SplDoublyLinkedList::unshift
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
SplDoublyLinkedList::unshift — Prepends the doubly linked list with an element
Description
public SplDoublyLinkedList::unshift(mixed $value): void
Prepends value at the beginning of the doubly linked list.
Parameters
-
value -
The value to unshift.
Return Values
No value is returned.
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https://www.php.net/manual/en/spldoublylinkedlist.unshift.php
