function autoban_gethostbyaddr in Automatic IP ban (Autoban) 7

Integrate function getting Internet host by IP address.

Parameters

string $ip: IP address.

Return value

string Internet host.

2 calls to autoban_gethostbyaddr()

autoban_test in ./autoban.admin.inc

Menu callback. Test autoban rule page.

autoban_whitelist_ip in ./autoban.module

Is IP address in whitelist

File

./autoban.module, line 1032

Main file for autoban module.

Code

function autoban_gethostbyaddr($ip) {
  $real_host = FALSE;
  $stored_host =& drupal_static(__FUNCTION__);
  if (isset($stored_host[$ip])) {
    $real_host = $stored_host[$ip];
  }
  else {
    $gethostbyaddr_function = variable_get('autoban_gethostbyaddr_function', 'gethostbyaddr');
    $real_host_get = $gethostbyaddr_function($ip);
    if ($real_host_get && $real_host_get != $ip) {
      $stored_host[$ip] = $real_host_get;
      $real_host = $real_host_get;
    }
  }
  return $real_host;
}