function cleantalk_get_real_ip in Anti Spam by CleanTalk 8

Same name and namespace in other branches

1. 7 cleantalk.module \cleantalk_get_real_ip()
2. 7.2 cleantalk.module \cleantalk_get_real_ip()

1 call to cleantalk_get_real_ip()

Cleantalk::ct_session_ip in src/Cleantalk.php

Get user IP behind proxy server

File

./cleantalk.module, line 126

Main CleanTalk integration module functions.

Code

function cleantalk_get_real_ip() {
  if (function_exists('apache_request_headers')) {
    $headers = apache_request_headers();
  }
  else {
    $headers = $_SERVER;
  }
  if (array_key_exists('X-Forwarded-For', $headers) && filter_var($headers['X-Forwarded-For'], FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
    $the_ip = $headers['X-Forwarded-For'];
  }
  elseif (array_key_exists('HTTP_X_FORWARDED_FOR', $headers) && filter_var($headers['HTTP_X_FORWARDED_FOR'], FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
    $the_ip = $headers['HTTP_X_FORWARDED_FOR'];
  }
  else {
    $the_ip = filter_var($_SERVER['REMOTE_ADDR'], FILTER_VALIDATE_IP, FILTER_FLAG_IPV4);
  }
  return $the_ip;
}