问如何将数组键和值追加到另一个数组中

EN

$account_no = $acc_no['bank']['account_no'];
$new_account_no = [
                    $model->id => Input::get('account_no'),//This result is "32" => "1234562"
                  ];
array_push($account_no, $new_account_no);

"bank": {
      "account_no": {
        "23": "1111111111",
        "24": {
          "32": "1234562"
        }
      }
    }

"bank": {
          "account_no": {
            "23": "1111111111",
            "32": "1234562" 
          }
        }