nav_menu_submenu_css_class

apply_filters('nav_menu_submenu_css_class') is found 1 times:

• /wp-includes/class-walker-nav-menu.php line 75

  		 * @param string[] $classes Array of the CSS classes that are applied to the menu `<ul>` element.
  		 * @param stdClass $args    An object of `wp_nav_menu()` arguments.
  		 * @param int      $depth   Depth of menu item. Used for padding.
  		 */
  		$class_names = implode( ' ', apply_filters( 'nav_menu_submenu_css_class', $classes, $args, $depth ) );
  
  		$atts          = array();
  		$atts['class'] = ! empty( $class_names ) ? $class_names : '';
  
  		/**
  		 * Filters the HTML attributes applied to a menu list element.
  

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