protected function add(array $items)
    {
        array_walk($items, function ($value, string $key) {
            add_theme_support($key, $value);
        });
    }
protected function add(array $items)
    {
        array_walk($items, function ($value, string $key) {
            add_theme_support($key, $value);
        });
    }
protected function add ( array $ items ) { array_walk ( $ items , function ( $ value , string $ key ) { add_theme_support ( $ key , $ value ) ; } ) ; }
Add theme support for given keys and values.

@param array $items Keys and their values.
Add theme support for given keys and values .