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Either insert your security key into your computer and activate it by touching it, or if you have an NFC key, hold it near your computer's sensor (the location of the NFC sensor depends on your device). Once your security key is verified, you'll be logged in.
If your app or website authenticates people with Facebook Login but manages users' logged-in state without an access token, you should create and use a session info token to monitor and log people out when the connection to their Facebook account is invalidated.
Dec 17, 2016 · Begins the session, you need to say this at the top of a page or before you call session code. session_start(); put a user id in the session to track who is logged in. $_SESSION['user'] = $user_id; Check if someone is logged in. if (isset($_SESSION['user'])) {. // logged in.
A Page access access token is used to read, write, and modify the data belonging to a Facebook Page. To obtain a Page access token you need to start by obtaining a user access token then using the user access token to get a Page access token via the Graph API.
Manually Build a Login Flow. For browser-based login for a web or desktop app without using our SDKs, such as in a webview for a native desktop app (for example Windows 8), or a login flow using entirely server-side code, you can build a Login flow for yourself by using browser redirects. This guide will take you through each step of the login ...
A person signs up for the app using Facebook Login and later wants to log in to this account using an email address and password. This guides outlines what we think are the best ways to handle these situations.
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Full JavaScript Example for Facebook Login. This code will load and initialize the JavaScript SDK in your HTML page. Use your app ID where indicated. For the API version, specify the graph API version to use.
