JezK

Edit File: breadcrumbs.php

<?php
/**
 * Display breadcrumbs for posts, pages, archive page with the microdata that search engines understand
 *
 * @package CarListings
 */

/**
 * Breadcrumb at the header
 *
 * @param array|string $args argument for HTML output.
 */
function carlistings_breadcrumbs( $args = '' ) {
	if ( is_front_page() ) {
		return;
	}

$title = '';

if ( is_home() && ! is_front_page() ) {
		$page  = get_option( 'page_for_posts' );
		$title = get_the_title( $page );
	} elseif ( is_post_type_archive() ) {
		// If post is a custom post type.
		$query     = get_queried_object();
		$post_type = $query->name;
		if ( 'post' !== $post_type ) {
			$post_type_object = get_post_type_object( $post_type );
			$title            = $post_type_object->labels->name;
		}
	} elseif ( is_single() ) {
		$title = get_the_title();
	} elseif ( is_page() ) {
		$title = get_the_title();
	} elseif ( is_tax() || is_category() || is_tag() ) {
		$current_term = get_queried_object();
		$title = $current_term->name;
	} elseif ( is_search() ) {
		/* translators: search query */
		$title = sprintf( __( 'Search results for &quot;%s&quot;', 'carlistings' ), get_search_query() );
	} elseif ( is_404() ) {
		$title = __( 'Not found', 'carlistings' );
	} elseif ( is_author() ) {
		$author_obj = get_queried_object();
		// Queue the first post, that way we know what author we're dealing with (if that is the case).
		$title = esc_html( $author_obj->display_name );
	} elseif ( is_day() ) {
		$title = get_the_date();
	} elseif ( is_month() ) {
		$title = get_the_date( 'F Y' );
	} elseif ( is_year() ) {
		$title = get_the_date( 'Y' );
	} else {
		$title = __( 'Archives', 'carlistings' );
	} // End if().
	echo '<p class="page-title">' . wp_kses_post( $title ) . '</p>';

if ( ! shortcode_exists( 'slim_seo_breadcrumbs' ) ) {
		return;
	}
	echo do_shortcode( '[slim_seo_breadcrumbs]' );
}

/**
 * Searches for term parents' IDs of hierarchical taxonomies, including current term.
 * This function is similar to the WordPress function get_category_parents() but handles any type of taxonomy.
 * Modified from Hybrid Framework
 *
 * @param int|string    $term_id  The term ID.
 * @param object|string $taxonomy The taxonomy of the term whose parents we want.
 *
 * @return array Array of parent terms' IDs.
 */
function carlistings_get_term_parents( $term_id = '', $taxonomy = 'category' ) {
	// Set up some default arrays.
	$list = array();

// If no term ID or taxonomy is given, return an empty array.
	if ( empty( $term_id ) || empty( $taxonomy ) ) {
		return $list;
	}

do {
		$list[] = $term_id;

// Get next parent term.
		$term    = get_term( $term_id, $taxonomy );
		$term_id = $term->parent;
	} while ( $term_id );

// Reverse the array to put them in the proper order for the trail.
	$list = array_reverse( $list );
	array_pop( $list );

return $list;
}

/**
 * Gets parent posts' IDs of any post type, include current post
 * Modified from Hybrid Framework
 *
 * @param int|string $post_id ID of the post whose parents we want.
 *
 * @return array Array of parent posts' IDs.
 */
function carlistings_get_post_parents( $post_id = '' ) {
	// Set up some default array.
	$list = array();

// If no post ID is given, return an empty array.
	if ( empty( $post_id ) ) {
		return $list;
	}

do {
		$list[] = $post_id;

// Get next parent post.
		$post    = get_post( $post_id );
		$post_id = $post->post_parent;
	} while ( $post_id );

// Reverse the array to put them in the proper order for the trail.
	$list = array_reverse( $list );
	array_pop( $list );

return $list;
}