(PHP 5 >= 5.3.0, PHP 7)
SplDoublyLinkedList::offsetUnset — Unsets the value at the specified $index
Unsets the value at the specified index.
index
The index being unset.
값을 반환하지 않습니다.
Throws OutOfRangeException when index
is out of bounds
or when index
cannot be parsed as an integer.