How to create a clone role in WordPress

gistfile1.php

<?php
/**
 * Clone the subscriber role to create a tenant role
 * Note: this only needs to be run once, so it can be removed after the role is created
 */
function clone_subscriber_to_tenant() {
    $new_role = 'tenant';
    $new_role_name = 'Tenant';
    $source_role = 'subscriber';

    $wp_roles = wp_roles();
    
	// skip if role exists
	if ($wp_roles->get_role($new_role)) {
		return;
	}
    
	$source_capabilities = $wp_roles->get_role($source_role);

	if (!$source_capabilities) {
		return;
	}

	$wp_roles->add_role($new_role, $new_role_name, $source_capabilities->capabilities);
}
add_action('init', 'clone_subscriber_to_tenant');