public function addLogFile($key, $logFileName)
    {
        $arrayKey=strtolower($key);
        return $this->_logFiles[$arrayKey] = $logFileName;
    }
public function addLogFile($key, $logFileName)
    {
        $arrayKey=strtolower($key);
        return $this->_logFiles[$arrayKey] = $logFileName;
    }
public function addLogFile ( $ key , $ logFileName ) { $ arrayKey = strtolower ( $ key ) ; return $ this -> _logFiles [ $ arrayKey ] = $ logFileName ; }
Add log file
Valid if multiple log files exist

@param mixed $key
@param string $logFileName
@return bool
Add log file Valid if multiple log files exist