解析 JSON 提要

Question

我在包含以下数据的 URL 中有一个 json 提要。

<string xmlns="http://schemas.microsoft.com/2003/10/Serialization/">
[{"ID":1123,"OrderNumber":"1394","ProjectType":"Postcard","Template":"WtlossStudy solo","TemplateURL":"someone.biz/Home/ShowTemplate/283","ShipDate":"2/28/2015","InHomeDate":"3/2/2015","Quantity":"10,000","Price":"$3,000","CallTracking":"0"},{"ID":1123,"OrderNumber":"1413","ProjectType":"Postcard","Template":"WtlossStudy solo","TemplateURL":"","ShipDate":"3/30/2015","InHomeDate":"3/31/2015","Quantity":"5,000","Price":"$1,500","CallTracking":"0"},{"ID":1123,"OrderNumber":"1413","ProjectType":"Postcard","Template":"WtlossStudy solo","TemplateURL":"","ShipDate":"4/13/2015","InHomeDate":"4/14/2015","Quantity":"5,000","Price":"$1,500","CallTracking":"0"}]
</string>

我需要得到它并通过 php.ini 解析它。但它使用以下代码给出了无效的 foreach 错误。任何人都可以帮助我如何正确显示。

$json = file_get_contents('http://someurl.biz/api/api/1123');

$obj = json_decode($json, true);

foreach($obj as $ob) {
    echo $ob->ID;
}   

Answer 1

$my_array_for_parsing = json_decode(/** put the json here */);

这为您提供了作为 php associative 数组的 JSon。

---

$my_array_for_parsing = json_decode($json);
foreach ($my_array_for_parsing as $name => $value) {
    // This will loop three times:
    //     $name = a
    //     $name = b
    //     $name = c
    // ...with $value as the value of that property
}

Answer 2

如果json_decode 的第二个参数设置为true，您的json 将转换为关联数组而不是对象。试试这个：

$obj = json_decode($json, false);

foreach($obj as $ob) {
    echo $ob->ID;
}   

Answer 3

试一试

$json = file_get_contents('http://superiorpostcards.biz/api/api/1123');
$obj = json_decode($json, true);
$array = json_decode($obj, true);
foreach($array as $value){
    echo $value['ID'];
}

Answer 4

这行得通。

由于您的 JSON 已成为关联数组，因此您必须创建 2 个 foreach。

• top foreach 解析 '[object1, object2, object3]' 中的 3 个“对象”

• 底部foreach解析每个“对象”内容

  $data = json_decode('[{"ID":1123,"OrderNumber":"1394","ProjectType":"Postcard","Template":"WtlossStudy solo","TemplateURL":"someone.biz/Home/ShowTemplate/283","ShipDate":"2/28/2015","InHomeDate":"3/2/2015","Quantity":"10,000","Price":"$3,000","CallTracking":"0"},{"ID":1123,"OrderNumber":"1413","ProjectType":"Postcard","Template":"WtlossStudy solo","TemplateURL":"","ShipDate":"3/30/2015","InHomeDate":"3/31/2015","Quantity":"5,000","Price":"$1,500","CallTracking":"0"},{"ID":1123,"OrderNumber":"1413","ProjectType":"Postcard","Template":"WtlossStudy solo","TemplateURL":"","ShipDate":"4/13/2015","InHomeDate":"4/14/2015","Quantity":"5,000","Price":"$1,500","CallTracking":"0"}]');
  
   foreach($data as $obj) {
       foreach($obj as $key=>$val) {
          echo $key."->".$val." | ";
       }
   }   
  

是的，JS 更简单。但是php“json”并不是一个JS对象，它是一个关联数组的数组。