PHP获取用户是否关注公众号。获取微信openid和用户信息

<?php

/*

 * 首先填写授权地址为当前网址

 * 将$appid和$secret参数替换成自己公众号对应参数，需要外网可以访问服务器环境测试

 */

header("Content-Type:text/html; charset=utf-8");

date_default_timezone_set("Asia/Shanghai");

//define('code', $_GET['code']);

$oauth = new oauth();

if (!empty($_GET['code'])) {

    $res_json = $oauth->GetOpenid();

    if ($res_json['subscribe'] != 1) {

        $subscribe = "未关注";

    } else {

        $subscribe = "已关注";

    }

    if ($res_json['sex'] == 1) {

        $sex = "男";

    } elseif ($res_json['sex'] == 2) {

        $sex = "女";

    } else {

        $sex = "未知";

    }

    echo '

		<html>

		<head>

		<meta charset="utf-8">

		<style>

			.info{

				width:60%;

				height:80%;

			}

			.input{

				background: #eaeaea none repeat scroll 0 0;

				border: 1px solid #dedede;

				border-radius: 12px;

				box-shadow: none;

				outline: medium none;

				padding: 10px;

				resize: none;

				width: 100%;

			}

		</style>

		<meta content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=no" name="viewport">

		</head>

		<body>

		<table border="0"  class="info">

		<tr>

			<td>头像:</td>

			<td><img src="' . $res_json['headimgurl'] . '" width=150 height=150></td>

		</tr>

		<tr>

			<td>昵称:</td>

			<td class="input">' . $res_json['nickname'] . '</td>

		</tr>

		<tr>

			<td>性别:</td>

			<td class="input">' . $sex . '</td>

		</tr>

		<tr>

			<td>地址:</td>

			<td class="input">' . $res_json['country'] . $res_json['province'] . $res_json['city'] . '</td>

		</tr>

		<tr>

			<td>openid:</td>

			<td class="input">' . $res_json['openid'] . '</td>

		</tr>

		<tr>

			<td>关注:</td>

			<td  class="input">' . $subscribe . '</td>

		</tr>

		<tr>

			<td>时间:</td>

			<td class="input">' . date("Y-m-d H:i:s", $res_json['subscribe_time']) . '</td>

		</tr>

		<tr>

			<td>备注:</td>

			<td class="input">' . $res_json['remark'] . '</td>

		</tr>

		<tr>

			<td>分组:</td>

			<td class="input">' . $res_json['groupid'] . '</td>

		</tr>

		</table></body></html>';

} else {

    $oauth->GET_Code();

}

class oauth {

    public $appid = "xxxxxxxxx";

    public $secret = "xxxxxxxxxxxxxx";

    //获取用户openid

    public function GetOpenid() {

        $get_token_url = 'https://api.weixin.qq.com/sns/oauth2/access_token?appid=' . $this->appid . '&secret=' . $this->secret . '&code=' . $_GET['code'] . '&grant_type=authorization_code';

        $json_obj = $this->https_request($get_token_url);

        // $access_token = $json_obj['access_token'];

        $openid = $json_obj['openid'];

        //$get_user_info_url = 'https://api.weixin.qq.com/sns/userinfo?access_token=' . $access_token . '&openid=' . $openid . '&lang=zh_CN';

        $res_json = $this->getAccessInfo($this->appid, $this->secret, $openid);

        return $res_json;

    }

    //发起获得code值链接

    public function GET_Code() {

        $get_url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=" . $this->appid;

        $url = "http://" . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'];

        header("location:" . $get_url . "&redirect_uri=" . $url . "&response_type=code&scope=snsapi_userinfo&state=1#wechat_redirect");

    }

    //开始获取用户基本信息包含是否关注

    public function getAccessInfo($appid, $secret, $openid) {

        //获取access_token参数

        $json_token = $this->_getAccessToken($appid, $secret);

        //获取用户基本信息包含是否关注

        $get_user_info_url = 'https://api.weixin.qq.com/cgi-bin/user/info?access_token=' . $json_token['access_token'] . '&openid=' . $openid . '&lang=zh_CN';

        $json_info = $this->https_request($get_user_info_url);

        return $json_info;

    }

    //获取access_token

    private function _getAccessToken($appid, $secret) {

        $url_get = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=' . $appid . '&secret=' . $secret;

        $json = $this->https_request($url_get);

        return $json;

    }

    //通用数据处理方法

    public function https_request($get_token_url) {

        $ch = curl_init();

        curl_setopt($ch, CURLOPT_URL, $get_token_url);

        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "GET");

        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);

        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);

        curl_setopt($ch, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1);

        curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (compatible; MSIE 5.01; Windows NT 5.0)');

        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);

        curl_setopt($ch, CURLOPT_AUTOREFERER, 1);

        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

        $temp = curl_exec($ch);

        return json_decode($temp, true);

    }

}

?>
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PHP获取用户是否关注公众号。获取微信openid和用户信息

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