Piwik\Plugin\Controller::getEnabledPeriodsNames PHP Method

    private static function getEnabledPeriodsNames()
    {
        $availablePeriods = self::getEnabledPeriodsInUI();
        $periodNames = array('day' => array('singular' => Piwik::translate('Intl_PeriodDay'), 'plural' => Piwik::translate('Intl_PeriodDays')), 'week' => array('singular' => Piwik::translate('Intl_PeriodWeek'), 'plural' => Piwik::translate('Intl_PeriodWeeks')), 'month' => array('singular' => Piwik::translate('Intl_PeriodMonth'), 'plural' => Piwik::translate('Intl_PeriodMonths')), 'year' => array('singular' => Piwik::translate('Intl_PeriodYear'), 'plural' => Piwik::translate('Intl_PeriodYears')), 'range' => array('singular' => Piwik::translate('General_DateRangeInPeriodList'), 'plural' => Piwik::translate('General_DateRangeInPeriodList')));
        $periodNames = array_intersect_key($periodNames, array_fill_keys($availablePeriods, true));
        return $periodNames;
    }