Posting Status in your Facebook Page with PHP API Class Wrapper

Post your Status in Facebook Page with PHP API Class Wrapper

Get Your App Id and App Secret 
http://developers.facebook.com

Facebook PHP SDK (v.3.2.2)
https://github.com/facebook/facebook-php-sdk

Source Code

<?php

/* Post your Status in your Facebook Page with PHP API Integration */

require 'src/facebook.php';

/* Configure Facebook Apps Settings */

define('APP_ID', '<YOUR-APP-ID>');
define('APP_SECRET', '<YOUR-APP-SECRET>');
define('APP_PERMISSION', 'publish_stream, manage_pages');
define('FILE_UPLAOD', FALSE);


/* Configure Facebook */

$facebook = new Facebook(
                array(
                    'appId'         => APP_ID,
                    'secret'        => APP_SECRET,
                    'fileUpload'    => FILE_UPLAOD
                )
        );

try {
    
    $user = $facebook->getUser();

    if ($user) {
        
        $page_id = '<YOUR-PAGE-ID>';
        $page_info = $facebook->api("/$page_id?fields=access_token");
        
        if( !empty($page_info['access_token']) ) {
            $data = array(
                            'access_token'  => $page_info['access_token'],
                            'message'       => '<YOUR-POST-MESSAGE>', 
                            'picture'       => '<YOUR-PICTURE-URL-LINK>', 
                            'link'          => '<YOUR-WEBSITE-URL-LINK>',
                            'description'   => '<YOUR-POST-DESCRIPTION>', 
                            'name'          => '<YOUR-POST-NAME>'

                        );
            $post_id = $facebook->api("/$page_id/feed","post",$data);
       } else {
        $permissions = $facebook->api("/me/permissions");
        if( !array_key_exists('publish_stream', $permissions['data'][0]) || !array_key_exists('manage_pages', $permissions['data'][0])) {
            echo("<script>top.location.href='" . $facebook->getLoginUrl(array( 'scope' => APP_PERMISSION )) . "'</script>");
        }

    }
        
    }else{
        echo("<script>top.location.href='" . $facebook->getLoginUrl(array( 'scope' => APP_PERMISSION )) . "'</script>");
    }

} catch (FacebookApiException $e) {
    echo $e->getMessage();
    $user = null;
}

Invite Friends In FACEBOOK with API Apprequest Method Implementation

This sample Code is a Facebook API method implementation which uses Javascript SDK. A simple source code that can invite your friends to use your Facebook Application.

Source Code

 <!DOCTYPE html>
<html>
    <head>
        <title></title>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    </head>
    <body>
        <script type="text/javascript">
            window.fbAsyncInit = function() {
                FB.init({
                    appId: "<YOUR-APP-ID>",
                    status: true,
                    cookie: true
                });
            };
            
            // Load the SDK Asynchronously
            (function(d){
                var js, id = 'facebook-jssdk', ref = d.getElementsByTagName('script')[0];
                if (d.getElementById(id)) {return;}
                js = d.createElement('script'); js.id = id; js.async = true;
                js.src = "//connect.facebook.net/en_US/all.js";
                ref.parentNode.insertBefore(js, ref);
            }(document));
            
            function invite_your_friends() {
                FB.ui({
                    method: "apprequests",
                    message: "Check out this Fantastic App!"
                }, invite_your_friends_callback);
            }
            
            function invite_your_friends_callback(response) {
                console.log(response);
            }

  </script>
  <center>
      <a href="javascript:;" onclick="invite_your_friends();">
          <h3>Invite Your Friends and Share this Fantastic App!</h3>
      </a>
  </center>
    </body>
</html>