PHP Micro-trust public platform of micro-letter Web Landing Authorization Example _php instance

This article describes the PHP version of micro-trust public platform of micro-letter Web landing authorization. Share to everyone for your reference, specific as follows:

Micro-credit public platform to achieve the implementation of micro-letter Web Landing Authorization development is very simple, because the official reference program, the following small series to see a webmaster based on the official reference to do a Web landing authorization example, we can see.

File 1:index.php

Switch to their own interface information
$appid = ' XXXXX ';
Header (' location:https://open.weixin.qq.com/connect/oauth2/authorize?appid= '. $appid. ' &redirect_uri=127.0.0.1/oauth.php&response_type=code&scope=snsapi_userinfo&state=123& Connect_redirect=1#wechat_redirect ');

Parameters	Whether you must	Description
AppID	Is	Unique identification of the public number
Redirect_uri	Is	Callback link address that is redirected after authorization, use UrlEncode to process the link
Response_type	Is	return type, please fill in the code
Scope	Is	Application authorization scope, Snsapi_base (not pop-up authorization page, direct jump, can only obtain user OpenID), Snsapi_userinfo (pop-up authorization page, can get nickname, sex, location via OpenID). And, even in the event of not paying attention, can obtain the information as long as the user authorizes.
State	Whether	After redirection, the state parameter is taken, and the developer can fill in the a-za-z0-9 parameter values
#wechat_redirect	Is	This parameter must be taken either directly or on page 302 redirection

File Two: oauth.php, the code is as follows:

<?php $code = $_get[' code '];
$state = $_get[' state '];
Switch to their own interface information $appid = ' XXXXX ';
$appsecret = ' XXXXX ';
if (Emptyempty ($code)) $this->error (' authorization failed '); $token _url = ' https://api.weixin.qq.com/sns/oauth2/access_token?appid= '. $appid. ' &secret= '. $appsecret. ' &code= '. $code. '
&grant_type=authorization_code ';
$token = Json_decode (file_get_contents ($token _url));
 if (Isset ($token->errcode)) {echo '  

Parameters	Describe
Openid	Unique identification of the user
Nickname	User Nickname
Sex	The user's sex, the value of 1 o'clock is male, the value of 2 o'clock is female, the value of 0 o'clock is unknown
Province	The province in which the user's personal data is filled
City	The city where the ordinary user's personal data fills in
Country	Countries, such as China for CN
Headimgurl	User Avatar, the last value represents the size of the square head (there are 0, 46, 64, 96, 132 value Optional, 0 represents 640*640 square avatar), the user does not have the Avatar when the item is empty.
Privilege	User privileged information, JSON array, such as micro-SIM user (chinaunicom)
Unionid	The field will only appear if the user binds the public number to the micro-trust Open platform account. See: Get User's personal information (Unionid mechanism)

To this page landing authorization development function is done, if you want to get the user's basic information we need to see another example, in the official instructions that everyone can search for themselves oh.

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