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March 28, 2017 05:57
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function education_hub_simple_breadcrumb( $args = array() ) { | |
$args = wp_parse_args( (array) $args, array( | |
'separator' => '>', | |
) ); | |
/* === OPTIONS === */ | |
$text['home'] = get_bloginfo( 'name' ); // text for the 'Home' link | |
$text['category'] = __( '<em>%s</em>', 'education-hub' ); // text for a category page | |
$text['tax'] = __( '<em>%s</em>', 'education-hub' ); // text for a taxonomy page | |
$text['search'] = __( 'Search results for: <em>%s</em>', 'education-hub' ); // text for a search results page | |
$text['tag'] = __( 'Posts tagged <em>%s</em>', 'education-hub' ); // text for a tag page | |
$text['author'] = __( 'View all posts by <em>%s</em>', 'education-hub' ); // text for an author page | |
$text['404'] = __( 'Error 404', 'education-hub' ); // text for the 404 page | |
$showCurrent = 1; // 1 - show current post/page title in breadcrumbs, 0 - don't show | |
$showOnHome = 0; // 1 - show breadcrumbs on the homepage, 0 - don't show | |
$delimiter = ' ' . $args['separator'] . ' '; // delimiter between crumbs | |
$before = '<span class="current">'; // tag before the current crumb | |
$after = '</span>'; // tag after the current crumb | |
/* === END OF OPTIONS === */ | |
global $post; | |
$homeLink = esc_url( home_url( '/' ) ); | |
$linkBefore = '<span typeof="v:Breadcrumb">'; | |
$linkAfter = '</span>'; | |
$linkAttr = ' rel="v:url" property="v:title"'; | |
$link = $linkBefore . '<a' . $linkAttr . ' href="%1$s">%2$s</a>' . $linkAfter; | |
if ( is_home() || is_front_page() ) { | |
if ( $showOnHome == 1 ) { echo '<div id="crumbs"><a href="' . $homeLink . '">' . $text['home'] . '</a></div>'; } | |
} else { | |
echo '<div id="crumbs" xmlns:v="http://rdf.data-vocabulary.org/#">' . sprintf( $link, $homeLink, $text['home'] ) . $delimiter; | |
if ( is_category() ) { | |
$thisCat = get_category( get_query_var( 'cat' ), false ); | |
if ( $thisCat->parent != 0 ) { | |
$cats = get_category_parents( $thisCat->parent, true, $delimiter ); | |
$cats = str_replace( '<a', $linkBefore . '<a' . $linkAttr, $cats ); | |
$cats = str_replace( '</a>', '</a>' . $linkAfter, $cats ); | |
echo $cats; | |
} | |
echo $before . sprintf( $text['category'], single_cat_title( '', false ) ) . $after; | |
} elseif ( is_tax() ) { | |
$thisCat = get_category( get_query_var( 'cat' ), false ); | |
if ( $thisCat->parent != 0 ) { | |
$cats = get_category_parents( $thisCat->parent, true, $delimiter ); | |
$cats = str_replace( '<a', $linkBefore . '<a' . $linkAttr, $cats ); | |
$cats = str_replace( '</a>', '</a>' . $linkAfter, $cats ); | |
echo $cats; | |
} | |
echo $before . sprintf( $text['tax'], 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, $homeLink . '/' . $slug['slug'] . '/', $post_type->labels->singular_name ); | |
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 ) { $cats = preg_replace( "#^(.+)$delimiter$#", '$1', $cats ); } | |
$cats = str_replace( '<a', $linkBefore . '<a' . $linkAttr, $cats ); | |
$cats = str_replace( '</a>', '</a>' . $linkAfter, $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]; | |
$cats = get_category_parents( $cat, true, $delimiter ); | |
$cats = str_replace( '<a', $linkBefore . '<a' . $linkAttr, $cats ); | |
$cats = str_replace( '</a>', '</a>' . $linkAfter, $cats ); | |
echo $cats; | |
printf( $link, get_permalink( $parent ), $parent->post_title ); | |
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[] = 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 ( $showCurrent == 1 ) { echo $delimiter . $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', 'education-hub' ) . ' ' . get_query_var( 'paged' ); | |
if ( is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author() ) { echo ')'; } | |
} | |
echo '</div>'; | |
} | |
} |
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