phpoffice create excel and download
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Writer\Xlsx;
class DownloadExcel
{
public static function createExcel(array $data, array $headers = [],
$fileName = 'data.xlsx')
{
$spreadsheet = new Spreadsheet();
$sheet = $spreadsheet->getActiveSheet();
for ($i = 0, $l = sizeof($headers); $i < $l; $i++) {
$sheet->setCellValueByColumnAndRow($i + 1, 1, $headers[$i]);
}
for ($i = 0, $l = sizeof($data); $i < $l; $i++) { // row $i
$j = 0;
foreach ($data[$i] as $k => $v) { // column $j
$sheet->setCellValueByColumnAndRow($j + 1, ($i + 1 + 1), $v);
$j++;
}
}
$writer = new Xlsx($spreadsheet);
header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
header('Content-Disposition: attachment; filename="'. urlencode($fileName).'"');
$writer->save('php://output');
}
}