<?php
//This is my skeleton template for a PHP SDK canvas app, use it if you find it useful.
//Lately I use iframe canvas apps so I used a javascript page redirect instead of fbjs ajax with require_login();
//Don't forget to change path to PHP SDK if necessary
require_once 'facebook.php';
// Create our Application instance. Don't forget to change to your AppId and Secret
$facebook = new Facebook(array(
'appId' => 'XXXXXXXXXXXXX',
'secret' => 'XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX',
'cookie' => true,));
// Uncomment to debug post fields
// print_r($_REQUEST);
// Setting canvas to 1 and fbconnect to 0 fixes issues with being redirected back to your base domain instead of back to the canvas app on auth
$loginUrl = $facebook->getLoginUrl($params = array('canvas' => 1, 'fbconnect' => 0, 'req_perms' => 'insert required perms here'));
$session = $facebook->getSession();
$me = null;
if ($session) {
try {
$me = $facebook->api('/me');
//If user has authed application, render a logout link.
//echo '<a href="'.$facebook->getLogoutUrl().'">Logout</a>';
} catch(FacebookApiException $e){
//Uncomment the line below to have a user click to authorize the app instead of requesting permissions on page load.
//echo '<a href="'.$loginUrl.'">Login</a>';
//Request permissions on page load if app is not authed & cannot request user information.
echo "<script type='text/javascript'>top.location.href = '".$loginUrl."';</script>";
error_log($e);
}
} else {
//Request permissions on page load if app is not authed & or session is invalid.
echo "<script type='text/javascript'>top.location.href = '".$loginUrl."';</script>";
}
// If you can hit user on the Graph API, do some stuff
if($me) {
}
?>