PHP Facebook Login

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To implement Facebook login using PHP, you can follow these steps:

  1. Create a Facebook App: Go to the Facebook Developer website and create a new app. Once you create an app, you will get an App ID and App Secret that you will need later.
  2. Install the Facebook PHP SDK: Download the Facebook PHP SDK from the Facebook Developer website and extract the files into your project directory.
  3. Include the Facebook PHP SDK: Include the Facebook PHP SDK in your PHP file using the following code:
require_once 'path/to/facebook-php-sdk/autoload.php';
  1. Create a Facebook Login Button: Create a Facebook login button using the following code:
<a href="#" onclick="fbLogin();">Login with Facebook</a>
  1. Implement the Facebook Login: Implement the Facebook login using the following code:
  function fbLogin() {
    FB.login(function(response) {
      if (response.authResponse) {
        var access_token = response.authResponse.accessToken;
        FB.api('/me', function(response) {
          // Get user information here
      } else {
        console.log('User cancelled login or did not fully authorize.');
    }, {scope: 'email'});
  1. Retrieve User Information: To retrieve user information, use the following code:
$fb = new Facebook\Facebook([
  'app_id' => '{your-app-id}',
  'app_secret' => '{your-app-secret}',
  'default_graph_version' => 'v3.3',

try {
  $response = $fb->get('/me?fields=id,name,email', $access_token);
  $user = $response->getGraphUser();
  $user_id = $user->getId();
  $user_name = $user->getName();
  $user_email = $user->getEmail();
} catch(Facebook\Exceptions\FacebookResponseException $e) {
  // Handle exception
} catch(Facebook\Exceptions\FacebookSDKException $e) {
  // Handle exception

Note: Replace {your-app-id} and {your-app-secret} with your actual App ID and App Secret, respectively.

That’s it! You have now implemented Facebook login using PHP.

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