Filters the HTML attributes applied to a menu’s list item element.

Parameters

$li_attsarray

The HTML attributes applied to the menu item’s <li> element, empty strings are ignored.

• class string
  HTML CSS class attribute.
• id string
  HTML id attribute.

$menu_itemWP_Post

The current menu item object.

$argsstdClass

An object of wp_nav_menu() arguments.

More Arguments from wp_nav_menu( … $args )

Array of nav menu arguments.

• menu int|string|WP_Term
  Desired menu. Accepts a menu ID, slug, name, or object.
  
• menu_class string
  CSS class to use for the ul element which forms the menu.
  Default 'menu'.
• menu_id string
  The ID that is applied to the ul element which forms the menu.
  Default is the menu slug, incremented.
• container string
  Whether to wrap the ul, and what to wrap it with.
  Default 'div'.
• container_class string
  Class that is applied to the container.
  Default ‘menu-{menu slug}-container’.
• container_id string
  The ID that is applied to the container.
• container_aria_label string
  The aria-label attribute that is applied to the container when it’s a nav element.
• fallback_cb callable|false
  If the menu doesn’t exist, a callback function will fire.
  Default is 'wp_page_menu'. Set to false for no fallback.
• before string
  Text before the link markup.
• after string
  Text after the link markup.
• link_before string
  Text before the link text.
• link_after string
  Text after the link text.
• echo bool
  Whether to echo the menu or return it. Default true.
• depth int
  How many levels of the hierarchy are to be included.
  0 means all. Default 0.
  Default 0.
• walker object
  Instance of a custom walker class.
• theme_location string
  Theme location to be used. Must be registered with register_nav_menu() in order to be selectable by the user.
• items_wrap string
  How the list items should be wrapped. Uses printf() format with numbered placeholders. Default is a ul with an id and class.
• item_spacing string
  Whether to preserve whitespace within the menu’s HTML.
  Accepts 'preserve' or 'discard'. Default 'preserve'.

$depthint

Depth of menu item. Used for padding.

Source

$li_atts       = apply_filters( 'nav_menu_item_attributes', $li_atts, $menu_item, $args, $depth );

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