T5 Anonymize UA String

t5-anonymize-ua-string.php

<?php # -*- coding: utf-8 -*-
/**
 * Plugin Name: T5 Anonymize UA String
 * Description: Takes your URL out of the UA string.
 * Plugin URI:  http://toscho.de/?p=2101
 * Version:     2012.08.21
 * Author:      Thomas Scholz
 * Author URI:  http://toscho.de
 * License:     MIT
 * License URI: http://www.opensource.org/licenses/mit-license.php
 */

add_filter( 'http_request_args', 't5_anonymize_ua_string' );

/**
 * Replace the UA string.
 *
 * @param  array $args Request arguments
 * @return array
 */
function t5_anonymize_ua_string( $args )
{
	global $wp_version;
	$args['user-agent'] = 'WordPress/' . $wp_version;

	// catch data set by wp_version_check()
	if ( isset ( $args['headers']['wp_install'] ) )
	{
		$args['headers']['wp_install'] = 'http://example.com';
		$args['headers']['wp_blog']    = 'http://example.com';
	}
	return $args;
}