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copied!<p>You have several API to to that. I recommend that you use the last one, the graph API. Then you have several SDK, I know PHP and Javascript SDK.</p> <p>In javascript, with jQuery you can do</p> <pre><code><body> <div> <button id="login">Login</button> <button id="logout">Logout</button> <button id="disconnect">Disconnect</button> </div> <div id="user-info"></div> <div id="fb-root"></div> <script src="http://connect.facebook.net/en_US/all.js"></script> <script> // initialize the library with the API key FB.init({ apiKey: 'YOUR_API_KEY' }); // fetch the status on load FB.getLoginStatus(handleSessionResponse); $('#login').bind('click', function() { FB.login(handleSessionResponse, { // here you specify the perms your application requires perms:'publish_stream, offline_access, manage_pages, read_stream' }); }); $('#logout').bind('click', function() { FB.logout(handleSessionResponse); }); $('#disconnect').bind('click', function() { FB.api({ method: 'Auth.revokeAuthorization' }, function(response) { clearDisplay(); }); }); // no user, clear display function clearDisplay() { $('#user-info').hide('fast'); } // handle a session response from any of the auth related calls function handleSessionResponse(response) { // if we dont have a session, just hide the user info if (!response.session) { clearDisplay(); return; } // if we have a session, query for the user's profile picture and name FB.api('/me/accounts', function(response) { $('#user-info').html(JSON.stringify(response)); }); } </script> </body> </code></pre> <p>This example is taken from the documentation of the JavaScript SDK. You need to get you API_KEY from the facebook developper page <a href="http://www.facebook.com/developers/apps.php" rel="nofollow">http://www.facebook.com/developers/apps.php</a></p>

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