term_id ) ) ? (int) $term->term_id : 0;
$categories = get_categories( array(
'taxonomy' => 'category', // Taxonomy to retrieve terms for. We want 'category'. Note that this parameter is default to 'category', so you can omit it
'orderby' => 'name',
'parent' => 0,
'hide_empty' => 0, // change to 1 to hide categores not having a single post
) );
?>