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I am looking for a way to output all page IDs from the following menu:

<?php wp_list_pages('depth=1&exclude='3,5,11')); ?>

Only top level pages needed, therefore the 'depth=1'.

Any help appreciated.

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up vote 2 down vote accepted

wp_list_pages() is for formatted markup. Use get_pages() and wp_list_pluck():

$pages = get_pages(
    array (
        'parent'  => 0, // replaces 'depth' => 1,
        'exclude' => '3,5,11'

$ids = wp_list_pluck( $pages, 'ID' );

$ids holds an array of page IDs now.

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+1 for showing me the wp_list_pluck() function. Nice. Never knew about that one before. – GhostToast May 30 '13 at 21:16
@GhostToast Yeah, that’s really handy. :) – toscho May 30 '13 at 21:18
When I run this code, I get child pages as well as top level ones. I've checked a couple of times to confirm. get_pages is returning all pages, not just the top level pages-- the post_parent === 0 ones. – s_ha_dum May 30 '13 at 21:34
@s_ha_dum Indeed, thanks. Fixed now. – toscho May 30 '13 at 21:38

You can do this with WP_Query:

$args = array(
  'post_type' => 'page',
  'post_parent' => 0,
  'fields' => 'ids',
  'posts_per_page' => -1,
  'post__not_in' => array('3','5','11'),
$qry = new WP_Query($args);

As you can see from the var_dump, $qry->posts is an array of IDs



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