public function check(BasketInterface $basket)
{
$balls = $basket->getBalls();
// more balls in basket than required
if ($balls->count() > $this->balls->count()) {
return false;
}
return !array_diff(iterator_to_array($balls), iterator_to_array($this->balls));
}
public function check(BasketInterface $basket)
{
$balls = $basket->getBalls();
$diff = array_diff(iterator_to_array($balls), iterator_to_array($this->balls));
return count($diff) == $balls->count() - 1;
}