Piwik\DataTable::fromSerializedArray PHP Method

    public static function fromSerializedArray($data)
    {
        $result = new DataTable();
        $result->addRowsFromSerializedArray($data);
        return $result;
    }

 /**
  * Utility function. Gets row count of a set of tables grouped by the 'name' column.
  * This is the implementation of the getRowCountsAndSizeBy... functions.
  */
 private function getRowCountsByArchiveName($statuses, $getRowSizeMethod, $forceCache = false, $otherSelects = array(), $otherDataTableColumns = array())
 {
     $extraCols = '';
     if (!empty($otherSelects)) {
         $extraCols = ', ' . implode(', ', $otherSelects);
     }
     $cols = array_merge(array('row_count'), $otherDataTableColumns);
     $dataTable = new DataTable();
     foreach ($statuses as $status) {
         $dataTableOptionName = $this->getCachedOptionName($status['Name'], 'byArchiveName');
         // if option exists && !$forceCache, use the cached data, otherwise create the
         $cachedData = Option::get($dataTableOptionName);
         if ($cachedData !== false && !$forceCache) {
             $table = DataTable::fromSerializedArray($cachedData);
         } else {
             $table = new DataTable();
             $table->addRowsFromSimpleArray($this->dataAccess->getRowCountsByArchiveName($status['Name'], $extraCols));
             $reduceArchiveRowName = array($this, 'reduceArchiveRowName');
             $table->filter('GroupBy', array('label', $reduceArchiveRowName));
             $serializedTables = $table->getSerialized();
             $serializedTable = reset($serializedTables);
             Option::set($dataTableOptionName, $serializedTable);
         }
         // add estimated_size column
         $getEstimatedSize = array($this, $getRowSizeMethod);
         $table->filter('ColumnCallbackAddColumn', array($cols, 'estimated_size', $getEstimatedSize, array($status)));
         $dataTable->addDataTable($table);
     }
     return $dataTable;
 }