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independent-analytics / vendor / league / csv / src / MapIterator.php

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MapIterator.php

40 lines

1	<?php
2
3	/**
4	* League.Csv (https://csv.thephpleague.com)
5	*
6	* (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
7	*
8	* For the full copyright and license information, please view the LICENSE
9	* file that was distributed with this source code.
10	*/
11	declare (strict_types=1);
12	namespace IAWPSCOPED\League\Csv;
13
14	use IteratorIterator;
15	use ReturnTypeWillChange;
16	use Traversable;
17	/**
18	* Map value from an iterator before yielding.
19	*
20	* @internal used internally to modify CSV content
21	*/
22	final class MapIterator extends IteratorIterator
23	{
24	/** @var callable The callback to apply on all InnerIterator current value. */
25	private $callable;
26	public function __construct(Traversable $iterator, callable $callable)
27	{
28	parent::__construct($iterator);
29	$this->callable = $callable;
30	}
31	/**
32	* @return mixed The value of the current element.
33	*/
34	#[ReturnTypeWillChange]
35	public function current()
36	{
37	return ($this->callable)(parent::current(), parent::key());
38	}
39	}
40