在PHP中放大二维数组 [英] Implode two-dimensional array in PHP

问题描述

我有一个像这样的数组:

I have an array like:

Array
(
    [0] => Array
        (
            [0] => a
            [1] => b
        )

    [1] => Array
        (
            [0] => c
        )

    [2] => Array
        (
            [0] => d
            [1] => e
            [2] => f
        )

)

我想将数组转换为如下所示的字符串:

I want to convert my array to a string like below:

$arrtostr = 'a,b,c,d,e,f';

我已经使用过implode()函数，但是它似乎不适用于二维数组.

I've used implode() function but it looks like it doesn't work on two-dimensional arrays.

我该怎么办?

推荐答案

或者，您可以为此首先使用一个容器，合并内容，最后使用一个容器，然后使用implode():

Alternatively, you could use a container for that first, merge the contents, and in the end of having a flat one, then use implode():

$letters = array();
foreach ($array as $value) {
    $letters = array_merge($letters, $value);
}

echo implode(', ', $letters);

示例输出

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