breadcrumb_trail

Allow developers to filter the breadcrumb trail HTML.

Description

apply_filters( 'breadcrumb_trail', (unknown) $breadcrumb, (unknown) $this_args ); 

Parameters (2)

0. $breadcrumb (unknown)
The breadcrumb.
1. $this_args (unknown)
The this args.

Usage

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

Defined (1)

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

/includes/breadcrumbs.php  
  1. $breadcrumb = apply_filters( 'breadcrumb_trail', $breadcrumb, $this->args );