gistfile1.phtml

<?php

function is_subscriber_or_anonymous() {
	global $current_user;

	$current_user = wp_get_current_user();
	if ( !($current_user instanceof WP_User) )
		true;
	$roles = $current_user->roles;

	return in_array("subscriber", $roles);
}


if (is_subscriber_or_anonymous()) {
	add_action('wp_footer', 'gauges', 99);
}

?>