<?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() {
$value = parent::current();
if (is_callable($this->callback)) {
$value = call_user_func($this->callback, $value);
}
return $value;
}
/**
* @inheritdoc
*/
public function unserialize($serialized) {}
/**
* @inheritdoc
*
* @phpcs:disable PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.MethodDoubleUnderscore,PHPCompatibility.FunctionNameRestrictions.NewMagicMethods.__unserializeFound
*/
public function __unserialize($serialized) {}
public function __wakeup() {
unset($this->callback);
}
}