function eab__event_categories_to_classes($cls, $event_id)
{
$event = new Eab_EventModel(get_post($event_id));
$taxonomies = $event->get_categories();
if (empty($taxonomies)) {
return $cls;
}
$classes = array_values(wp_list_pluck($taxonomies, 'slug'));
if (empty($classes)) {
return $cls;
}
return trim($cls . ' ' . join(' ', array_map('sanitize_html_class', $classes)));
}
