Remove the WordPress admin toolbar on the front-end for specific user roles.
✓ Supports multiple instances.
intervention('remove-toolbar-frontend', $roles(string|array));
$roles: all
$roles: all, all-not-admin, admin, editor, author, contributor, subscriber
intervention('remove-toolbar-frontend');
// Removes front-end toolbar for all user roles.
intervention('remove-toolbar-frontend', 'contributor');
// Removes front-end toolbar for user role contributor.
intervention('remove-toolbar-frontend', ['contributor', 'subscriber']);
// Removes front-end toolbar for user roles contributor and subscriber.