将多维数组转化为一维数组 [英] Turning multidimensional array into one-dimensional array

问题描述

我已经在这个问题上撞了一段时间了.

I've been banging my head on this one for a while now.

我有这个多维数组:

Array
(
    [0] => Array
        (
            [0] => foo
            [1] => bar
            [2] => hello
        )

    [1] => Array
        (
            [0] => world
            [1] => love
        )

    [2] => Array
        (
            [0] => stack
            [1] => overflow
            [2] => yep
            [3] => man
        )

我需要得到这个:

Array
(
    [0] => foo
    [1] => bar
    [2] => hello
    [3] => world
    [4] => love
    [5] => stack
    [6] => overflow
    [7] => yep
    [8] => man
)

有什么想法吗?

我发现的所有其他解决方案都使用不同的键来解决多维数组.我的数组只使用简单的数字键.

All other solutions I found solve multidimensional arrays with different keys. My arrays use simple numeric keys only.

推荐答案

array_reduce($array, 'array_merge', array())

示例:

$a = array(array(1, 2, 3), array(4, 5, 6));
$result = array_reduce($a, 'array_merge', array());

结果:

array[1, 2, 3, 4, 5, 6];

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