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<?php |
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|
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/** |
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* This file is part of the Nette Framework (https://nette.org) |
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* Copyright (c) 2004 David Grudl (https://davidgrudl.com) |
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*/ |
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declare (strict_types=1); |
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namespace Packetery\Nette\Iterators; |
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|
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/** |
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* Applies the callback to the elements of the inner iterator. |
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*/ |
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class Mapper extends \IteratorIterator |
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{ |
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/** @var callable */ |
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private $callback; |
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public function __construct(\Traversable $iterator, callable $callback) |
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{ |
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parent::__construct($iterator); |
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$this->callback = $callback; |
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} |
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#[\ReturnTypeWillChange] |
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public function current() |
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{ |
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return ($this->callback)(parent::current(), parent::key()); |
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} |
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} |
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|
