How to post on facebook wall?

Question

Facebook

$post= file_get_contents($url, false, stream_context_create(array(
            'http' => array(
                'method'  => 'POST',
                'header'  => 'Content-type: application/x-www-form-urlencoded',
                'content' => http_build_query(array('message'=>'hello world'))
            )
        )));

ERROR
Warning: file_get_contents( https://graph.facebook.com/v2.5/me/feed): failed to open stream: HTTP request failed! HTTP/1.1 400 Bad Request in D:\xampp\htdocs\test.local\index.php on line 102

Answer 1

First you need to create an application in facebook , copy and paste the authorization keys
.