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If there are no pages and no static homepage, there will still be one sitemap including the homepage URL. This change ensures that this sitemap is correctly listed in the sitemap index. Props Chouby, pacifika, elrae. Fixes #50571. Built from https://develop.svn.wordpress.org/trunk@48476 git-svn-id: http://core.svn.wordpress.org/trunk@48245 1a063a9b-81f0-0310-95a4-ce76da25c4cd
218 lines
5.7 KiB
PHP
218 lines
5.7 KiB
PHP
<?php
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/**
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* Sitemaps: WP_Sitemaps_Posts class
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*
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* Builds the sitemaps for the 'post' object type.
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*
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* @package WordPress
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* @subpackage Sitemaps
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* @since 5.5.0
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*/
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/**
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* Posts XML sitemap provider.
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*
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* @since 5.5.0
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*/
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class WP_Sitemaps_Posts extends WP_Sitemaps_Provider {
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/**
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* WP_Sitemaps_Posts constructor.
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*
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* @since 5.5.0
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*/
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public function __construct() {
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$this->name = 'posts';
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$this->object_type = 'post';
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}
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/**
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* Returns the public post types, which excludes nav_items and similar types.
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* Attachments are also excluded. This includes custom post types with public = true.
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*
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* @since 5.5.0
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*
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* @return WP_Post_Type[] Array of registered post type objects keyed by their name.
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*/
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public function get_object_subtypes() {
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$post_types = get_post_types( array( 'public' => true ), 'objects' );
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unset( $post_types['attachment'] );
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$post_types = array_filter( $post_types, 'is_post_type_viewable' );
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/**
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* Filters the list of post object sub types available within the sitemap.
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*
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* @since 5.5.0
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*
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* @param WP_Post_Type[] $post_types Array of registered post type objects keyed by their name.
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*/
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return apply_filters( 'wp_sitemaps_post_types', $post_types );
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}
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/**
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* Gets a URL list for a post type sitemap.
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*
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* @since 5.5.0
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*
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* @param int $page_num Page of results.
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* @param string $post_type Optional. Post type name. Default empty.
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* @return array Array of URLs for a sitemap.
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*/
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public function get_url_list( $page_num, $post_type = '' ) {
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// Bail early if the queried post type is not supported.
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$supported_types = $this->get_object_subtypes();
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if ( ! isset( $supported_types[ $post_type ] ) ) {
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return array();
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}
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/**
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* Filters the posts URL list before it is generated.
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*
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* Passing a non-null value will effectively short-circuit the generation,
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* returning that value instead.
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*
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* @since 5.5.0
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*
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* @param array $url_list The URL list. Default null.
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* @param string $post_type Post type name.
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* @param int $page_num Page of results.
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*/
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$url_list = apply_filters(
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'wp_sitemaps_posts_pre_url_list',
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null,
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$post_type,
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$page_num
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);
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if ( null !== $url_list ) {
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return $url_list;
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}
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$args = $this->get_posts_query_args( $post_type );
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$args['paged'] = $page_num;
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$query = new WP_Query( $args );
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$url_list = array();
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/*
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* Add a URL for the homepage in the pages sitemap.
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* Shows only on the first page if the reading settings are set to display latest posts.
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*/
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if ( 'page' === $post_type && 1 === $page_num && 'posts' === get_option( 'show_on_front' ) ) {
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// Extract the data needed for home URL to add to the array.
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$sitemap_entry = array(
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'loc' => home_url( '/' ),
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);
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/**
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* Filters the sitemap entry for the home page when the 'show_on_front' option equals 'posts'.
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*
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* @since 5.5.0
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*
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* @param array $sitemap_entry Sitemap entry for the home page.
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*/
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$sitemap_entry = apply_filters( 'wp_sitemaps_posts_show_on_front_entry', $sitemap_entry );
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$url_list[] = $sitemap_entry;
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}
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foreach ( $query->posts as $post ) {
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$sitemap_entry = array(
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'loc' => get_permalink( $post ),
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);
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/**
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* Filters the sitemap entry for an individual post.
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*
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* @since 5.5.0
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*
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* @param array $sitemap_entry Sitemap entry for the post.
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* @param WP_Post $post Post object.
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* @param string $post_type Name of the post_type.
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*/
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$sitemap_entry = apply_filters( 'wp_sitemaps_posts_entry', $sitemap_entry, $post, $post_type );
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$url_list[] = $sitemap_entry;
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}
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return $url_list;
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}
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/**
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* Gets the max number of pages available for the object type.
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*
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* @since 5.5.0
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*
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* @param string $post_type Optional. Post type name. Default empty.
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* @return int Total number of pages.
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*/
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public function get_max_num_pages( $post_type = '' ) {
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if ( empty( $post_type ) ) {
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return 0;
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}
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/**
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* Filters the max number of pages before it is generated.
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*
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* Passing a non-null value will short-circuit the generation,
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* returning that value instead.
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*
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* @since 5.5.0
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*
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* @param int|null $max_num_pages The maximum number of pages. Default null.
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* @param string $post_type Post type name.
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*/
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$max_num_pages = apply_filters( 'wp_sitemaps_posts_pre_max_num_pages', null, $post_type );
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if ( null !== $max_num_pages ) {
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return $max_num_pages;
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}
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$args = $this->get_posts_query_args( $post_type );
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$args['fields'] = 'ids';
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$args['no_found_rows'] = false;
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$query = new WP_Query( $args );
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$min_num_pages = ( 'page' === $post_type && 'posts' === get_option( 'show_on_front' ) ) ? 1 : 0;
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return isset( $query->max_num_pages ) ? max( $min_num_pages, $query->max_num_pages ) : 1;
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}
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/**
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* Returns the query args for retrieving posts to list in the sitemap.
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*
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* @since 5.5.0
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*
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* @param string $post_type Post type name.
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* @return array Array of WP_Query arguments.
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*/
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protected function get_posts_query_args( $post_type ) {
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/**
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* Filters the query arguments for post type sitemap queries.
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*
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* @see WP_Query for a full list of arguments.
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*
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* @since 5.5.0
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*
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* @param array $args Array of WP_Query arguments.
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* @param string $post_type Post type name.
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*/
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$args = apply_filters(
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'wp_sitemaps_posts_query_args',
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array(
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'orderby' => 'ID',
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'order' => 'ASC',
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'post_type' => $post_type,
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'posts_per_page' => wp_sitemaps_get_max_urls( $this->object_type ),
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'post_status' => array( 'publish' ),
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'no_found_rows' => true,
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'update_post_term_cache' => false,
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'update_post_meta_cache' => false,
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),
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$post_type
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);
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return $args;
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}
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}
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