如何动态计算laravel中动态嵌套数组的数量

function countNestedArray($array) {
    $count = 0;
    foreach ($array as $item) {
        if (is_array($item)) {
            $count += countNestedArray($item);
        } else {
            $count++;
        }
    }
    return $count;
}

$array = [
    'item1',
    'item2',
    [
        'item3',
        'item4',
        [
            'item5',
            'item6'
        ]
    ]
];

$nestedArrayCount = countNestedArray($array);
echo "动态嵌套数组的数量为：" . $nestedArrayCount;