微信小程序

获取access-token

 /**
     * [getinfo 获取access-token]
     * @return [type] [description]
     */
    public function getinfo(){
         $output=self::get("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".self::$appid."&secret=".self::$appsecret);
         echo $output;
         exit();

    }
    /**
     * [get curl 请求]
     * @param  [string] $url [路径]
     * @return [json]      [{"access_token":"xxxxxxxxxx","expires_in":7200}]
     */
     public static function get($url) {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        # curl_setopt($ch, CURLOPT_HEADER, 1);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);

        if (!curl_exec($ch)) {
            error_log(curl_error($ch));
            $data = '';
        } else {
            $data = curl_multi_getcontent($ch);
        }
        curl_close($ch);
        return $data;
    }