Online PHP editor | output for 2Y1eu

<?php interface I { public function phpyh(string $x): iterable; } abstract class A implements I { abstract public function phpyh(int|string $x): array|\Generator; } interface I2 { public function phpyh(float $x, string $y): array; } final class B extends A implements I, I2 { public function phpyh(int|string|float $x, string $y = 'С 8 марта!'): array { return []; } } new B();