PMPro - Redirect Forum Archive - Login Page

pmpro-redirect-bbpress-archive-login-page.php

<?php
/**
 * Forwards non-logged-in-users going to /forums/ to the WordPress login URL.
 * 
 * You can add this recipe to your site by creating a custom plugin
 * or using the Code Snippets plugin available for free in the WordPress repository.
 * Read this companion article for step-by-step directions on either method.
 * https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */
function pmpro_maybe_redirect_bbpress_forums_archive() {
	if ( is_post_type_archive( 'forum' ) && ! is_user_logged_in() ) {
		wp_safe_redirect( wp_login_url( home_url( '/forum/' ), true ) );
		exit;
	}
}
add_action( 'template_redirect', 'pmpro_maybe_redirect_bbpress_forums_archive' );