Examples:
$api->get_user_info('ocNtAt_K8nRlAdmNEo_R0WVg_rRw');
$api->get_user_info('ocNtAt_K8nRlAdmNEo_R0WVg_rRw', 'zh_TW');
Result:
[
null,
{
subscribe: 1,
openid: "ocNtAt_K8nRlAdmNEo_R0WVg_rRw",
nickname: "赵利明",
sex: 1,
language: "zh_CN",
city: "浦東新區",
province: "上海",
country: "中國",
headimgurl: "http://wx.qlogo.cn/mmopen/eFIz8Uk9INlmmw4dAblRbUxIhjoJtPUUGGJXaWp6rd48v4vUMhmk7GvfNv2Kd0xSvRWfMk7PnOIoicz3ibMf38zvWnr7bCXNZC/0",
subscribe_time: 1440150875,
remark: "",
groupid: 100
}
]