Current File : //opt/alt/php55/usr/share/pear/Symfony/Component/Finder/Iterator/CustomFilterIterator.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.
*/
namespace Symfony\Component\Finder\Iterator;
/**
* CustomFilterIterator filters files by applying anonymous functions.
*
* The anonymous function receives a \SplFileInfo and must return false
* to remove files.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class CustomFilterIterator extends FilterIterator
{
private $filters = array();
/**
* Constructor.
*
* @param \Iterator $iterator The Iterator to filter
* @param array $filters An array of PHP callbacks
*
* @throws \InvalidArgumentException
*/
public function __construct(\Iterator $iterator, array $filters)
{
foreach ($filters as $filter) {
if (!is_callable($filter)) {
throw new \InvalidArgumentException('Invalid PHP callback.');
}
}
$this->filters = $filters;
parent::__construct($iterator);
}
/**
* Filters the iterator values.
*
* @return Boolean true if the value should be kept, false otherwise
*/
public function accept()
{
$fileinfo = $this->current();
foreach ($this->filters as $filter) {
if (false === call_user_func($filter, $fileinfo)) {
return false;
}
}
return true;
}
}
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