HH\KeyedIterable::lastKey
Returns the last key in the current KeyedIterable
public function lastKey(): ?Tk;
Returns
?Tk- The last key in the currentKeyedIterable, ornullif the currentKeyedIterableis empty.
Returns the last key in the current KeyedIterable
public function lastKey(): ?Tk;
?Tk - The last key in the current KeyedIterable, or null if the
current KeyedIterable is empty.