(PHP 5 >= 5.3.0, PHP 7)
SplDoublyLinkedList::offsetSet — Sets the value at the specified $index to $newval
public SplDoublyLinkedList::offsetSet ( mixed $index , mixed $newval ) : void
Sets the value at the specified index to newval.
index
The index being set.
newval
The new value for the index.
No value is returned.
Throws OutOfRangeException when index is out of bounds or when index cannot be parsed as an integer.
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https://www.php.net/manual/en/spldoublylinkedlist.offsetset.php