Redirect Logged Out Users To Homepage

functions.php

/**
 * Redirect Logged Out Users To Homepage
 *
 * @uses template_redirect() Template Redirect action hook
 * @uses is_user_logged_in() conditional tag
 * @uses is_page() conditional tag
 * @uses is_front_page() conditional tag
 * @uses wp_redirect() WP Redirect function
 * @uses home_url() Home URL function
 *
 */


function redirect_to_homepage() {
if ( !is_user_logged_in() && !is_page( 'login' ) && ! is_page('register') && ! is_front_page() ) {
   //redirect logged out users to homepage
   wp_redirect( home_url() );
   exit;
}

add_action('template_redirect', 'redirect_to_homepage');