Aug 28, 2016
Login with Facebook ( In 20 lines of PHP code )
Step 1: Click here to create a Facebook application.Step 2: Configure App Id and App Secret and redirect url etc.
Here is the code you need to use.
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| <?php | |
| // Set $apiVersion, $apiSecret, $redirectUrl, and $scope etc here. | |
| if($_GET['logout']!=""){ | |
| session_destroy(); | |
| exit("Logged out"); | |
| } | |
| if($_GET['code']!=""){ | |
| $accessData = json_decode(file_get_contents("https://graph.facebook.com/".$apiVersion."/oauth/access_token?client_id=".$appId."&redirect_uri=".$redirectUrl."&client_secret=".$appSecret."&code=".trim($_GET['code'])),true); | |
| $userInfo = json_decode(file_get_contents("https://graph.facebook.com/v2.7/me?fields=email,id,name&access_token=".$accessData['access_token']),true); | |
| $_SESSION['access'] = $userInfo; | |
| }else{ | |
| if($_SESSION['access']['id']!=""){ | |
| echo 'Welcome '.$_SESSION['access']['name'].' <a href="?logout=true">Logout</a>'; | |
| }else{ | |
| ?> | |
| <a href="https://www.facebook.com/dialog/oauth?client_id=<?=$appId?>&redirect_uri=<?=$redirectUrl?>&scope=<?=$scope?>">Login with Facebook</a> | |
| <?php | |
| } | |
| } | |
| ?> |
Labels: facebook_graph_api, oauth, php, Tutorials
By : Motyar+ @motyar