PEAR_Downloader::_downloadCallback PHP Method

    function _downloadCallback($msg, $params = null)
    {
        switch ($msg) {
            case 'saveas':
                $this->log(1, "downloading {$params} ...");
                break;
            case 'done':
                $this->log(1, '...done: ' . number_format($params, 0, '', ',') . ' bytes');
                break;
            case 'bytesread':
                static $bytes;
                if (empty($bytes)) {
                    $bytes = 0;
                }
                if (!($bytes % 10240)) {
                    $this->log(1, '.', false);
                }
                $bytes += $params;
                break;
            case 'start':
                if ($params[1] == -1) {
                    $length = "Unknown size";
                } else {
                    $length = number_format($params[1], 0, '', ',') . " bytes";
                }
                $this->log(1, "Starting to download {$params[0]} ({$length})");
                break;
        }
        if (method_exists($this->ui, '_downloadCallback')) {
            $this->ui->_downloadCallback($msg, $params);
        }
    }