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