Piwik\DataTable\Filter\PivotByDimension::getOrderedColumnsWithPrependedNumerals PHP Метод

    private function getOrderedColumnsWithPrependedNumerals($defaultRow, $othersRowLabel)
    {
        $flags = ENT_COMPAT;
        if (defined('ENT_HTML401')) {
            $flags |= ENT_HTML401;
            // part of default flags for 5.4, but not 5.3
        }
        // must use decoded character otherwise sort later will fail
        // (sort column will be set to decoded but columns will have  )
        $nbsp = html_entity_decode(' ', $flags, 'utf-8');
        $result = array();
        $currentIndex = 1;
        foreach ($defaultRow as $columnName => $ignore) {
            if ($columnName === $othersRowLabel || $columnName === 'label') {
                $result[] = $columnName;
            } else {
                $modifiedColumnName = $currentIndex . '.' . $nbsp . $columnName;
                $result[] = $modifiedColumnName;
                ++$currentIndex;
            }
        }
        return $result;
    }