pmpro-hide-toolbar-for-non-admins.php

<?php
/**
 * Hide the WordPress toolbar for all users that do not have
 * the administrative 'manage_options' capability.
 *
 * 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 hide_toolbar_for_non_admins( $hide ) {
	if ( ! current_user_can( 'manage_options' ) ) {
		$hide = true;
	}
	return $hide;
}
add_filter( 'pmpro_hide_toolbar', 'hide_toolbar_for_non_admins' );