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WordPress Breadcrumbs Without a Plugin - http://dimox.net/wordpress-breadcrumbs-without-a-plugin/
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<?php | |
/* | |
* WordPress Breadcrumbs | |
* author: Dimox | |
* version: 2015.09.14 | |
* license: MIT | |
*/ | |
function dimox_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 | |
$text['page'] = 'Page %s'; // text 'Page N' | |
$text['cpage'] = 'Comment Page %s'; // text 'Comment Page N' | |
$wrap_before = '<div class="breadcrumbs">'; // the opening wrapper tag | |
$wrap_after = '</div><!-- .breadcrumbs -->'; // the closing wrapper tag | |
$sep = '›'; // separator between crumbs | |
$sep_before = '<span class="sep">'; // tag before separator | |
$sep_after = '</span>'; // tag after separator | |
$show_home_link = 1; // 1 - show the 'Home' link, 0 - don't show | |
$show_on_home = 0; // 1 - show breadcrumbs on the homepage, 0 - don't show | |
$show_current = 1; // 1 - show current page title, 0 - don't show | |
$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 itemscope itemtype="http://data-vocabulary.org/Breadcrumb">'; | |
$link_after = '</span>'; | |
$link_attr = ' itemprop="url"'; | |
$link_in_before = '<span itemprop="title">'; | |
$link_in_after = '</span>'; | |
$link = $link_before . '<a href="%1$s"' . $link_attr . '>' . $link_in_before . '%2$s' . $link_in_after . '</a>' . $link_after; | |
$frontpage_id = get_option('page_on_front'); | |
$parent_id = $post->post_parent; | |
$sep = ' ' . $sep_before . $sep . $sep_after . ' '; | |
if (is_home() || is_front_page()) { | |
if ($show_on_home) echo $wrap_before . '<a href="' . $home_link . '">' . $text['home'] . '</a>' . $wrap_after; | |
} else { | |
echo $wrap_before; | |
if ($show_home_link) echo sprintf($link, $home_link, $text['home']); | |
if ( is_category() ) { | |
$cat = get_category(get_query_var('cat'), false); | |
if ($cat->parent != 0) { | |
$cats = get_category_parents($cat->parent, TRUE, $sep); | |
$cats = preg_replace("#^(.+)$sep$#", "$1", $cats); | |
$cats = preg_replace('#<a([^>]+)>([^<]+)<\/a>#', $link_before . '<a$1' . $link_attr .'>' . $link_in_before . '$2' . $link_in_after .'</a>' . $link_after, $cats); | |
if ($show_home_link) echo $sep; | |
echo $cats; | |
} | |
if ( get_query_var('paged') ) { | |
$cat = $cat->cat_ID; | |
echo $sep . sprintf($link, get_category_link($cat), get_cat_name($cat)) . $sep . $before . sprintf($text['page'], get_query_var('paged')) . $after; | |
} else { | |
if ($show_current) echo $sep . $before . sprintf($text['category'], single_cat_title('', false)) . $after; | |
} | |
} elseif ( is_search() ) { | |
if (have_posts()) { | |
if ($show_home_link && $show_current) echo $sep; | |
if ($show_current) echo $before . sprintf($text['search'], get_search_query()) . $after; | |
} else { | |
if ($show_home_link) echo $sep; | |
echo $before . sprintf($text['search'], get_search_query()) . $after; | |
} | |
} elseif ( is_day() ) { | |
if ($show_home_link) echo $sep; | |
echo sprintf($link, get_year_link(get_the_time('Y')), get_the_time('Y')) . $sep; | |
echo sprintf($link, get_month_link(get_the_time('Y'), get_the_time('m')), get_the_time('F')); | |
if ($show_current) echo $sep . $before . get_the_time('d') . $after; | |
} elseif ( is_month() ) { | |
if ($show_home_link) echo $sep; | |
echo sprintf($link, get_year_link(get_the_time('Y')), get_the_time('Y')); | |
if ($show_current) echo $sep . $before . get_the_time('F') . $after; | |
} elseif ( is_year() ) { | |
if ($show_home_link && $show_current) echo $sep; | |
if ($show_current) echo $before . get_the_time('Y') . $after; | |
} elseif ( is_single() && !is_attachment() ) { | |
if ($show_home_link) echo $sep; | |
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) echo $sep . $before . get_the_title() . $after; | |
} else { | |
$cat = get_the_category(); $cat = $cat[0]; | |
$cats = get_category_parents($cat, TRUE, $sep); | |
if (!$show_current || get_query_var('cpage')) $cats = preg_replace("#^(.+)$sep$#", "$1", $cats); | |
$cats = preg_replace('#<a([^>]+)>([^<]+)<\/a>#', $link_before . '<a$1' . $link_attr .'>' . $link_in_before . '$2' . $link_in_after .'</a>' . $link_after, $cats); | |
echo $cats; | |
if ( get_query_var('cpage') ) { | |
echo $sep . sprintf($link, get_permalink(), get_the_title()) . $sep . $before . sprintf($text['cpage'], get_query_var('cpage')) . $after; | |
} else { | |
if ($show_current) echo $before . get_the_title() . $after; | |
} | |
} | |
// custom post type | |
} elseif ( !is_single() && !is_page() && get_post_type() != 'post' && !is_404() ) { | |
$post_type = get_post_type_object(get_post_type()); | |
if ( get_query_var('paged') ) { | |
echo $sep . sprintf($link, get_post_type_archive_link($post_type->name), $post_type->label) . $sep . $before . sprintf($text['page'], get_query_var('paged')) . $after; | |
} else { | |
if ($show_current) echo $sep . $before . $post_type->label . $after; | |
} | |
} elseif ( is_attachment() ) { | |
if ($show_home_link) echo $sep; | |
$parent = get_post($parent_id); | |
$cat = get_the_category($parent->ID); $cat = $cat[0]; | |
if ($cat) { | |
$cats = get_category_parents($cat, TRUE, $sep); | |
$cats = preg_replace('#<a([^>]+)>([^<]+)<\/a>#', $link_before . '<a$1' . $link_attr .'>' . $link_in_before . '$2' . $link_in_after .'</a>' . $link_after, $cats); | |
echo $cats; | |
} | |
printf($link, get_permalink($parent), $parent->post_title); | |
if ($show_current) echo $sep . $before . get_the_title() . $after; | |
} elseif ( is_page() && !$parent_id ) { | |
if ($show_current) echo $sep . $before . get_the_title() . $after; | |
} elseif ( is_page() && $parent_id ) { | |
if ($show_home_link) echo $sep; | |
if ($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 $sep; | |
} | |
} | |
if ($show_current) echo $sep . $before . get_the_title() . $after; | |
} elseif ( is_tag() ) { | |
if ( get_query_var('paged') ) { | |
$tag_id = get_queried_object_id(); | |
$tag = get_tag($tag_id); | |
echo $sep . sprintf($link, get_tag_link($tag_id), $tag->name) . $sep . $before . sprintf($text['page'], get_query_var('paged')) . $after; | |
} else { | |
if ($show_current) echo $sep . $before . sprintf($text['tag'], single_tag_title('', false)) . $after; | |
} | |
} elseif ( is_author() ) { | |
global $author; | |
$author = get_userdata($author); | |
if ( get_query_var('paged') ) { | |
if ($show_home_link) echo $sep; | |
echo sprintf($link, get_author_posts_url($author->ID), $author->display_name) . $sep . $before . sprintf($text['page'], get_query_var('paged')) . $after; | |
} else { | |
if ($show_home_link && $show_current) echo $sep; | |
if ($show_current) echo $before . sprintf($text['author'], $author->display_name) . $after; | |
} | |
} elseif ( is_404() ) { | |
if ($show_home_link && $show_current) echo $sep; | |
if ($show_current) echo $before . $text['404'] . $after; | |
} elseif ( has_post_format() && !is_singular() ) { | |
if ($show_home_link) echo $sep; | |
echo get_post_format_string( get_post_format() ); | |
} | |
echo $wrap_after; | |
} | |
} // end of dimox_breadcrumbs() |
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