<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <[email protected]>
*
* 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);
}
}