apply_filters( 'nav_menu_css_class', string[] $classes, WP_Post $item, stdClass $args, int $depth )

Filters the CSS classes applied to a menu item’s list item element.

Description Description

Parameters Parameters


(string[]) Array of the CSS classes that are applied to the menu item's <li> element.


(WP_Post) The current menu item.


(stdClass) An object of wp_nav_menu() arguments.


(int) Depth of menu item. Used for padding.

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Source Source

File: wp-includes/class-walker-nav-menu.php

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Changelog Changelog

Version Description
4.1.0 The $depth parameter was added.
3.0.0 Introduced.

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User Contributed Notes User Contributed Notes

  1. Skip to note 2 content
    Contributed by Aamer Shahzad

    Apply classes to a specific menu (theme location). WordPress 4.1 or higher.

    function wpdocs_channel_nav_class( $classes, $item, $args ) {
    	if ( 'network-menu' === $args->theme_location ) {
    		$classes[] = "network-menu-item";
    	return $classes;
    add_filter( 'nav_menu_css_class' , 'wpdocs_channel_nav_class' , 10, 4 );

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