*
	 * @since 1.5.0
	 *
	 * @param array $args Method parameters.
	 * @return array
	 */
	function pingback_extensions_getPingbacks($args) {

		global $wpdb;

		do_action('xmlrpc_call', 'pingback.extensions.getPingbacks');

		$this->escape($args);

		$url = $args;

		$post_ID = url_to_postid($url);
		if ( !$post_ID ) {
			// We aren't sure that the resource is available and/or pingback enabled
	  		return new IXR_Error(33, __('The specified target URL cannot be used as a target. It either doesn’t exist, or it is not a pingback-enabled resource.'));
		}

		$actual_post = wp_get_single_post($post_ID, ARRAY_A);

		if ( !$actual_post ) {
			// No such post = resource not found
	  		return new IXR_Error(32, __('The specified target URL does not exist.'));
		}

		$comments = $wpdb->get_results( $wpdb->prepare("SELECT comment_author_url, comment_content, comment_author_IP, comment_type FROM $wpdb->comments WHERE comment_post_ID = %d", $post_ID) );

		if ( !$comments )
			return array();

		$pingbacks = array();
		foreach ( $comments as $comment ) {
			if ( 'pingback' == $comment->comment_type )
				$pingbacks[] = $comment->comment_author_url;
		}

		return $pingbacks;
	}
}

$wp_xmlrpc_server = new wp_xmlrpc_server();
$wp_xmlrpc_server->serve_request();
?>