<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Finder\Iterator;
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/**
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* CustomFilterIterator filters files by applying anonymous functions.
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*
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* The anonymous function receives a \SplFileInfo and must return false
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* to remove files.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class CustomFilterIterator extends \FilterIterator
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{
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private $filters = [];
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/**
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* @param \Iterator $iterator The Iterator to filter
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* @param callable[] $filters An array of PHP callbacks
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*
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* @throws \InvalidArgumentException
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*/
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public function __construct(\Iterator $iterator, array $filters)
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{
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foreach ($filters as $filter) {
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if (!\is_callable($filter)) {
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throw new \InvalidArgumentException('Invalid PHP callback.');
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}
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}
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$this->filters = $filters;
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parent::__construct($iterator);
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}
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/**
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* Filters the iterator values.
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*
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* @return bool true if the value should be kept, false otherwise
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*/
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#[\ReturnTypeWillChange]
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public function accept()
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{
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$fileinfo = $this->current();
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foreach ($this->filters as $filter) {
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if (false === $filter($fileinfo)) {
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return false;
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}
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}
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return true;
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}
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}
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