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Add breadcrumbs to your WordPress theme
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<?php | |
/* ---------------------------------------------------------------------------- | |
* Add breadcrumbs to your theme | |
* ------------------------------------------------------------------------- */ | |
function simple_breadcrumbs() { | |
/* === OPTIONS === */ | |
$text['home'] = 'Home'; // text for the 'Home' link | |
$text['category'] = 'Archive by Category "%s"'; // text for a category page | |
$text['search'] = 'Search Results for "%s" Query'; // text for a search results page | |
$text['tag'] = 'Posts Tagged "%s"'; // text for a tag page | |
$text['author'] = 'Articles Posted by %s'; // text for an author page | |
$text['404'] = 'Error 404'; // text for the 404 page | |
$show_current = 1; // 1 - show current post/page/category title in breadcrumbs, 0 - don't show | |
$show_on_home = 0; // 1 - show breadcrumbs on the homepage, 0 - don't show | |
$show_home_link = 1; // 1 - show the 'Home' link, 0 - don't show | |
$show_title = 1; // 1 - show the title for the links, 0 - don't show | |
$delimiter = ' » '; // delimiter between crumbs | |
$before = '<span class="current">'; // tag before the current crumb | |
$after = '</span>'; // tag after the current crumb | |
/* === END OF OPTIONS === */ | |
global $post; | |
$home_link = home_url('/'); | |
$link_before = '<span typeof="v:Breadcrumb">'; | |
$link_after = '</span>'; | |
$link_attr = ' rel="v:url" property="v:title"'; | |
$link = $link_before . '<a' . $link_attr . ' href="%1$s">%2$s</a>' . $link_after; | |
$parent_id = $parent_id_2 = $post->post_parent; | |
$frontpage_id = get_option('page_on_front'); | |
if (is_home() || is_front_page()) { | |
if ($show_on_home == 1) echo '<div class="breadcrumbs"><a href="' . $home_link . '">' . $text['home'] . '</a></div>'; | |
} else { | |
echo '<div class="breadcrumbs" xmlns:v="http://rdf.data-vocabulary.org/#">'; | |
if ($show_home_link == 1) { | |
echo '<a href="' . $home_link . '" rel="v:url" property="v:title">' . $text['home'] . '</a>'; | |
if ($frontpage_id == 0 || $parent_id != $frontpage_id) echo $delimiter; | |
} | |
if ( is_category() ) { | |
$this_cat = get_category(get_query_var('cat'), false); | |
if ($this_cat->parent != 0) { | |
$cats = get_category_parents($this_cat->parent, TRUE, $delimiter); | |
if ($show_current == 0) $cats = preg_replace("#^(.+)$delimiter$#", "$1", $cats); | |
$cats = str_replace('<a', $link_before . '<a' . $link_attr, $cats); | |
$cats = str_replace('</a>', '</a>' . $link_after, $cats); | |
if ($show_title == 0) $cats = preg_replace('/ title="(.*?)"/', '', $cats); | |
echo $cats; | |
} | |
if ($show_current == 1) echo $before . sprintf($text['category'], single_cat_title('', false)) . $after; | |
} elseif ( is_search() ) { | |
echo $before . sprintf($text['search'], get_search_query()) . $after; | |
} elseif ( is_day() ) { | |
echo sprintf($link, get_year_link(get_the_time('Y')), get_the_time('Y')) . $delimiter; | |
echo sprintf($link, get_month_link(get_the_time('Y'),get_the_time('m')), get_the_time('F')) . $delimiter; | |
echo $before . get_the_time('d') . $after; | |
} elseif ( is_month() ) { | |
echo sprintf($link, get_year_link(get_the_time('Y')), get_the_time('Y')) . $delimiter; | |
echo $before . get_the_time('F') . $after; | |
} elseif ( is_year() ) { | |
echo $before . get_the_time('Y') . $after; | |
} elseif ( is_single() && !is_attachment() ) { | |
if ( get_post_type() != 'post' ) { | |
$post_type = get_post_type_object(get_post_type()); | |
$slug = $post_type->rewrite; | |
printf($link, $home_link . '/' . $slug['slug'] . '/', $post_type->labels->singular_name); | |
if ($show_current == 1) echo $delimiter . $before . get_the_title() . $after; | |
} else { | |
$cat = get_the_category(); $cat = $cat[0]; | |
$cats = get_category_parents($cat, TRUE, $delimiter); | |
if ($show_current == 0) $cats = preg_replace("#^(.+)$delimiter$#", "$1", $cats); | |
$cats = str_replace('<a', $link_before . '<a' . $link_attr, $cats); | |
$cats = str_replace('</a>', '</a>' . $link_after, $cats); | |
if ($show_title == 0) $cats = preg_replace('/ title="(.*?)"/', '', $cats); | |
echo $cats; | |
if ($show_current == 1) echo $before . get_the_title() . $after; | |
} | |
} elseif ( !is_single() && !is_page() && get_post_type() != 'post' && !is_404() ) { | |
$post_type = get_post_type_object(get_post_type()); | |
echo $before . $post_type->labels->singular_name . $after; | |
} elseif ( is_attachment() ) { | |
$parent = get_post($parent_id); | |
$cat = get_the_category($parent->ID); $cat = $cat[0]; | |
$cats = get_category_parents($cat, TRUE, $delimiter); | |
$cats = str_replace('<a', $link_before . '<a' . $link_attr, $cats); | |
$cats = str_replace('</a>', '</a>' . $link_after, $cats); | |
if ($show_title == 0) $cats = preg_replace('/ title="(.*?)"/', '', $cats); | |
echo $cats; | |
printf($link, get_permalink($parent), $parent->post_title); | |
if ($show_current == 1) echo $delimiter . $before . get_the_title() . $after; | |
} elseif ( is_page() && !$parent_id ) { | |
if ($show_current == 1) echo $before . get_the_title() . $after; | |
} elseif ( is_page() && $parent_id ) { | |
if ($parent_id != $frontpage_id) { | |
$breadcrumbs = array(); | |
while ($parent_id) { | |
$page = get_page($parent_id); | |
if ($parent_id != $frontpage_id) { | |
$breadcrumbs[] = sprintf($link, get_permalink($page->ID), get_the_title($page->ID)); | |
} | |
$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 $delimiter; | |
} | |
} | |
if ($show_current == 1) { | |
if ($show_home_link == 1 || ($parent_id_2 != 0 && $parent_id_2 != $frontpage_id)) echo $delimiter; | |
echo $before . get_the_title() . $after; | |
} | |
} elseif ( is_tag() ) { | |
echo $before . sprintf($text['tag'], single_tag_title('', false)) . $after; | |
} elseif ( is_author() ) { | |
global $author; | |
$userdata = get_userdata($author); | |
echo $before . sprintf($text['author'], $userdata->display_name) . $after; | |
} elseif ( is_404() ) { | |
echo $before . $text['404'] . $after; | |
} | |
if ( get_query_var('paged') ) { | |
if ( is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author() ) echo ' ('; | |
echo __('> Page') . ' ' . get_query_var('paged'); | |
if ( is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author() ) echo ')'; | |
} | |
echo '</div><!-- .breadcrumbs -->'; | |
} | |
} // end simple_breadcrumbs() | |
?> | |
<?php | |
// Insert this where you want it to appear in your template: | |
if (function_exists('simple_breadcrumbs')) simple_breadcrumbs(); | |
?> |
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