Oauth Login for Linkedin, Facebook, Google and Microsoft

Introducing the new light weight OAuth Login commercial edition, an OAuth login system for your website with Facebook, Google, Microsoft and Linkedin. OAuth Login is very quick and powerful, sure this helps you to increase your web project registrations. It's definitely a must have login system for every PHP based web projects. Hardly it will take 10 mins for installation.

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Database
Users table database design.

CREATE TABLE IF NOT EXISTS `users`
(
id INT(11) NOT NULL AUTO_INCREMENT,
email VARCHAR(200) ,
name VARCHAR(200) ,
first_name VARCHAR(200) ,
last_name VARCHAR(200) ,
gender VARCHAR(10) ,
birthday VARCHAR(20) ,
location VARCHAR(200) ,
hometown VARCHAR(200) ,
bio TEXT,
relationship VARCHAR(30) ,
timezone VARCHAR(10) ,
provider VARCHAR(10) ,
provider_id INT(30) ,
picture TEXT,
PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 AUTO_INCREMENT=8 ;

The script contains three folders called facebook_lib, google_lib, microsoft_lib,linkedin_lib and images with PHP files.

facebook_lib //Facebook OAUTH library 
-- config.php //Facebook app configuration file.
google_lib //Google OAUTH library 
-- config.php //Google app configuration file.
microsoft_lib //Microsoft OAUTH library 
-- config.php //Microsoft app configuration file.
linkedin_lib //Linkedin OAUTH library 
-- config.php //Linkedin app configuration file.
images
db.php //Database connection 
OauthLogin.php //Class 
facebook_login.php //Facebook Login
google_login.php //Google Login
microsoft_login.php //Microsoft Login
linkedin_login.php //Linkedin Login
index.php
home.php
header.php
redirect.php
logout.php

How to Use
Just call anchor tag with particular service login file. 

<a href='facebook_login.php'>Facebook Login</a>
<a href='google_login.php'>Google Login</a>
<a href='microsoft_login.php'>Microsoft Login</a>
<a href='linkedin_login.php'>Linkedin</a>

How it Works
Facebook & Google Authentication Flowchart

Installation
In this script just you have to modify three file.

db.php
Database configuration file, modify MySQL server details.

<?php
$mysql_hostname = "localhost";
$mysql_user = "username";
$mysql_password = "password";
$mysql_database = "databasename";
$bd = mysql_connect($mysql_hostname, $mysql_user, $mysql_password) or die("Could not connect database");
mysql_select_db($mysql_database, $bd) or die("Could not select database");
$base_url='http://www.yourwebsite.com/';
?>

Application setup details click here.

Facebook Configuration facebook_lib/config.php
You have to create a application. Facebook will provide you app id and app secret id, just replace in the following code.
fbconfig.php

<?php
$facebook_appid='App ID';
$facebook_app_secret='App Secret';
$facebook_scope='email,user_birthday';
$facebook = new Facebook(array(
'appId' => $facebook_appid,
'secret' => $facebook_app_secret,
));
?>

Google Configuration google_lib/config.php
You can find this in google_lib folder, here you have to configure application OAuth keys, Consumer keys and redirection callback URL.

// OAuth2 Settings, you can get these keys at https://code.google.com/apis/console Step 6 keys 
'oauth2_client_id' => 'Client ID',
'oauth2_client_secret' => 'Client Secret',
'oauth2_redirect_uri' => 'http://www.yoursite.com/google_login.php',

// OAuth1 Settings Step 3  keys.
'oauth_consumer_key' => 'OAuth Consumer Key',
'oauth_consumer_secret' => 'OAuth Consumer Secret',

Microsoft Configuration microsoft_lib/config.php
Click here to launch Microsoft live development dashboard and create an application. Microsoft will provide you Client_Id and Client_Secret.
fbconfig.php

<?php

//Microsoft Application Settings
$microsoft_client_id='Client ID';
$microsoft_client_secret='Client Secret';
$microsoft_scope='wl.basic wl.emails wl.birthday';
$microsoft_redirect_url=$base_url.'microsoft_login.php';

));
?>

Linkedin Configuration linkedin_lib/config.php
Click here to launch Linkedin developer network and application will provide your App_Key and App_Secret. 
fbconfig.php

<?php

//Linkedin Application Settings
$linkedin_appKey='App Key';
$linkedin_appSecret='App Secret';
$linkedin_callbackUrl=$base_url.'linkedin_login.php';

));
?>

Installation Video