PHP Manual
SplDoublyLinkedList
Prepends the doubly linked list with an element

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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