Piwik\Plugin\Report::getMetricTranslations PHP Method

    private function getMetricTranslations($metricsToTranslate)
    {
        $translations = Metrics::getDefaultMetricTranslations();
        $metrics = array();
        foreach ($metricsToTranslate as $metric) {
            if ($metric instanceof Metric) {
                $metricName = $metric->getName();
                $translation = $metric->getTranslatedName();
            } else {
                $metricName = $metric;
                $translation = @$translations[$metric];
            }
            $metrics[$metricName] = $translation ?: $metricName;
        }
        return $metrics;
    }