<?php defined("SYSPATH") or die("No direct script access.");
/**
 * Gallery - a web based photo album viewer and editor
 * Copyright (C) 2000-2012 Bharat Mediratta
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
 */
class Tag_Albums_Children_Core implements Iterator {
  public $array = Array();
  private $position = 0;
  
  public function __construct($children) {
    $this->position = 0;
    $this->array = $children;
  }

  function rewind() {
    $this->position = 0;
  }

  function current() {
    return $this->array[$this->position];
  }

  function key() {
    return $this->position;
  }

  function next() {
    ++$this->position;
  }

  function valid() {
    return isset($this->array[$this->position]);
  }
}