add_action( 'get_template_part_tmp-user/main-before', function() {
  if ( is_search() && is_single_breadcrumbs_position_main_before() ) {
    echo breadcrumbs_search();
  }
});

add_action( 'get_template_part_tmp/list-title', function() {
  if ( is_search() && is_single_breadcrumbs_position_main_top() ) {
    echo breadcrumbs_search();
  }
});

add_action( 'get_template_part_tmp/main-scroll', function() {
  if ( is_search() && is_single_breadcrumbs_position_main_bottom() ) {
    echo breadcrumbs_search();
  }
});

add_filter( 'code_minify_call_back', function( $html ) {
  if ( is_search() && is_single_breadcrumbs_position_footer_before() ) {
    $search = '<footer id="footer"';
    $replace = breadcrumbs_search() . '<footer id="footer"';
    $html = str_replace( $search, $replace, $html );
  }

  return $html;
});

function breadcrumbs_search() {
  $class = get_additional_single_breadcrumbs_classes();
  $home_url = esc_url( get_home_url() );
  $search_query = esc_attr( get_search_query() );

return <<<EOT
<div id="breadcrumb"
    class="breadcrumb breadcrumb-search{$class}"
    itemscope
    itemtype="https://schema.org/BreadcrumbList">
  <div class="breadcrumb-home"
      itemscope
      itemtype="https://schema.org/ListItem"
      itemprop="itemListElement">
    <span class="fa fa-home fa-fw" aria-hidden="true"></span>
    <a href="{$home_url}" itemprop="item"><span itemprop="name" class="breadcrumb-caption">ホーム</span></a>
    <meta itemprop="position" content="1" />
    <span class="sp"><span class="fa fa-angle-right" aria-hidden="true"></span></span>
  </div>
  <div class="breadcrumb-item">
    <span class="fa fa-file-o fa-fw" aria-hidden="true"></span>
    <span class="breadcrumb-caption">「{$search_query}」の検索結果</span>
  </div>
</div>
EOT;
}