OutputCollection::addAll

For every element in the provided Traversable, append a value into the current collection

public function addAll(
  ?Traversable<Te> $traversable,
): this;

It returns the current collection, meaning changes made to the current collection will be reflected in the returned collection.

Parameters

?Traversable<Te> $traversable - The Traversable with the new values to set. If null is provided, no changes are made.