WeChat.WebPage.user_info

You're seeing just the function user_info, go back to WeChat.WebPage module for more information.
Link to this function

user_info(openid, access_token)

Specs

网页授权 - 拉取用户信息(需scopesnsapi_userinfo) - 官方文档

如果网页授权作用域为snsapi_userinfo,则此时开发者可以通过access_token和openid拉取用户信息了.

Link to this function

user_info(requester, openid, access_token)

Specs

See user_info/2

Link to this function

user_info(requester, openid, access_token, lang)

Specs

See user_info/2