php 读取 json 里面的字段内容

Question

{"count":{"左脑":2,"右脑":3,"全脑":2,"全脑1":1},"score":{"左脑":8,"右脑":14,"全脑":15,"全脑1":8},"pingjun":{"左脑":4,"右脑":4.6666666666667,"全脑":7.5,"全脑1":8}} 如何读取 json里面的 pingjun这个值

Answer 1

示例代码如下：

<?phpheader("Content-type: text/html; charset=utf-8");$postArray = '[{"count":{"左脑":2,"右脑":3,"全脑":2,"全脑1":1},"score":{"左脑":8,"右脑":14,"全脑":15,"全脑1":8},"pingjun":{"左脑":4,"右脑":4.6666666666667,"全脑":7.5,"全脑1":8}}]';$de_json = json_decode($postArray, true);echo $de_json[0]['pingjun']['左脑'];?>

json 数组结构如图：

Answer 2

$a = '{"count":{"左脑":2,"右脑":3,"全脑":2,"全脑1":1},"score":{"左脑":8,"右脑":14,"全脑":15,"全脑1":8},"pingjun":{"左脑":4,"右脑":4.6666666666667,"全脑":7.5,"全脑1":8}}';
$b = json_decode($a);
$status = $b->pingjun;