已于2012-01-16更新：对于元素为数组的，也以表格输出（否则将数组子元素显示为array）
直接上代码
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>以表格形式输出二维数组</title>
</head>
<body>
<?php
$comment[100]=array('id'=>100,'parent'=>0,'content'=>'AAAAAAAAAA');
$comment[101]=array('id'=>101,'parent'=>100,'content'=>'BBBBBBBBB');
$comment[102]=array('id'=>102,'parent'=>100,'content'=>'CCCCCCCCCC');
$comment[103]=array('id'=>103,'parent'=>0,'content'=>'DDDDDDDDDDd');
$comment[104]=array('id'=>104,'parent'=>102,'content'=>'EEEEEEEE');
$comment[105]=array('id'=>105,'parent'=>101,'content'=>'FFFFFFFFF');
$comment[106]=array('id'=>106,'parent'=>0,'content'=>'GGGGGGGG');
$comment[107]=array('id'=>107,'parent'=>0,'content'=>'HHHHHHHHH');
$comment[108]=array('id'=>108,'parent'=>101,'content'=>'IIIIIIIIIIII');
$comment[109]=array('id'=>109,'parent'=>105,'content'=>'JJJJJJJJJJ');
$comment[110]=array('id'=>110,'parent'=>103,'content'=>'KKKKKKKKKK');
$comment[111]=array('id'=>111,'parent'=>108,'content'=>'LLLLLLLLL');
$comment[112]=array('id'=>112,'parent'=>105,'content'=>'MMMMMMMMMM');
$data=$comment;
array_table_view($data);
function array_table_view($data)
{
?>
<table width="95%" border="1" cellspacing="0" cellpadding="4"><?php
if(!sizeof($data)){
?>
<tr>
<td>empty array.</td>
</tr><?php
}else{
foreach($data as $item){
?>
<tr><?php
foreach($item as $key => $val){ ?>
<th><?php echo $key; ?></th><?php
} ?>
</tr>
<?php
break;
}
foreach($data as $item){
?>
<tr><?php
foreach($item as $key => $val){ ?>
<td><?php
if(is_array($val)){
array_table_view($val);
}else{
echo $val;
}
?></td><?php
} ?>
</tr>
<?php
}
} ?>
</table>
<?php
}
?>
</body>
</html>
代码下载 array_table_view
代码下载 (请“复制-粘贴-保存”以上代码)