Piwik\API\DataTablePostProcessor::applyMetricsFormatting PHP Метод

    public function applyMetricsFormatting($dataTable)
    {
        $formatMetrics = Common::getRequestVar('format_metrics', 0, 'string', $this->request);
        if ($formatMetrics == '0') {
            return $dataTable;
        }
        // in Piwik 2.X & below, metrics are not formatted in API responses except for percents.
        // this code implements this inconsistency
        $onlyFormatPercents = $formatMetrics === 'bc';
        $metricsToFormat = null;
        if ($onlyFormatPercents) {
            $metricsToFormat = $this->apiInconsistencies->getPercentMetricsToFormat();
        }
        $dataTable->filter(array($this->formatter, 'formatMetrics'), array($this->report, $metricsToFormat));
        return $dataTable;
    }