wp_list_categories

Filters the HTML output of a taxonomy list.

Description

apply_filters( 'wp_list_categories', (string) $output, (array) $args ); 

Parameters (2)

0. $output (string)
HTML output.
1. $args (array)
An array of taxonomy-listing arguments.

Usage

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

Defined (1)

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

/wp-includes/category-template.php  
  1. $html = apply_filters( 'wp_list_categories', $output, $args );