How to Post to a Facebook Fan Page from your PHP Website?

Post to Facebook Fan Page Using PHP: A Comprehensive Guide

Posting to a Facebook fan page directly from your PHP-based website can be a handy feature. However, finding up-to-date tutorials can be a challenge.

Step 1: Obtaining Permissions and Page Token

To post to your fan page, you need to obtain the necessary permissions and page access token.

1. Visit the Facebook Developers Tools Explorer and select your app.
2. Click "Get access token" and grant extended permissions, including "manage_pages" and "publish_stream".
3. Enter "me/accounts" in the GET URL and retrieve the page token and ID for your desired page.

Step 2: Posting to Your Page via PHP

1. In your PHP script, define the page access token and page ID obtained in Step 1:

   $page_access_token = 'XXXXXXX';
   $page_id = 'YYYYYYYY';

2. Create an array containing the post data:

   $data = [
       'picture' => "http://www.example.com/image.jpg",
       'link' => "http://www.example.com/",
       'message' => "Your message",
       'caption' => "Caption",
       'description' => "Description",
       'access_token' => $page_access_token,
   ];

3. Set the post URL:

   $post_url = 'https://graph.facebook.com/'.$page_id.'/feed';

4. Use cURL to post the message:

   $ch = curl_init();
   curl_setopt($ch, CURLOPT_URL, $post_url);
   curl_setopt($ch, CURLOPT_POST, 1);
   curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
   curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
   $return = curl_exec($ch);
   curl_close($ch);

After executing the PHP script, the post should appear on your Facebook fan page.

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