用PHP foreach解析JSON数组

想知道为什么我的PHP代码不会在JSON数据中显示“值”的所有“值”:

$user = json_decode(file_get_contents($analytics));

foreach($user->data as $mydata)

{

echo $mydata->name . "\n";

}

foreach($user->data->values as $values)

{

echo $values->value . "\n";

}

第一个foreach工作正常,但第二个抛出错误。

{

"data": [

{

"id": "MY_ID/insights/page_views_login_unique/day",

"name": "page_views_login_unique",

"period": "day",

"values": [

{

"value": 1,

"end_time": "2012-05-01T07:00:00+0000"

},

{

"value": 6,

"end_time": "2012-05-02T07:00:00+0000"

},

{

"value": 5,

"end_time": "2012-05-03T07:00:00+0000"

}, ...

回答:

您可能想要执行以下操作:

foreach($user->data as $mydata)

{

echo $mydata->name . "\n";

foreach($mydata->values as $values)

{

echo $values->value . "\n";

}

}

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