Display the country from which the form is being submitted

In this article we will describe how to get the IP address of a submitting client and displaying the country which it belongs to.

In order to achieve this functionality, just create a hidden field with the following code placed in the "Default Value" area.

 
//<code>
try {
  // Let's cache results for better performance
  $cache = JFactory::getCache();
  $cache->setCaching(true);
 
  // Grab the IP
  $ip = JFactory::getApplication()->input->server->getString('REMOTE_ADDR');
 
  // Call function through cache
  return $cache->call('rsform_get_ip', $ip);
} catch (Exception $e) {
 
}
 
function rsform_get_ip($ip) {
  // Get the HTTP transport
  $http = JHttpFactory::getHttp();
 
  // Create the URL for the API request
  $url = 'http://freegeoip.net/json/'.urlencode($ip);
 
  // Get response
  $response = $http->get($url);
 
  // Check if request is successful, a 200 code should be received.
  if ($response->code == 200) {
    // Decode response
    if ($json = json_decode($response->body)) {
      return $json->country_name;
    }
  }
 
  return 'Unknown';
}
//</code>
 
Let's say, for example that you named your hidden field "location". To display the calculated value in the "Thank you" page or email just use this syntax: {location:value}.

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