在 PHP 中随机分组数组内容

Question

我有这种数组

 Array(
        [0]=>Array(
                 [title]       => 'Title 0'
                 [link]        => 'Link 0'
                 [excerpt]     => 'Excerpt 0'
                 [content]     => 'Content 0'
             )
        [1]=>Array(
                 [title]       => 'Title 1'
                 [link]        => 'Link 1'
                 [excerpt]     => 'Excerpt 1'
                 [content]     => 'Content 1'
             )
        [2]=>Array(
                 [title]       => 'Title 2'
                 [link]        => 'Link 2'
                 [excerpt]     => 'Excerpt 2'
                 [content]     => 'Content 2'
             )
    )

如何在[内容]，[

摘录]和[标题]之间切换，[链接]所以基本上它看起来像这样

 Array(
        [0]=>Array(
                 [title]       => 'Title 0'
                 [link]        => 'Link 0'
                 [excerpt]     => 'Excerpt 1'
                 [content]     => 'Content 1'
             )
        [1]=>Array(
                 [title]       => 'Title 1'
                 [link]        => 'Link 1'
                 [excerpt]     => 'Excerpt 2'
                 [content]     => 'Content 2'
             )
        [2]=>Array(
                 [title]       => 'Title 2'
                 [link]        => 'Link 2'
                 [excerpt]     => 'Excerpt 0'
                 [content]     => 'Content 0'
             )
    )

如果洗牌整个数组内容我可以做到，但这种情况我仍然感到困惑，有人可以帮助我吗？

谢谢

肉饼

Answer 1

您可以使用array_column()来获取值，然后随机播放键，最后使用相同的"随机"键更新内容：

$array = array(
    array(
        'title'   => 'Title 0',
        'link'    => 'Link 0',
        'excerpt' => 'Excerpt 0',
        'content' => 'Content 0'
    ),
    array(
        'title'   => 'Title 1',
        'link'    => 'Link 1',
        'excerpt' => 'Excerpt 1',
        'content' => 'Content 1'
    ),
    array(
        'title'   => 'Title 2',
        'link'    => 'Link 2',
        'excerpt' => 'Excerpt 2',
        'content' => 'Content 2'
    )
);
// get data
$excerpts = array_column($array, 'excerpt');
$contents = array_column($array, 'content');
// get keys and shuffle them
$keys = array_keys($array);
shuffle($keys);
// iterate over array (and pass $values as reference)
foreach ($array as $key => &$values) {
    // get the new shuffled key
    $rand_key = $keys[$key];
    // update content
    $values['excerpt'] = $excerpts[$rand_key];
    $values['content'] = $contents[$rand_key];
}
print_r($array);

可以输出：

Array
(
    [0] => Array
        (
            [title] => Title 0
            [link] => Link 0
            [excerpt] => Excerpt 0
            [content] => Content 0
        )
    [1] => Array
        (
            [title] => Title 1
            [link] => Link 1
            [excerpt] => Excerpt 2
            [content] => Content 2
        )
    [2] => Array
        (
            [title] => Title 2
            [link] => Link 2
            [excerpt] => Excerpt 1
            [content] => Content 1
        )
)