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php - 如何解析这种类型的 JSON [PHP]

问题描述

这是下面我要解析的 JSON

{"events": [{"eventId": 2, "payload": {"chat": {"chatId": "683473108@chat.agent", "title": "TrojanTest", "type": "group"}, "from": {"firstName": "Khan", "nick": "Mr.Tr0J4n", "userId": "751401693"}, "msgId": "6895591502924218369", "text": "524545", "timestamp": 1605505008}, "type": "newMessage"}], "ok": true} 我想从这个 JSON中解析msgId和解析。chatId

我怎样才能在 PHP 中做到这一点？

标签： phpjson

解决方案

将 json 字符串解码为数组：

$jsonString = '{"events": [{"eventId": 2, "payload": {"chat": {"chatId": "683473108@chat.agent", "title": "TrojanTest", "type": "group"}, "from": {"firstName": "Khan", "nick": "Mr.Tr0J4n", "userId": "751401693"}, "msgId": "6895591502924218369", "text": "524545", "timestamp": 1605505008}, "type": "newMessage"}], "ok": true}';

$arr = json_decode($jsonString, true);

从数组中获取：

$chatId = $arr['events'][0]['payload']['chat']['chatId'];
$msgId = $arr['events'][0]['payload']['msgId'];
var_dump($chatId);
var_dump($msgId);

结果将是：

string(20) "683473108@chat.agent"
string(19) "6895591502924218369"

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