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    // If this row is already rendered, don't do anything.

    if (!isset($row['data'])) {

      foreach ($row as $day => $data) {

        $cell = $data['data'];

        // If this cell is already rendered, like the weekno column,

        // move to the next item.

        if (!is_array($cell)) {

          $month_rows[$weekno][$day]['data'] = $cell;

          continue;

        }

        $data = $cell['datebox'];

        if ($cell['empty']) {

          $data .= $cell['empty'];

        }

        else {

          $data .= implode($cell['all_day']);

          foreach ($cell['items'] as $hour => $item) {

            $data .= implode($item);

          }

          $data .= $cell['link'];

        }

        if ($view->date_info->mini) {

          $month_rows[$weekno][$day]['data'] = $data;

        }

        else {

          $month_rows[$weekno][$day]['data'] = '<div class="inner">' . $data . '</div>';