LOGIKANYA RUMIT LHO..SIAPKAN KOPI

<?php
    $id_kelas=$_POST['kelas'];
    $id_ajaran=$_POST['ajaran'];
    $no=0;
    $a=0;
    $b=0;
    $c=0;
    $v=0;
    $y=0;
    $z=0;
    $f=0;
    $g=0;
    $h=0;
    $p=0;
    $e=0;
?>
<?php
$sql =" select * from tb_detailkelas
            where id_kelas='$id_kelas' and id_ajaran='$id_ajaran'";
            $hasil = mysql_query($sql) ;//or die ("Kesalahan pada perintah SQL!");
            echo mysql_error();
            while ($data=mysql_fetch_array($hasil)){
        ?>
            <tr>
                <td><?php   $no; ?> </td>
                <td><?php   $data['nis']?></td>

            </tr>
<?php
$test=$data['nis'];
$ARSISWA=array();
$no++;
$sql1 =" select * from tb_rapot
where nis='$test' and id_ajaran='$id_ajaran' order by nilai_rapot desc";
    $hasil1 = mysql_query($sql1) ;

    echo mysql_error();
    while ($data1=mysql_fetch_array($hasil1)){
    ?>
    <tr>
        <td><?php   $no; ?> </td>
        <td><?php   $data1['nis']?></td>
        <td><?php   $data1['nilai_rapot']?></td>

    </tr>
    <?php
       $ARSISWA[$data1['nis']]= $data1['nilai_rapot'];

    }


?></table>

<table>
<?php
 arsort($ARSISWA);
$i=0;
foreach($ARSISWA as $nm=>$val)
{
$i++;
?><tr><td><?=$i;?></td><td><?=$nm;?></td>
<td><?=$val;;?></td></tr><?php
    if($i>=3) break;
}
?>
</table>