/**
  * Log a message for this class
  *
  * Message is saved to a log file in ProcessWire's logs path to a file with
  * the same name as the class, converted to hyphenated lowercase.
  *
  * @param string $str Text to log, or omit to just return the name of the log
  * @param array $options Optional extras to include:
  * 	- url (string): URL to record the with the log entry (default=auto-detect)
  * 	- name (string): Name of log to use (default=auto-detect)
  * @return WireLog|null
  *
  */
 public function ___log($str = '', array $options = array())
 {
     if (empty($options['name'])) {
         $options['name'] = 'file-validator';
     }
     return parent::___log($str, $options);
 }