获取值时出错​来自PHP中嵌套有空格的JSON

Question

我正在尝试获取值​​来自嵌套的JSON，其中包含带空格的键。我有这个错误：

• 注意：正在尝试获取中非对象的属性"Submit Date"json.php在第47行

• 注意：正在尝试获取json.php中非对象的属性"Entry ID"在线46

  {
  "entries": [
  {
  "values": {
  "Entry ID": "INC000000001",
  "Submitter": "Remedy Application Service",
  "Assigned Group": "TI WIN",
  "Priority": "Medium",
  "Submit Date": "2022-07-20T22:27:01.000+0000",
  "Assignee": "Example asignee"
  },
  "_links": {
  }
  }
  ]
  }
  

我的PHP代码

<?php
$response = curl_exec($curl);
$data = json_decode($response);
foreach($data->entries as $entr)
{

foreach($entr->values as $valores)
{

$entry_id=$valores->{'Entry ID'};
$submit_date=$valores->{'Submit Date'};
}
}
?>

打印输出：

Array
(
[entries] => Array
(
[0] => Array
(
[values] => Array
(
[Entry ID] => INC000000001
[Submitter] => Remedy Application Service
[Assigned Group] => TI WIN
[Priority] => Medium
[Submit Date] => 2022-07-20T22:27:01.000+0000
[Assignee] => Example asignee
)
)
)
)

错误在哪里？

有什么方法可以得到这些值？

Answer 1

您的代码与print_r输出不一致；在您的代码中，$data将是一个对象(因为您没有为json_decode指定$associative参数(，看起来如下：

stdClass Object
(
[entries] => Array
(
[0] => stdClass Object
(
[values] => stdClass Object
(
[Entry ID] => INC000000001
[Submitter] => Remedy Application Service
[Assigned Group] => TI WIN
[Priority] => Medium
[Submit Date] => 2022-07-20T22:27:01.000+0000
[Assignee] => Example asignee
)
[_links] => stdClass Object
(
)
)
)
)

entries数组中每个条目的values属性是一个对象，而不是一个数组，所以你不能迭代它。相反，只需直接访问属性：

foreach($data->entries as $entr) {
$entry_id=$entr->values->{'Entry ID'};
$submit_date=$entr->values->{'Submit Date'};
var_dump($entry_id, $submit_date);
}

输出(用于您的样本数据(：

string(12) "INC000000001"
string(28) "2022-07-20T22:27:01.000+0000"

3v4l.org 上的演示