/**
  * Update the whitelist in the proper format
  *
  * @param $b array
  */
 private function _setWhitelistOption($b)
 {
     $data = $this->_core->getData();
     natsort($b);
     $x = implode("\r\n", $b);
     $data['lists']['whitelist'] = $x;
     $this->_core->saveData($data);
 }
 /**
  * Updates the spam counter
  */
 private function _updateSpamCounter()
 {
     $period = date('Ym');
     if (array_key_exists($period, $this->_core_data['counters'])) {
         $this->_core_data['counters'][$period] += 1;
     } else {
         $this->_core_data['counters'][$period] = 1;
     }
     $this->_core->saveData($this->_core_data);
 }