JSON 在 php 网络编程中解码

Question

我在 php 使用 CURL 时遇到问题。我发出了一个 https 请求，我在多维数组中得到了响应。

[{  
 "id":"22622",
 "name":"",
 "email":"ffv7678@gmail.com",
 "mobileno":"",
 "birth_dt":"",
 "marital_status":"",
 "gender":"",
 "educationid":"0",
 "occupationid":"0",
 "industryid":"0",
 "incomeid":"",
 "city":"0",
 "state":"0",
 "country":"0",
 "postcode":"",
 "deviceid":"805086099499488",
 "regid":"",
 "device_type":null,
 "userstatus":"0",
 "refcode":"D1219C92",
 "new_user":"0",
 "device_token":""
 }]

现在我想解码它并将 "id" 的值保存在一个变量中。

$result=curl_exec($ch);
$books = json_decode($result, true);
echo ($books[0]['id']);

我试过上面的代码，但是失败了。

Answer 1

您需要为此使用 foreach() 循环。

foreach ($a[0] as $key => $value) {
echo $key."<br>".$value;
if($key == 'id'){
    $id = $value;
}
}

echo $id;

还有，如果你只是想把id的值赋值给另一个变量，你可以直接对

...
$no = $a[0]->id;
echo $no
...

而不是 foreach 循环。

Answer 2

$books = json_decode($result, true);
foreach ($books as $book)
{
    //$book carries info of books;
    $id = $book['id'];
    ///... You can define other variables here
}

JSON 在 php 网络编程中解码

JSON decode in php web programming

php

arrays

json

curl

response