This filter is applied within the bcn_breadcrumb_trail class in the display_loop() function at the beginning of the function. This filter was introduced in version 7.1. It receives one parameter:
$breadcrumbs – (array)(required) The array of bcn_breadcrumb objects that comprise the breadcrumb trail.
This filter is applied within the mtekk\adminKit\adminKit class in the opts_update() function just before saving the settings to the option entry. This filter was introduced in version 7.0. It receives one parameter:
$settings_diff – (array)(required) The array of non-default valued mtekk\adminKit\setting objects which will be saved to the option entry.
This filter allows control over the query variable Breadcrumb NavXT Paths uses to find referring terms. This filter was introduced in 1.8.0. It receives three parameters:
$use_query_var– (bool)(required) Whether or not to use the query variable specified in the second parameter for the taxonomy specified in the third parameter
$query_var– (string)(optional) The query variable Breadcrumb NavXT intends to use to find the referring term
$taxonomy – (WP_Taxonomy)(optional) The taxonomy that the query variable is being checked against for validity
This filter allows control over Breadcrumb NavXT Paths’ check of whether or not a term belong to the post that the term hierarchy is being generated for. This filter was introduced in 1.7.0. It receives four parameters:
$term_is_a_post_term– (boolean)(required) Whether or not the referrer term is a term the post has
$ref_term – (WP_Term)(optional) The referrer term
$post_id – (int)(optional) The ID of the post
$post_type – (string)(optional) The name of the post type of the post
This function provides a means of retrieving the preferred term according to Breadcrumb NavXT Paths’ view of the world. This function was introduced in 1.6.0. It receives two parameters:
$post_id– (int)(required) The ID of the post to retrieve the preferred term for
$taxonomy – (string)(required) The taxonomy to retrieve the preferred term from
This function returns the WP_Term instance for the preferred term, if found. Otherwise, it returns FALSE.
