← All changes | modules/theme-tools/site-breadcrumbs.php +103 -0 16.2-beta → 16.3 View file →

		@@ -1,0 +1,103 @@
	1	+<?php
	2	+/**
	3	+ * Plugin Name: Site Breadcrumbs
	4	+ * Plugin URI: https://wordpress.com
	5	+ * Description: Quickly add breadcrumbs to the single view of a hierarchical post type or a hierarchical taxonomy.
	6	+ * Author: Automattic
	7	+ * Version: 1.0
	8	+ * Author URI: https://wordpress.com
	9	+ * License: GPL2 or later
	10	+ * Text Domain: jetpack
	11	+ *
	12	+ * @package automattic/jetpack
	13	+ */
	14	+
	15	+if ( ! class_exists( '\Automattic\Jetpack\Classic_Theme_Helper\Main' ) ) {
	16	+
	17	+ if ( ! function_exists( 'jetpack_breadcrumbs' ) ) {
	18	+ /**
	19	+ * Echos a set of breadcrumbs.
	20	+ *
	21	+ * Themes can call this function where the breadcrumbs should be outputted.
	22	+ *
	23	+ * @phan-suppress PhanRedefineFunction -- Covered by function_exists check.
	24	+ */
	25	+ function jetpack_breadcrumbs() {
	26	+ _deprecated_function( __FUNCTION__, 'jetpack-13.8' );
	27	+ $taxonomy = is_category() ? 'category' : get_query_var( 'taxonomy' );
	28	+ $is_taxonomy_hierarchical = is_taxonomy_hierarchical( $taxonomy );
	29	+
	30	+ $post_type = is_page() ? 'page' : get_query_var( 'post_type' );
	31	+ $is_post_type_hierarchical = is_post_type_hierarchical( $post_type );
	32	+
	33	+ if ( ! ( $is_post_type_hierarchical || $is_taxonomy_hierarchical ) || is_front_page() ) {
	34	+ return;
	35	+ }
	36	+
	37	+ $breadcrumb = '';
	38	+ $position = 1;
	39	+
	40	+ if ( $is_post_type_hierarchical ) {
	41	+ $post_id = get_queried_object_id();
	42	+ $ancestors = array_reverse( get_post_ancestors( $post_id ) );
	43	+ if ( $ancestors ) {
	44	+ foreach ( $ancestors as $ancestor ) {
	45	+ $breadcrumb .= '<span itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem"><meta itemprop="position" content="' . esc_attr( $position ) . '"><a href="' . esc_url( get_permalink( $ancestor ) ) . '" itemprop="item"><span itemprop="name">' . esc_html( get_the_title( $ancestor ) ) . '</span></a></span>';
	46	+ ++$position;
	47	+ }
	48	+ }
	49	+ $breadcrumb .= '<span class="current-page" itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem"><meta itemprop="position" content="' . esc_attr( $position ) . '"><span itemprop="name">' . esc_html( get_the_title( $post_id ) ) . '</span></span>';
	50	+ } elseif ( $is_taxonomy_hierarchical ) {
	51	+ $current = get_term( get_queried_object_id(), $taxonomy );
	52	+
	53	+ if ( is_wp_error( $current ) ) {
	54	+ return;
	55	+ }
	56	+
	57	+ if ( $current->parent ) {
	58	+ $breadcrumb = jetpack_get_term_parents( $current->parent, $taxonomy );
	59	+ }
	60	+
	61	+ $breadcrumb .= '<span class="current-category" itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem"><meta property="position" content="' . esc_attr( $position ) . '"><span itemprop="name">' . esc_html( $current->name ) . '</span></span>';
	62	+ }
	63	+
	64	+ $home = '<span itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem"><meta itemprop="position" content="' . esc_attr( $position ) . '"><meta itemprop="position" content="0"><a href="' . esc_url( home_url( '/' ) ) . '" class="home-link" itemprop="item" rel="home"><span itemprop="name">' . esc_html__( 'Home', 'jetpack' ) . '</span></a></span>';
	65	+
	66	+ echo '<nav class="entry-breadcrumbs" itemscope itemtype="https://schema.org/BreadcrumbList">' . $home . $breadcrumb . '</nav>'; //phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
	67	+ }
	68	+
	69	+ }
	70	+
	71	+ if ( ! function_exists( 'jetpack_get_term_parents' ) ) {
	72	+ /**
	73	+ * Return the parents for a given taxonomy term ID.
	74	+ *
	75	+ * @phan-suppress PhanRedefineFunction -- Covered by function_exists check.
	76	+ *
	77	+ * @param int $term Taxonomy term whose parents will be returned.
	78	+ * @param string $taxonomy Taxonomy name that the term belongs to.
	79	+ * @param array $visited Terms already added to prevent duplicates.
	80	+ *
	81	+ * @return string A list of links to the term parents.
	82	+ */
	83	+ function jetpack_get_term_parents( $term, $taxonomy, $visited = array() ) {
	84	+ _deprecated_function( __FUNCTION__, 'jetpack-13.8' );
	85	+ $parent = get_term( $term, $taxonomy );
	86	+
	87	+ if ( is_wp_error( $parent ) ) {
	88	+ return $parent;
	89	+ }
	90	+
	91	+ $chain = '';
	92	+
	93	+ if ( $parent->parent && ( $parent->parent !== $parent->term_id ) && ! in_array( $parent->parent, $visited, true ) ) {
	94	+ $visited[] = $parent->parent;
	95	+ $chain .= jetpack_get_term_parents( $parent->parent, $taxonomy, $visited );
	96	+ }
	97	+
	98	+ $chain .= '<a href="' . esc_url( get_category_link( $parent->term_id ) ) . '">' . $parent->name . '</a>';
	99	+
	100	+ return $chain;
	101	+ }
	102	+ }
	103	+}