/**
  * Check an IP with Stop Forum Spam
  *
  */
 private function _doIpCheckStopForumSpam()
 {
     if ($this->_core_options['general']['use_sfs']) {
         $time_start = microtime(true);
         $result = $this->_core->handleRestCall($this->_core->getRestIPLookup($this->_visiting_ip, $this->_visiting_email));
         $time_end = microtime(true);
         $this->_spaminfo['sfs'] = $this->_convertStopForumSpamCall($result);
         $time = $time_end - $time_start;
         $this->_spaminfo['sfs']['time'] = $time;
         if (isset($this->_spaminfo['sfs']['Error'])) {
             if ($this->_core_options['sfs']['error']) {
                 $error = $this->_core->getHttpError($this->_spaminfo['sfs']['Error']);
                 $to = get_option('admin_email');
                 $subject = sprintf('[%s] AVH First Defense Against Spam - ' . __('Error detected', 'avh-fdas'), wp_specialchars_decode(get_option('blogname'), ENT_QUOTES));
                 $message[] = __('An error has been detected', 'avh-fdas');
                 $message[] = sprintf(__('Error:	%s', 'avh-fdas'), $error);
                 $message[] = '';
                 $message[] = sprintf(__('IP:		%s', 'avh-fdas'), $this->_visiting_ip);
                 $message[] = sprintf(__('Accessing:	%s', 'avh-fdas'), $_SERVER['REQUEST_URI']);
                 $message[] = sprintf(__('Call took:	%s', 'avh-fdas'), $time);
                 AVH_Common::sendMail($to, $subject, $message, $this->_settings->getSetting('mail_footer'));
             }
             $this->_spaminfo['sfs'] = null;
         } else {
             $this->_spaminfo['sfs']['appears'] = false;
             if ($this->_spaminfo['sfs']['ip']['appears'] || $this->_spaminfo['sfs']['email']['appears']) {
                 $this->_spaminfo['sfs']['appears'] = true;
             }
             if (true === $this->_spaminfo['sfs']['appears']) {
                 $this->_spammer_detected = $this->_spaminfo['sfs']['ip']['frequency'] >= $this->_core_options['sfs']['whentodie'] || $this->_spaminfo['sfs']['email']['frequency'] >= $this->_core_options['sfs']['whentodie_email'];
             }
         }
     }
 }