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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.

Contents

Description
Related
- Used By
User Contributed Notes

Description Description

Parameters Parameters

$classes: (string[]) Array of the CSS classes that are applied to the menu item's <li> element.
$item: (WP_Post) The current menu item.
$args: (stdClass) An object of wp_nav_menu() arguments.
$depth: (int) Depth of menu item. Used for padding.

Source Source

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

Changelog Changelog

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

Used By Used By

Used By
Used By	Description
wp-includes/class-walker-nav-menu.php: Walker_Nav_Menu::start_el()	Starts the element output.

User Contributed Notes User Contributed Notes

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Contributed by Shah Alom — 2 years ago
Basic Usage:
```
<?php 
function filter_handler( $classes, $item, $args, $depth ) { ...... }

add_filter( 'nav_menu_css_class', 'filter_handler', 10, 4 ); 
?>
```
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Contributed by Aamer Shahzad — 1 year ago
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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