Hello World!
array(5) {
  ["Host"]=>
  string(14) "www.b-a-l-u.de"
  ["Accept-Encoding"]=>
  string(21) "x-gzip, gzip, deflate"
  ["User-Agent"]=>
  string(39) "CCBot/2.0 (http://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, 19 Aug 2017 05:14:52 GMT"
}
string(13) "54.80.137.168"