我可以将PHP变量插入JSON字符串吗？

问题描述：

I am using a REST API to POST attributes to a person using json. My request body looks like this:

$requestBody = '

{
    "attribute": {
        "@id": "",
        "@uri": "",
        "person": {
            "@id": "222",
            "@uri": "https://api_name_removed.com/v1/People/222"
        },
        "attributeGroup": {
            "@id": "",
            "@uri": "",
            "name": null,
            "attribute": {
                "@id": "2404",
                "@uri": "",
                "name": null
            }
        },
        "lastUpdatedDate": null
    }
}';

How do I change the person id, person uri and attribute id to be variables I have already stored?

我正在使用REST API将属性POST给使用json的人。我的请求正文如下所示： p>

  $ requestBody ='
 
 {
“属性”：{
“@id”：“”，
“  @uri“：”“，
”人“：{
”@id“：”222“，
”@ uri“：”https：//api_name_removed.com/v1/People/222"
}  ，
“attributeGroup”：{
“@id”：“”，
“@ uy”：“”，
“name”：null，
“属性”：{
“@id”：  “2404”，
“@ uy”：“”，
“名称”：null 
} 
}，
“lastUpdatedDate”：null 
} 
}'; 
  code>  
 
 如何将人员ID，人员uri和属性ID更改为我已存储的变量？ p> 
  div>

答

$requestBody = '

{
    "attribute": {
        "@id": "' . $id . '",
        "@uri": "' . $uri . '",
        "person": {
            "@id": "222",
            "@uri": "https://api_name_removed.com/v1/People/222"
        },
        "attributeGroup": {
            "@id": "",
            "@uri": "",
            "name": null,
            "attribute": {
                "@id": "2404",
                "@uri": "",
                "name": null
            }
        },
        "lastUpdatedDate": null
    }
}';

答

$requestBody = sprintf('
{
    "attribute": {
        "@id": "%u",
        "@uri": "%s",
        "person": {
            "@id": "222",
            "@uri": "https://api_name_removed.com/v1/People/222"
        },
        "attributeGroup": {
            "@id": "",
            "@uri": "",
            "name": null,
            "attribute": {
                "@id": "2404",
                "@uri": "",
                "name": null
            }
        },
        "lastUpdatedDate": null
    }
}', $id, $uri);

我可以将PHP变量插入JSON字符串吗？

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