list wp page eg. sitemap

gistfile1.php

<?php
$parent = "PARENT_PAGE_ID";
$args = array(
  'depth'        => 0,
  'show_date'    => '',
  'date_format'  => get_option('date_format'),
  'child_of'     => $parent,
  'exclude'      => '',
  'include'      => '',
  'title_li'     => __(''),
  'echo'         => 1,
  'authors'      => '',
  'sort_column'  => 'menu_order, post_title',
  'link_before'  => '',
  'link_after'   => '',
  'walker'       => '',
  'post_type'    => 'page',
  'post_status'  => 'publish'
);
$pages = get_pages($args);

foreach ($pages as $page) {
  echo "<a href=\"" . get_page_link($page->ID) . "\">" . $page->post_title . "</a><br/>";
}
?>