关于数组循环的一个有关问题

关于数组循环的一个问题
$config['menu']['member']['coption'] = '搜索';
$config['menu']['member']['sub'][0]['caption']='百度';
$config['menu']['member']['sub'][0]['url']='http://www.baidu.com';
$config['menu']['member']['sub'][1]['caption']='谷歌';
$config['menu']['member']['sub'][1]['url']='http://www.google.com';
$config['menu']['member']['sub'][2]['caption']='SOSO';
$config['menu']['member']['sub'][2]['url']='http://www.soso.com';


让它循环成这样

搜索(主菜单)
  百度(子菜单)

------解决方案--------------------
Array
(
[menu] => Array
(
[member] => Array
(
[coption] => 搜索
[sub] => Array
(
[0] => Array
(
[caption] => 百度
[url] => http://www.baidu.com
)

[1] => Array
(
[caption] => 谷歌
[url] => http://www.google.com
)

[2] => Array
(
[caption] => SOSO
[url] => http://www.soso.com
)

)

)

)

)这样看不就清楚了吗 
smarty
(主菜单)

(子菜单)

------解决方案--------------------

PHP code

$config['menu']['member']['coption'] = '搜索';$config['menu']['member']['sub'][0]['caption']='百度';$config['menu']['member']['sub'][0]['url']='http://www.baidu.com';$config['menu']['member']['sub'][1]['caption']='谷歌';$config['menu']['member']['sub'][1]['url']='http://www.google.com';$config['menu']['member']['sub'][2]['caption']='SOSO';$config['menu']['member']['sub'][2]['url']='http://www.soso.com';$ar = $config['menu']['member'];echo $ar['coption'], '<br>';foreach($ar['sub'] as $v)  echo "<a href="%24v%5Burl%5D">$v[caption]</a><br>";<br><font color="#e78608">------解决方案--------------------</font><br>多少充都好。分析后，使用foreach就可以。<br><font color="#e78608">------解决方案--------------------</font><br>顶帖收藏~~<br><br><br><font color="#e78608">------解决方案--------------------</font><br>

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PHP code
$config['menu']['member']['coption'] = '搜索';
$config['menu']['member']['sub'][0]['caption']='百度';
$config['menu']['member']['sub'][0]['url']='http://www.baidu.com';
$config['menu']['member'……