微信模板消息推送封装方法

/**
 * @explain
 * 发送消息通知
 * @return array|mixed
 * @remark
 * 获取到用户的openid之后可以判断用户是否有数据，可以直接跳过获取access_token,也可以继续获取access_token
 * access_token每日获取次数是有限制的，access_token有时间限制，可以存储到数据库7200s. 7200s后access_token失效
 *
 */
function sendMsg($tem_id,$data,$openid,$return_url='')
{
    if($tem_id == ''){
        $tem_id = "7wuhorQScRZHbn_NpPWlR4uoCN4CcZKtxEL_hwnNVZI";
    }
    $return_url = "https://".$_SERVER['HTTP_HOST'].'/h5/#/';      //  你的消息详情页面，如果为空。点进去之后是空白页面
    //获取access_token
    $access_token = \think\Cache::get('ACCESS_TOKEN');
    if (!$access_token||empty($access_token)){
        $WechatLogin=config('WechatLogin');
        $arrContextOptions=array(
            "ssl"=>array(
                "verify_peer"=>false,
                "verify_peer_name"=>false,
            ),
        );
        $appid = $WechatLogin['appid'];
        $secret = $WechatLogin['appsecret'];
        //获取ACCESS_TOKEN
        $url= "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$appid."&secret=".$secret;
        if (function_exists('file_get_contents')){
            $access_token = file_get_contents($url, false, stream_context_create($arrContextOptions));
        }else{
            $ch = curl_init();
            curl_setopt($ch,CURLOPT_URL,$url);
            curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
            $access_token = curl_exec($ch);
            curl_close($ch);
        }
        $access = json_decode($access_token,true);
        $access_token = $access['access_token'];
        \think\Cache::set('ACCESS_TOKEN',$access_token,'7000');
    }
    if($access_token){
        $params1 = json_encode(json_tempalte($openid,$data,$return_url,$tem_id),JSON_UNESCAPED_UNICODE);
        $url="https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=".$access_token;
        $params = https_request($url,urldecode($params1));
        $params = json_decode($params,true);

        if ($params['errcode'] == '40001'){
            \think\Cache::set('ACCESS_TOKEN','');
            sendMsg($tem_id,$data,$openid,$return_url);
        }

        if ($params['errcode']==0){
            return true;
        }else{
            return false;
        }
    }else{
        return false;
    }
}