REMOTE_ADDR

string(11) "54.226.7.15"

HTTP_X_FORWARDED_FOR

string(24) "54.226.7.15, 54.226.7.15"
array(2) {
  [0]=>
  string(11) "54.226.7.15"
  [1]=>
  string(12) " 54.226.7.15"
}