请问QQ互联的代码是怎么写的？？

 top.location.href='" . $dialog_url . "'");  }   //Step2：通过Authorization Code获取Access Token  if($_REQUEST['state'] == $_SESSION['state'])   {     //拼接URL        $token_url = "https://graph.qq.com/oauth2.0/token?grant_type=authorization_code&"     . "client_id=" . $app_id . "&redirect_uri=" . urlencode($my_url)     . "&client_secret=" . $app_secret . "&code=" . $code;     $response = file_get_contents($token_url);     if (strpos($response, "callback") !== false)     {        $lpos = strpos($response, "(");        $rpos = strrpos($response, ")");        $response  = substr($response, $lpos + 1, $rpos - $lpos -1);        $msg = json_decode($response);        if (isset($msg->error))        {           echo "
error:
" . $msg->error;           echo "
msg  :
" . $msg->error_description;           exit;        }     }      //Step3：使用Access Token来获取用户的OpenID     $params = array();     parse_str($response, $params);     $graph_url = "https://graph.qq.com/oauth2.0/me?access_token=".$params['access_token'];     $str  = file_get_contents($graph_url);     if (strpos($str, "callback") !== false)     {        $lpos = strpos($str, "(");        $rpos = strrpos($str, ")");        $str  = substr($str, $lpos + 1, $rpos - $lpos -1);     }     $user = json_decode($str);     if (isset($user->error))     {        echo "
error:
" . $user->error;        echo "
msg  :
" . $user->error_description;        exit;     }     echo("Hello " . $user->openid);  }  else   {     echo("The state does not match. You may be a victim of CSRF.");  }?>

这是在官网弄下来的代码，
首先在网站上点击超链接，然后跳转到这个php文件，接下来怎么做呢，
云里雾里，一头雾水

回复讨论(解决方案)

QQ互联？你是要做啥呢，QQ开放平台做开发吗？

QQ互联？你是要做啥呢，QQ开放平台做开发吗？
用QQ号绑定网站用户

应该就是QQ开发平台，类似于腾讯微博开发。