[php] menambah kolom otomatis sesuai jumlah data

<?php
//-- jumlah data yang akan ditampilkan, random dari 3 sd 26
$num_data=rand(3,26);
//-- jumlah baris maksimum = 5
$max_row=5;
$data=array();
for($no=1;$no<=$num_data;++$no){
    $data[$no]="data ke-{$no}";
}
$row_col_data=array();
$row=1;
$col=1;
foreach($data as $no=>$dt){
    if(!isset($row_col_data[$row]))
        $row_col_data[$row]=array();
    $row_col_data[$row][$col]=$dt;
    if($row % $max_row == 0) {
        ++$col;
        $row=1;
    } else {
        ++$row;
    }
}
?>
Jumlah data : <?php echo $num_data;?><br>
Jumlah baris : <?php echo $max_row;?><br>
<table border="1">
<tr>
    <?php
    $col=$row==1?--$col:$col;
    for($ncol=1;$ncol<=$col;++$ncol){
        echo "<th>kolom ke-{$ncol}</th>";
    }
    ?>
</tr>
<?php
for($nrow=1;$nrow<=$max_row;++$nrow){
    echo "<tr>";
    for($ncol=1;$ncol<=$col;++$ncol){
        echo "<td>".(isset($row_col_data[$nrow][$ncol])?$row_col_data[$nrow][$ncol]:'&nbsp;')."</td>";
    }
    echo "</tr>";
}
?>
</table>