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<?php
/**
* Display breadcrumbs for posts, pages, archive page with the microdata that search engines understand
*
* @see http://support.google.com/webmasters/bin/answer.py?hl=en&answer=185417
*
* @param array|string $args
*/
function penci_breadcrumbs( $args = '' )
{
global $wp;
$args = wp_parse_args( $args, array(
'separator' => '<i class="fa fa-angle-right"></i>',
'home_label' => penci_get_tran_setting( 'penci_breadcrumb_home_label' ),
'home_class' => 'home',
'before' => '',
'before_item' => '',
'after_item' => '',
'taxonomy' => 'category',
'display_last_item' => true,
'classes' => ''
) );
if( is_front_page() ){
return;
}
$use_yoast_breadcrumb = penci_get_theme_mod( 'penci_use_yoast_breadcrumb' );
if ( function_exists( 'yoast_breadcrumb' ) && $use_yoast_breadcrumb ) {
$yoast_breadcrumb = yoast_breadcrumb( '<div class="penci_breadcrumbs ">', '</div>', false );
if ( $yoast_breadcrumb ) {
echo $yoast_breadcrumb;
return;
}
}
$args = apply_filters( 'penci_breadcrumbs_args', $args );
$items = array();
// HTML template for each item
$item_tpl = '<a href="%s" itemprop="item"><span itemprop="name">%s</span></a>';
$item_text_tpl = '<span itemprop="item"><span itemprop="name">%s</span></span>';
// Home
if ( ! $args['home_class'] )
{
$items[] = sprintf( $item_tpl, esc_url( home_url() ), esc_html( $args['home_label'] ) );
}
else
{
$items[] = sprintf(
'<a class="%s" href="%s" itemprop="item"><span itemprop="name">%s</span></a>',
esc_attr( $args['home_class'] ),
esc_url( home_url() ),
esc_html( $args['home_label'] )
);
}
// Blog page, not Homepage
if ( is_home() && ! is_front_page() )
{
$page = get_option( 'page_for_posts' );
if ( $args['display_last_item'] ) {
$items[] = sprintf( $item_tpl, get_permalink( $page ), get_the_title( $page ) );
}
}elseif ( is_post_type_archive( 'portfolio' ) || is_tax( 'portfolio-category' ) ) {
$current_term = get_queried_object();
$current_term_tax = isset( $current_term->taxonomy ) ? $current_term->taxonomy : '';
$terms = penci_get_term_parents( get_queried_object_id(), $current_term_tax );
foreach ( (array)$terms as $term_id ) {
$term = get_term( $term_id, $current_term->taxonomy );
$items[] = sprintf( $item_tpl, get_category_link( $term_id ), $term->name );
}
$current_term_label = isset( $current_term->label ) ? $current_term->label : $current_term->name;
$current_term_id = isset( $current_term->term_id ) ? $current_term->term_id : '';
if ( $args['display_last_item'] ){
$items[] = sprintf( $item_tpl, get_category_link( $current_term_id ), $current_term_label );
}
}elseif ( is_single() ) {
// Terms
$terms = get_the_terms( get_the_ID(), $args['taxonomy'] );
if ( ! is_wp_error( $terms ) && ! empty( $terms ) ) {
$term = penci_bread_primary_term( current( $terms ), $args['taxonomy'] );
$terms = penci_get_term_parents( $term->term_id, $args['taxonomy'] );
$terms[] = $term->term_id;
foreach ( $terms as $term_id ) {
$term = get_term( $term_id, $args['taxonomy'] );
if ( ! is_wp_error( $term ) && ! empty( $term ) ) {
$items[] = sprintf( $item_tpl, get_term_link( $term, $args['taxonomy'] ), $term->name );
}
}
if ( $args['display_last_item'] ) {
$items[] = sprintf( $item_tpl, get_permalink( ), get_the_title( ) );
}
}
}
elseif ( is_page() )
{
$pages = penci_get_post_parents( get_queried_object_id() );
foreach ( $pages as $page )
{
$items[] = sprintf( $item_tpl, get_permalink( $page ), get_the_title( $page ) );
}
if ( $args['display_last_item'] )
$items[] = sprintf( $item_tpl, get_permalink( ), get_the_title( ) );
}
elseif ( is_tax() || is_category() || is_tag() )
{
$current_term = get_queried_object();
$terms = penci_get_term_parents( get_queried_object_id(), $current_term->taxonomy );
foreach ( $terms as $term_id ) {
$term = get_term( $term_id, $current_term->taxonomy );
$items[] = sprintf( $item_tpl, get_category_link( $term_id ), $term->name );
}
$current_term_label = isset( $current_term->label ) ? $current_term->label : '';
$current_term_id = isset( $current_term->term_id ) ? $current_term->term_id : '';
if( ! $current_term_label ) {
$current_term_label = isset( $current_term->name ) ? $current_term->name : '';
}
if ( $args['display_last_item'] ) {
$items[] = sprintf( $item_tpl, get_category_link( $current_term_id ), $current_term_label );
}
}
elseif ( is_search() )
{
$items[] = sprintf( $item_tpl,get_search_link( get_search_query() ), sprintf( esc_html__( '%s "%s"', 'pennews' ), penci_get_tran_setting( 'penci_search_title' ), get_search_query() ) );
}
elseif ( is_404() )
{
$items[] = sprintf( $item_tpl, penci_get_tran_setting( 'penci_breadcrumb_page_404' ) );
}
elseif ( is_author() )
{
$author_url = get_author_posts_url( get_the_author_meta( 'ID' ) );
// Queue the first post, that way we know what author we're dealing with (if that is the case).
$items[] = sprintf(
$item_tpl,
$author_url,
sprintf(
esc_html__( '%s %s', 'pennews' ),
penci_get_tran_setting( 'penci_breadcrumb_author_archive' ),
'<span class="vcard"><a class="url fn n" href="' . $author_url . '" title="' . esc_attr( get_the_author() ) . '" rel="me">' . get_the_author() . '</a></span>'
)
);
}
elseif ( is_day() )
{
$items[] = sprintf(
$item_tpl,
home_url( add_query_arg( array(), $wp->request ) ),
sprintf( esc_html__( '%s %s', 'pennews' ),penci_get_tran_setting( 'penci_breadcrumb_day_archive' ), get_the_date() )
);
}
elseif ( is_month() )
{
$items[] = sprintf(
$item_tpl,
home_url( add_query_arg( array(), $wp->request ) ),
sprintf( esc_html__( '%s %s', 'pennews' ),penci_get_tran_setting( 'penci_breadcrumb_monthly_archives' ), get_the_date( 'F Y' ) )
);
}
elseif ( is_year() )
{
$items[] = sprintf(
$item_tpl,
home_url( add_query_arg( array(), $wp->request ) ),
sprintf( esc_html__( '%s %s', 'pennews' ),penci_get_tran_setting( 'penci_breadcrumb_yearly_archives' ), get_the_date( 'Y' ) )
);
}
else
{
$items[] = sprintf(
$item_tpl,
home_url( add_query_arg( array(), $wp->request ) ),
penci_get_tran_setting( 'penci_breadcrumb_archives' )
);
}
$items = apply_filters( 'penci_breadcrumbs_items', $items, $item_tpl, $item_text_tpl );
$output = '<div class="penci_breadcrumbs ' . esc_attr( $args['classes'] ) . '">';
$output .= '<ul itemscope itemtype="http://schema.org/BreadcrumbList">';
$output .= ( $args['before'] );
$pos_item = 1;
foreach( $items as $item ) {
$output .= $args['before_item'];
$output .= '<li itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem">';
if( $pos_item > 1 ) {
$output .= $args['separator'];
}
$output .= $item;
$output .= sprintf( '<meta itemprop="position" content="%s" />', absint( $pos_item ) );
$output .= '</li>';
$output .= $args['after_item'];
$pos_item ++;
}
$output .= '</ul>';
$output .= '</div>';
echo ( $output );
}
/**
* Searches for term parents' IDs of hierarchical taxonomies, including current term.
* This function is similar to the WordPress function get_category_parents() but handles any type of taxonomy.
* Modified from Hybrid Framework
*
* @param int|string $term_id The term ID
* @param object|string $taxonomy The taxonomy of the term whose parents we want.
*
* @return array Array of parent terms' IDs.
*/
if( ! function_exists( 'penci_get_term_parents' ) ) {
function penci_get_term_parents( $term_id = '', $taxonomy = 'category' ) {
// Set up some default arrays.
$list = array();
// If no term ID or taxonomy is given, return an empty array.
if ( empty( $term_id ) || empty( $taxonomy ) ) {
return $list;
}
do {
$list[] = $term_id;
// Get next parent term
$term = get_term( $term_id, $taxonomy );
$term_id = $term->parent;
} while ( $term_id );
// Reverse the array to put them in the proper order for the trail.
$list = array_reverse( $list );
array_pop( $list );
return $list;
}
}
/**
* Gets parent posts' IDs of any post type, include current post
* Modified from Hybrid Framework
*
* @param int|string $post_id ID of the post whose parents we want.
*
* @return array Array of parent posts' IDs.
*/
if( ! function_exists( 'penci_get_post_parents' ) ) {
function penci_get_post_parents( $post_id = '' ) {
// Set up some default array.
$list = array();
// If no post ID is given, return an empty array.
if ( empty( $post_id ) ) {
return $list;
}
do {
$list[] = $post_id;
// Get next parent post
$post = get_post( $post_id );
$post_id = $post->post_parent;
} while ( $post_id );
// Reverse the array to put them in the proper order for the trail.
$list = array_reverse( $list );
array_pop( $list );
return $list;
}
}
if( ! function_exists( 'penci_bread_primary_term' ) ) {
function penci_bread_primary_term( $term, $taxonomy ){
if ( class_exists( 'WPSEO_Primary_Term' ) ) {
$wpseo_primary_term = new WPSEO_Primary_Term( $taxonomy, get_the_id() );
$wpseo_primary_term = $wpseo_primary_term->get_primary_term();
$primary_term = get_term( $wpseo_primary_term );
if ( ! is_wp_error( $primary_term ) ) {
$term = $primary_term;
}
}
return $term;
}
}
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