age-gate / vendor / nette / utils / src / Iterators / Mapper.php

Mapper.php in Age Gate 3.7.3, at vendor/nette/utils/src/Iterators/Mapper.php

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1	<?php
2
3	/**
4	* This file is part of the Nette Framework (https://nette.org)
5	* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
6	*/
7
8	declare(strict_types=1);
9
10	namespace Nette\Iterators;
11
12
13
14	/**
15	* Applies the callback to the elements of the inner iterator.
16	*/
17	class Mapper extends \IteratorIterator
18	{
19	/** @var callable */
20	private $callback;
21
22
23	public function __construct(\Traversable $iterator, callable $callback)
24	{
25	parent::__construct($iterator);
26	$this->callback = $callback;
27	}
28
29
30	#[\ReturnTypeWillChange]
31	public function current()
32	{
33	return ($this->callback)(parent::current(), parent::key());
34	}
35	}
36