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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; } }