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如何以这样的格式转换PHP数组

Array
(
    [0] => 001-1234567
    [1] => 1234567
    [2] => 12345678
    [3] => 12345678
    [4] => 12345678
    [5] => AP1W3242
    [6] => AP7X1234
    [7] => AS1234
    [8] => MH9Z2324
    [9] => MX1234
    [10] => TN1A3242
    [11] => ZZ1234
)

以下面的格式的Javascript数组？

var cities = [
    "Aberdeen",
    "Ada",
    "Adamsville",
    "Addyston",
    "Adelphi",
    "Adena",
    "Adrian",
    "Akron",
    "Albany"
];

我去了这个错误:

htmlspecialchars() expects parameter 1 to be string, object given

我在控制器中使用:

$data = '{"pr":{"code":"1"},"ac":[[{"icon":"web","action":"link","url":"asd"}]]}'
$newData = json_decode($data);

我将它作为数组发送到视图:'data'=> $ newData当我尝试在视图中使用$ data时,它会给我这个错误

尝试使用$ data-> ac OR $ data ['ac']但仍然相同......请帮忙吗？