QQ登錄

<?php
$appid="101353491";
session_start();
$appkey="df4e46ba7da52f787c6e3336d30526e4";

$url="http://www.iwebshop.com/index.php";
$urls=URLEncode($url);


$code=$_GET['code'];
//獲取code值
$token="https://graph.qq.com/oauth2.0/token?grant_type=authorization_code&client_id={$appid}&client_secret={$appkey}&code={$code}&redirect_uri={$url}";
$tok=file_get_contents($token);
//字符串轉爲數組
$toke=explode("&",$tok);
$to=explode("=",$toke[0]);
//字符串轉爲數組
$tokenn=$to[1];
//獲取openid
$open="https://graph.qq.com/oauth2.0/me?access_token={$tokenn}";
$openi=file_get_contents($open);
//截取字符串
$openid=substr($openi,-38,32);
$info="https://graph.qq.com/user/get_user_info?access_token={$tokenn}&oauth_consumer_key={$appid}&openid={$openid}";
$userinfo=file_get_contents($info);
//轉換爲數組
$arrinfo=json_decode($userinfo,true);
$_SESSION['name']=$arrinfo['nickname'];

if(empty($arrinfo['nickname'])){

echo "<a>登錄失敗</a>";
}else{
echo $_SESSION['name']."<a href='show.php'>登錄成功</a>";
}