php is closure

1Closure {
2/* Methods */
3private __construct()
4public static bind(Closure $closure, object|null $newThis, object|string|null $newScope = "static"): Closure|null
5public bindTo(object|null $newThis, object|string|null $newScope = "static"): Closure|null
6public call(object $newThis, mixed ...$args): mixed
7public static fromCallable(callable $callback): Closure
8}