<?php
// Start a session and load the OAuth library.
session_start();
require_once __DIR__ . '/oauth-client/src/facebook.class.php';
// Create a new Facebook object.
$facebook = new OAuthFacebook("0000000000000000", "0000000000000000000000000000000000000000", array("session_prefix" => "fb_"));
// Try to fetch an access token with the code in $_GET["code"]. Also check the state in $_GET["state"].
try {
$facebook->getAccessTokenFromCode("http://example.com/facebook-1/code.php");
// --------
// If we got here, no error was thrown and an access token was successfully retrieved from the code.
// Output the code and access token.
echo "Success! Click the link at the bottom of the page to return home and fetch data using the access token.<br />\n";
echo "Code: " . htmlspecialchars($_GET["code"]) . "<br />\n";
echo "Access Token: " . htmlspecialchars($facebook->accessToken()) . "\n<br /><br />\n\n";
} catch (Exception $error) {
echo "Error - Click the link at the bottom of the page to return home and try again: " . $error->getMessage() . "\n<br /><br />\n\n";
}
// Output a link to the homepage to fetch data using the access token.
echo "<a href=\"./\">Home</a>\n";
