template-tag.php

<?php
function cpMenu($args = ''){
	
$include_IDs = get_post_custom_values('custom-pages');
        if (isset($include_IDs[0])){
        $include_IDs = $include_IDs[0];
        }else{ $include_IDs = 'None'; }
	
$defaults = array(
		'depth' => 0, 'show_date' => '',
		'date_format' => get_option('date_format'),
		'child_of' => 0, 'exclude' => '',
		'title_li' => __('Pages'), 'echo' => 1,
		'authors' => '', 'sort_column' => 'menu_order, post_title',
		'link_before' => '', 'link_after' => '', 'walker' => '',
		'include' => $include_IDs
	);

	$r = wp_parse_args( $args, $defaults );
	extract( $r, EXTR_SKIP );

	$output = '';
	$current_page = 0;

	// sanitize, mostly to keep spaces out
	$r['exclude'] = preg_replace('/[^0-9,]/', '', $r['exclude']);

	// Allow plugins to filter an array of excluded pages (but don't put a nullstring into the array)
	$exclude_array = ( $r['exclude'] ) ? explode(',', $r['exclude']) : array();
	$r['exclude'] = implode( ',', apply_filters('wp_list_pages_excludes', $exclude_array) );

	// Query pages.
	$r['hierarchical'] = 0;
	$pages = get_pages($r);

	if ( !empty($pages) ) {
		if ( $r['title_li'] )
			$output .= '<li class="pagenav">' . $r['title_li'] . '<ul>';

		global $wp_query;
		if ( is_page() || is_attachment() || $wp_query->is_posts_page )
			$current_page = $wp_query->get_queried_object_id();
		$output .= walk_page_tree($pages, $r['depth'], $current_page, $r);

		if ( $r['title_li'] )
			$output .= '</ul></li>';
	}

	$output = apply_filters('wp_list_pages', $output, $r);
if ($include_IDs){
	if ( $r['echo'] )
		echo $output;
	else
		return $output;
}else{
	return false;
}    
}