original_string: public function addDataTable(DataTable $tableToSum)
      {
          foreach ($this->getDataTables() as $childTable) {
              $childTable->addDataTable($tableToSum);
          }
      }
code: public function addDataTable(DataTable $tableToSum)
      {
          foreach ($this->getDataTables() as $childTable) {
              $childTable->addDataTable($tableToSum);
          }
      }
code_tokens: public function addDataTable ( DataTable $ tableToSum ) { foreach ( $ this -> getDataTables ( ) as $ childTable ) { $ childTable -> addDataTable ( $ tableToSum ) ; } }
docstring: Sums a DataTable to all the tables in this array.
  
  _Note: Will only add `$tableToSum` if the childTable has some rows._
  
  See {@link Piwik\DataTable::addDataTable()}.
  
  @param DataTable $tableToSum
docstring_tokens: Sums a DataTable to all the tables in this array .