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<?php
/**
* Iterator for arrays requiring filtered values
*
* @package Requests
* @subpackage Utilities
*/
/**
* Iterator for arrays requiring filtered values
*
* @package Requests
* @subpackage Utilities
*/
class Requests_Utility_FilteredIterator extends ArrayIterator {
/**
* Callback to run as a filter
*
* @var callable
*/
protected $callback;
/**
* Create a new iterator
*
* @param array $data
* @param callable $callback Callback to be called on each value
*/
public function __construct($data, $callback) {
parent::__construct($data);
$this->callback = $callback;
}
/**
* Get the current item's value after filtering
*
* @return string
*/
public function current() {
$value = parent::current();
$value = call_user_func($this->callback, $value);
return $value;
}
}