Faceted Search Page Title

faceted-search-page-title.php

<?php
/**
 * Replaces default template title with faceted search "breadcrumbs" describing the instant query
 * @author Benjamin J. Balter
 * @package Faceted_Search_Widget
 */

//function to be placed in theme's functions.php file...
function faceted_search_page_title( ) {

	global $wp_query;

	$output = array();

	foreach ( $wp_query->query as $key=>$value ) {

		if ( $key == 'post_type' )
			continue;

		foreach ( explode('+', $value ) as $search) {

			$tax = get_taxonomy( $key ); 
			$term = get_term_by('slug', $search, $tax->name);
			$link = $tax->labels->singular_name . ': ' . $term->name;			
			$link .= ' <a class="remove_faceted_search" id="remove_{$tax->name}" href="' . esc_url( remove_query_arg( $tax->query_var ) ) . '">remove</a>';
			$output[] = $link;

		}
	}

	return implode(', <Br />', $output);	
}

//in your themes taxonomy.php file (or other template file)...
//note: if child theme, copy template from parent theme to child and modify

//change the page's default title function (most likely something like...)
<h1 class="page-title"><?php printf( __( 'Category Archives: %s', 'twentyeleven' ), '<span>' . single_cat_title( '', false ) . '</span>' ); ?></h1>

//To
<h1 class="page-title"><?php
	if ( function_exists( 'faceted_search_page_title' ) ) 
		echo faceted_search_page_title();
	else 
		printf( __( 'Category Archives: %s', 'twentyeleven' ), '<span>' . single_cat_title( '', false ) . '</span>' );	
?></h1>