XML RPC Problem in WordPress

Hello in the below PHP Code

Everything seems fine but it did not posts to the site when i use it

Can any one spot out what type of error it is

Also here the XML RPC is enabled and the when i access it directly it works(i mean the error message "XML-RPC server accepts POST requests only")

<?php


function wpPostXMLRPC($title,$body,$rpcurl,$username,$password,$categories=array(1))
{
	$username = "testuser";
	$password = "itestpaass";
	$rpurl = "http://domain.com/xmlrpc.php";
	$categories = "info";
	$XML = "<title>$title</title>"."<category>$categories</category>".$body;
	$params = array('','',$username,$password,$XML,1);
	$request = xmlrpc_encode_request('blogger.newPost',$params);
	$ch = curl_init();
	curl_setopt($ch, CURLOPT_POSTFIELDS, $request);
	curl_setopt($ch, CURLOPT_URL, $rpcurl);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	curl_setopt($ch, CURLOPT_TIMEOUT, 1);
	curl_exec($ch);
	curl_close($ch);



};

?>

PHP:

 

Any Update please???