我有一个像这样的数组。
Array
(
[0] => Array
(
[name] => Region
[id] => 3
[parent_id] => 2
[children] => Array
(
[0] => Array
(
[name] => Asia
[id] => 4
[parent_id] => 3
[children] => Array
(
[0] => Array
(
[name] => Central Asia
[id] => 6621
[parent_id] => 4
[children] => Array
(
[0] => Array
(
[name] => Afghanistan
[id] => 5
[parent_id] => 6621
[children] => Array
(
[0] => Array
(
[name] => Balkh
[id] => 6
[parent_id] => 5
[children] => Array
(
[0] => Array
(
[name] => Mazar-e-Sharif
[id] => 7
[parent_id] => 6
)
)
)
[1] => Array
(
[name] => Kabol
[id] => 10
[parent_id] => 5
)
[2] => Array
(
[name] => Qandahar
[id] => 12
[parent_id] => 5
)
)
)
)
)
[1] => Array
(
[name] => Middle East
[id] => 6625
[parent_id] => 4
[children] => Array
(
[0] => Array
(
[name] => Armenia
[id] => 14
[parent_id] => 6625
)
)
)
)
)
)
)
)
现在我想将这个数组转换为树形式的,但输出结果很奇怪。
例如,我想要像这样的Region
<li id=3 parent_id=2 > Region </li>
我希望在属性中使用id
和parent_id
。PHP函数如下:
function olLiTree($tree)
{
echo '<ul>';
foreach($tree as $key => $item) {
if (is_array($item)) {
echo '<li>', $key;
olLiTree($item);
echo '</li>';
} else {
echo '<li>', $item, '</li>';
}
}
echo '</ul>';
}
区域的输出结果是从上述函数中得到的。
<ul>
<li>0
<ul>
<li>Region</li>
<li>3</li>
<li>2</li>
<li>children
<ul>