nav_menu_css_class

Filters the CSS class(es) applied to a menu item's list item element.

Description

apply_filters( 'nav_menu_css_class', (array) $array, (unknown) $item, (unknown) $args ); 

Parameters (3)

0. $array (array) => array_filter($classes)
The array.
1. $item (unknown)
The item.
2. $args (unknown)
The args.

Usage

To run the hook, copy the example below.
  1. $array = apply_filters( 'nav_menu_css_class', $array, $item, $args ); 
  2.  
  3. if ( !empty( $array ) ) { 
  4.  
  5. // everything has led up to this point... 
  6.  
  7.  
The following example is for adding a hook callback.
  1. // define the nav_menu_css_class callback 
  2. function filter_nav_menu_css_class( $array, $item, $args ) { 
  3. // make filter magic happen here... 
  4. return $array
  5. }; 
  6.  
  7. // add the filter 
  8. add_filter( 'nav_menu_css_class', 'filter_nav_menu_css_class', 10, 3 ); 
To remove a hook callback, use the example below.
  1. // remove the filter 
  2. remove_filter( 'nav_menu_css_class', 'filter_nav_menu_css_class', 10, 3 ); 

Defined (1)

The filter is defined in the following location(s).

/library/functions/basic-functions.php  
  1. $class_names = join(' ', apply_filters('nav_menu_css_class', array_filter($classes), $item, $args));