Laravel，获取嵌套数组

$data = [
    'user' => [
        'name' => 'John',
        'email' => 'john@example.com',
        'address' => [
            'street' => '123 Street',
            'city' => 'New York',
            'country' => 'USA'
        ]
    ]
];

$name = $data['user']['name']; // 获取用户名
$street = $data['user']['address']['street']; // 获取街道地址

$name = array_get($data, 'user.name'); // 获取用户名
$street = array_get($data, 'user.address.street'); // 获取街道地址