startRow = $startRow; $this->endRow = $startRow + $chunkSize; } public function readCell($column, $row, $worksheetName = '') { // Only read the heading row, and the rows that are configured in $this->_startRow and $this->_endRow if (($row == 1) || ($row >= $this->startRow && $row < $this->endRow)) { return true; } return false; } } $helper->log('Loading file ' . pathinfo($inputFileName, PATHINFO_BASENAME) . ' using IOFactory with a defined reader type of ' . $inputFileType); // Create a new Reader of the type defined in $inputFileType $reader = IOFactory::createReader($inputFileType); // Define how many rows we want to read for each "chunk" $chunkSize = 100; // Create a new Instance of our Read Filter $chunkFilter = new ChunkReadFilter(); // Tell the Reader that we want to use the Read Filter that we've Instantiated // and that we want to store it in contiguous rows/columns $reader->setReadFilter($chunkFilter) ->setContiguous(true); // Instantiate a new PhpSpreadsheet object manually $spreadsheet = new Spreadsheet(); // Set a sheet index $sheet = 0; // Loop to read our worksheet in "chunk size" blocks /** $startRow is set to 2 initially because we always read the headings in row #1 * */ for ($startRow = 2; $startRow <= 240; $startRow += $chunkSize) { $helper->log('Loading WorkSheet #' . ($sheet + 1) . ' using configurable filter for headings row 1 and for rows ' . $startRow . ' to ' . ($startRow + $chunkSize - 1)); // Tell the Read Filter, the limits on which rows we want to read this iteration $chunkFilter->setRows($startRow, $chunkSize); // Increment the worksheet index pointer for the Reader $reader->setSheetIndex($sheet); // Load only the rows that match our filter into a new worksheet in the PhpSpreadsheet Object $reader->loadIntoExisting($inputFileName, $spreadsheet); // Set the worksheet title (to reference the "sheet" of data that we've loaded) // and increment the sheet index as well $spreadsheet->getActiveSheet()->setTitle('Country Data #' . (++$sheet)); } $helper->log($spreadsheet->getSheetCount() . ' worksheet' . (($spreadsheet->getSheetCount() == 1) ? '' : 's') . ' loaded'); $loadedSheetNames = $spreadsheet->getSheetNames(); foreach ($loadedSheetNames as $sheetIndex => $loadedSheetName) { $helper->log('Worksheet #' . $sheetIndex . ' -> ' . $loadedSheetName . ''); $spreadsheet->setActiveSheetIndexByName($loadedSheetName); $sheetData = $spreadsheet->getActiveSheet()->toArray(null, false, false, true); var_dump($sheetData); }