在传递给CJSON :: encode（）之前，如何在嵌套数组中添加其他键/值对？
public static function WS_getAllComments($topic_id){
$model = ExploreComment::model()->with('user')->findAll(array("condition" => "topic_id = '" . $topic_id . "'"));
$json = CJSON::encode($model);
return $json;
}
上面的代码向我返回了一个嵌套数组，看起来像这样
[{"comment_id":"1","user_id":"1","topic_id":"1","data":"This will be my first test comment with 5 stars","image_append":null,"rating":"5","datetime":"2014-08-15 14:36:42"},
{"comment_id":"2","user_id":"2","topic_id":"1","data":"This is another comment with dummy user","image_append":null,"rating":"3","datetime":"2014-08-15 18:00:17"}]
我打算做的是添加从相对AR中查询的更多属性，并将其添加到列表中，如下所示：
[{blablabla, "NewKey":"NewValue"},{blablabla, "NewKey":"NewValue"}]
这样，最终当我对JSON数据进行编码时，新的键/值对将位于其适当的位置...
谢谢
//Convert json to array
$newElement = json_decode('[{"NewKey":"NewValue"},{"NewKey":"NewValue"}]' , true);
//merge array to $model array
$resultArray = array_merge($model, $newElement);
//convert to json
$json = json_encode($model);
return $json;
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