Hide Admin Bar on the frontend for all users

show_admin_bar_fals.php

<?php
/*
 * Hide Admin Bar on the frontend for all users
 *
 * 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/ 
 */

add_filter( 'show_admin_bar', '__return_false' );