PHP 在数组中搜索值

我在找出如何在特定数组中搜索索引/匹配值时遇到了麻烦.

我可以列出并格式化所有内容，但我不确定发生了什么(它看起来不像数组中的数组，或者是吗？)，也不知道如何在这种特定情况下搜索特定的索引/值.

示例:

{
  "AppName": {
    "date": "20230801",
    "version": "6.8.48"
  },
  "Invoices": [
    {
      "Administration": {
        "id": 2,
        "code": "TEST",
        "description": "Test Administration"
      },
      "Invoice": {
        "id": 4350,
        "type": "",
        "invoiceNumber": 2340323,
        "date": "2023-07-31T00:00:00.000Z",
        "dueDate": "2023-08-14T00:00:00.000Z",
        "amount": 196.3
      },
      "Relation": {
        "nr": 102616,
        "name": "John Doe"
      },
      "TermsOfPayment": {
        "id": 11,
        "description": "Prepayment"
      }
    },
    {
      "Administration": {
        "id": 2,
        "code": "TEST",
        "description": "Test Administration"
      },
      "Invoice": {
        "id": 4351,
        "type": "",
        "invoiceNumber": 2340324,
        "date": "2023-07-31T00:00:00.000Z",
        "dueDate": "2023-08-14T00:00:00.000Z",
        "amount": 748.3
      },
      "Relation": {
        "nr": 102158,
        "name": "Jane Doe"
      },
      "TermsOfPayment": {
        "id": 11,
        "description": "Prepayment"
      }
    },
  ]
}

在列出我使用的值时:

$parsed = json_decode($received, true);

if ($parsed['AppName'] == true) {

    $obj = json_decode($received);

    $invoices = $obj->Invoices;

    foreach ($invoices as $key => $value) {
        $invoice_number = $value->Invoice->invoiceNumber;
        $invoice_amount = $value->Invoice->amount;

        print "<br>".$invoice_number;
        print "<br>".$invoice_amount."<br>";
    }

现在，下一步是搜索特定发票编号的金额.所以搜索2340324需要返回748.3

我try 使用ARRAY_SEARCH和ARRAY_COLUMN搜索/匹配关键字，但得到的结果都是空值.我一定是做错了什么，我猜这和"数组深度"有关？

任何关于如何处理这一问题的建议都将不胜感激.