wp-includes/Requests/Utility/FilteredIterator.php

   1 <?php
   2 /**
   3  * Iterator for arrays requiring filtered values
   4  *
   5  * @package Requests
   6  * @subpackage Utilities
   7  */
   8
   9 /**
  10  * Iterator for arrays requiring filtered values
  11  *
  12  * @package Requests
  13  * @subpackage Utilities
  14  */
  15 class Requests_Utility_FilteredIterator extends ArrayIterator {
  16         /**
  17          * Callback to run as a filter
  18          *
  19          * @var callable
  20          */
  21         protected $callback;
  22
  23         /**
  24          * Create a new iterator
  25          *
  26          * @param array $data
  27          * @param callable $callback Callback to be called on each value
  28          */
  29         public function __construct($data, $callback) {
  30                 parent::__construct($data);
  31
  32                 $this->callback = $callback;
  33         }
  34
  35         /**
  36          * Get the current item's value after filtering
  37          *
  38          * @return string
  39          */
  40         public function current() {
  41                 $value = parent::current();
  42                 $value = call_user_func($this->callback, $value);
  43                 return $value;
  44         }
  45 }