LinkedListItem.php

<?php

namespace DataStructures\ReverseLinkedList;

class LinkedListItem
{
    private ?LinkedListItem $next = null;
    private ?LinkedListItem $prev = null;
    private $value;

    public function setNext(?LinkedListItem $next)
    {
        $this->next = $next;
        return $this;
    }

    public function getNext(): ?LinkedListItem
    {
        return $this->next;
    }

    public function setPrev(?LinkedListItem $prev)
    {
        $this->prev = $prev;
        return $this;
    }

    public function getPrev(): ?LinkedListItem
    {
        return $this->prev;
    }

    public function setValue($value)
    {
        $this->value = $value;
        return $this;
    }

    public function getValue()
    {
        return $this->value;
    }
}