false]; yield [[3 => 4, 4 => 5], [1, 2, 3, 4, 5], fn (int $i) => $i <= 3]; yield [[2 => 3, 3 => 4, 4 => 5], [1, 2, 3, 4, 5], fn (int $i) => $i <= 2]; yield [[], [1, 2, 3, 4, 5], fn (int $_) => true]; } }