WordPress XML-RPC example.

wpxmlrpc.php

<?php 

    //https://raw.github.com/dongsheng/cURL/master/curl.class.php
	require_once('curl_class.php');

  	$request = array(
  		'blog_id'   => 1,
  		'username'  => 'username',
  		'password'  => 'password',
  		'post_id'   => 84 
  	);

  	/* oop curl instance */
	$curl = new curl;
	/* encode the xmlrpc request */
	$encoded_request = xmlrpc_encode_request('wp.getPosts', $request ); 
	/* get the response from the server (POST) */
	$response = $curl->post('http://yoursite.com/xmlrpc.php', $encoded_request );
	/* Print the response */
	print_r( xmlrpc_decode($response ) );

?>