src/lib/Breadcrumbs.php
protected function add_tax_links()
    {
        $tax_slug = \get_query_var('taxonomy');
        $term_slug = \get_query_var('term');
        $term = \get_term_by('slug', $term_slug, $tax_slug);
        $term_id = \absint($term->term_id);
        $term_parent_id = \absint($term->parent);

        $tax_links = [];

        if ($term_parent_id) {
            while ($term_parent_id) {
                $term_parent = \get_term_by(
                    'id',
                    $term_parent_id,
                    $term->taxonomy
                );
                $tax_links[] = $this->makeLink(
                    $term_parent->name,
                    $this->getTermLink(
                        \absint($term_parent->term_id),
                        $term->taxonomy
                    )
                );
                $term_parent_id = \absint($term_parent->parent);
            }

            $this->links = \array_merge(
                $this->links,
                \array_reverse($tax_links)
            );
        }

        $this->links[] = $this->currentLink(
            $term->name,
            $this->getTermLink($term_id, $tax_slug)
        );
    }
protected function add_tax_links()
    {
        $tax_slug = \get_query_var('taxonomy');
        $term_slug = \get_query_var('term');
        $term = \get_term_by('slug', $term_slug, $tax_slug);
        $term_id = \absint($term->term_id);
        $term_parent_id = \absint($term->parent);

        $tax_links = [];

        if ($term_parent_id) {
            while ($term_parent_id) {
                $term_parent = \get_term_by(
                    'id',
                    $term_parent_id,
                    $term->taxonomy
                );
                $tax_links[] = $this->makeLink(
                    $term_parent->name,
                    $this->getTermLink(
                        \absint($term_parent->term_id),
                        $term->taxonomy
                    )
                );
                $term_parent_id = \absint($term_parent->parent);
            }

            $this->links = \array_merge(
                $this->links,
                \array_reverse($tax_links)
            );
        }

        $this->links[] = $this->currentLink(
            $term->name,
            $this->getTermLink($term_id, $tax_slug)
        );
    }
Called if $page === 'tax'