如何从多维数组内爆()仅一列? [英] How can I implode() only one column from a multidimensional array?

问题描述

我有以下格式的数组:

Array
(
    [sales] => Array
        (
            [0] => Array
                (
                    [0] => 1
                    [1] => 6
                )

            [1] => Array
                (
                    [0] => 2
                    [1] => 8
                )

            [2] => Array
                (
                    [0] => 3
                    [1] => 25
                )

            [3] => Array
                (
                    [0] => 4
                    [1] => 34
                )

        )

)

使用:

foreach ($data['sales'] as $k => $row) {
    $list = implode(",",$row);
}

我得到以下输出:

1,62,83,254,34

但是我只需要每个子数组的第二个值.预期结果必须为:

But I only need the second values from each subArray. The expected result needs to be:

6,8,25,34

如何删除第一组值?

推荐答案

我喜欢array_column()，但是如果您没有PHP> = 5.5.0:

I like array_column() but if you don't have PHP >= 5.5.0:

$list = implode(',', array_map(function($v) { return $v[1]; }, $data['sales']));

或使用foreach:

foreach ($data['sales'] as $row) {
    $list[] = $row[1];
}
$list = implode(',', $list);

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