我有一个多维数组(如下所示)。我试图做的是找到一个特定的值,如果该值有孩子,只列出那些孩子。因此,例如,如果正在搜索 slug 的“测试”,则页面上会列出所有“测试”的子项。“Test2”没有孩子,所以没有列出。如果正在搜索“/test/sub”(蛞蝓),并且由于它有孩子,我想显示所有孩子(例如“sh”、“rd”、“co”)。我不知道如何开始,所以非常感谢任何帮助。
Array
(
[test] => Array
(
[children] => Array
(
[2] => Array
(
[parent] => 4
[title] => Sub
[slug] => test/sub/
[id] => 2
[children] => Array
(
[3] => Array
(
[parent] => 2
[title] => sh
[slug] => test/sub/sh
[id] => 3
)
[27] => Array
(
[parent] => 2
[title] => RD
[slug] => test/sub/rd
[id] => 27
)
[145] => Array
(
[parent] => 2
[title] => cO
[slug] => test/sub/co
[id] => 145
)
)
)
[8] => Array
(
[parent] => 4
[title] => sub2
[slug] => test/sub2
[id] => 8
)
[19] => Array
(
[parent] => 4
[title] => sub3
[slug] => test/sub3
[id] => 19
[children] => Array
(
[20] => Array
(
[parent] => 19
[title] => child1
[slug] => test/sub3/child1
[id] => 20
)
[21] => Array
(
[parent] => 19
[title] => child2
[slug] => test/sub3/child2 [id] => 21
)
)
)