Php 查找具有重复数组的数组
我有如下数组,你可以看到71和33是重复值,所以我需要找到那些有重复值的数组Php 查找具有重复数组的数组,php,arrays,Php,Arrays,我有如下数组,你可以看到71和33是重复值,所以我需要找到那些有重复值的数组 Array ( [0] => Array ( [0] => 71 [1] => 33 [2] => 46 ) [1] => Array ( [0] => 71 ) [4] => Array
Array
(
[0] => Array
(
[0] => 71
[1] => 33
[2] => 46
)
[1] => Array
(
[0] => 71
)
[4] => Array
(
[0] => 71
[1] => 33
)
)
预期输出:我希望数组如下所示
Array
(
[71] => Array
(
[0] => 0
[1] => 1
[2] => 4
)
[33] => Array
(
[0] => 0
[1] => 4
)
)
您可以在主数组和值上循环以存储新数组的索引。最后,您可以使用以下方法将其减少到只保留重复项: 产出:
Array
(
[71] => Array
(
[0] => 0
[1] => 1
[2] => 4
)
[33] => Array
(
[0] => 0
[1] => 4
)
)
0,1,4-这是什么?这些是父阵列的索引parent key Value请分享您的尝试?对于如此高的代表,您知道您应该展示一些尝试。我在这里什么也没看到。
Array
(
[71] => Array
(
[0] => 0
[1] => 1
[2] => 4
)
[33] => Array
(
[0] => 0
[1] => 4
)
)