Encoding"]=>
  string(4) "gzip"
}
string(12) "52.91.90.122"