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WP: Add breadcrumb navigation to wordpress posts
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// http://www.qualitytuts.com/wordpress-custom-breadcrumbs-without-plugin/ | |
function qt_custom_breadcrumbs() { | |
$showOnHome = 0; // 1 - show breadcrumbs on the homepage, 0 - don't show | |
$delimiter = '»'; // delimiter between crumbs | |
$home = 'Home'; // text for the 'Home' link | |
$showCurrent = 1; // 1 - show current post/page title in breadcrumbs, 0 - don't show | |
$before = '<span class="current">'; // tag before the current crumb | |
$after = '</span>'; // tag after the current crumb | |
global $post; | |
$homeLink = get_bloginfo('url'); | |
if (is_home() || is_front_page()) { | |
if ($showOnHome == 1) echo '<div id="crumbs"><a href="' . $homeLink . '">' . $home . '</a></div>'; | |
} else { | |
echo '<div id="crumbs"><a href="' . $homeLink . '">' . $home . '</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 $before . 'Archive by category "' . single_cat_title('', false) . '"' . $after; | |
} elseif ( is_search() ) { | |
echo $before . 'Search results for "' . get_search_query() . '"' . $after; | |
} 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 $before . get_the_time('d') . $after; | |
} elseif ( is_month() ) { | |
echo '<a href="' . get_year_link(get_the_time('Y')) . '">' . get_the_time('Y') . '</a> ' . $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; | |
echo '<a href="' . $homeLink . '/' . $slug['slug'] . '/">' . $post_type->labels->singular_name . '</a>'; | |
if ($showCurrent == 1) echo ' ' . $delimiter . ' ' . $before . get_the_title() . $after; | |
} 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 $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() ) { | |
$parent = get_post($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 . ' ' . $before . get_the_title() . $after; | |
} elseif ( is_page() && !$post->post_parent ) { | |
if ($showCurrent == 1) echo $before . get_the_title() . $after; | |
} 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 ' ' . $delimiter . ' '; | |
} | |
if ($showCurrent == 1) echo ' ' . $delimiter . ' ' . $before . get_the_title() . $after; | |
} elseif ( is_tag() ) { | |
echo $before . 'Posts tagged "' . single_tag_title('', false) . '"' . $after; | |
} elseif ( is_author() ) { | |
global $author; | |
$userdata = get_userdata($author); | |
echo $before . 'Articles posted by ' . $userdata->display_name . $after; | |
} elseif ( is_404() ) { | |
echo $before . 'Error 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>'; | |
} | |
} // end qt_custom_breadcrumbs() | |
// the the following to single.php | |
if (function_exists('qt_custom_breadcrumbs')) qt_custom_breadcrumbs(); |
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