php 遍历数据表数据并列表横向排列的代码

$a = array (1,2,3,4,5,6,7,8,9,10,11);
$i = 0;
?>


foreach ($a as $k){
if($i%3==0) {//该处表示需要横向排列的列数.
echo "";
}
echo "";//该处显示该列的数据.
$i ++;
}
?>

",$k,"