PHP 가로로 출력

    <?php 
    $num_rows = mysql_num_rows($result);
    echo $num_rows;
    $i = 1;
    while ($line  = mysql_fetch_array($result) ){
        if ($i%3==1) echo "<tr>";
        echo "<td>". $line["makedate"]."</td>";
        if ($i%3 ==0) echo "</tr>";
        $i++;
    }    
         if ($i%3 != 1) echo "</tr>"; 
      ?>