File Content: class-kkart-breadcrumb.php <?php /** * KKART_Breadcrumb class. * * @package Kkart\Classes * @version 2.3.0 */ defined( 'ABSPATH' ) || exit; /** * Breadcrumb class. */ class KKART_Breadcrumb { /** * Breadcrumb trail. * * @var array */ protected $crumbs = array(); /** * Add a crumb so we don't get lost. * * @param string $name Name. * @param string $link Link. */ public function add_crumb( $name, $link = '' ) { $this->crumbs[] = array( wp_strip_all_tags( $name ), $link, ); } /** * Reset crumbs. */ public function reset() { $this->crumbs = array(); } /** * Get the breadcrumb. * * @return array */ public function get_breadcrumb() { return apply_filters( 'kkart_get_breadcrumb', $this->crumbs, $this ); } /** * Generate breadcrumb trail. * * @return array of breadcrumbs */ public function generate() { $conditionals = array( 'is_home', 'is_404', 'is_attachment', 'is_single', 'is_product_category', 'is_product_tag', 'is_shop', 'is_page', 'is_post_type_archive', 'is_category', 'is_tag', 'is_author', 'is_date', 'is_tax', ); if ( ( ! is_front_page() && ! ( is_post_type_archive() && intval( get_option( 'page_on_front' ) ) === kkart_get_page_id( 'shop' ) ) ) || is_paged() ) { foreach ( $conditionals as $conditional ) { if ( call_user_func( $conditional ) ) { call_user_func( array( $this, 'add_crumbs_' . substr( $conditional, 3 ) ) ); break; } } $this->search_trail(); $this->paged_trail(); return $this->get_breadcrumb(); } return array(); } /** * Prepend the shop page to shop breadcrumbs. */ protected function prepend_shop_page() { $permalinks = kkart_get_permalink_structure(); $shop_page_id = kkart_get_page_id( 'shop' ); $shop_page = get_post( $shop_page_id ); // If permalinks contain the shop page in the URI prepend the breadcrumb with shop. if ( $shop_page_id && $shop_page && isset( $permalinks['product_base'] ) && strstr( $permalinks['product_base'], '/' . $shop_page->post_name ) && intval( get_option( 'page_on_front' ) ) !== $shop_page_id ) { $this->add_crumb( get_the_title( $shop_page ), get_permalink( $shop_page ) ); } } /** * Is home trail.. */ protected function add_crumbs_home() { $this->add_crumb( single_post_title( '', false ) ); } /** * 404 trail. */ protected function add_crumbs_404() { $this->add_crumb( __( 'Error 404', 'kkart' ) ); } /** * Attachment trail. */ protected function add_crumbs_attachment() { global $post; $this->add_crumbs_single( $post->post_parent, get_permalink( $post->post_parent ) ); $this->add_crumb( get_the_title(), get_permalink() ); } /** * Single post trail. * * @param int $post_id Post ID. * @param string $permalink Post permalink. */ protected function add_crumbs_single( $post_id = 0, $permalink = '' ) { if ( ! $post_id ) { global $post; } else { $post = get_post( $post_id ); // WPCS: override ok. } if ( ! $permalink ) { $permalink = get_permalink( $post ); } if ( 'product' === get_post_type( $post ) ) { $this->prepend_shop_page(); $terms = kkart_get_product_terms( $post->ID, 'product_cat', apply_filters( 'kkart_breadcrumb_product_terms_args', array( 'orderby' => 'parent', 'order' => 'DESC', ) ) ); if ( $terms ) { $main_term = apply_filters( 'kkart_breadcrumb_main_term', $terms[0], $terms ); $this->term_ancestors( $main_term->term_id, 'product_cat' ); $this->add_crumb( $main_term->name, get_term_link( $main_term ) ); } } elseif ( 'post' !== get_post_type( $post ) ) { $post_type = get_post_type_object( get_post_type( $post ) ); if ( ! empty( $post_type->has_archive ) ) { $this->add_crumb( $post_type->labels->singular_name, get_post_type_archive_link( get_post_type( $post ) ) ); } } else { $cat = current( get_the_category( $post ) ); if ( $cat ) { $this->term_ancestors( $cat->term_id, 'category' ); $this->add_crumb( $cat->name, get_term_link( $cat ) ); } } $this->add_crumb( get_the_title( $post ), $permalink ); } /** * Page trail. */ protected function add_crumbs_page() { global $post; if ( $post->post_parent ) { $parent_crumbs = array(); $parent_id = $post->post_parent; while ( $parent_id ) { $page = get_post( $parent_id ); $parent_id = $page->post_parent; $parent_crumbs[] = array( get_the_title( $page->ID ), get_permalink( $page->ID ) ); } $parent_crumbs = array_reverse( $parent_crumbs ); foreach ( $parent_crumbs as $crumb ) { $this->add_crumb( $crumb[0], $crumb[1] ); } } $this->add_crumb( get_the_title(), get_permalink() ); $this->endpoint_trail(); } /** * Product category trail. */ protected function add_crumbs_product_category() { $current_term = $GLOBALS['wp_query']->get_queried_object(); $this->prepend_shop_page(); $this->term_ancestors( $current_term->term_id, 'product_cat' ); $this->add_crumb( $current_term->name, get_term_link( $current_term, 'product_cat' ) ); } /** * Product tag trail. */ protected function add_crumbs_product_tag() { $current_term = $GLOBALS['wp_query']->get_queried_object(); $this->prepend_shop_page(); /* translators: %s: product tag */ $this->add_crumb( sprintf( __( 'Products tagged &ldquo;%s&rdquo;', 'kkart' ), $current_term->name ), get_term_link( $current_term, 'product_tag' ) ); } /** * Shop breadcrumb. */ protected function add_crumbs_shop() { if ( intval( get_option( 'page_on_front' ) ) === kkart_get_page_id( 'shop' ) ) { return; } $_name = kkart_get_page_id( 'shop' ) ? get_the_title( kkart_get_page_id( 'shop' ) ) : ''; if ( ! $_name ) { $product_post_type = get_post_type_object( 'product' ); $_name = $product_post_type->labels->name; } $this->add_crumb( $_name, get_post_type_archive_link( 'product' ) ); } /** * Post type archive trail. */ protected function add_crumbs_post_type_archive() { $post_type = get_post_type_object( get_post_type() ); if ( $post_type ) { $this->add_crumb( $post_type->labels->name, get_post_type_archive_link( get_post_type() ) ); } } /** * Category trail. */ protected function add_crumbs_category() { $this_category = get_category( $GLOBALS['wp_query']->get_queried_object() ); if ( 0 !== intval( $this_category->parent ) ) { $this->term_ancestors( $this_category->term_id, 'category' ); } $this->add_crumb( single_cat_title( '', false ), get_category_link( $this_category->term_id ) ); } /** * Tag trail. */ protected function add_crumbs_tag() { $queried_object = $GLOBALS['wp_query']->get_queried_object(); /* translators: %s: tag name */ $this->add_crumb( sprintf( __( 'Posts tagged &ldquo;%s&rdquo;', 'kkart' ), single_tag_title( '', false ) ), get_tag_link( $queried_object->term_id ) ); } /** * Add crumbs for date based archives. */ protected function add_crumbs_date() { if ( is_year() || is_month() || is_day() ) { $this->add_crumb( get_the_time( 'Y' ), get_year_link( get_the_time( 'Y' ) ) ); } if ( is_month() || is_day() ) { $this->add_crumb( get_the_time( 'F' ), get_month_link( get_the_time( 'Y' ), get_the_time( 'm' ) ) ); } if ( is_day() ) { $this->add_crumb( get_the_time( 'd' ) ); } } /** * Add crumbs for taxonomies */ protected function add_crumbs_tax() { $this_term = $GLOBALS['wp_query']->get_queried_object(); $taxonomy = get_taxonomy( $this_term->taxonomy ); $this->add_crumb( $taxonomy->labels->name ); if ( 0 !== intval( $this_term->parent ) ) { $this->term_ancestors( $this_term->term_id, $this_term->taxonomy ); } $this->add_crumb( single_term_title( '', false ), get_term_link( $this_term->term_id, $this_term->taxonomy ) ); } /** * Add a breadcrumb for author archives. */ protected function add_crumbs_author() { global $author; $userdata = get_userdata( $author ); /* translators: %s: author name */ $this->add_crumb( sprintf( __( 'Author: %s', 'kkart' ), $userdata->display_name ) ); } /** * Add crumbs for a term. * * @param int $term_id Term ID. * @param string $taxonomy Taxonomy. */ protected function term_ancestors( $term_id, $taxonomy ) { $ancestors = get_ancestors( $term_id, $taxonomy ); $ancestors = array_reverse( $ancestors ); foreach ( $ancestors as $ancestor ) { $ancestor = get_term( $ancestor, $taxonomy ); if ( ! is_wp_error( $ancestor ) && $ancestor ) { $this->add_crumb( $ancestor->name, get_term_link( $ancestor ) ); } } } /** * Endpoints. */ protected function endpoint_trail() { $action = isset( $_GET['action'] ) ? sanitize_text_field( wp_unslash( $_GET['action'] ) ) : ''; $endpoint = is_kkart_endpoint_url() ? KKART()->query->get_current_endpoint() : ''; $endpoint_title = $endpoint ? KKART()->query->get_endpoint_title( $endpoint, $action ) : ''; if ( $endpoint_title ) { $this->add_crumb( $endpoint_title ); } } /** * Add a breadcrumb for search results. */ protected function search_trail() { if ( is_search() ) { /* translators: %s: search term */ $this->add_crumb( sprintf( __( 'Search results for &ldquo;%s&rdquo;', 'kkart' ), get_search_query() ), remove_query_arg( 'paged' ) ); } } /** * Add a breadcrumb for pagination. */ protected function paged_trail() { if ( get_query_var( 'paged' ) && 'subcategories' !== kkart_get_loop_display_mode() ) { /* translators: %d: page number */ $this->add_crumb( sprintf( __( 'Page %d', 'kkart' ), get_query_var( 'paged' ) ) ); } } } Submit