This tutorial teaches you how a create a log in system whereby, the users of your websites can easily log into your websites using their Facebook accounts via Facebook PHP SDK version 3.0
This tutorial requires that you create a Facebook Application to get an Application ID and Application Secret numbers.
The Facebook Application can be created at https://developers.facebook.com/apps/
When creating your Facebook application, you will need to provide or specify a callback URL which should be the URL to your login page where the login with Facebook button is placed as shown in the screen shot below.
This is a very simple application to understand only if you can follow the steps given in the README.txt file and the scripts are properly commented to ease usability.
: This application is not meant to work on your localhost, you need to upload the files to your remote server after creating your Facebook Application and filling in your details in the config.php file as specified in the README.txt file.
To install the system on your server after you must have downloaded the zipped folder containing the required files, please extract the file to your system then, open the file named README.txt and follow the installation steps given in that file.
To see the system in action, please click on the Live Demo Button below and download if you like what you see.