getContiguous()); $reader->setReadFilter($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) { // 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 $reader->loadIntoExisting($this->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)); } $sheet = $spreadsheet->getSheetByName('Country Data #1'); self::assertEquals('Kabul', $sheet->getCell('A2')->getValue()); $sheet = $spreadsheet->getSheetByName('Country Data #2'); self::assertEquals('Lesotho', $sheet->getCell('B4')->getValue()); $sheet = $spreadsheet->getSheetByName('Country Data #3'); self::assertEquals(-20.1, $sheet->getCell('C6')->getValue()); } public function testContiguous2(): void { // Create a new Reader of the type defined in $inputFileType $reader = new Csv(); // Create a new Instance of our Read Filter $chunkFilter = new CsvContiguousFilter(); $chunkFilter->setFilterType(1); // 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(); // Loop to read our worksheet in "chunk size" blocks $reader->loadIntoExisting($this->inputFileName, $spreadsheet); $sheet = $spreadsheet->getActiveSheet(); self::assertEquals('Kabul', $sheet->getCell('A2')->getValue()); self::assertEquals('Kuwait', $sheet->getCell('B11')->getValue()); } }