LP.php

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<?php
 
declare(strict_types=0);
 
namespace ILIAS\Tracking\View\DataRetrieval\Info\Iterator;
 
use ILIAS\Tracking\View\DataRetrieval\Info\Iterator\LPInterface;
use ILIAS\Tracking\View\DataRetrieval\Info\LPInterface as LPInfoInterface;
 
class LP implements LPInterface
{
    protected int $index;
    protected array $elements;
 
    public function __construct(
        LPInfoInterface ...$elements
    ) {
        $this->index = 0;
        $this->elements = $elements;
    }
 
    public function current(): LPInfoInterface
    {
        return $this->elements[$this->index];
    }
 
    public function key(): int
    {
        return $this->index;
    }
 
    public function valid(): bool
    {
        return isset($this->elements[$this->index]);
    }
 
    public function rewind(): void
    {
        $this->index = 0;
    }
 
    public function next(): void
    {
        $this->index++;
    }
}