PHP Snippet 1:
require_once('libs/facebook.php');
$facebook = new Facebook(array(
'appId' => 'xxxxxx',
'secret' => 'xxxxxx'
));
$facebook->destroySession();
PHP Snippet 2:
$logoutUrl = $facebook->getLogoutUrl(array(
'next'=>'http://yourdomain.com/facebook-test-search.php?logout=yes'
));
PHP Snippet 3:
require_once("php-sdk/facebook.php");
// Create our Application instance (replace this with your appId and secret).
$facebook = new Facebook(array(
'appId' => 'xxx',
'secret' => 'xxx',
));
// Get User ID
$user = $facebook->getUser();
// We may or may not have this data based on whether the user is logged in.
//
// If we have a $user id here, it means we know the user is logged into
// Facebook, but we don't know if the access token is valid. An access
// token is invalid if the user logged out of Facebook.
if ($user) {
try {
// Proceed knowing you have a logged in user who's authenticated.
$user_profile = $facebook->api('/me');
} catch (FacebookApiException $e) {
error_log($e);
$user = null;
}
}
// Login or logout url will be needed depending on current user state.
if ($user) {
$logout_params = array('next'=>'http://www.pittsburghpartycentral.com/logout.php');
$logoutUrl = $facebook->getLogoutUrl($logout_params);
} else {
$login_params = array(
'scope' => 'email',
'display' => 'popup'
);
$loginUrl = $facebook->getLoginUrl($login_params);
}
// This call will always work since we are fetching public data.
$naitik = $facebook->api('/naitik');
?>
<!doctype html>
<html xmlns:fb="http://www.facebook.com/2008/fbml">
<head>
<title>php-sdk</title>
<style>
body {
font-family: 'Lucida Grande', Verdana, Arial, sans-serif;
}
h1 a {
text-decoration: none;
color: #3b5998;
}
h1 a:hover {
text-decoration: underline;
}
</style>
</head>
<body>
<h1>php-sdk</h1>
<?php if ($user): ?>
<a href="<?php echo $logoutUrl; ?>">Logout (<?php echo $user_profile[first_name]; ?>)</a>
<?php else: ?>
<div>
Login using OAuth 2.0 handled by the PHP SDK:
<a href="<?php echo $loginUrl; ?>" onclick="javascript:void window.open('<?php echo $loginUrl; ?>','fb_popup','width=600,height=300,toolbar=0,menubar=0,location=0,status=0,scrollbars=0,resizable=0,left=0,top=0');return false;">Login with Facebook</a>
</div>
<?php endif ?>
<h3>PHP Session</h3>
<pre><?php print_r($_SESSION); ?></pre>
<?php if ($user): ?>
<h3>You</h3>
<img src="https://graph.facebook.com/<?php echo $user; ?>/picture">
<h3>Your User Object (/me)</h3>
<pre><?php print_r($user_profile); ?></pre>
<?php else: ?>
<strong><em>You are not Connected.</em></strong>
<?php endif ?>
<h3>Public profile of Naitik</h3>
<img src="https://graph.facebook.com/naitik/picture">
<?php echo $naitik['name']; ?>
</body>
</html>
PHP Snippet 4:
<?php
session_start(); //start session
$_SESSION = array(); //clear session array
session_destroy(); //destroy session
?>
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Log Out</title>
</head>
<body>
<p>You have successfully logged out!</p>
<p>Return to the <a href="connect.php">connect</a> page</p>
</body>
</html>
PHP Snippet 5:
$facebook->destroySession();
PHP Snippet 6:
$facebook->getLogoutUrl();
PHP Snippet 7:
$facebook->destroySession();
PHP Snippet 8:
$facebook->getLogoutUrl();
PHP Snippet 9:
<?php
require_once('facebook-php-sdk-3.2.3/src/facebook.php');
const TITLE = 'My amazing app';
const REDIRECT = 'https://example.com/myapp/';
#Facebook::$CURL_OPTS[CURLOPT_SSL_VERIFYPEER] = false;
#Facebook::$CURL_OPTS[CURLOPT_SSL_VERIFYHOST] = 2;
$client = new Facebook(array(
'appId' => REPLACE_ME,
'secret' => REPLACE_ME,
));
if (isset($_REQUEST['logout'])) {
$client->destroySession();
header('Location: ' . REDIRECT);
exit(0);
}
if ($client->getUser()) {
try {
$me = $client->api('/me?fields=id,first_name,gender');
$body = '<PRE>' . print_r($me, TRUE) . '</PRE>';
} catch (FacebookApiException $ex) {
error_log($ex);
$body = '<PRE>' . htmlspecialchars($e->getMessage()) . '</PRE>';
}
} else {
$body = sprintf('<P><A HREF="%s">Login</A></P>', $client->getLoginUrl());
}
?>
<!DOCTYPE HTML>
<HTML>
<HEAD>
<TITLE><?= TITLE ?></TITLE>
</HEAD>
<BODY>
<?= $body ?>
<P><A HREF="<?= REDIRECT ?>?logout">Logout</A></P>
</BODY>
</HTML>
PHP Snippet 10:
jQuery(function() {
/* ... */
FB.logout();
window.location = 'some url';
});
