PhpSpreadsheet Reader Example #11
Reading a Workbook in "Chunks" Using a Configurable Read Filter (Version 1)
_startRow = $startRow;
$this->_endRow = $startRow + $chunkSize;
}
public function readCell($column, $row, $worksheetName = '')
{
// Only read the heading row, and the rows that were configured in the constructor
if (($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 for each "chunk" **/
$chunkSize = 20;
/* Loop to read our worksheet in "chunk size" blocks **/
for ($startRow = 2; $startRow <= 240; $startRow += $chunkSize) {
echo 'Loading WorkSheet using configurable filter for headings row 1 and for rows ',$startRow,' to ',($startRow + $chunkSize - 1),'
';
/* Create a new Instance of our Read Filter, passing in the limits on which rows we want to read **/
$chunkFilter = new chunkReadFilter($startRow, $chunkSize);
/* Tell the Reader that we want to use the new Read Filter that we've just Instantiated **/
$reader->setReadFilter($chunkFilter);
/* Load only the rows that match our filter from $inputFileName to a PhpSpreadsheet Object **/
$spreadsheet = $reader->load($inputFileName);
// Do some processing here
$sheetData = $spreadsheet->getActiveSheet()->toArray(null, true, true, true);
var_dump($sheetData);
echo '
';
}
?>