Facebook and Twitter have become large in the social network world and both networks offering oAuth support. We developed a system to login with Twitter and Facebook. Nowadays web users not interested to filling the big registration forms. This script helps you to avoid registration forms, It’s is very useful and simple to integrate.


Database
Sample database
users table columns id, email, oauth_uid, oauth_provider
and username.
CREATE TABLE users
(
id INT PRIMARY
KEY AUTO_INCREMENT,
email VARCHAR(70),
oauth_uid VARCHAR(200),
oauth_provider VARCHAR(200),
username VARCHAR(100),
twitter_oauth_token VARCHAR(200),
twitter_oauth_token_secret VARCHAR(200)
);
The tutorial contains three folders called
facebook,
twitter and
config with PHP files.
facebook //Facebook
OAUTH library
twitter //Twitter
OAUTH library
config
-- functions.php
-- dbconfig.php
//Database connection
-- fbconfig.php
//Facebook API connection
-- twconfig.php
//Twitter API connection
index.php
home.php
login-twitter.php
login-facebook.php
getTwitterData.php
Facebook Setup
You have to
create a application. Facebook will provide you
app
id and
app secret id, just modify following code
fcconfig.php
<?php
define('APP_ID', 'Facebook
APP ID');
define('APP_SECRET', 'Facebook
Secret ID');
?>
Twitter Setup
Create a twitter application
click here. Some like Facebook Twitter provide you
consumer key amd consumer secret key using these modify following code.
twconfig.php
<?php
define('YOUR_CONSUMER_KEY', 'Twitter Key');
define('YOUR_CONSUMER_SECRET', 'Twitter Secret Key');
?>
dbconfig.php
Database configuration file.
<?php
define('DB_SERVER', 'localhost');
define('DB_USERNAME', 'User
Name');
define('DB_PASSWORD', 'Password');
define('DB_DATABASE', 'DATABASE');
$connection = mysql_connect(DB_SERVER,
DB_USERNAME, DB_PASSWORD) or
die(mysql_error());
$database = mysql_select_db(DB_DATABASE)
or die(mysql_error());
?>
login-twitter.php
In root directory find out the below line at i>login-twitter.php code and
replace
yourwebsite.
$request_token =
$twitteroauth->getRequestToken('http://yourwebsite.com/getTwitterData.php');
index.php
If you want to modify your web project existing login or index pages, just use
following code.
<?php
session_start();
if (isset($_SESSION['id'])) {
// Redirection to login
page twitter or facebook
header("location: home.php");
}
if (array_key_exists("login", $_GET))
{
$oauth_provider = $_GET['oauth_provider'];
if ($oauth_provider == 'twitter')
{
header("Location: login-twitter.php");
}
else if ($oauth_provider == 'facebook')
{
header("Location:
login-facebook.php");
}
}
?>
//HTML Code
<a href="?login&oauth_provider=twitter">Twitter_Login</a>
<a href="?login&oauth_provider=facebook">Facebook_Login</a>