Use the following code to create a list of categories in WordPress.
<?php //$taxonomy = 'genre'; //$orderby = 'name'; $show_count = false; $pad_counts = false; $hierarchical = true; $title = ''; $args = array( //'taxonomy' => $taxonomy, //'orderby' => $orderby, 'show_count' => $show_count, 'pad_counts' => $pad_counts, 'hierarchical' => $hierarchical, 'title_li' => $title ); ?> <nav id="menu-blog"> <ul><?php wp_list_categories( $args ); ?></ul> </nav>