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Edit File: CallbackFilterIterator.php

<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ class CallbackFilterIterator extends FilterIterator { private $iterator; private $callback; public function __construct(Iterator $iterator, $callback) { $this->iterator = $iterator; $this->callback = $callback; parent::__construct($iterator); } public function accept() { return call_user_func($this->callback, $this->current(), $this->key(), $this->iterator); } }