array 2D looping

<?php
    $siswa = array(array("1314114590","Tony", "MIF1"), array("1314114592", "Wonjin", "MIF2"), array("1314114593", "Yuvin", "MIF3"));
    echo '<table border = 1>
    <tr>
        <th>NIS</th>
        <th>NAMA</th>
        <th>KELAS</th>
    </tr>';
    for ($i = 0; $i < 3; $i++)
    {
        echo '<tr>';
        for ($j = 0; $j < 3; $j++)
        {
            echo '<td>'.$siswa[$i][$j].'</td>';
        }
        echo '</tr>';
    }
    echo '</table>'
?>