Custom Sidebar Menu for Children - Wordpress

child-sidebar-menu-wordpress

//Create a custom sidebar piece that displays the pages/menus for us
function create_sidebar_menu_pages($current_id, $parent_id, $children_pages = null){
	$output = '';
	$output .= '<h3>';
		if(empty($children_pages)){
			$output .= 'Other Useful Links';
		} else {
			$output .= '<a href="'.get_permalink($current_id).'">'.get_the_title($parent_id).'</a>';
		}
	$output .= '</h3>';
	$output .= '<nav role="sidebar-navigation">';
	$output .= '<ul>';
	foreach($children_pages as $page){
		$output .= '<li><a href="'.get_permalink($page->ID).'"'.($page->ID==$current_id?' class="active"':'').'>'.$page->post_title.'</a>';
	}
	$output .= '</ul>';
	$output .= '</nav><!-- sidebar-navigation -->';
	return $output;
}