Přihlášení přes fb

<?php
include "opendb.php";
require 'facebook/src/facebook.php';
require 'fb_config.php';

// Get User ID
$user = $facebook->getUser();


if($user)
{
  try 
  {
    $user_profile = $facebook->api('/me');
  } 
  catch (FacebookApiException $e) 
  {
    error_log($e);
    $user = null;
  }
}

if($user)
{
  $logoutUrl = $facebook->getLogoutUrl(array('next'=>'http://127.0.0.1:8080/fb/fb_logout.php'));
}
else
{
  $loginUrl = $facebook->getLoginUrl(array( 'scope' => 'email, user_birthday, user_about_me, user_hometown, user_location, user_photos, friends_photos'));
  echo '<a href="'.$loginUrl.'"><img src="images/facebook.png" title="Login with Facebook" /></a>';
}


      
if($user)
{
  mysql_query("CREATE TABLE IF NOT EXISTS fb_users
                (
                id INT PRIMARY KEY AUTO_INCREMENT,
                date DATETIME,
                facebook_id VARCHAR(50),
                username VARCHAR(200),
                name VARCHAR(200),
                email VARCHAR(200),
                gender VARCHAR(10),
                birthday VARCHAR(50),
                location VARCHAR(200),
                hometown VARCHAR(200),
                bio TEXT,
                timezone VARCHAR(10),
                access_token TEXT
                )");
  
                      
  $fb_info = $user_profile; 
  
  $date = date("Y-m-d H:i:s");
  $facebook_id = mysql_real_escape_string($fb_info['id']);
  $username = mysql_real_escape_string($fb_info['username']);
  $name = mysql_real_escape_string($fb_info['name']);
  $email = mysql_real_escape_string($fb_info['email']);
  $gender = mysql_real_escape_string($fb_info['gender']);
  $birthday = mysql_real_escape_string($fb_info['birthday']);
  $location = mysql_real_escape_string($fb_info['location']['name']);
  $hometown = mysql_real_escape_string($fb_info['hometown']['name']);
  $bio = mysql_real_escape_string($fb_info['bio']);
  $timezone = mysql_real_escape_string($fb_info['timezone']);
  $access_token = $facebook->getAccessToken();
  
  
  $id_check = mysql_query("SELECT * FROM fb_users WHERE facebook_id='$facebook_id'");
  $exist = mysql_num_rows($id_check);

  if ($exist > 0)
  {
    $update = mysql_query("UPDATE fb_users SET username='$username',name='$name',email='$email',gender='$gender',birthday='$birthday',location='$location',hometown='$hometown',bio='$bio',timezone='$timezone' WHERE facebook_id='$facebook_id'");
    
    $_SESSION['id'] = mysql_result(mysql_query("SELECT id FROM fb_users WHERE facebook_id='$facebook_id'"), 0);
    
    echo "<script>window.location.replace('home.php');</script>";
  }
  else
  {
    $insert = mysql_query("INSERT INTO fb_users VALUES ('0', '$date', '$facebook_id','$username','$name','$email','$gender','$birthday','$location','$hometown','$bio','$timezone','$access_token')");
    
    $_SESSION['id'] = mysql_result(mysql_query("SELECT id FROM fb_users WHERE facebook_id='$facebook_id'"), 0);
    
    echo "<script>window.location.replace('presmerovani.php');</script>";
  }
} 

  
?>