php - 清除php空数组

Question

我有以下数组，想要摆脱/删除空数组并按顺序重新排列它。任何人都可以帮助我。

Array
(

    [ufile] => Array
        (

            [name] => Array
                (
                    [0] => chicken soup.jpg
                    [1] => 
                    [2] => hot n sour sup.jpg
                    [3] => 
                    [4] => 
                    [5] => 
                    [6] => 
                    [7] => 
                    [8] => 
                )

            [type] => Array
                (
                    [0] => 
                    [1] => 
                    [2] => 
                    [3] => 
                    [4] => 
                    [5] => 
                    [6] => 
                    [7] => 
                    [8] => 
                )

            [tmp_name] => Array
                (
                    [0] => 
                    [1] => 
                    [2] => 
                    [3] => 
                    [4] => 
                    [5] => 
                    [6] => 
                    [7] => 
                    [8] => 
                )

            [error] => Array
                (
                    [0] => 1
                    [1] => 4
                    [2] => 1
                    [3] => 4
                    [4] => 4
                    [5] => 4
                    [6] => 4
                    [7] => 4
                    [8] => 4
                )

            [size] => Array
                (
                    [0] => 0
                    [1] => 0
                    [2] => 0
                    [3] => 0
                    [4] => 0
                    [5] => 0
                    [6] => 0
                    [7] => 0
                    [8] => 0
                )

        )

)

Answer 1

我相信这会清理你的数组:删除空元素(那些评估为空的元素，例如“”和 0 )，删除重复元素，然后对其进行排序。

$cleaned = array_map('array_filter', $array_to_be_cleaned);
$cleaned = array_map('array_unique', $cleaned);
$cleaned = array_map('sort', $cleaned);