$this->tail->next = $node;
$this->tail = $this->tail->next;
$this->size++;
}
public function get($pos)
{
return $this->go($pos)->next->data;
}
private function go($pos)
{
$node = $this->head;
for ($i = 0; $i < $pos; $i++) {
$node = $node->next;
}
return $node;
}
public function size()
{
return $this->size;
}
}
$linkedlis = new LinkedList();
$linkedlis->add('2');
$linkedlis->add('4');
$linkedlis->add('6');
$linkedlis->add('8');
echo $linkedlis->size();
echo $linkedlis->get(0);
echo $linkedlis->get(1);
echo $linkedlis->get(2);
echo $linkedlis->get(3);
