我有一个 分类树如下:
Array(
[0] => Array
(
[id] => 1
[name] => 菜单栏目1
[parentid] => 0
[child] => Array
(
[0] => Array
(
[id] => 2
[name] => 菜单栏目1-1
[parentid] => 1
[child] => Array
(
[0] => Array
(
[id] => 7
[name] => 菜单栏目1-1-1
[parentid] => 2
) [1] => Array
(
[id] => 8
[name] => 菜单栏目1-1-2
[parentid] => 2
) [2] => Array
(
[id] => 9
[name] => 菜单栏目1-1-3
[parentid] => 2
) ) ) [1] => Array
(
[id] => 3
[name] => 菜单栏目1-2
[parentid] => 1
) [2] => Array
(
[id] => 4
[name] => 菜单栏目1-3
[parentid] => 1
) [3] => Array
(
[id] => 5
[name] => 菜单栏目1-4
[parentid] => 1
) [4] => Array
(
[id] => 6
[name] => 菜单栏目1-5
[parentid] => 1
) ) ) [1] => Array
(
[id] => 10
[name] => 菜单栏目2
[parentid] => 0
[child] => Array
(
[0] => Array
(
[id] => 11
[name] => 菜单栏目2-1
[parentid] => 10
) ) ))想分解成
菜单栏目1
菜单栏目1-1
菜单栏目1-1-1
参贷栏目1-2
菜单栏目2
菜单栏目2-1
菜单栏目2-2
这样的结果 请问 如何 循环分解 这个树 是N维 数组
Array(
[0] => Array
(
[id] => 1
[name] => 菜单栏目1
[parentid] => 0
[child] => Array
(
[0] => Array
(
[id] => 2
[name] => 菜单栏目1-1
[parentid] => 1
[child] => Array
(
[0] => Array
(
[id] => 7
[name] => 菜单栏目1-1-1
[parentid] => 2
) [1] => Array
(
[id] => 8
[name] => 菜单栏目1-1-2
[parentid] => 2
) [2] => Array
(
[id] => 9
[name] => 菜单栏目1-1-3
[parentid] => 2
) ) ) [1] => Array
(
[id] => 3
[name] => 菜单栏目1-2
[parentid] => 1
) [2] => Array
(
[id] => 4
[name] => 菜单栏目1-3
[parentid] => 1
) [3] => Array
(
[id] => 5
[name] => 菜单栏目1-4
[parentid] => 1
) [4] => Array
(
[id] => 6
[name] => 菜单栏目1-5
[parentid] => 1
) ) ) [1] => Array
(
[id] => 10
[name] => 菜单栏目2
[parentid] => 0
[child] => Array
(
[0] => Array
(
[id] => 11
[name] => 菜单栏目2-1
[parentid] => 10
) ) ))想分解成
菜单栏目1
菜单栏目1-1
菜单栏目1-1-1
参贷栏目1-2
菜单栏目2
菜单栏目2-1
菜单栏目2-2
这样的结果 请问 如何 循环分解 这个树 是N维 数组
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<?php
$a = array (
0 =>
array (
'id' => '1',
'name' => '菜单栏目1',
'parentid' => '0',
'child' =>
array (
0 =>
array (
'id' => '2',
'name' => '菜单栏目1-1',
'parentid' => '1',
'child' =>
array (
0 =>
array (
'id' => '7',
'name' => '菜单栏目1-1-1',
'parentid' => '2',
),
1 =>
array (
'id' => '8',
'name' => '菜单栏目1-1-2',
'parentid' => '2',
),
2 =>
array (
'id' => '9',
'name' => '菜单栏目1-1-3',
'parentid' => '2',
),
),
),
1 =>
array (
'id' => '3',
'name' => '菜单栏目1-2',
'parentid' => '1',
),
2 =>
array (
'id' => '4',
'name' => '菜单栏目1-3',
'parentid' => '1',
),
3 =>
array (
'id' => '5',
'name' => '菜单栏目1-4',
'parentid' => '1',
),
4 =>
array (
'id' => '6',
'name' => '菜单栏目1-5',
'parentid' => '1',
),
),
),
1 =>
array (
'id' => '10',
'name' => '菜单栏目2',
'parentid' => '0',
'child' =>
array (
0 =>
array (
'id' => '11',
'name' => '菜单栏目2-1',
'parentid' => '10',
),
),
),
);function show($ar, $deep=0) {
foreach($ar as $item) {
echo str_repeat(' ', $deep) . $item['name'] . PHP_EOL;
if(! empty($item['child'])) show($item['child'], $deep+1);
}
}show($a);菜单栏目1
菜单栏目1-1
菜单栏目1-1-1
菜单栏目1-1-2
菜单栏目1-1-3
菜单栏目1-2
菜单栏目1-3
菜单栏目1-4
菜单栏目1-5
菜单栏目2
菜单栏目2-1