php – 将数组转换为Ul-Li
发布时间：2020-12-13 17:45:04 所属栏目：PHP教程 来源：网络整理
导读：我有这样的阵列 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 [ch
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我有这样的阵列
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结构中的ul-li 但它给了我奇怪的输出 例如Region我想这样 <li id=3 parent_id=2 > Region </li> 这里我想使用id和parent_id作为属性 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>';
}
从上面的功能来看区域的输出是这样的 <ul>
<li>0
<ul>
<li>Region</li>
<li>3</li>
<li>2</li>
<li>children
<ul>
解决方法
也许这是你寻求的递归.
function olLiTree( $tree ) {
echo '<ul>';
foreach ( $tree as $item ) {
echo "<li id="$item[id]" parent_id="$item[parent_id]" > $item[name] </li>";
if ( isset( $item['children'] ) ) {
olLiTree( $item['children'] );
}
}
echo '</ul>';
}
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