去掉'分類','標籤'字樣

/**
 * 去掉'分類','標籤'字樣
 * Author: w
 * Date :2019.03.01
 */
add_filter( 'get_the_archive_title', function ( $title ) {
   if( is_category() ) {
      $title = single_cat_title( '', false );
   }elseif ( is_tag() ) {
      $title = single_tag_title('', false);
   }elseif ( is_tax() ) {
        $title = single_term_title('',false);
    }

   return $title;
});