Custom Breadcurms without plugin in wordpress

/* Custom Breadcurms  */
//wordpress custom breadcrumbs without plugin
// start ft_custom_breadcrumb
function ft_custom_breadcrumbs(array $options = array() ) {

// default values assigned to options
$options = array_merge(array(
        'crumbId' => 'nav_crumb', // id for the breadcrumb Div
'crumbClass' => 'nav_crumb', // class for the breadcrumb Div

'showOnHome' => 1,// 1 - show breadcrumbs on the homepage, 0 - don't show
'delimiter' => ' > ', // delimiter between crumbs
'homePageText' => 'Home', // text for the 'Home' link
'showCurrent' => 1, // 1 - show current post/page title in breadcrumbs, 0 - don't show
'beforeTag' => '<span class="current">', // tag before the current breadcrumb
'afterTag' => '</span>', // tag after the current crumb
'showTitle'=> 1 // showing post/page title or slug if title to show then 1
   ), $options);
 
   $crumbId = $options['crumbId'];
$crumbClass = $options['crumbClass'];
$beginningText = $options['beginningText'] ;
$showOnHome = $options['showOnHome'];
$delimiter = $options['delimiter'];
$homePageText = $options['homePageText'];
$showCurrent = $options['showCurrent'];
$beforeTag = $options['beforeTag'];
$afterTag = $options['afterTag'];
$showTitle =  $options['showTitle'];

global $post;

$wp_query = $GLOBALS['wp_query'];

$homeLink = get_bloginfo('url');

echo '<div id="'.$crumbId.'" class="'.$crumbClass.'" >'.$beginningText;

if (is_home() || is_front_page()) {

  if ($showOnHome == 1)

  echo $beforeTag . $homePageText . $afterTag;

} else {

  echo '<a href="' . $homeLink . '">' . $homePageText . '</a> ' . $delimiter . ' ';

  if ( is_category() ) {
$thisCat = get_category(get_query_var('cat'), false);
if ($thisCat->parent != 0) echo get_category_parents($thisCat->parent, TRUE, ' ' . $delimiter . ' ');
echo $beforeTag . 'Archive by category "' . single_cat_title('', false) . '"' . $afterTag;

  } elseif ( is_tax() ) {
  $term = get_term_by( 'slug', get_query_var( 'term' ), get_query_var( 'taxonomy' ) );
  $parents = array();
  $parent = $term->parent;
  while ( $parent ) {
  $parents[] = $parent;
  $new_parent = get_term_by( 'id', $parent, get_query_var( 'taxonomy' ) );
  $parent = $new_parent->parent;

  }  
  if ( ! empty( $parents ) ) {
  $parents = array_reverse( $parents );
  foreach ( $parents as $parent ) {
  $item = get_term_by( 'id', $parent, get_query_var( 'taxonomy' ));
  echo   '<a href="' . get_term_link( $item->slug, get_query_var( 'taxonomy' ) ) . '">' . $item->name . '</a>'  . $delimiter;
  }
  }

  $queried_object = $wp_query->get_queried_object();
  echo $beforeTag . $queried_object->name . $afterTag;  
  } elseif ( is_search() ) {
echo $beforeTag . 'Search results for "' . get_search_query() . '"' . $afterTag;

  } elseif ( is_day() ) {
echo '<a href="' . get_year_link(get_the_time('Y')) . '">' . get_the_time('Y') . '</a> ' . $delimiter . ' ';
echo '<a href="' . get_month_link(get_the_time('Y'),get_the_time('m')) . '">' . get_the_time('F') . '</a> ' . $delimiter . ' ';
echo $beforeTag . get_the_time('d') . $afterTag;

  } elseif ( is_month() ) {
echo '<a href="' . get_year_link(get_the_time('Y')) . '">' . get_the_time('Y') . '</a> ' . $delimiter . ' ';
echo $beforeTag . get_the_time('F') . $afterTag;

  } elseif ( is_year() ) {
echo $beforeTag . get_the_time('Y') . $afterTag;

  } elseif ( is_single() && !is_attachment() ) {
 
     if($showTitle)
   $title = get_the_title();
  else
  $title =  $post->post_name;
 
if ( get_post_type() == 'product' ) { // it is for custom post type with custome taxonomies like
//Breadcrumb would be : Home Furnishings > Bed Covers > Cotton Quilt King Kantha Bedspread
// product = Cotton Quilt King Kantha Bedspread, custom taxonomy product_cat (Home Furnishings -> Bed Covers)
// show  product with category on single page
  if ( $terms = wp_get_object_terms( $post->ID, 'product_cat' ) ) {

  $term = current( $terms );

  $parents = array();

  $parent = $term->parent;
  while ( $parent ) {

  $parents[] = $parent;

  $new_parent = get_term_by( 'id', $parent, 'product_cat' );

  $parent = $new_parent->parent;

  }
  if ( ! empty( $parents ) ) {

  $parents = array_reverse($parents);

  foreach ( $parents as $parent ) {

  $item = get_term_by( 'id', $parent, 'product_cat');

  echo  '<a href="' . get_term_link( $item->slug, 'product_cat' ) . '">' . $item->name . '</a>'  . $delimiter;

  }

  }
  echo  '<a href="' . get_term_link( $term->slug, 'product_cat' ) . '">' . $term->name . '</a>'  . $delimiter;
  }
  echo $beforeTag . $title . $afterTag;
  }  elseif ( get_post_type() != 'post' ) {
  $post_type = get_post_type_object(get_post_type());
  $slug = $post_type->rewrite;
  echo '<a href="' . $homeLink . '/' . $slug['slug'] . '/">' . $post_type->labels->singular_name . '</a>';
  if ($showCurrent == 1) echo ' ' . $delimiter . ' ' . $beforeTag . $title . $afterTag;
} else {
  $cat = get_the_category(); $cat = $cat[0];
  $cats = get_category_parents($cat, TRUE, ' ' . $delimiter . ' ');
  if ($showCurrent == 0) $cats = preg_replace("#^(.+)\s$delimiter\s$#", "$1", $cats);
  echo $cats;
  if ($showCurrent == 1) echo $beforeTag . $title . $afterTag;

}

  } elseif ( !is_single() && !is_page() && get_post_type() != 'post' && !is_404() ) {
 
$post_type = get_post_type_object(get_post_type());

echo $beforeTag . $post_type->labels->singular_name . $afterTag;

} elseif ( is_attachment() ) {

$parent = get_post($post->post_parent);
$cat = get_the_category($parent->ID); $cat = $cat[0];
echo get_category_parents($cat, TRUE, ' ' . $delimiter . ' ');
echo '<a href="' . get_permalink($parent) . '">' . $parent->post_title . '</a>';
if ($showCurrent == 1) echo ' ' . $delimiter . ' ' . $beforeTag . get_the_title() . $afterTag;
 
} elseif ( is_page() && !$post->post_parent ) {
$title =($showTitle)? get_the_title():$post->post_name;
 
if ($showCurrent == 1) echo $beforeTag .  $title . $afterTag;

  } elseif ( is_page() && $post->post_parent ) {
$parent_id  = $post->post_parent;
$breadcrumbs = array();
while ($parent_id) {
  $page = get_page($parent_id);
  $breadcrumbs[] = '<a href="' . get_permalink($page->ID) . '">' . get_the_title($page->ID) . '</a>';
  $parent_id  = $page->post_parent;
}
$breadcrumbs = array_reverse($breadcrumbs);
for ($i = 0; $i < count($breadcrumbs); $i++) {
  echo $breadcrumbs[$i];
  if ($i != count($breadcrumbs)-1) echo ' ' . $delimiter . ' ';
}
$title =($showTitle)? get_the_title():$post->post_name;
 
if ($showCurrent == 1) echo ' ' . $delimiter . ' ' . $beforeTag . $title . $afterTag;

  } elseif ( is_tag() ) {

echo $beforeTag . 'Posts tagged "' . single_tag_title('', false) . '"' . $afterTag;

  } elseif ( is_author() ) {
global $author;
$userdata = get_userdata($author);

echo $beforeTag . 'Articles posted by ' . $userdata->display_name . $afterTag;

  } elseif ( is_404() ) {
 
echo $beforeTag . 'Error 404' . $afterTag;

  }

  if ( get_query_var('paged') ) {
if ( is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author() || is_tax() ) echo ' (';
echo __('Page') . ' ' . get_query_var('paged');
if ( is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author() || is_tax() ) echo ')';
  }
}
echo '</div>';
  }
// end ft_custom_breadcrumb

 <?php if (function_exists('ft_custom_breadcrumbs')) {
    ft_custom_breadcrumbs();
} ?>

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