(PHP 5 >= 5.3.0, PHP 7)
SplDoublyLinkedList::offsetUnset — Unsets the value at the specified $index
public SplDoublyLinkedList::offsetUnset ( mixed $index ) : void
Unsets the value at the specified index.
index
The index being unset.
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.offsetunset.php