How to post HTML content in facebook wall using facebook api in php
I have used below codes but not working
$result = $facebook->api('/me/feed/','post',array( 'message' => '<h1>This is my demo Face book application!</h1>'));
And I used as below code using php concatenate the HTML string
$result = $facebook->api('/me/feed/','post',array( 'message' => 'This is my demo Facebook application!' . $htmlStr));
but not working and getting below error
OAuthException: (#1) An unknown error occurred
Any please help me.