You can try this pattern, this works for my codes
<?php
require 'vendor1/autoload.php';
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Writer\Xlsx;
use PhpOffice\PhpSpreadsheet\IOFactory;
use PhpOffice\PhpSpreadsheet\Worksheet\PageSetup;
use PhpOffice\PhpSpreadsheet\Writer\Pdf;
$excelreader = IOFactory::createReader('Xml');
$spreadsheet = new Spreadsheet();
$writer = new Xlsx($spreadsheet);
$writer->setPreCalculateFormulas(false);
//
if(isset($_POST['import'])){
$hapus = mysqli_query($bestdt,"DELETE FROM 2023_pdkeluaroke WHERE npsn = '$npsn' ");
$excelnya = 'siswakeluar'.$npsn.'.xls';
$loadexcel = $excelreader->load('tmp/'.$excelnya);
//HAL 1
$sheet = $loadexcel->setActiveSheetIndex(0);
$sheet = $loadexcel->getActiveSheet(0)->toArray(null, true, true ,true);
$numrow = 1;
$kosong = ' ';
$no= 0;
foreach($sheet as $row){
$nipd = mysqli_real_escape_string($bestdt,$row['A']);
$nama_siswa = mysqli_real_escape_string($bestdt,$row['B']);
$jk = mysqli_real_escape_string($bestdt,$row['C']);
$nisn = mysqli_real_escape_string($bestdt,$row['D']);
$tempat_lahir = mysqli_real_escape_string($bestdt,$row['E']);
$tanggal_lahir = mysqli_real_escape_string($bestdt,$row['F']);
$nik = mysqli_real_escape_string($bestdt,$row['G']);
$agama = mysqli_real_escape_string($bestdt,$row['H']);
$alamat = mysqli_real_escape_string($bestdt,$row['J']);
$rt = mysqli_real_escape_string($bestdt,$row['K']);
$rw = mysqli_real_escape_string($bestdt,$row['L']);
$dusun = mysqli_real_escape_string($bestdt,$row['M']);
$kelurahan = mysqli_real_escape_string($bestdt,$row['N']);
$kecamatan = mysqli_real_escape_string($bestdt,$row['O']);
$kode_post = mysqli_real_escape_string($bestdt,$row['P']);
$tinggal = mysqli_real_escape_string($bestdt,$row['Q']);
$transportasi = mysqli_real_escape_string($bestdt,$row['R']);
$telepone = mysqli_real_escape_string($bestdt,$row['S']);
$hp = mysqli_real_escape_string($bestdt,$row['T']);
$email = mysqli_real_escape_string($bestdt,$row['U']);
$skhun = mysqli_real_escape_string($bestdt,$row['P']);
$kps = mysqli_real_escape_string($bestdt,$row['W']);
$no_kps = mysqli_real_escape_string($bestdt,$row['X']);
$nama_ayah = mysqli_real_escape_string($bestdt,$row['Y']);
$thnlhr_ayah = mysqli_real_escape_string($bestdt,$row['Z']);
$sekolah_ayah = mysqli_real_escape_string($bestdt,$row['AA']);
$kerja_ayah = mysqli_real_escape_string($bestdt,$row['AB']);
$hasil_ayah = mysqli_real_escape_string($bestdt,$row['AC']);
$nik_ayah = mysqli_real_escape_string($bestdt,$row['AD']);
$nama_ibu = mysqli_real_escape_string($bestdt,$row['AE']);
$thnlhr_ibu = mysqli_real_escape_string($bestdt,$row['AF']);
$sekolah_ibu = mysqli_real_escape_string($bestdt,$row['AG']);
$kerja_ibu = mysqli_real_escape_string($bestdt,$row['AH']);
$hasil_ibu = mysqli_real_escape_string($bestdt,$row['AI']);
$nik_ibu = mysqli_real_escape_string($bestdt,$row['AJ']);
$nama_wali = mysqli_real_escape_string($bestdt,$row['AK']);
$thnlhr_wali = mysqli_real_escape_string($bestdt,$row['AL']);
$sekolah_wali = mysqli_real_escape_string($bestdt,$row['AM']);
$kerja_wali = mysqli_real_escape_string($bestdt,$row['AN']);
$hasil_wali = mysqli_real_escape_string($bestdt,$row['AO']);
$alasan_keluar = mysqli_real_escape_string($bestdt,$row['AP']);
$tanggal_keluar = mysqli_real_escape_string($bestdt,$row['AQ']);
//
if ($tanggal_lahir == "" )
continue;
if($numrow > 1){
$no++;
$query = mysqli_query($bestdt, "INSERT INTO 2023_pdkeluaroke(npsn, nama_siswa, nipd, jk, nisn, tempat_lahir, tanggal_lahir, nik, agama, alamat, rt, rw, dusun, kelurahan, kecamatan, kode_post, tinggal, transportasi, telepone, hp, email, skhun, kps, no_kps, nama_ayah, thnlhr_ayah, sekolah_ayah, kerja_ayah, hasil_ayah, nik_ayah, nama_ibu, thnlhr_ibu, sekolah_ibu, kerja_ibu, hasil_ibu, nik_ibu, nama_wali, thnlhr_wali, sekolah_wali, kerja_wali, hasil_wali, alasan_keluar, tanggal_keluar) VALUES('".$npsn."','".$nama_siswa."','".$nipd."','".$jk."','".$nisn."','".$tempat_lahir."','".$tanggal_lahir."','".$nik."','".$agama."','".$alamat."','".$rt."','".$rw."','".$dusun."','".$kelurahan."','".$kecamatan."','".$kode_post."','".$tinggal."','".$transportasi."','".$telepone."','".$hp."','".$email."','".$skhun."','".$kps."','".$no_kps."','".$nama_ayah."','".$thnlhr_ayah."','".$sekolah_ayah."','".$kerja_ayah."','".$hasil_ayah."','".$nik_ayah."','".$nama_ibu."','".$thnlhr_ibu."','".$sekolah_ibu."','".$kerja_ibu."','".$hasil_ibu."','".$nik_ibu."','".$nama_wali."','".$thnlhr_wali."','".$sekolah_wali."','".$kerja_wali."','".$hasil_wali."','".$alasan_keluar."','".$tanggal_keluar."') ");
} $numrow++ ;
}
}
echo "<script>window.location = '?page=data_siswakeluar' </script>";
?>
Don't forget to connect to your database