(PHP 5 >= 5.3.0, PHP 7)
SplDoublyLinkedList::offsetUnset — Unsets the value at the specified $index
Unsets the value at the specified index.
indexThe index being unset.
Nu este întoarsă nici o valoare.
Throws OutOfRangeException when index is out of bounds
or when index cannot be parsed as an integer.