update

<?php

//die('<pre>'.print_r($_POST,1));
include "koneksi.php";
        foreach($_POST['npm'] as $npm){
                $absen=$_POST['absen'][$npm];
                $tugas1=$_POST['tugas1'][$npm];
                $tugas2=$_POST['tugas2'][$npm];
                $tugas3=$_POST['tugas3'][$npm];
                $nilai_ujian=$_POST['nilai_ujian'][$npm];

                $sql="UPDATE mhsnilai SET absen='$absen',tugas1='$tugas1', tugas2='$tugas2', tugas3='$tugas3', nilai_ujian='$nilai_ujian'";


//$result=mysqli_query($conn,$sql) or die echo "wah error nih";
$result=mysql_query($sql);
//while ($row=mysqli_fetch_array($result)){
header("Location: 1ia01.php");
}
?>