Login with Facebook and Google php script

Login with Facebook and Google is not so much tricky .In this post we will discuss about facebook and google login in php with OAuth2 and at the end of the post you can download the utility( Login with Facebook and Google php script ).

while i was working on this project i encountered with some errors like:

Fatal error: Uncaught exception ‘Google_AuthException’ with message ‘Error fetching OAuth2 access token, message: ‘invalid_grant’
Page is not redirect properly during facebook login.

well “Fatal error: Uncaught exception ‘Google_AuthException’” this error was nothing but confliction of google OAuth with facebook login To resolve this we use a two way switch method.
when user login with facebook then we lock Google login and when user login with google then we lock Facebook login.

before Login with Facebook and Google You need to do some task at developer account of facebook and google

At Facebook End

Login your facebook.
Go To : Facebook Apps.
Now create a new apps there, in section Website with Facebook login enter the url where you want the data of Facebook user.

Now note api key and secret.

At Google end

login your google account
Go to manage domain
Add and verify your domain.after verification your domain will be active.
Go to google console.
In API Access Menu Create a client id.
Now check on web application , Enter your Doman and callback Uri where you want the data of google user.

Now note api key and secret.

How To Use login with Facebook and Google KIT

Open the facebook.config.php
Paste your apps id and secret.

require_once dirname(dirname(__FILE__)).’/facebook/facebook.php’;

$facebook = new Facebook(array(

‘appId’ =>’your apps ID’,

‘secret’ => ‘App Secret’,

‘cookie’ => true ,

));

?>

require_once dirname(dirname(__FILE__)).‘/facebook/facebook.php’;

$facebook = new Facebook(array(

‘appId’ =>‘your apps ID’,

‘secret’ => ‘App Secret’,

‘cookie’ => true ,

));

For google Login open google.config.php
paste your site_name,oauth2_client_id,oauth2_client_secret and oauth2_redirect_uri.

global $apiConfig;
$apiConfig = array(

‘site_name’ => ‘enter your domain name’,
‘oauth2_client_id’ => ‘client id’,
‘oauth2_client_secret’ => ‘client secret’,
‘oauth2_redirect_uri’ => ‘redirect uri’,
‘use_objects’ => false,

global $apiConfig;

$apiConfig = array(

‘site_name’ => ‘enter your domain name’,

‘oauth2_client_id’ => ‘client id’,

‘oauth2_client_secret’ => ‘client secret’,

‘oauth2_redirect_uri’ => ‘redirect uri’,

‘use_objects’ => false,

for local database setup
edit config.php

$host = “your host”;
$data_b =”your database name”;
$db_user =”db username”;
$db_pwd =”db password”;

$host = “your host”;

$data_b =“your database name”;

$db_user =“db username”;

$db_pwd =“db password”;

this Login with facebook and google php script is free and can be integrated with mvc system easily.
Now download for free happy coding.

Live Demo

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