'; } } add_action( 'wp_head', 'azonbooster_pingback_header' ); /** * Retrieve list of category array. * * @since 1.2.0 * @return array */ function azonbooster_category_list( $args = array(), $is_all = true ) { $categories = get_categories( $args ); $output_categories = array(); if ( $is_all ) { $output_categories[0] = __('All Categories', 'azonbooster'); } foreach($categories as $category) { $output_categories[$category->cat_ID] = $category->cat_name; } return $output_categories; }