redirect members away from a specific page for PMPro.

redirect-members-from-page-pmpro.php

<?php
/**
 * This will redirect members from Page A to Page B. Non-members will be able to access Page A.
 * Add this code to your PMPro Customizations Plugin - https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */
 function my_template_redirect_members() {
  if ( is_page('join') && pmpro_hasMembershipLevel() ) {
		wp_redirect(home_url( '/my-page-slug' ) );
		exit;
	}
}
add_action('template_redirect', 'my_template_redirect_members');