(PHP 5 >= 5.3.0, PHP 7, PHP 8)
SplDoublyLinkedList::offsetUnset — Unsets the value at the specified $index
$index
Unsets the value at the specified index.
index
The index being unset.
没有返回值。
Throws OutOfRangeException when index is out of bounds or when index cannot be parsed as an integer.