REMOTE_ADDR

string(14) "107.20.121.254"

HTTP_X_FORWARDED_FOR

string(30) "107.20.121.254, 107.20.121.254"
array(2) {
  [0]=>
  string(14) "107.20.121.254"
  [1]=>
  string(15) " 107.20.121.254"
}