PHPExcel Reader Example #12
Reading a Workbook in "Chunks" Using a Configurable Read Filter (Version 2)
_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 < $this->_endRow)) {
return true;
}
return false;
}
}
echo 'Loading file ',pathinfo($inputFileName, PATHINFO_BASENAME),' using IOFactory with a defined reader type of ',$inputFileType,'
';
/* Create a new Reader of the type defined in $inputFileType **/
$reader = \PhpOffice\PhpSpreadsheet\IOFactory::createReader($inputFileType);
echo '
';
/* Define how many rows we want to read for each "chunk" **/
$chunkSize = 20;
/* 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 **/
$reader->setReadFilter($chunkFilter);
/* Loop to read our worksheet in "chunk size" blocks **/
for ($startRow = 2; $startRow <= 240; $startRow += $chunkSize) {
echo 'Loading WorkSheet 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);
/* Load only the rows that match our filter from $inputFileName to a PHPExcel Object **/
$spreadsheet = $reader->load($inputFileName);
// Do some processing here
$sheetData = $spreadsheet->getActiveSheet()->toArray(null, true, true, true);
var_dump($sheetData);
echo '
';
}
?>