PHP/Laravel中从多维嵌套数组提取T20值生成新数组遇问题

原始数组 #

Array
(
    [0] => Array
        (
            [id] => 1
            [name] => David Warner
            [type] => batter
            [country] => Aus
            [age] => 33
            [runs] => 11100
            [wickets] => 12
            [catches] => 16
            [format] => Array
                (
                    [0] => Array
                        (
                            [Domestic] => Array
                                        (
                                          [0] => Array
                                            (
                                             [ODI]   => 73
                                             [Tests] => 34
                                             [T20]   => 90   
                                            )
                                         )
                         
                        )
                )
        )

    [1] => Array
        (
            [id] => 2
            [name] => Mark Wood
            [type] => bowler
            [country] => Eng
            [age] => 34
            [runs] => 200
            [wickets] => 120
            [catches] => 2
            [format] => Array
                (
                    [0] => Array
                        (
                            [Domestic] => Array
                                        (
                                          [0] => Array
                                            (
                                             [ODI]   => 40
                                             [Tests] => 49
                                             [T20]   => 12   
                                            )
                                         )
                         
                        )
                )
       )
)

需求 #

提取所有元素中的T20值，生成如下新数组：

array:2 [▼
  0 => "90"
  1 => "12"
]

已尝试无效的方法 #

原生PHP方法 #

$newArr_t20 = array_column($result_3['cricketers']['player']['format']['Domestic'], "T20");

Laravel方法 #

use \Illuminate\Support\Arr;

$newArr_t20 = Arr::pluck($result_3, 'cricketers.player.format.Domestic.T20');

可行解决方案 #

问题核心是原始数组的层级嵌套：format、Domestic都包含数字索引的数组层级，之前的写法没有命中正确的路径。

方案1：原生PHP循环处理 #

$newArr_t20 = [];
foreach ($result_3 as $player) {
    // 按层级获取T20值，用??确保索引不存在时不会报错
    $t20Value = $player['format'][0]['Domestic'][0]['T20'] ?? null;
    if ($t20Value !== null) {
        $newArr_t20[] = $t20Value;
    }
}

方案2：Laravel的Arr::pluck（明确索引层级） #

在点语法中加入数字索引，精准定位到T20字段：

use \Illuminate\Support\Arr;

$newArr_t20 = Arr::pluck($result_3, 'format.0.Domestic.0.T20');

以上两种方法都能准确提取目标值，生成符合需求的数组。

内容的提问来源于stack exchange，提问作者John