FL Taxonomie Thema

// Register Custom Taxonomy
function topic() {

	$labels = array(
		'name'                       => 'Themen',
		'singular_name'              => 'Thema',
		'menu_name'                  => 'Themen',
		'all_items'                  => 'Alle Themen',
		'parent_item'                => '',
		'parent_item_colon'          => '',
		'new_item_name'              => 'Neues Thema',
		'add_new_item'               => 'Neues Thema hinzufügen',
		'edit_item'                  => 'Thema bearbeiten',
		'update_item'                => 'Thema aktualisieren',
		'view_item'                  => 'Thema anzeigen',
		'separate_items_with_commas' => 'Themen durch Kommas trennen',
		'add_or_remove_items'        => 'Themen hinzufügen oder entfernen',
		'choose_from_most_used'      => 'Aus den meistgewählten Themen wählen',
		'popular_items'              => 'Beliebte Themen',
		'search_items'               => 'Themen suchen',
		'not_found'                  => 'Thema nicht gefunden',
		'no_terms'                   => 'keine Themen',
		'items_list'                 => 'Themenliste',
		'items_list_navigation'      => 'Themenliste Navigation',
	);
	$rewrite = array(
		'slug'                       => 'thema',
		'with_front'                 => true,
		'hierarchical'               => false,
	);
	$args = array(
		'labels'                     => $labels,
		'hierarchical'               => false,
		'public'                     => true,
		'show_ui'                    => true,
		'show_admin_column'          => true,
		'show_in_nav_menus'          => true,
		'show_tagcloud'              => true,
		'rewrite'                    => $rewrite,
	);
	register_taxonomy( 'topic', array( 'idea' ), $args );

}
add_action( 'init', 'topic', 0 );