HH\KeyedIterable::firstValue
Returns the first value in the current KeyedIterable
public function firstValue(): ?Tv;
Returns
?Tv- The first value in the currentKeyedIterable, ornullif the currentKeyedIterableis empty.
Returns the first value in the current KeyedIterable
public function firstValue(): ?Tv;
?Tv - The first value in the current KeyedIterable, or null if the
current KeyedIterable is empty.