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WeChat access_token acquisition development example, access_token example_PHP tutorial

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2016-07-13 09:56:54935browse

WeChat access_token acquisition development example, access_token example

Overview

Access_token is the globally unique ticket of the public account. The public account needs to use access_token when calling each interface. Developers need to store it properly. At least 512 characters of space must be reserved for access_token storage. The validity period of access_token is currently 2 hours and needs to be refreshed regularly. Repeated acquisition will cause the last access_token to become invalid.

Acquisition of access_token

<&#63;php

define("APPID", "您的appid");
define("APPSECRET", "您的appsecret ");

$token_access_url = "https://api.weixin.qq.com/cgi-bin/token&#63;grant_type=client_credential&appid=" . APPID . "&secret=" . APPSECRET;
$res = file_get_contents($token_access_url); //获取文件内容或获取网络请求的内容
//echo $res;
$result = json_decode($res, true); //接受一个 JSON 格式的字符串并且把它转换为 PHP 变量
$access_token = $result['access_token'];
echo $access_token;

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