public function _display_breadcrumb()
 {
     if (function_exists('hw_display_breadcrumb')) {
         echo '<div class="content_breadcrumb breadcrumbs">';
         hw_display_breadcrumb();
         echo '</div>';
     }
 }
 /**
  * display breadcrumb with hook
  */
 public function _show_breadcrumb_hook()
 {
     #hw_display_breadcrumb();
     if (function_exists('hw_display_breadcrumb')) {
         echo '<div class="hw-breadcrumb breadcrumbs">';
         hw_display_breadcrumb();
         echo '</div>';
     } else {
         echo __('Vui lòng kích hoạt plugin hw-breadcrumb');
     }
 }