public function __construct()
{
add_filter('body_class', function (array $classes) {
if (is_single() || is_page() && !is_front_page()) {
if (!in_array(basename(get_permalink()), $classes)) {
$classes[] = basename(get_permalink());
}
}
if (Sidebar::displaySidebar()) {
$classes[] = 'sidebar-primary';
}
return $classes;
}, 10, 1);
}