Sharing ideas for implementing social functions using PHP docking QQ interface

Sharing of ideas for implementing social functions using PHP docking QQ interface

Introduction:
With the rapid development of social media, people have become inseparable from social functions. In order to better meet user needs, we can use PHP to connect to the QQ interface to implement social functions. This article will share an implementation idea and provide code examples.

1. Preparation

1. Obtain the AppID and AppKey of QQ Internet Open Platform. Register a developer account on the QQ Internet open platform, and create an application to obtain the corresponding AppID and AppKey.

2. Use the OAuth2.0 verification mechanism to obtain user authorization

1. Build the authorization URL: Use the API provided by QQ to combine the AppID, redirect URL, and authorization Type and other parameters are spliced ​​into a URL to guide the user to authorize login.
   Code example:

   $redirect_uri = urlencode('http://yourdomain.com/redirect.php');
   $auth_url = "https://graph.qq.com/oauth2.0/authorize?response_type=code&client_id=YOUR_APPID&redirect_uri=".$redirect_uri."&scope=get_user_info";
   header("Location:".$auth_url);

2. After the user is authorized, the QQ server will redirect the user back to the redirect URL you provided, and carry an authorization code code. The user's access_token can be obtained through this authorization code.
   Code example (in the redirect.php file):

   $code = $_GET['code'];
   $appid = 'YOUR_APPID';
   $appkey = 'YOUR_APPKEY';
   $redirect_uri = urlencode('http://yourdomain.com/redirect.php');
   $token_url = "https://graph.qq.com/oauth2.0/token?grant_type=authorization_code&client_id=".$appid."&client_secret=".$appkey."&code=".$code."&redirect_uri=".$redirect_uri;
   $response = file_get_contents($token_url); //获取access_token的响应
   $params = [];
   parse_str($response, $params);
   $access_token = $params['access_token'];

3. Get the user's OpenID: Use access_token to get the user's openid, which is the user's unique identification on QQ Internet.
   Code example:

   $openid_url = "https://graph.qq.com/oauth2.0/me?access_token=".$access_token;
   $response = file_get_contents($openid_url); //获取openid的响应
   if(strpos($response, "callback") !== false){
    $lpos = strpos($response, "(");
    $rpos = strrpos($response, ")");
    $response = substr($response, $lpos + 1, $rpos - $lpos -1);
   }
   $user = json_decode($response); //解析响应为JSON对象
   $openid = $user->openid;

3. Obtain user information

1. Use the obtained access_token and openid to call QQ to obtain user information. API to obtain user-related information.
   Code example:

   $get_info_url = "https://graph.qq.com/user/get_user_info?access_token=".$access_token."&oauth_consumer_key=".$appid."&openid=".$openid;
   $user_info = file_get_contents($get_info_url);
   $user_info = json_decode($user_info); //解析用户信息的响应为JSON对象

4. Implement social functions

1. According to business needs, use the obtained user information to implement corresponding social functions, such as User login, friend list, sending messages, etc.

Summary:
This article introduces the implementation ideas of using PHP to connect the QQ interface to implement social functions, and provides relevant code examples. Developers can make appropriate modifications and extensions according to their own needs to achieve richer social functions. I hope this article can be helpful to everyone.

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