redirect-to-homepage-after-logout.php

<?php
/**
 * @package Redirect to homepage after logout
 * @version 0.1
 */
/*
Plugin Name: Redirect to homepage after logout
Plugin URI: http://daankortenbach.nl/wordpress/redirect-to-homepage-after-logout/
Description: Redirects the user to the homepage after logout
Author: Daan Kortenbach
Version: 0.1
Author URI: http://krtnb.ch/
*/

add_filter('logout_url', 'dmk_logout_redirect_url', 10, 2);
/**
 * Adds a redirect url to the homepage to $logouturl
 *
 * @author Daan Kortenbach
 * @param string $logouturl Existing logouturl
 * @return string $logouturl Amended with redirect url
 */
function dmk_logout_redirect_url( $logouturl ) {
	
	return $logouturl . '&amp;redirect_to=' . urlencode( get_option( 'siteurl' ) );

}


add_action( 'init', 'dmk_loggedout_redirect' );
/**
 * Redirects if loggedout is true in case a custom logouturl is used.
 *
 * @author Daan Kortenbach
 */
function dmk_loggedout_redirect() {

	if( $_GET['loggedout'] == 'true' ) {

		wp_redirect( get_option( 'siteurl' ) );
		exit;

	}

}