If you have a data and want to generate excel file of that data. then call this listed below function in php.
public function exportToExcelUtil($filename,$data) {
header("Content-type: application/octet-stream");
header("Content-Disposition: attachment; filename=$filename");
header("Pragma: no-cache");
header("Expires: 0");
echo $data;
}
public function exportToExcelUtil($filename,$data) {
header("Content-type: application/octet-stream");
header("Content-Disposition: attachment; filename=$filename");
header("Pragma: no-cache");
header("Expires: 0");
echo $data;
}
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