WP List Pages, Please help me edit this code

Using a theme called ‘Dark Classic’ at: https://www.swisshut.com/manners.

I’m using the photobook module which displays all my galleries in the themes menu toolbar. I want to restrict this using wp_list pages. Have not had any luck!

Author made this change to the wp_list_pages:

function wp_list_pages2($limit=NULL) {

	$defaults = array('depth' => 1, 'show_date' => '', 'date_format' => get_option('date_format'),
		'child_of' => 0, 'exclude' => '5,6,7,8,9', 'title_li' =>'', 'echo' => 1, 'authors' => '', 'sort_column' => 'menu_order, post_title');
	$r = array_merge((array)$defaults, (array)$r);

	$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
	$r['exclude'] = implode(',', apply_filters('wp_list_pages_excludes', explode(',', $r['exclude'])));

	// Query pages.
	$pages = get_pages($r);

	if ( !empty($pages) ) {

		for($i=0;$i<count($pages);$i++)
		{
			$output .='<div class="menu_sep">-</div><div><a href="'.get_page_link($pages[$i]->ID).'">'.$pages[$i]->post_title.'</a></div>';
			if($limit!=NULL)
			{
				break;
			}
		}
	}

	$output = apply_filters('wp_list_pages', $output);

	echo $output;
}

in the header file its then called like this:

<div id="menu_items">
    	<div><a href="<?php echo get_option('home'); ?>/">Home</a></div><?php wp_list_pages2(); ?>
    </div>

I’ve tried to add exclude tags, changing levels but never seems to show up perfect.