Simple Facebook App With Php Sdk - php

Question

I just need simple and working facebook app. I bought ssl for this and i dont want too much expenses.
If user allowed app it will write his name and gender and his/her friends gender.
my app doesnt redirect after user allow the app. I cant fix it so just need basic app with out url redirecting.
ı used this code but it doesnt work. it need to be corrected:
require_once("facebook.php");
$facebook = new Facebook(array(
'appId' => '***',
'secret' => '***',
'scope' => 'manage_pages,offline_access,publish_stream,user_photos'
));
$user = $facebook->getUser();
if ($user) {
try {
// Proceed knowing you have a logged in user who's authenticated.
$user_profile = $facebook->api('/me');
} catch (FacebookApiException $e) {
$user = null;
}
}
if ($user) {
$logoutUrl = $facebook->getLogoutUrl();
} else {
$loginUrl = $facebook->getLoginUrl();
}

Answer 1

Here is the simple one page application full fills your needs
make the file with name index.php
download the facebook library download here
<?php
require_once 'library/facebook.php';
// Create our Application instance.
$facebook = new Facebook(array(
'appId' => 'appid',
'secret' => 'secret',
'cookie' => true,
));
$app_id = 'appid';
$canvas_page = "canvas_page_link";
$auth_url = "http://www.facebook.com/dialog/oauth?client_id="
. $app_id . "&redirect_uri=" . urlencode($canvas_page) . ("&scope=email,read_stream&response_type=token");
$signed_request = $_REQUEST["signed_request"];
list($encoded_sig, $payload) = explode('.', $signed_request, 2);
$data = json_decode(base64_decode(strtr($payload, '-_', '+/')), true);
if (empty($data["user_id"])) {
echo("<script> top.location.href='" . $auth_url . "'</script>");
} else {
//getting the userid and some other data for verification
//get the user id
$UserId = $data["user_id"];
echo 'UserId;' . $UserId;
//get the user access token
$token = $facebook->getAccessToken();
echo "</br>" . 'Access_Token:' . $token;
//set default access token and profile
$facebook->setAccessToken($token);
$user_profile = $facebook->api('/me');
//get the user name
$user_id = $facebook->getUser();
$user_profile = $facebook->api('/me','GET');
$user_name = $user_profile['name'];
echo "Name: " . $user_name;
$user_gender = $user_profile['gender'];
echo "Gender: " . $user_gender;
}
?>