How to post HTML content in facebook wall using facebook api in php

[berlin]

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