/** * Template loading functions. * * @package WordPress * @subpackage Template */ /** * Retrieves path to a template. * * Used to quickly retrieve the path of a template without including the file * extension. It will also check the parent theme, if the file exists, with * the use of locate_template(). Allows for more generic template location * without the use of the other get_*_template() functions. * * @since 1.5.0 * * @param string $type Filename without extension. * @param string[] $templates An optional list of template candidates. * @return string Full path to template file. */ function get_query_template( $type, $templates = array() ) { $type = preg_replace( '|[^a-z0-9-]+|', '', $type ); if ( empty( $templates ) ) { $templates = array( "{$type}.php" ); } /** * Filters the list of template filenames that are searched for when retrieving a template to use. * * The dynamic portion of the hook name, `$type`, refers to the filename -- minus the file * extension and any non-alphanumeric characters delimiting words -- of the file to load. * The last element in the array should always be the fallback template for this query type. * * Possible hook names include: * * - `404_template_hierarchy` * - `archive_template_hierarchy` * - `attachment_template_hierarchy` * - `author_template_hierarchy` * - `category_template_hierarchy` * - `date_template_hierarchy` * - `embed_template_hierarchy` * - `frontpage_template_hierarchy` * - `home_template_hierarchy` * - `index_template_hierarchy` * - `page_template_hierarchy` * - `paged_template_hierarchy` * - `privacypolicy_template_hierarchy` * - `search_template_hierarchy` * - `single_template_hierarchy` * - `singular_template_hierarchy` * - `tag_template_hierarchy` * - `taxonomy_template_hierarchy` * * @since 4.7.0 * * @param string[] $templates A list of template candidates, in descending order of priority. */ $templates = apply_filters( "{$type}_template_hierarchy", $templates ); $template = locate_template( $templates ); $template = locate_block_template( $template, $type, $templates ); /** * Filters the path of the queried template by type. * * The dynamic portion of the hook name, `$type`, refers to the filename -- minus the file * extension and any non-alphanumeric characters delimiting words -- of the file to load. * This hook also applies to various types of files loaded as part of the Template Hierarchy. * * Possible hook names include: * * - `404_template` * - `archive_template` * - `attachment_template` * - `author_template` * - `category_template` * - `date_template` * - `embed_template` * - `frontpage_template` * - `home_template` * - `index_template` * - `page_template` * - `paged_template` * - `privacypolicy_template` * - `search_template` * - `single_template` * - `singular_template` * - `tag_template` * - `taxonomy_template` * * @since 1.5.0 * @since 4.8.0 The `$type` and `$templates` parameters were added. * * @param string $template Path to the template. See locate_template(). * @param string $type Sanitized filename without extension. * @param string[] $templates A list of template candidates, in descending order of priority. */ return apply_filters( "{$type}_template", $template, $type, $templates ); } /** * Retrieves path of index template in current or parent template. * * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'} * and {@see '$type_template'} dynamic hooks, where `$type` is 'index'. * * @since 3.0.0 * * @see get_query_template() * * @return string Full path to index template file. */ function get_index_template() { return get_query_template( 'index' ); } /** * Retrieves path of 404 template in current or parent template. * * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'} * and {@see '$type_template'} dynamic hooks, where `$type` is '404'. * * @since 1.5.0 * * @see get_query_template() * * @return string Full path to 404 template file. */ function get_404_template() { return get_query_template( '404' ); } /** * Retrieves path of archive template in current or parent template. * * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'} * and {@see '$type_template'} dynamic hooks, where `$type` is 'archive'. * * @since 1.5.0 * * @see get_query_template() * * @return string Full path to archive template file. */ function get_archive_template() { $post_types = array_filter( (array) get_query_var( 'post_type' ) ); $templates = array(); if ( count( $post_types ) === 1 ) { $post_type = reset( $post_types ); $templates[] = "archive-{$post_type}.php"; } $templates[] = 'archive.php'; return get_query_template( 'archive', $templates ); } /** * Retrieves path of post type archive template in current or parent template. * * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'} * and {@see '$type_template'} dynamic hooks, where `$type` is 'archive'. * * @since 3.7.0 * * @see get_archive_template() * * @return string Full path to archive template file. */ function get_post_type_archive_template() { $post_type = get_query_var( 'post_type' ); if ( is_array( $post_type ) ) { $post_type = reset( $post_type ); } $obj = get_post_type_object( $post_type ); if ( ! ( $obj instanceof WP_Post_Type ) || ! $obj->has_archive ) { return ''; } return get_archive_template(); } /** * Retrieves path of author template in current or parent template. * * The hierarchy for this template looks like: * * 1. author-{nicename}.php * 2. author-{id}.php * 3. author.php * * An example of this is: * * 1. author-john.php * 2. author-1.php * 3. author.php * * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'} * and {@see '$type_template'} dynamic hooks, where `$type` is 'author'. * * @since 1.5.0 * * @see get_query_template() * * @return string Full path to author template file. */ function get_author_template() { $author = get_queried_object(); $templates = array(); if ( $author instanceof WP_User ) { $templates[] = "author-{$author->user_nicename}.php"; $templates[] = "author-{$author->ID}.php"; } $templates[] = 'author.php'; return get_query_template( 'author', $templates ); } /** * Retrieves path of category template in current or parent template. * * The hierarchy for this template looks like: * * 1. category-{slug}.php * 2. category-{id}.php * 3. category.php * * An example of this is: * * 1. category-news.php * 2. category-2.php * 3. category.php * * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'} * and {@see '$type_template'} dynamic hooks, where `$type` is 'category'. * * @since 1.5.0 * @since 4.7.0 The decoded form of `category-{slug}.php` was added to the top of the * template hierarchy when the category slug contains multibyte characters. * * @see get_query_template() * * @return string Full path to category template file. */ function get_category_template() { $category = get_queried_object(); $templates = array(); if ( ! empty( $category->slug ) ) { $slug_decoded = urldecode( $category->slug ); if ( $slug_decoded !== $category->slug ) { $templates[] = "category-{$slug_decoded}.php"; } $templates[] = "category-{$category->slug}.php"; $templates[] = "category-{$category->term_id}.php"; } $templates[] = 'category.php'; return get_query_template( 'category', $templates ); } /** * Retrieves path of tag template in current or parent template. * * The hierarchy for this template looks like: * * 1. tag-{slug}.php * 2. tag-{id}.php * 3. tag.php * * An example of this is: * * 1. tag-wordpress.php * 2. tag-3.php * 3. tag.php * * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'} * and {@see '$type_template'} dynamic hooks, where `$type` is 'tag'. * * @since 2.3.0 * @since 4.7.0 The decoded form of `tag-{slug}.php` was added to the top of the * template hierarchy when the tag slug contains multibyte characters. * * @see get_query_template() * * @return string Full path to tag template file. */ function get_tag_template() { $tag = get_queried_object(); $templates = array(); if ( ! empty( $tag->slug ) ) { $slug_decoded = urldecode( $tag->slug ); if ( $slug_decoded !== $tag->slug ) { $templates[] = "tag-{$slug_decoded}.php"; } $templates[] = "tag-{$tag->slug}.php"; $templates[] = "tag-{$tag->term_id}.php"; } $templates[] = 'tag.php'; return get_query_template( 'tag', $templates ); } /** * Retrieves path of custom taxonomy term template in current or parent template. * * The hierarchy for this template looks like: * * 1. taxonomy-{taxonomy_slug}-{term_slug}.php * 2. taxonomy-{taxonomy_slug}.php * 3. taxonomy.php * * An example of this is: * * 1. taxonomy-location-texas.php * 2. taxonomy-location.php * 3. taxonomy.php * * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'} * and {@see '$type_template'} dynamic hooks, where `$type` is 'taxonomy'. * * @since 2.5.0 * @since 4.7.0 The decoded form of `taxonomy-{taxonomy_slug}-{term_slug}.php` was added to the top of the * template hierarchy when the term slug contains multibyte characters. * * @see get_query_template() * * @return string Full path to custom taxonomy term template file. */ function get_taxonomy_template() { $term = get_queried_object(); $templates = array(); if ( ! empty( $term->slug ) ) { $taxonomy = $term->taxonomy; $slug_decoded = urldecode( $term->slug ); if ( $slug_decoded !== $term->slug ) { $templates[] = "taxonomy-$taxonomy-{$slug_decoded}.php"; } $templates[] = "taxonomy-$taxonomy-{$term->slug}.php"; $templates[] = "taxonomy-$taxonomy.php"; } $templates[] = 'taxonomy.php'; return get_query_template( 'taxonomy', $templates ); } /** * Retrieves path of date template in current or parent template. * * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'} * and {@see '$type_template'} dynamic hooks, where `$type` is 'date'. * * @since 1.5.0 * * @see get_query_template() * * @return string Full path to date template file. */ function get_date_template() { return get_query_template( 'date' ); } /** * Retrieves path of home template in current or parent template. * * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'} * and {@see '$type_template'} dynamic hooks, where `$type` is 'home'. * * @since 1.5.0 * * @see get_query_template() * * @return string Full path to home template file. */ function get_home_template() { $templates = array( 'home.php', 'index.php' ); return get_query_template( 'home', $templates ); } /** * Retrieves path of front page template in current or parent template. * * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'} * and {@see '$type_template'} dynamic hooks, where `$type` is 'frontpage'. * * @since 3.0.0 * * @see get_query_template() * * @return string Full path to front page template file. */ function get_front_page_template() { $templates = array( 'front-page.php' ); return get_query_template( 'frontpage', $templates ); } /** * Retrieves path of Privacy Policy page template in current or parent template. * * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'} * and {@see '$type_template'} dynamic hooks, where `$type` is 'privacypolicy'. * * @since 5.2.0 * * @see get_query_template() * * @return string Full path to privacy policy template file. */ function get_privacy_policy_template() { $templates = array( 'privacy-policy.php' ); return get_query_template( 'privacypolicy', $templates ); } /** * Retrieves path of page template in current or parent template. * * Note: For block themes, use locate_block_template() function instead. * * The hierarchy for this template looks like: * * 1. {Page Template}.php * 2. page-{page_name}.php * 3. page-{id}.php * 4. page.php * * An example of this is: * * 1. page-templates/full-width.php * 2. page-about.php * 3. page-4.php * 4. page.php * * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'} * and {@see '$type_template'} dynamic hooks, where `$type` is 'page'. * * @since 1.5.0 * @since 4.7.0 The decoded form of `page-{page_name}.php` was added to the top of the * template hierarchy when the page name contains multibyte characters. * * @see get_query_template() * * @return string Full path to page template file. */ function get_page_template() { $id = get_queried_object_id(); $template = get_page_template_slug(); $pagename = get_query_var( 'pagename' ); if ( ! $pagename && $id ) { /* * If a static page is set as the front page, $pagename will not be set. * Retrieve it from the queried object. */ $post = get_queried_object(); if ( $post ) { $pagename = $post->post_name; } } $templates = array(); if ( $template && 0 === validate_file( $template ) ) { $templates[] = $template; } if ( $pagename ) { $pagename_decoded = urldecode( $pagename ); if ( $pagename_decoded !== $pagename ) { $templates[] = "page-{$pagename_decoded}.php"; } $templates[] = "page-{$pagename}.php"; } if ( $id ) { $templates[] = "page-{$id}.php"; } $templates[] = 'page.php'; return get_query_template( 'page', $templates ); } /** * Retrieves path of search template in current or parent template. * * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'} * and {@see '$type_template'} dynamic hooks, where `$type` is 'search'. * * @since 1.5.0 * * @see get_query_template() * * @return string Full path to search template file. */ function get_search_template() { return get_query_template( 'search' ); } /** * Retrieves path of single template in current or parent template. Applies to single Posts, * single Attachments, and single custom post types. * * The hierarchy for this template looks like: * * 1. {Post Type Template}.php * 2. single-{post_type}-{post_name}.php * 3. single-{post_type}.php * 4. single.php * * An example of this is: * * 1. templates/full-width.php * 2. single-post-hello-world.php * 3. single-post.php * 4. single.php * * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'} * and {@see '$type_template'} dynamic hooks, where `$type` is 'single'. * * @since 1.5.0 * @since 4.4.0 `single-{post_type}-{post_name}.php` was added to the top of the template hierarchy. * @since 4.7.0 The decoded form of `single-{post_type}-{post_name}.php` was added to the top of the * template hierarchy when the post name contains multibyte characters. * @since 4.7.0 `{Post Type Template}.php` was added to the top of the template hierarchy. * * @see get_query_template() * * @return string Full path to single template file. */ function get_single_template() { $object = get_queried_object(); $templates = array(); if ( ! empty( $object->post_type ) ) { $template = get_page_template_slug( $object ); if ( $template && 0 === validate_file( $template ) ) { $templates[] = $template; } $name_decoded = urldecode( $object->post_name ); if ( $name_decoded !== $object->post_name ) { $templates[] = "single-{$object->post_type}-{$name_decoded}.php"; } $templates[] = "single-{$object->post_type}-{$object->post_name}.php"; $templates[] = "single-{$object->post_type}.php"; } $templates[] = 'single.php'; return get_query_template( 'single', $templates ); } /** * Retrieves an embed template path in the current or parent template. * * The hierarchy for this template looks like: * * 1. embed-{post_type}-{post_format}.php * 2. embed-{post_type}.php * 3. embed.php * * An example of this is: * * 1. embed-post-audio.php * 2. embed-post.php * 3. embed.php * * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'} * and {@see '$type_template'} dynamic hooks, where `$type` is 'embed'. * * @since 4.5.0 * * @see get_query_template() * * @return string Full path to embed template file. */ function get_embed_template() { $object = get_queried_object(); $templates = array(); if ( ! empty( $object->post_type ) ) { $post_format = get_post_format( $object ); if ( $post_format ) { $templates[] = "embed-{$object->post_type}-{$post_format}.php"; } $templates[] = "embed-{$object->post_type}.php"; } $templates[] = 'embed.php'; return get_query_template( 'embed', $templates ); } /** * Retrieves the path of the singular template in current or parent template. * * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'} * and {@see '$type_template'} dynamic hooks, where `$type` is 'singular'. * * @since 4.3.0 * * @see get_query_template() * * @return string Full path to singular template file */ function get_singular_template() { return get_query_template( 'singular' ); } /** * Retrieves path of attachment template in current or parent template. * * The hierarchy for this template looks like: * * 1. {mime_type}-{sub_type}.php * 2. {sub_type}.php * 3. {mime_type}.php * 4. attachment.php * * An example of this is: * * 1. image-jpeg.php * 2. jpeg.php * 3. image.php * 4. attachment.php * * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'} * and {@see '$type_template'} dynamic hooks, where `$type` is 'attachment'. * * @since 2.0.0 * @since 4.3.0 The order of the mime type logic was reversed so the hierarchy is more logical. * * @see get_query_template() * * @return string Full path to attachment template file. */ function get_attachment_template() { $attachment = get_queried_object(); $templates = array(); if ( $attachment ) { if ( str_contains( $attachment->post_mime_type, '/' ) ) { list( $type, $subtype ) = explode( '/', $attachment->post_mime_type ); } else { list( $type, $subtype ) = array( $attachment->post_mime_type, '' ); } if ( ! empty( $subtype ) ) { $templates[] = "{$type}-{$subtype}.php"; $templates[] = "{$subtype}.php"; } $templates[] = "{$type}.php"; } $templates[] = 'attachment.php'; return get_query_template( 'attachment', $templates ); } /** * Set up the globals used for template loading. * * @since 6.5.0 * * @global string $wp_stylesheet_path Path to current theme's stylesheet directory. * @global string $wp_template_path Path to current theme's template directory. */ function wp_set_template_globals() { global $wp_stylesheet_path, $wp_template_path; $wp_stylesheet_path = get_stylesheet_directory(); $wp_template_path = get_template_directory(); } /** * Retrieves the name of the highest priority template file that exists. * * Searches in the stylesheet directory before the template directory and * wp-includes/theme-compat so that themes which inherit from a parent theme * can just overload one file. * * @since 2.7.0 * @since 5.5.0 The `$args` parameter was added. * * @global string $wp_stylesheet_path Path to current theme's stylesheet directory. * @global string $wp_template_path Path to current theme's template directory. * * @param string|array $template_names Template file(s) to search for, in order. * @param bool $load If true the template file will be loaded if it is found. * @param bool $load_once Whether to require_once or require. Has no effect if `$load` is false. * Default true. * @param array $args Optional. Additional arguments passed to the template. * Default empty array. * @return string The template filename if one is located. */ function locate_template( $template_names, $load = false, $load_once = true, $args = array() ) { global $wp_stylesheet_path, $wp_template_path; if ( ! isset( $wp_stylesheet_path ) || ! isset( $wp_template_path ) ) { wp_set_template_globals(); } $is_child_theme = is_child_theme(); $located = ''; foreach ( (array) $template_names as $template_name ) { if ( ! $template_name ) { continue; } if ( file_exists( $wp_stylesheet_path . '/' . $template_name ) ) { $located = $wp_stylesheet_path . '/' . $template_name; break; } elseif ( $is_child_theme && file_exists( $wp_template_path . '/' . $template_name ) ) { $located = $wp_template_path . '/' . $template_name; break; } elseif ( file_exists( ABSPATH . WPINC . '/theme-compat/' . $template_name ) ) { $located = ABSPATH . WPINC . '/theme-compat/' . $template_name; break; } } if ( $load && '' !== $located ) { load_template( $located, $load_once, $args ); } return $located; } /** * Requires the template file with WordPress environment. * * The globals are set up for the template file to ensure that the WordPress * environment is available from within the function. The query variables are * also available. * * @since 1.5.0 * @since 5.5.0 The `$args` parameter was added. * * @global array $posts * @global WP_Post $post Global post object. * @global bool $wp_did_header * @global WP_Query $wp_query WordPress Query object. * @global WP_Rewrite $wp_rewrite WordPress rewrite component. * @global wpdb $wpdb WordPress database abstraction object. * @global string $wp_version * @global WP $wp Current WordPress environment instance. * @global int $id * @global WP_Comment $comment Global comment object. * @global int $user_ID * * @param string $_template_file Path to template file. * @param bool $load_once Whether to require_once or require. Default true. * @param array $args Optional. Additional arguments passed to the template. * Default empty array. */ function load_template( $_template_file, $load_once = true, $args = array() ) { global $posts, $post, $wp_did_header, $wp_query, $wp_rewrite, $wpdb, $wp_version, $wp, $id, $comment, $user_ID; if ( is_array( $wp_query->query_vars ) ) { /* * This use of extract() cannot be removed. There are many possible ways that * templates could depend on variables that it creates existing, and no way to * detect and deprecate it. * * Passing the EXTR_SKIP flag is the safest option, ensuring globals and * function variables cannot be overwritten. */ // phpcs:ignore WordPress.PHP.DontExtract.extract_extract extract( $wp_query->query_vars, EXTR_SKIP ); } if ( isset( $s ) ) { $s = esc_attr( $s ); } /** * Fires before a template file is loaded. * * @since 6.1.0 * * @param string $_template_file The full path to the template file. * @param bool $load_once Whether to require_once or require. * @param array $args Additional arguments passed to the template. */ do_action( 'wp_before_load_template', $_template_file, $load_once, $args ); if ( $load_once ) { require_once $_template_file; } else { require $_template_file; } /** * Fires after a template file is loaded. * * @since 6.1.0 * * @param string $_template_file The full path to the template file. * @param bool $load_once Whether to require_once or require. * @param array $args Additional arguments passed to the template. */ do_action( 'wp_after_load_template', $_template_file, $load_once, $args ); } /** * Rewrite API: WP_Rewrite class * * @package WordPress * @subpackage Rewrite * @since 1.5.0 */ /** * Core class used to implement a rewrite component API. * * The WordPress Rewrite class writes the rewrite module rules to the .htaccess * file. It also handles parsing the request to get the correct setup for the * WordPress Query class. * * The Rewrite along with WP class function as a front controller for WordPress. * You can add rules to trigger your page view and processing using this * component. The full functionality of a front controller does not exist, * meaning you can't define how the template files load based on the rewrite * rules. * * @since 1.5.0 */ #[AllowDynamicProperties] class WP_Rewrite { /** * Permalink structure for posts. * * @since 1.5.0 * @var string */ public $permalink_structure; /** * Whether to add trailing slashes. * * @since 2.2.0 * @var bool */ public $use_trailing_slashes; /** * Base for the author permalink structure (example.com/$author_base/authorname). * * @since 1.5.0 * @var string */ public $author_base = 'author'; /** * Permalink structure for author archives. * * @since 1.5.0 * @var string */ public $author_structure; /** * Permalink structure for date archives. * * @since 1.5.0 * @var string */ public $date_structure; /** * Permalink structure for pages. * * @since 1.5.0 * @var string */ public $page_structure; /** * Base of the search permalink structure (example.com/$search_base/query). * * @since 1.5.0 * @var string */ public $search_base = 'search'; /** * Permalink structure for searches. * * @since 1.5.0 * @var string */ public $search_structure; /** * Comments permalink base. * * @since 1.5.0 * @var string */ public $comments_base = 'comments'; /** * Pagination permalink base. * * @since 3.1.0 * @var string */ public $pagination_base = 'page'; /** * Comments pagination permalink base. * * @since 4.2.0 * @var string */ public $comments_pagination_base = 'comment-page'; /** * Feed permalink base. * * @since 1.5.0 * @var string */ public $feed_base = 'feed'; /** * Comments feed permalink structure. * * @since 1.5.0 * @var string */ public $comment_feed_structure; /** * Feed request permalink structure. * * @since 1.5.0 * @var string */ public $feed_structure; /** * The static portion of the post permalink structure. * * If the permalink structure is "/archive/%post_id%" then the front * is "/archive/". If the permalink structure is "/%year%/%postname%/" * then the front is "/". * * @since 1.5.0 * @var string * * @see WP_Rewrite::init() */ public $front; /** * The prefix for all permalink structures. * * If PATHINFO/index permalinks are in use then the root is the value of * `WP_Rewrite::$index` with a trailing slash appended. Otherwise the root * will be empty. * * @since 1.5.0 * @var string * * @see WP_Rewrite::init() * @see WP_Rewrite::using_index_permalinks() */ public $root = ''; /** * The name of the index file which is the entry point to all requests. * * @since 1.5.0 * @var string */ public $index = 'index.php'; /** * Variable name to use for regex matches in the rewritten query. * * @since 1.5.0 * @var string */ public $matches = ''; /** * Rewrite rules to match against the request to find the redirect or query. * * @since 1.5.0 * @var string[] */ public $rules; /** * Additional rules added external to the rewrite class. * * Those not generated by the class, see add_rewrite_rule(). * * @since 2.1.0 * @var string[] */ public $extra_rules = array(); /** * Additional rules that belong at the beginning to match first. * * Those not generated by the class, see add_rewrite_rule(). * * @since 2.3.0 * @var string[] */ public $extra_rules_top = array(); /** * Rules that don't redirect to WordPress' index.php. * * These rules are written to the mod_rewrite portion of the .htaccess, * and are added by add_external_rule(). * * @since 2.1.0 * @var string[] */ public $non_wp_rules = array(); /** * Extra permalink structures, e.g. categories, added by add_permastruct(). * * @since 2.1.0 * @var array[] */ public $extra_permastructs = array(); /** * Endpoints (like /trackback/) added by add_rewrite_endpoint(). * * @since 2.1.0 * @var array[] */ public $endpoints; /** * Whether to write every mod_rewrite rule for WordPress into the .htaccess file. * * This is off by default, turning it on might print a lot of rewrite rules * to the .htaccess file. * * @since 2.0.0 * @var bool * * @see WP_Rewrite::mod_rewrite_rules() */ public $use_verbose_rules = false; /** * Could post permalinks be confused with those of pages? * * If the first rewrite tag in the post permalink structure is one that could * also match a page name (e.g. %postname% or %author%) then this flag is * set to true. Prior to WordPress 3.3 this flag indicated that every page * would have a set of rules added to the top of the rewrite rules array. * Now it tells WP::parse_request() to check if a URL matching the page * permastruct is actually a page before accepting it. * * @since 2.5.0 * @var bool * * @see WP_Rewrite::init() */ public $use_verbose_page_rules = true; /** * Rewrite tags that can be used in permalink structures. * * These are translated into the regular expressions stored in * `WP_Rewrite::$rewritereplace` and are rewritten to the query * variables listed in WP_Rewrite::$queryreplace. * * Additional tags can be added with add_rewrite_tag(). * * @since 1.5.0 * @var string[] */ public $rewritecode = array( '%year%', '%monthnum%', '%day%', '%hour%', '%minute%', '%second%', '%postname%', '%post_id%', '%author%', '%pagename%', '%search%', ); /** * Regular expressions to be substituted into rewrite rules in place * of rewrite tags, see WP_Rewrite::$rewritecode. * * @since 1.5.0 * @var string[] */ public $rewritereplace = array( '([0-9]{4})', '([0-9]{1,2})', '([0-9]{1,2})', '([0-9]{1,2})', '([0-9]{1,2})', '([0-9]{1,2})', '([^/]+)', '([0-9]+)', '([^/]+)', '([^/]+?)', '(.+)', ); /** * Query variables that rewrite tags map to, see WP_Rewrite::$rewritecode. * * @since 1.5.0 * @var string[] */ public $queryreplace = array( 'year=', 'monthnum=', 'day=', 'hour=', 'minute=', 'second=', 'name=', 'p=', 'author_name=', 'pagename=', 's=', ); /** * Supported default feeds. * * @since 1.5.0 * @var string[] */ public $feeds = array( 'feed', 'rdf', 'rss', 'rss2', 'atom' ); /** * Determines whether permalinks are being used. * * This can be either rewrite module or permalink in the HTTP query string. * * @since 1.5.0 * * @return bool True, if permalinks are enabled. */ public function using_permalinks() { return ! empty( $this->permalink_structure ); } /** * Determines whether permalinks are being used and rewrite module is not enabled. * * Means that permalink links are enabled and index.php is in the URL. * * @since 1.5.0 * * @return bool Whether permalink links are enabled and index.php is in the URL. */ public function using_index_permalinks() { if ( empty( $this->permalink_structure ) ) { return false; } // If the index is not in the permalink, we're using mod_rewrite. return preg_match( '#^/*' . $this->index . '#', $this->permalink_structure ); } /** * Determines whether permalinks are being used and rewrite module is enabled. * * Using permalinks and index.php is not in the URL. * * @since 1.5.0 * * @return bool Whether permalink links are enabled and index.php is NOT in the URL. */ public function using_mod_rewrite_permalinks() { return $this->using_permalinks() && ! $this->using_index_permalinks(); } /** * Indexes for matches for usage in preg_*() functions. * * The format of the string is, with empty matches property value, '$NUM'. * The 'NUM' will be replaced with the value in the $number parameter. With * the matches property not empty, the value of the returned string will * contain that value of the matches property. The format then will be * '$MATCHES[NUM]', with MATCHES as the value in the property and NUM the * value of the $number parameter. * * @since 1.5.0 * * @param int $number Index number. * @return string */ public function preg_index( $number ) { $match_prefix = '$'; $match_suffix = ''; if ( ! empty( $this->matches ) ) { $match_prefix = '$' . $this->matches . '['; $match_suffix = ']'; } return "$match_prefix$number$match_suffix"; } /** * Retrieves all pages and attachments for pages URIs. * * The attachments are for those that have pages as parents and will be * retrieved. * * @since 2.5.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @return array Array of page URIs as first element and attachment URIs as second element. */ public function page_uri_index() { global $wpdb; // Get pages in order of hierarchy, i.e. children after parents. $pages = $wpdb->get_results( "SELECT ID, post_name, post_parent FROM $wpdb->posts WHERE post_type = 'page' AND post_status != 'auto-draft'" ); $posts = get_page_hierarchy( $pages ); // If we have no pages get out quick. if ( ! $posts ) { return array( array(), array() ); } // Now reverse it, because we need parents after children for rewrite rules to work properly. $posts = array_reverse( $posts, true ); $page_uris = array(); $page_attachment_uris = array(); foreach ( $posts as $id => $post ) { // URL => page name. $uri = get_page_uri( $id ); $attachments = $wpdb->get_results( $wpdb->prepare( "SELECT ID, post_name, post_parent FROM $wpdb->posts WHERE post_type = 'attachment' AND post_parent = %d", $id ) ); if ( ! empty( $attachments ) ) { foreach ( $attachments as $attachment ) { $attach_uri = get_page_uri( $attachment->ID ); $page_attachment_uris[ $attach_uri ] = $attachment->ID; } } $page_uris[ $uri ] = $id; } return array( $page_uris, $page_attachment_uris ); } /** * Retrieves all of the rewrite rules for pages. * * @since 1.5.0 * * @return string[] Page rewrite rules. */ public function page_rewrite_rules() { // The extra .? at the beginning prevents clashes with other regular expressions in the rules array. $this->add_rewrite_tag( '%pagename%', '(.?.+?)', 'pagename=' ); return $this->generate_rewrite_rules( $this->get_page_permastruct(), EP_PAGES, true, true, false, false ); } /** * Retrieves date permalink structure, with year, month, and day. * * The permalink structure for the date, if not set already depends on the * permalink structure. It can be one of three formats. The first is year, * month, day; the second is day, month, year; and the last format is month, * day, year. These are matched against the permalink structure for which * one is used. If none matches, then the default will be used, which is * year, month, day. * * Prevents post ID and date permalinks from overlapping. In the case of * post_id, the date permalink will be prepended with front permalink with * 'date/' before the actual permalink to form the complete date permalink * structure. * * @since 1.5.0 * * @return string|false Date permalink structure on success, false on failure. */ public function get_date_permastruct() { if ( isset( $this->date_structure ) ) { return $this->date_structure; } if ( empty( $this->permalink_structure ) ) { $this->date_structure = ''; return false; } // The date permalink must have year, month, and day separated by slashes. $endians = array( '%year%/%monthnum%/%day%', '%day%/%monthnum%/%year%', '%monthnum%/%day%/%year%' ); $this->date_structure = ''; $date_endian = ''; foreach ( $endians as $endian ) { if ( str_contains( $this->permalink_structure, $endian ) ) { $date_endian = $endian; break; } } if ( empty( $date_endian ) ) { $date_endian = '%year%/%monthnum%/%day%'; } /* * Do not allow the date tags and %post_id% to overlap in the permalink * structure. If they do, move the date tags to $front/date/. */ $front = $this->front; preg_match_all( '/%.+?%/', $this->permalink_structure, $tokens ); $tok_index = 1; foreach ( (array) $tokens[0] as $token ) { if ( '%post_id%' === $token && ( $tok_index <= 3 ) ) { $front = $front . 'date/'; break; } ++$tok_index; } $this->date_structure = $front . $date_endian; return $this->date_structure; } /** * Retrieves the year permalink structure without month and day. * * Gets the date permalink structure and strips out the month and day * permalink structures. * * @since 1.5.0 * * @return string|false Year permalink structure on success, false on failure. */ public function get_year_permastruct() { $structure = $this->get_date_permastruct(); if ( empty( $structure ) ) { return false; } $structure = str_replace( '%monthnum%', '', $structure ); $structure = str_replace( '%day%', '', $structure ); $structure = preg_replace( '#/+#', '/', $structure ); return $structure; } /** * Retrieves the month permalink structure without day and with year. * * Gets the date permalink structure and strips out the day permalink * structures. Keeps the year permalink structure. * * @since 1.5.0 * * @return string|false Year/Month permalink structure on success, false on failure. */ public function get_month_permastruct() { $structure = $this->get_date_permastruct(); if ( empty( $structure ) ) { return false; } $structure = str_replace( '%day%', '', $structure ); $structure = preg_replace( '#/+#', '/', $structure ); return $structure; } /** * Retrieves the day permalink structure with month and year. * * Keeps date permalink structure with all year, month, and day. * * @since 1.5.0 * * @return string|false Year/Month/Day permalink structure on success, false on failure. */ public function get_day_permastruct() { return $this->get_date_permastruct(); } /** * Retrieves the permalink structure for categories. * * If the category_base property has no value, then the category structure * will have the front property value, followed by 'category', and finally * '%category%'. If it does, then the root property will be used, along with * the category_base property value. * * @since 1.5.0 * * @return string|false Category permalink structure on success, false on failure. */ public function get_category_permastruct() { return $this->get_extra_permastruct( 'category' ); } /** * Retrieves the permalink structure for tags. * * If the tag_base property has no value, then the tag structure will have * the front property value, followed by 'tag', and finally '%tag%'. If it * does, then the root property will be used, along with the tag_base * property value. * * @since 2.3.0 * * @return string|false Tag permalink structure on success, false on failure. */ public function get_tag_permastruct() { return $this->get_extra_permastruct( 'post_tag' ); } /** * Retrieves an extra permalink structure by name. * * @since 2.5.0 * * @param string $name Permalink structure name. * @return string|false Permalink structure string on success, false on failure. */ public function get_extra_permastruct( $name ) { if ( empty( $this->permalink_structure ) ) { return false; } if ( isset( $this->extra_permastructs[ $name ] ) ) { return $this->extra_permastructs[ $name ]['struct']; } return false; } /** * Retrieves the author permalink structure. * * The permalink structure is front property, author base, and finally * '/%author%'. Will set the author_structure property and then return it * without attempting to set the value again. * * @since 1.5.0 * * @return string|false Author permalink structure on success, false on failure. */ public function get_author_permastruct() { if ( isset( $this->author_structure ) ) { return $this->author_structure; } if ( empty( $this->permalink_structure ) ) { $this->author_structure = ''; return false; } $this->author_structure = $this->front . $this->author_base . '/%author%'; return $this->author_structure; } /** * Retrieves the search permalink structure. * * The permalink structure is root property, search base, and finally * '/%search%'. Will set the search_structure property and then return it * without attempting to set the value again. * * @since 1.5.0 * * @return string|false Search permalink structure on success, false on failure. */ public function get_search_permastruct() { if ( isset( $this->search_structure ) ) { return $this->search_structure; } if ( empty( $this->permalink_structure ) ) { $this->search_structure = ''; return false; } $this->search_structure = $this->root . $this->search_base . '/%search%'; return $this->search_structure; } /** * Retrieves the page permalink structure. * * The permalink structure is root property, and '%pagename%'. Will set the * page_structure property and then return it without attempting to set the * value again. * * @since 1.5.0 * * @return string|false Page permalink structure on success, false on failure. */ public function get_page_permastruct() { if ( isset( $this->page_structure ) ) { return $this->page_structure; } if ( empty( $this->permalink_structure ) ) { $this->page_structure = ''; return false; } $this->page_structure = $this->root . '%pagename%'; return $this->page_structure; } /** * Retrieves the feed permalink structure. * * The permalink structure is root property, feed base, and finally * '/%feed%'. Will set the feed_structure property and then return it * without attempting to set the value again. * * @since 1.5.0 * * @return string|false Feed permalink structure on success, false on failure. */ public function get_feed_permastruct() { if ( isset( $this->feed_structure ) ) { return $this->feed_structure; } if ( empty( $this->permalink_structure ) ) { $this->feed_structure = ''; return false; } $this->feed_structure = $this->root . $this->feed_base . '/%feed%'; return $this->feed_structure; } /** * Retrieves the comment feed permalink structure. * * The permalink structure is root property, comment base property, feed * base and finally '/%feed%'. Will set the comment_feed_structure property * and then return it without attempting to set the value again. * * @since 1.5.0 * * @return string|false Comment feed permalink structure on success, false on failure. */ public function get_comment_feed_permastruct() { if ( isset( $this->comment_feed_structure ) ) { return $this->comment_feed_structure; } if ( empty( $this->permalink_structure ) ) { $this->comment_feed_structure = ''; return false; } $this->comment_feed_structure = $this->root . $this->comments_base . '/' . $this->feed_base . '/%feed%'; return $this->comment_feed_structure; } /** * Adds or updates existing rewrite tags (e.g. %postname%). * * If the tag already exists, replace the existing pattern and query for * that tag, otherwise add the new tag. * * @since 1.5.0 * * @see WP_Rewrite::$rewritecode * @see WP_Rewrite::$rewritereplace * @see WP_Rewrite::$queryreplace * * @param string $tag Name of the rewrite tag to add or update. * @param string $regex Regular expression to substitute the tag for in rewrite rules. * @param string $query String to append to the rewritten query. Must end in '='. */ public function add_rewrite_tag( $tag, $regex, $query ) { $position = array_search( $tag, $this->rewritecode, true ); if ( false !== $position && null !== $position ) { $this->rewritereplace[ $position ] = $regex; $this->queryreplace[ $position ] = $query; } else { $this->rewritecode[] = $tag; $this->rewritereplace[] = $regex; $this->queryreplace[] = $query; } } /** * Removes an existing rewrite tag. * * @since 4.5.0 * * @see WP_Rewrite::$rewritecode * @see WP_Rewrite::$rewritereplace * @see WP_Rewrite::$queryreplace * * @param string $tag Name of the rewrite tag to remove. */ public function remove_rewrite_tag( $tag ) { $position = array_search( $tag, $this->rewritecode, true ); if ( false !== $position && null !== $position ) { unset( $this->rewritecode[ $position ] ); unset( $this->rewritereplace[ $position ] ); unset( $this->queryreplace[ $position ] ); } } /** * Generates rewrite rules from a permalink structure. * * The main WP_Rewrite function for building the rewrite rule list. The * contents of the function is a mix of black magic and regular expressions, * so best just ignore the contents and move to the parameters. * * @since 1.5.0 * * @param string $permalink_structure The permalink structure. * @param int $ep_mask Optional. Endpoint mask defining what endpoints are added to the structure. * Accepts a mask of: * - `EP_ALL` * - `EP_NONE` * - `EP_ALL_ARCHIVES` * - `EP_ATTACHMENT` * - `EP_AUTHORS` * - `EP_CATEGORIES` * - `EP_COMMENTS` * - `EP_DATE` * - `EP_DAY` * - `EP_MONTH` * - `EP_PAGES` * - `EP_PERMALINK` * - `EP_ROOT` * - `EP_SEARCH` * - `EP_TAGS` * - `EP_YEAR` * Default `EP_NONE`. * @param bool $paged Optional. Whether archive pagination rules should be added for the structure. * Default true. * @param bool $feed Optional. Whether feed rewrite rules should be added for the structure. * Default true. * @param bool $forcomments Optional. Whether the feed rules should be a query for a comments feed. * Default false. * @param bool $walk_dirs Optional. Whether the 'directories' making up the structure should be walked * over and rewrite rules built for each in-turn. Default true. * @param bool $endpoints Optional. Whether endpoints should be applied to the generated rewrite rules. * Default true. * @return string[] Array of rewrite rules keyed by their regex pattern. */ public function generate_rewrite_rules( $permalink_structure, $ep_mask = EP_NONE, $paged = true, $feed = true, $forcomments = false, $walk_dirs = true, $endpoints = true ) { // Build a regex to match the feed section of URLs, something like (feed|atom|rss|rss2)/? $feedregex2 = ''; foreach ( (array) $this->feeds as $feed_name ) { $feedregex2 .= $feed_name . '|'; } $feedregex2 = '(' . trim( $feedregex2, '|' ) . ')/?$'; /* * $feedregex is identical but with /feed/ added on as well, so URLs like /feed/atom * and /atom are both possible */ $feedregex = $this->feed_base . '/' . $feedregex2; // Build a regex to match the trackback and page/xx parts of URLs. $trackbackregex = 'trackback/?$'; $pageregex = $this->pagination_base . '/?([0-9]{1,})/?$'; $commentregex = $this->comments_pagination_base . '-([0-9]{1,})/?$'; $embedregex = 'embed/?$'; // Build up an array of endpoint regexes to append => queries to append. if ( $endpoints ) { $ep_query_append = array(); foreach ( (array) $this->endpoints as $endpoint ) { // Match everything after the endpoint name, but allow for nothing to appear there. $epmatch = $endpoint[1] . '(/(.*))?/?$'; // This will be appended on to the rest of the query for each dir. $epquery = '&' . $endpoint[2] . '='; $ep_query_append[ $epmatch ] = array( $endpoint[0], $epquery ); } } // Get everything up to the first rewrite tag. $front = substr( $permalink_structure, 0, strpos( $permalink_structure, '%' ) ); // Build an array of the tags (note that said array ends up being in $tokens[0]). preg_match_all( '/%.+?%/', $permalink_structure, $tokens ); $num_tokens = count( $tokens[0] ); $index = $this->index; // Probably 'index.php'. $feedindex = $index; $trackbackindex = $index; $embedindex = $index; /* * Build a list from the rewritecode and queryreplace arrays, that will look something * like tagname=$matches[i] where i is the current $i. */ $queries = array(); for ( $i = 0; $i < $num_tokens; ++$i ) { if ( 0 < $i ) { $queries[ $i ] = $queries[ $i - 1 ] . '&'; } else { $queries[ $i ] = ''; } $query_token = str_replace( $this->rewritecode, $this->queryreplace, $tokens[0][ $i ] ) . $this->preg_index( $i + 1 ); $queries[ $i ] .= $query_token; } // Get the structure, minus any cruft (stuff that isn't tags) at the front. $structure = $permalink_structure; if ( '/' !== $front ) { $structure = str_replace( $front, '', $structure ); } /* * Create a list of dirs to walk over, making rewrite rules for each level * so for example, a $structure of /%year%/%monthnum%/%postname% would create * rewrite rules for /%year%/, /%year%/%monthnum%/ and /%year%/%monthnum%/%postname% */ $structure = trim( $structure, '/' ); $dirs = $walk_dirs ? explode( '/', $structure ) : array( $structure ); $num_dirs = count( $dirs ); // Strip slashes from the front of $front. $front = preg_replace( '|^/+|', '', $front ); // The main workhorse loop. $post_rewrite = array(); $struct = $front; for ( $j = 0; $j < $num_dirs; ++$j ) { // Get the struct for this dir, and trim slashes off the front. $struct .= $dirs[ $j ] . '/'; // Accumulate. see comment near explode('/', $structure) above. $struct = ltrim( $struct, '/' ); // Replace tags with regexes. $match = str_replace( $this->rewritecode, $this->rewritereplace, $struct ); // Make a list of tags, and store how many there are in $num_toks. $num_toks = preg_match_all( '/%.+?%/', $struct, $toks ); // Get the 'tagname=$matches[i]'. $query = ( ! empty( $num_toks ) && isset( $queries[ $num_toks - 1 ] ) ) ? $queries[ $num_toks - 1 ] : ''; // Set up $ep_mask_specific which is used to match more specific URL types. switch ( $dirs[ $j ] ) { case '%year%': $ep_mask_specific = EP_YEAR; break; case '%monthnum%': $ep_mask_specific = EP_MONTH; break; case '%day%': $ep_mask_specific = EP_DAY; break; default: $ep_mask_specific = EP_NONE; } // Create query for /page/xx. $pagematch = $match . $pageregex; $pagequery = $index . '?' . $query . '&paged=' . $this->preg_index( $num_toks + 1 ); // Create query for /comment-page-xx. $commentmatch = $match . $commentregex; $commentquery = $index . '?' . $query . '&cpage=' . $this->preg_index( $num_toks + 1 ); if ( get_option( 'page_on_front' ) ) { // Create query for Root /comment-page-xx. $rootcommentmatch = $match . $commentregex; $rootcommentquery = $index . '?' . $query . '&page_id=' . get_option( 'page_on_front' ) . '&cpage=' . $this->preg_index( $num_toks + 1 ); } // Create query for /feed/(feed|atom|rss|rss2|rdf). $feedmatch = $match . $feedregex; $feedquery = $feedindex . '?' . $query . '&feed=' . $this->preg_index( $num_toks + 1 ); // Create query for /(feed|atom|rss|rss2|rdf) (see comment near creation of $feedregex). $feedmatch2 = $match . $feedregex2; $feedquery2 = $feedindex . '?' . $query . '&feed=' . $this->preg_index( $num_toks + 1 ); // Create query and regex for embeds. $embedmatch = $match . $embedregex; $embedquery = $embedindex . '?' . $query . '&embed=true'; // If asked to, turn the feed queries into comment feed ones. if ( $forcomments ) { $feedquery .= '&withcomments=1'; $feedquery2 .= '&withcomments=1'; } // Start creating the array of rewrites for this dir. $rewrite = array(); // ...adding on /feed/ regexes => queries. if ( $feed ) { $rewrite = array( $feedmatch => $feedquery, $feedmatch2 => $feedquery2, $embedmatch => $embedquery, ); } // ...and /page/xx ones. if ( $paged ) { $rewrite = array_merge( $rewrite, array( $pagematch => $pagequery ) ); } // Only on pages with comments add ../comment-page-xx/. if ( EP_PAGES & $ep_mask || EP_PERMALINK & $ep_mask ) { $rewrite = array_merge( $rewrite, array( $commentmatch => $commentquery ) ); } elseif ( EP_ROOT & $ep_mask && get_option( 'page_on_front' ) ) { $rewrite = array_merge( $rewrite, array( $rootcommentmatch => $rootcommentquery ) ); } // Do endpoints. if ( $endpoints ) { foreach ( (array) $ep_query_append as $regex => $ep ) { // Add the endpoints on if the mask fits. if ( $ep[0] & $ep_mask || $ep[0] & $ep_mask_specific ) { $rewrite[ $match . $regex ] = $index . '?' . $query . $ep[1] . $this->preg_index( $num_toks + 2 ); } } } // If we've got some tags in this dir. if ( $num_toks ) { $post = false; $page = false; /* * Check to see if this dir is permalink-level: i.e. the structure specifies an * individual post. Do this by checking it contains at least one of 1) post name, * 2) post ID, 3) page name, 4) timestamp (year, month, day, hour, second and * minute all present). Set these flags now as we need them for the endpoints. */ if ( str_contains( $struct, '%postname%' ) || str_contains( $struct, '%post_id%' ) || str_contains( $struct, '%pagename%' ) || ( str_contains( $struct, '%year%' ) && str_contains( $struct, '%monthnum%' ) && str_contains( $struct, '%day%' ) && str_contains( $struct, '%hour%' ) && str_contains( $struct, '%minute%' ) && str_contains( $struct, '%second%' ) ) ) { $post = true; if ( str_contains( $struct, '%pagename%' ) ) { $page = true; } } if ( ! $post ) { // For custom post types, we need to add on endpoints as well. foreach ( get_post_types( array( '_builtin' => false ) ) as $ptype ) { if ( str_contains( $struct, "%$ptype%" ) ) { $post = true; // This is for page style attachment URLs. $page = is_post_type_hierarchical( $ptype ); break; } } } // If creating rules for a permalink, do all the endpoints like attachments etc. if ( $post ) { // Create query and regex for trackback. $trackbackmatch = $match . $trackbackregex; $trackbackquery = $trackbackindex . '?' . $query . '&tb=1'; // Create query and regex for embeds. $embedmatch = $match . $embedregex; $embedquery = $embedindex . '?' . $query . '&embed=true'; // Trim slashes from the end of the regex for this dir. $match = rtrim( $match, '/' ); // Get rid of brackets. $submatchbase = str_replace( array( '(', ')' ), '', $match ); // Add a rule for at attachments, which take the form of /some-text. $sub1 = $submatchbase . '/([^/]+)/'; // Add trackback regex /trackback/... $sub1tb = $sub1 . $trackbackregex; // And /feed/(atom|...) $sub1feed = $sub1 . $feedregex; // And /(feed|atom...) $sub1feed2 = $sub1 . $feedregex2; // And /comment-page-xx $sub1comment = $sub1 . $commentregex; // And /embed/... $sub1embed = $sub1 . $embedregex; /* * Add another rule to match attachments in the explicit form: * /attachment/some-text */ $sub2 = $submatchbase . '/attachment/([^/]+)/'; // And add trackbacks /attachment/trackback. $sub2tb = $sub2 . $trackbackregex; // Feeds, /attachment/feed/(atom|...) $sub2feed = $sub2 . $feedregex; // And feeds again on to this /attachment/(feed|atom...) $sub2feed2 = $sub2 . $feedregex2; // And /comment-page-xx $sub2comment = $sub2 . $commentregex; // And /embed/... $sub2embed = $sub2 . $embedregex; // Create queries for these extra tag-ons we've just dealt with. $subquery = $index . '?attachment=' . $this->preg_index( 1 ); $subtbquery = $subquery . '&tb=1'; $subfeedquery = $subquery . '&feed=' . $this->preg_index( 2 ); $subcommentquery = $subquery . '&cpage=' . $this->preg_index( 2 ); $subembedquery = $subquery . '&embed=true'; // Do endpoints for attachments. if ( ! empty( $endpoints ) ) { foreach ( (array) $ep_query_append as $regex => $ep ) { if ( $ep[0] & EP_ATTACHMENT ) { $rewrite[ $sub1 . $regex ] = $subquery . $ep[1] . $this->preg_index( 3 ); $rewrite[ $sub2 . $regex ] = $subquery . $ep[1] . $this->preg_index( 3 ); } } } /* * Now we've finished with endpoints, finish off the $sub1 and $sub2 matches * add a ? as we don't have to match that last slash, and finally a $ so we * match to the end of the URL */ $sub1 .= '?$'; $sub2 .= '?$'; /* * Post pagination, e.g. /2/ * Previously: '(/[0-9]+)?/?$', which produced '/2' for page. * When cast to int, returned 0. */ $match = $match . '(?:/([0-9]+))?/?$'; $query = $index . '?' . $query . '&page=' . $this->preg_index( $num_toks + 1 ); // Not matching a permalink so this is a lot simpler. } else { // Close the match and finalize the query. $match .= '?$'; $query = $index . '?' . $query; } /* * Create the final array for this dir by joining the $rewrite array (which currently * only contains rules/queries for trackback, pages etc) to the main regex/query for * this dir */ $rewrite = array_merge( $rewrite, array( $match => $query ) ); // If we're matching a permalink, add those extras (attachments etc) on. if ( $post ) { // Add trackback. $rewrite = array_merge( array( $trackbackmatch => $trackbackquery ), $rewrite ); // Add embed. $rewrite = array_merge( array( $embedmatch => $embedquery ), $rewrite ); // Add regexes/queries for attachments, attachment trackbacks and so on. if ( ! $page ) { // Require /attachment/stuff form for pages because of confusion with subpages. $rewrite = array_merge( $rewrite, array( $sub1 => $subquery, $sub1tb => $subtbquery, $sub1feed => $subfeedquery, $sub1feed2 => $subfeedquery, $sub1comment => $subcommentquery, $sub1embed => $subembedquery, ) ); } $rewrite = array_merge( array( $sub2 => $subquery, $sub2tb => $subtbquery, $sub2feed => $subfeedquery, $sub2feed2 => $subfeedquery, $sub2comment => $subcommentquery, $sub2embed => $subembedquery, ), $rewrite ); } } // Add the rules for this dir to the accumulating $post_rewrite. $post_rewrite = array_merge( $rewrite, $post_rewrite ); } // The finished rules. phew! return $post_rewrite; } /** * Generates rewrite rules with permalink structure and walking directory only. * * Shorten version of WP_Rewrite::generate_rewrite_rules() that allows for shorter * list of parameters. See the method for longer description of what generating * rewrite rules does. * * @since 1.5.0 * * @see WP_Rewrite::generate_rewrite_rules() See for long description and rest of parameters. * * @param string $permalink_structure The permalink structure to generate rules. * @param bool $walk_dirs Optional. Whether to create list of directories to walk over. * Default false. * @return array An array of rewrite rules keyed by their regex pattern. */ public function generate_rewrite_rule( $permalink_structure, $walk_dirs = false ) { return $this->generate_rewrite_rules( $permalink_structure, EP_NONE, false, false, false, $walk_dirs ); } /** * Constructs rewrite matches and queries from permalink structure. * * Runs the action {@see 'generate_rewrite_rules'} with the parameter that is an * reference to the current WP_Rewrite instance to further manipulate the * permalink structures and rewrite rules. Runs the {@see 'rewrite_rules_array'} * filter on the full rewrite rule array. * * There are two ways to manipulate the rewrite rules, one by hooking into * the {@see 'generate_rewrite_rules'} action and gaining full control of the * object or just manipulating the rewrite rule array before it is passed * from the function. * * @since 1.5.0 * * @return string[] An associative array of matches and queries. */ public function rewrite_rules() { $rewrite = array(); if ( empty( $this->permalink_structure ) ) { return $rewrite; } // robots.txt -- only if installed at the root. $home_path = parse_url( home_url() ); $robots_rewrite = ( empty( $home_path['path'] ) || '/' === $home_path['path'] ) ? array( 'robots\.txt$' => $this->index . '?robots=1' ) : array(); // favicon.ico -- only if installed at the root. $favicon_rewrite = ( empty( $home_path['path'] ) || '/' === $home_path['path'] ) ? array( 'favicon\.ico$' => $this->index . '?favicon=1' ) : array(); // sitemap.xml -- only if installed at the root. $sitemap_rewrite = ( empty( $home_path['path'] ) || '/' === $home_path['path'] ) ? array( 'sitemap\.xml' => $this->index . '??sitemap=index' ) : array(); // Old feed and service files. $deprecated_files = array( '.*wp-(atom|rdf|rss|rss2|feed|commentsrss2)\.php$' => $this->index . '?feed=old', '.*wp-app\.php(/.*)?$' => $this->index . '?error=403', ); // Registration rules. $registration_pages = array(); if ( is_multisite() && is_main_site() ) { $registration_pages['.*wp-signup.php$'] = $this->index . '?signup=true'; $registration_pages['.*wp-activate.php$'] = $this->index . '?activate=true'; } // Deprecated. $registration_pages['.*wp-register.php$'] = $this->index . '?register=true'; // Post rewrite rules. $post_rewrite = $this->generate_rewrite_rules( $this->permalink_structure, EP_PERMALINK ); /** * Filters rewrite rules used for "post" archives. * * @since 1.5.0 * * @param string[] $post_rewrite Array of rewrite rules for posts, keyed by their regex pattern. */ $post_rewrite = apply_filters( 'post_rewrite_rules', $post_rewrite ); // Date rewrite rules. $date_rewrite = $this->generate_rewrite_rules( $this->get_date_permastruct(), EP_DATE ); /** * Filters rewrite rules used for date archives. * * Likely date archives would include `/yyyy/`, `/yyyy/mm/`, and `/yyyy/mm/dd/`. * * @since 1.5.0 * * @param string[] $date_rewrite Array of rewrite rules for date archives, keyed by their regex pattern. */ $date_rewrite = apply_filters( 'date_rewrite_rules', $date_rewrite ); // Root-level rewrite rules. $root_rewrite = $this->generate_rewrite_rules( $this->root . '/', EP_ROOT ); /** * Filters rewrite rules used for root-level archives. * * Likely root-level archives would include pagination rules for the homepage * as well as site-wide post feeds (e.g. `/feed/`, and `/feed/atom/`). * * @since 1.5.0 * * @param string[] $root_rewrite Array of root-level rewrite rules, keyed by their regex pattern. */ $root_rewrite = apply_filters( 'root_rewrite_rules', $root_rewrite ); // Comments rewrite rules. $comments_rewrite = $this->generate_rewrite_rules( $this->root . $this->comments_base, EP_COMMENTS, false, true, true, false ); /** * Filters rewrite rules used for comment feed archives. * * Likely comments feed archives include `/comments/feed/` and `/comments/feed/atom/`. * * @since 1.5.0 * * @param string[] $comments_rewrite Array of rewrite rules for the site-wide comments feeds, keyed by their regex pattern. */ $comments_rewrite = apply_filters( 'comments_rewrite_rules', $comments_rewrite ); // Search rewrite rules. $search_structure = $this->get_search_permastruct(); $search_rewrite = $this->generate_rewrite_rules( $search_structure, EP_SEARCH ); /** * Filters rewrite rules used for search archives. * * Likely search-related archives include `/search/search+query/` as well as * pagination and feed paths for a search. * * @since 1.5.0 * * @param string[] $search_rewrite Array of rewrite rules for search queries, keyed by their regex pattern. */ $search_rewrite = apply_filters( 'search_rewrite_rules', $search_rewrite ); // Author rewrite rules. $author_rewrite = $this->generate_rewrite_rules( $this->get_author_permastruct(), EP_AUTHORS ); /** * Filters rewrite rules used for author archives. * * Likely author archives would include `/author/author-name/`, as well as * pagination and feed paths for author archives. * * @since 1.5.0 * * @param string[] $author_rewrite Array of rewrite rules for author archives, keyed by their regex pattern. */ $author_rewrite = apply_filters( 'author_rewrite_rules', $author_rewrite ); // Pages rewrite rules. $page_rewrite = $this->page_rewrite_rules(); /** * Filters rewrite rules used for "page" post type archives. * * @since 1.5.0 * * @param string[] $page_rewrite Array of rewrite rules for the "page" post type, keyed by their regex pattern. */ $page_rewrite = apply_filters( 'page_rewrite_rules', $page_rewrite ); // Extra permastructs. foreach ( $this->extra_permastructs as $permastructname => $struct ) { if ( is_array( $struct ) ) { if ( count( $struct ) === 2 ) { $rules = $this->generate_rewrite_rules( $struct[0], $struct[1] ); } else { $rules = $this->generate_rewrite_rules( $struct['struct'], $struct['ep_mask'], $struct['paged'], $struct['feed'], $struct['forcomments'], $struct['walk_dirs'], $struct['endpoints'] ); } } else { $rules = $this->generate_rewrite_rules( $struct ); } /** * Filters rewrite rules used for individual permastructs. * * The dynamic portion of the hook name, `$permastructname`, refers * to the name of the registered permastruct. * * Possible hook names include: * * - `category_rewrite_rules` * - `post_format_rewrite_rules` * - `post_tag_rewrite_rules` * * @since 3.1.0 * * @param string[] $rules Array of rewrite rules generated for the current permastruct, keyed by their regex pattern. */ $rules = apply_filters( "{$permastructname}_rewrite_rules", $rules ); if ( 'post_tag' === $permastructname ) { /** * Filters rewrite rules used specifically for Tags. * * @since 2.3.0 * @deprecated 3.1.0 Use {@see 'post_tag_rewrite_rules'} instead. * * @param string[] $rules Array of rewrite rules generated for tags, keyed by their regex pattern. */ $rules = apply_filters_deprecated( 'tag_rewrite_rules', array( $rules ), '3.1.0', 'post_tag_rewrite_rules' ); } $this->extra_rules_top = array_merge( $this->extra_rules_top, $rules ); } // Put them together. if ( $this->use_verbose_page_rules ) { $this->rules = array_merge( $this->extra_rules_top, $robots_rewrite, $favicon_rewrite, $sitemap_rewrite, $deprecated_files, $registration_pages, $root_rewrite, $comments_rewrite, $search_rewrite, $author_rewrite, $date_rewrite, $page_rewrite, $post_rewrite, $this->extra_rules ); } else { $this->rules = array_merge( $this->extra_rules_top, $robots_rewrite, $favicon_rewrite, $sitemap_rewrite, $deprecated_files, $registration_pages, $root_rewrite, $comments_rewrite, $search_rewrite, $author_rewrite, $date_rewrite, $post_rewrite, $page_rewrite, $this->extra_rules ); } /** * Fires after the rewrite rules are generated. * * @since 1.5.0 * * @param WP_Rewrite $wp_rewrite Current WP_Rewrite instance (passed by reference). */ do_action_ref_array( 'generate_rewrite_rules', array( &$this ) ); /** * Filters the full set of generated rewrite rules. * * @since 1.5.0 * * @param string[] $rules The compiled array of rewrite rules, keyed by their regex pattern. */ $this->rules = apply_filters( 'rewrite_rules_array', $this->rules ); return $this->rules; } /** * Retrieves the rewrite rules. * * The difference between this method and WP_Rewrite::rewrite_rules() is that * this method stores the rewrite rules in the 'rewrite_rules' option and retrieves * it. This prevents having to process all of the permalinks to get the rewrite rules * in the form of caching. * * @since 1.5.0 * * @return string[] Array of rewrite rules keyed by their regex pattern. */ public function wp_rewrite_rules() { $this->rules = get_option( 'rewrite_rules' ); if ( empty( $this->rules ) ) { $this->refresh_rewrite_rules(); } return $this->rules; } /** * Refreshes the rewrite rules, saving the fresh value to the database. * * If the {@see 'wp_loaded'} action has not occurred yet, will postpone saving to the database. * * @since 6.4.0 */ private function refresh_rewrite_rules() { $this->rules = ''; $this->matches = 'matches'; $this->rewrite_rules(); if ( ! did_action( 'wp_loaded' ) ) { /* * It is not safe to save the results right now, as the rules may be partial. * Need to give all rules the chance to register. */ add_action( 'wp_loaded', array( $this, 'flush_rules' ) ); } else { update_option( 'rewrite_rules', $this->rules ); } } /** * Retrieves mod_rewrite-formatted rewrite rules to write to .htaccess. * * Does not actually write to the .htaccess file, but creates the rules for * the process that will. * * Will add the non_wp_rules property rules to the .htaccess file before * the WordPress rewrite rules one. * * @since 1.5.0 * * @return string */ public function mod_rewrite_rules() { if ( ! $this->using_permalinks() ) { return ''; } $site_root = parse_url( site_url() ); if ( isset( $site_root['path'] ) ) { $site_root = trailingslashit( $site_root['path'] ); } $home_root = parse_url( home_url() ); if ( isset( $home_root['path'] ) ) { $home_root = trailingslashit( $home_root['path'] ); } else { $home_root = '/'; } $rules = "\n"; $rules .= "RewriteEngine On\n"; $rules .= "RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]\n"; $rules .= "RewriteBase $home_root\n"; // Prevent -f checks on index.php. $rules .= "RewriteRule ^index\.php$ - [L]\n"; // Add in the rules that don't redirect to WP's index.php (and thus shouldn't be handled by WP at all). foreach ( (array) $this->non_wp_rules as $match => $query ) { // Apache 1.3 does not support the reluctant (non-greedy) modifier. $match = str_replace( '.+?', '.+', $match ); $rules .= 'RewriteRule ^' . $match . ' ' . $home_root . $query . " [QSA,L]\n"; } if ( $this->use_verbose_rules ) { $this->matches = ''; $rewrite = $this->rewrite_rules(); $num_rules = count( $rewrite ); $rules .= "RewriteCond %{REQUEST_FILENAME} -f [OR]\n" . "RewriteCond %{REQUEST_FILENAME} -d\n" . "RewriteRule ^.*$ - [S=$num_rules]\n"; foreach ( (array) $rewrite as $match => $query ) { // Apache 1.3 does not support the reluctant (non-greedy) modifier. $match = str_replace( '.+?', '.+', $match ); if ( str_contains( $query, $this->index ) ) { $rules .= 'RewriteRule ^' . $match . ' ' . $home_root . $query . " [QSA,L]\n"; } else { $rules .= 'RewriteRule ^' . $match . ' ' . $site_root . $query . " [QSA,L]\n"; } } } else { $rules .= "RewriteCond %{REQUEST_FILENAME} !-f\n" . "RewriteCond %{REQUEST_FILENAME} !-d\n" . "RewriteRule . {$home_root}{$this->index} [L]\n"; } $rules .= "\n"; /** * Filters the list of rewrite rules formatted for output to an .htaccess file. * * @since 1.5.0 * * @param string $rules mod_rewrite Rewrite rules formatted for .htaccess. */ $rules = apply_filters( 'mod_rewrite_rules', $rules ); /** * Filters the list of rewrite rules formatted for output to an .htaccess file. * * @since 1.5.0 * @deprecated 1.5.0 Use the {@see 'mod_rewrite_rules'} filter instead. * * @param string $rules mod_rewrite Rewrite rules formatted for .htaccess. */ return apply_filters_deprecated( 'rewrite_rules', array( $rules ), '1.5.0', 'mod_rewrite_rules' ); } /** * Retrieves IIS7 URL Rewrite formatted rewrite rules to write to web.config file. * * Does not actually write to the web.config file, but creates the rules for * the process that will. * * @since 2.8.0 * * @param bool $add_parent_tags Optional. Whether to add parent tags to the rewrite rule sets. * Default false. * @return string IIS7 URL rewrite rule sets. */ public function iis7_url_rewrite_rules( $add_parent_tags = false ) { if ( ! $this->using_permalinks() ) { return ''; } $rules = ''; if ( $add_parent_tags ) { $rules .= ' '; } $rules .= ' '; if ( $add_parent_tags ) { $rules .= ' '; } /** * Filters the list of rewrite rules formatted for output to a web.config. * * @since 2.8.0 * * @param string $rules Rewrite rules formatted for IIS web.config. */ return apply_filters( 'iis7_url_rewrite_rules', $rules ); } /** * Adds a rewrite rule that transforms a URL structure to a set of query vars. * * Any value in the $after parameter that isn't 'bottom' will result in the rule * being placed at the top of the rewrite rules. * * @since 2.1.0 * @since 4.4.0 Array support was added to the `$query` parameter. * * @param string $regex Regular expression to match request against. * @param string|array $query The corresponding query vars for this rewrite rule. * @param string $after Optional. Priority of the new rule. Accepts 'top' * or 'bottom'. Default 'bottom'. */ public function add_rule( $regex, $query, $after = 'bottom' ) { if ( is_array( $query ) ) { $external = false; $query = add_query_arg( $query, 'index.php' ); } else { $index = ! str_contains( $query, '?' ) ? strlen( $query ) : strpos( $query, '?' ); $front = substr( $query, 0, $index ); $external = $front !== $this->index; } // "external" = it doesn't correspond to index.php. if ( $external ) { $this->add_external_rule( $regex, $query ); } else { if ( 'bottom' === $after ) { $this->extra_rules = array_merge( $this->extra_rules, array( $regex => $query ) ); } else { $this->extra_rules_top = array_merge( $this->extra_rules_top, array( $regex => $query ) ); } } } /** * Adds a rewrite rule that doesn't correspond to index.php. * * @since 2.1.0 * * @param string $regex Regular expression to match request against. * @param string $query The corresponding query vars for this rewrite rule. */ public function add_external_rule( $regex, $query ) { $this->non_wp_rules[ $regex ] = $query; } /** * Adds an endpoint, like /trackback/. * * @since 2.1.0 * @since 3.9.0 $query_var parameter added. * @since 4.3.0 Added support for skipping query var registration by passing `false` to `$query_var`. * * @see add_rewrite_endpoint() for full documentation. * @global WP $wp Current WordPress environment instance. * * @param string $name Name of the endpoint. * @param int $places Endpoint mask describing the places the endpoint should be added. * Accepts a mask of: * - `EP_ALL` * - `EP_NONE` * - `EP_ALL_ARCHIVES` * - `EP_ATTACHMENT` * - `EP_AUTHORS` * - `EP_CATEGORIES` * - `EP_COMMENTS` * - `EP_DATE` * - `EP_DAY` * - `EP_MONTH` * - `EP_PAGES` * - `EP_PERMALINK` * - `EP_ROOT` * - `EP_SEARCH` * - `EP_TAGS` * - `EP_YEAR` * @param string|bool $query_var Optional. Name of the corresponding query variable. Pass `false` to * skip registering a query_var for this endpoint. Defaults to the * value of `$name`. */ public function add_endpoint( $name, $places, $query_var = true ) { global $wp; // For backward compatibility, if null has explicitly been passed as `$query_var`, assume `true`. if ( true === $query_var || null === $query_var ) { $query_var = $name; } $this->endpoints[] = array( $places, $name, $query_var ); if ( $query_var ) { $wp->add_query_var( $query_var ); } } /** * Adds a new permalink structure. * * A permalink structure (permastruct) is an abstract definition of a set of rewrite rules; * it is an easy way of expressing a set of regular expressions that rewrite to a set of * query strings. The new permastruct is added to the WP_Rewrite::$extra_permastructs array. * * When the rewrite rules are built by WP_Rewrite::rewrite_rules(), all of these extra * permastructs are passed to WP_Rewrite::generate_rewrite_rules() which transforms them * into the regular expressions that many love to hate. * * The `$args` parameter gives you control over how WP_Rewrite::generate_rewrite_rules() * works on the new permastruct. * * @since 2.5.0 * * @param string $name Name for permalink structure. * @param string $struct Permalink structure (e.g. category/%category%) * @param array $args { * Optional. Arguments for building rewrite rules based on the permalink structure. * Default empty array. * * @type bool $with_front Whether the structure should be prepended with `WP_Rewrite::$front`. * Default true. * @type int $ep_mask The endpoint mask defining which endpoints are added to the structure. * Accepts a mask of: * - `EP_ALL` * - `EP_NONE` * - `EP_ALL_ARCHIVES` * - `EP_ATTACHMENT` * - `EP_AUTHORS` * - `EP_CATEGORIES` * - `EP_COMMENTS` * - `EP_DATE` * - `EP_DAY` * - `EP_MONTH` * - `EP_PAGES` * - `EP_PERMALINK` * - `EP_ROOT` * - `EP_SEARCH` * - `EP_TAGS` * - `EP_YEAR` * Default `EP_NONE`. * @type bool $paged Whether archive pagination rules should be added for the structure. * Default true. * @type bool $feed Whether feed rewrite rules should be added for the structure. Default true. * @type bool $forcomments Whether the feed rules should be a query for a comments feed. Default false. * @type bool $walk_dirs Whether the 'directories' making up the structure should be walked over * and rewrite rules built for each in-turn. Default true. * @type bool $endpoints Whether endpoints should be applied to the generated rules. Default true. * } */ public function add_permastruct( $name, $struct, $args = array() ) { // Back-compat for the old parameters: $with_front and $ep_mask. if ( ! is_array( $args ) ) { $args = array( 'with_front' => $args ); } if ( func_num_args() === 4 ) { $args['ep_mask'] = func_get_arg( 3 ); } $defaults = array( 'with_front' => true, 'ep_mask' => EP_NONE, 'paged' => true, 'feed' => true, 'forcomments' => false, 'walk_dirs' => true, 'endpoints' => true, ); $args = array_intersect_key( $args, $defaults ); $args = wp_parse_args( $args, $defaults ); if ( $args['with_front'] ) { $struct = $this->front . $struct; } else { $struct = $this->root . $struct; } $args['struct'] = $struct; $this->extra_permastructs[ $name ] = $args; } /** * Removes a permalink structure. * * @since 4.5.0 * * @param string $name Name for permalink structure. */ public function remove_permastruct( $name ) { unset( $this->extra_permastructs[ $name ] ); } /** * Removes rewrite rules and then recreate rewrite rules. * * Calls WP_Rewrite::wp_rewrite_rules() after removing the 'rewrite_rules' option. * If the function named 'save_mod_rewrite_rules' exists, it will be called. * * @since 2.0.1 * * @param bool $hard Whether to update .htaccess (hard flush) or just update rewrite_rules option (soft flush). Default is true (hard). */ public function flush_rules( $hard = true ) { static $do_hard_later = null; // Prevent this action from running before everyone has registered their rewrites. if ( ! did_action( 'wp_loaded' ) ) { add_action( 'wp_loaded', array( $this, 'flush_rules' ) ); $do_hard_later = ( isset( $do_hard_later ) ) ? $do_hard_later || $hard : $hard; return; } if ( isset( $do_hard_later ) ) { $hard = $do_hard_later; unset( $do_hard_later ); } $this->refresh_rewrite_rules(); /** * Filters whether a "hard" rewrite rule flush should be performed when requested. * * A "hard" flush updates .htaccess (Apache) or web.config (IIS). * * @since 3.7.0 * * @param bool $hard Whether to flush rewrite rules "hard". Default true. */ if ( ! $hard || ! apply_filters( 'flush_rewrite_rules_hard', true ) ) { return; } if ( function_exists( 'save_mod_rewrite_rules' ) ) { save_mod_rewrite_rules(); } if ( function_exists( 'iis7_save_url_rewrite_rules' ) ) { iis7_save_url_rewrite_rules(); } } /** * Sets up the object's properties. * * The 'use_verbose_page_rules' object property will be set to true if the * permalink structure begins with one of the following: '%postname%', '%category%', * '%tag%', or '%author%'. * * @since 1.5.0 */ public function init() { $this->extra_rules = array(); $this->non_wp_rules = array(); $this->endpoints = array(); $this->permalink_structure = get_option( 'permalink_structure' ); $this->front = substr( $this->permalink_structure, 0, strpos( $this->permalink_structure, '%' ) ); $this->root = ''; if ( $this->using_index_permalinks() ) { $this->root = $this->index . '/'; } unset( $this->author_structure ); unset( $this->date_structure ); unset( $this->page_structure ); unset( $this->search_structure ); unset( $this->feed_structure ); unset( $this->comment_feed_structure ); $this->use_trailing_slashes = str_ends_with( $this->permalink_structure, '/' ); // Enable generic rules for pages if permalink structure doesn't begin with a wildcard. if ( preg_match( '/^[^%]*%(?:postname|category|tag|author)%/', $this->permalink_structure ) ) { $this->use_verbose_page_rules = true; } else { $this->use_verbose_page_rules = false; } } /** * Sets the main permalink structure for the site. * * Will update the 'permalink_structure' option, if there is a difference * between the current permalink structure and the parameter value. Calls * WP_Rewrite::init() after the option is updated. * * Fires the {@see 'permalink_structure_changed'} action once the init call has * processed passing the old and new values * * @since 1.5.0 * * @param string $permalink_structure Permalink structure. */ public function set_permalink_structure( $permalink_structure ) { if ( $this->permalink_structure !== $permalink_structure ) { $old_permalink_structure = $this->permalink_structure; update_option( 'permalink_structure', $permalink_structure ); $this->init(); /** * Fires after the permalink structure is updated. * * @since 2.8.0 * * @param string $old_permalink_structure The previous permalink structure. * @param string $permalink_structure The new permalink structure. */ do_action( 'permalink_structure_changed', $old_permalink_structure, $permalink_structure ); } } /** * Sets the category base for the category permalink. * * Will update the 'category_base' option, if there is a difference between * the current category base and the parameter value. Calls WP_Rewrite::init() * after the option is updated. * * @since 1.5.0 * * @param string $category_base Category permalink structure base. */ public function set_category_base( $category_base ) { if ( get_option( 'category_base' ) !== $category_base ) { update_option( 'category_base', $category_base ); $this->init(); } } /** * Sets the tag base for the tag permalink. * * Will update the 'tag_base' option, if there is a difference between the * current tag base and the parameter value. Calls WP_Rewrite::init() after * the option is updated. * * @since 2.3.0 * * @param string $tag_base Tag permalink structure base. */ public function set_tag_base( $tag_base ) { if ( get_option( 'tag_base' ) !== $tag_base ) { update_option( 'tag_base', $tag_base ); $this->init(); } } /** * Constructor - Calls init(), which runs setup. * * @since 1.5.0 */ public function __construct() { $this->init(); } } /** * Canonical API to handle WordPress Redirecting * * Based on "Permalink Redirect" from Scott Yang and "Enforce www. Preference" * by Mark Jaquith * * @package WordPress * @since 2.3.0 */ /** * Redirects incoming links to the proper URL based on the site url. * * Search engines consider www.somedomain.com and somedomain.com to be two * different URLs when they both go to the same location. This SEO enhancement * prevents penalty for duplicate content by redirecting all incoming links to * one or the other. * * Prevents redirection for feeds, trackbacks, searches, and * admin URLs. Does not redirect on non-pretty-permalink-supporting IIS 7+, * page/post previews, WP admin, Trackbacks, robots.txt, favicon.ico, searches, * or on POST requests. * * Will also attempt to find the correct link when a user enters a URL that does * not exist based on exact WordPress query. Will instead try to parse the URL * or query in an attempt to figure the correct page to go to. * * @since 2.3.0 * * @global WP_Rewrite $wp_rewrite WordPress rewrite component. * @global bool $is_IIS * @global WP_Query $wp_query WordPress Query object. * @global wpdb $wpdb WordPress database abstraction object. * @global WP $wp Current WordPress environment instance. * * @param string $requested_url Optional. The URL that was requested, used to * figure if redirect is needed. * @param bool $do_redirect Optional. Redirect to the new URL. * @return string|void The string of the URL, if redirect needed. */ function redirect_canonical( $requested_url = null, $do_redirect = true ) { global $wp_rewrite, $is_IIS, $wp_query, $wpdb, $wp; if ( isset( $_SERVER['REQUEST_METHOD'] ) && ! in_array( strtoupper( $_SERVER['REQUEST_METHOD'] ), array( 'GET', 'HEAD' ), true ) ) { return; } /* * If we're not in wp-admin and the post has been published and preview nonce * is non-existent or invalid then no need for preview in query. */ if ( is_preview() && get_query_var( 'p' ) && 'publish' === get_post_status( get_query_var( 'p' ) ) ) { if ( ! isset( $_GET['preview_id'] ) || ! isset( $_GET['preview_nonce'] ) || ! wp_verify_nonce( $_GET['preview_nonce'], 'post_preview_' . (int) $_GET['preview_id'] ) ) { $wp_query->is_preview = false; } } if ( is_admin() || is_search() || is_preview() || is_trackback() || is_favicon() || ( $is_IIS && ! iis7_supports_permalinks() ) ) { return; } if ( ! $requested_url && isset( $_SERVER['HTTP_HOST'] ) ) { // Build the URL in the address bar. $requested_url = is_ssl() ? 'https://' : 'http://'; $requested_url .= $_SERVER['HTTP_HOST']; $requested_url .= $_SERVER['REQUEST_URI']; } $original = parse_url( $requested_url ); if ( false === $original ) { return; } $redirect = $original; $redirect_url = false; $redirect_obj = false; // Notice fixing. if ( ! isset( $redirect['path'] ) ) { $redirect['path'] = ''; } if ( ! isset( $redirect['query'] ) ) { $redirect['query'] = ''; } /* * If the original URL ended with non-breaking spaces, they were almost * certainly inserted by accident. Let's remove them, so the reader doesn't * see a 404 error with no obvious cause. */ $redirect['path'] = preg_replace( '|(%C2%A0)+$|i', '', $redirect['path'] ); // It's not a preview, so remove it from URL. if ( get_query_var( 'preview' ) ) { $redirect['query'] = remove_query_arg( 'preview', $redirect['query'] ); } $post_id = get_query_var( 'p' ); if ( is_feed() && $post_id ) { $redirect_url = get_post_comments_feed_link( $post_id, get_query_var( 'feed' ) ); $redirect_obj = get_post( $post_id ); if ( $redirect_url ) { $redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type', 'feed' ), $redirect_url ); $redirect['path'] = parse_url( $redirect_url, PHP_URL_PATH ); } } if ( is_singular() && $wp_query->post_count < 1 && $post_id ) { $vars = $wpdb->get_results( $wpdb->prepare( "SELECT post_type, post_parent FROM $wpdb->posts WHERE ID = %d", $post_id ) ); if ( ! empty( $vars[0] ) ) { $vars = $vars[0]; if ( 'revision' === $vars->post_type && $vars->post_parent > 0 ) { $post_id = $vars->post_parent; } $redirect_url = get_permalink( $post_id ); $redirect_obj = get_post( $post_id ); if ( $redirect_url ) { $redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type' ), $redirect_url ); } } } // These tests give us a WP-generated permalink. if ( is_404() ) { // Redirect ?page_id, ?p=, ?attachment_id= to their respective URLs. $post_id = max( get_query_var( 'p' ), get_query_var( 'page_id' ), get_query_var( 'attachment_id' ) ); $redirect_post = $post_id ? get_post( $post_id ) : false; if ( $redirect_post ) { $post_type_obj = get_post_type_object( $redirect_post->post_type ); if ( $post_type_obj && $post_type_obj->public && 'auto-draft' !== $redirect_post->post_status ) { $redirect_url = get_permalink( $redirect_post ); $redirect_obj = get_post( $redirect_post ); $redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type' ), $redirect_url ); } } $year = get_query_var( 'year' ); $month = get_query_var( 'monthnum' ); $day = get_query_var( 'day' ); if ( $year && $month && $day ) { $date = sprintf( '%04d-%02d-%02d', $year, $month, $day ); if ( ! wp_checkdate( $month, $day, $year, $date ) ) { $redirect_url = get_month_link( $year, $month ); $redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'year', 'monthnum', 'day' ), $redirect_url ); } } elseif ( $year && $month && $month > 12 ) { $redirect_url = get_year_link( $year ); $redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'year', 'monthnum' ), $redirect_url ); } // Strip off non-existing links from single posts or pages. if ( get_query_var( 'page' ) ) { $post_id = 0; if ( $wp_query->queried_object instanceof WP_Post ) { $post_id = $wp_query->queried_object->ID; } elseif ( $wp_query->post ) { $post_id = $wp_query->post->ID; } if ( $post_id ) { $redirect_url = get_permalink( $post_id ); $redirect_obj = get_post( $post_id ); $redirect['path'] = rtrim( $redirect['path'], (int) get_query_var( 'page' ) . '/' ); $redirect['query'] = remove_query_arg( 'page', $redirect['query'] ); } } if ( ! $redirect_url ) { $redirect_url = redirect_guess_404_permalink(); if ( $redirect_url ) { $redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'page', 'feed', 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type' ), $redirect_url ); } } } elseif ( is_object( $wp_rewrite ) && $wp_rewrite->using_permalinks() ) { // Rewriting of old ?p=X, ?m=2004, ?m=200401, ?m=20040101. if ( is_attachment() && ! array_diff( array_keys( $wp->query_vars ), array( 'attachment', 'attachment_id' ) ) && ! $redirect_url ) { if ( ! empty( $_GET['attachment_id'] ) ) { $redirect_url = get_attachment_link( get_query_var( 'attachment_id' ) ); $redirect_obj = get_post( get_query_var( 'attachment_id' ) ); if ( $redirect_url ) { $redirect['query'] = remove_query_arg( 'attachment_id', $redirect['query'] ); } } else { $redirect_url = get_attachment_link(); $redirect_obj = get_post(); } } elseif ( is_single() && ! empty( $_GET['p'] ) && ! $redirect_url ) { $redirect_url = get_permalink( get_query_var( 'p' ) ); $redirect_obj = get_post( get_query_var( 'p' ) ); if ( $redirect_url ) { $redirect['query'] = remove_query_arg( array( 'p', 'post_type' ), $redirect['query'] ); } } elseif ( is_single() && ! empty( $_GET['name'] ) && ! $redirect_url ) { $redirect_url = get_permalink( $wp_query->get_queried_object_id() ); $redirect_obj = get_post( $wp_query->get_queried_object_id() ); if ( $redirect_url ) { $redirect['query'] = remove_query_arg( 'name', $redirect['query'] ); } } elseif ( is_page() && ! empty( $_GET['page_id'] ) && ! $redirect_url ) { $redirect_url = get_permalink( get_query_var( 'page_id' ) ); $redirect_obj = get_post( get_query_var( 'page_id' ) ); if ( $redirect_url ) { $redirect['query'] = remove_query_arg( 'page_id', $redirect['query'] ); } } elseif ( is_page() && ! is_feed() && ! $redirect_url && 'page' === get_option( 'show_on_front' ) && get_queried_object_id() === (int) get_option( 'page_on_front' ) ) { $redirect_url = home_url( '/' ); } elseif ( is_home() && ! empty( $_GET['page_id'] ) && ! $redirect_url && 'page' === get_option( 'show_on_front' ) && get_query_var( 'page_id' ) === (int) get_option( 'page_for_posts' ) ) { $redirect_url = get_permalink( get_option( 'page_for_posts' ) ); $redirect_obj = get_post( get_option( 'page_for_posts' ) ); if ( $redirect_url ) { $redirect['query'] = remove_query_arg( 'page_id', $redirect['query'] ); } } elseif ( ! empty( $_GET['m'] ) && ( is_year() || is_month() || is_day() ) ) { $m = get_query_var( 'm' ); switch ( strlen( $m ) ) { case 4: // Yearly. $redirect_url = get_year_link( $m ); break; case 6: // Monthly. $redirect_url = get_month_link( substr( $m, 0, 4 ), substr( $m, 4, 2 ) ); break; case 8: // Daily. $redirect_url = get_day_link( substr( $m, 0, 4 ), substr( $m, 4, 2 ), substr( $m, 6, 2 ) ); break; } if ( $redirect_url ) { $redirect['query'] = remove_query_arg( 'm', $redirect['query'] ); } // Now moving on to non ?m=X year/month/day links. } elseif ( is_date() ) { $year = get_query_var( 'year' ); $month = get_query_var( 'monthnum' ); $day = get_query_var( 'day' ); if ( is_day() && $year && $month && ! empty( $_GET['day'] ) ) { $redirect_url = get_day_link( $year, $month, $day ); if ( $redirect_url ) { $redirect['query'] = remove_query_arg( array( 'year', 'monthnum', 'day' ), $redirect['query'] ); } } elseif ( is_month() && $year && ! empty( $_GET['monthnum'] ) ) { $redirect_url = get_month_link( $year, $month ); if ( $redirect_url ) { $redirect['query'] = remove_query_arg( array( 'year', 'monthnum' ), $redirect['query'] ); } } elseif ( is_year() && ! empty( $_GET['year'] ) ) { $redirect_url = get_year_link( $year ); if ( $redirect_url ) { $redirect['query'] = remove_query_arg( 'year', $redirect['query'] ); } } } elseif ( is_author() && ! empty( $_GET['author'] ) && is_string( $_GET['author'] ) && preg_match( '|^[0-9]+$|', $_GET['author'] ) ) { $author = get_userdata( get_query_var( 'author' ) ); if ( false !== $author && $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE $wpdb->posts.post_author = %d AND $wpdb->posts.post_status = 'publish' LIMIT 1", $author->ID ) ) ) { $redirect_url = get_author_posts_url( $author->ID, $author->user_nicename ); $redirect_obj = $author; if ( $redirect_url ) { $redirect['query'] = remove_query_arg( 'author', $redirect['query'] ); } } } elseif ( is_category() || is_tag() || is_tax() ) { // Terms (tags/categories). $term_count = 0; foreach ( $wp_query->tax_query->queried_terms as $tax_query ) { if ( isset( $tax_query['terms'] ) && is_countable( $tax_query['terms'] ) ) { $term_count += count( $tax_query['terms'] ); } } $obj = $wp_query->get_queried_object(); if ( $term_count <= 1 && ! empty( $obj->term_id ) ) { $tax_url = get_term_link( (int) $obj->term_id, $obj->taxonomy ); if ( $tax_url && ! is_wp_error( $tax_url ) ) { if ( ! empty( $redirect['query'] ) ) { // Strip taxonomy query vars off the URL. $qv_remove = array( 'term', 'taxonomy' ); if ( is_category() ) { $qv_remove[] = 'category_name'; $qv_remove[] = 'cat'; } elseif ( is_tag() ) { $qv_remove[] = 'tag'; $qv_remove[] = 'tag_id'; } else { // Custom taxonomies will have a custom query var, remove those too. $tax_obj = get_taxonomy( $obj->taxonomy ); if ( false !== $tax_obj->query_var ) { $qv_remove[] = $tax_obj->query_var; } } $rewrite_vars = array_diff( array_keys( $wp_query->query ), array_keys( $_GET ) ); // Check to see if all the query vars are coming from the rewrite, none are set via $_GET. if ( ! array_diff( $rewrite_vars, array_keys( $_GET ) ) ) { // Remove all of the per-tax query vars. $redirect['query'] = remove_query_arg( $qv_remove, $redirect['query'] ); // Create the destination URL for this taxonomy. $tax_url = parse_url( $tax_url ); if ( ! empty( $tax_url['query'] ) ) { // Taxonomy accessible via ?taxonomy=...&term=... or any custom query var. parse_str( $tax_url['query'], $query_vars ); $redirect['query'] = add_query_arg( $query_vars, $redirect['query'] ); } else { // Taxonomy is accessible via a "pretty URL". $redirect['path'] = $tax_url['path']; } } else { // Some query vars are set via $_GET. Unset those from $_GET that exist via the rewrite. foreach ( $qv_remove as $_qv ) { if ( isset( $rewrite_vars[ $_qv ] ) ) { $redirect['query'] = remove_query_arg( $_qv, $redirect['query'] ); } } } } } } } elseif ( is_single() && str_contains( $wp_rewrite->permalink_structure, '%category%' ) ) { $category_name = get_query_var( 'category_name' ); if ( $category_name ) { $category = get_category_by_path( $category_name ); if ( ! $category || is_wp_error( $category ) || ! has_term( $category->term_id, 'category', $wp_query->get_queried_object_id() ) ) { $redirect_url = get_permalink( $wp_query->get_queried_object_id() ); $redirect_obj = get_post( $wp_query->get_queried_object_id() ); } } } // Post paging. if ( is_singular() && get_query_var( 'page' ) ) { $page = get_query_var( 'page' ); if ( ! $redirect_url ) { $redirect_url = get_permalink( get_queried_object_id() ); $redirect_obj = get_post( get_queried_object_id() ); } if ( $page > 1 ) { $redirect_url = trailingslashit( $redirect_url ); if ( is_front_page() ) { $redirect_url .= user_trailingslashit( "$wp_rewrite->pagination_base/$page", 'paged' ); } else { $redirect_url .= user_trailingslashit( $page, 'single_paged' ); } } $redirect['query'] = remove_query_arg( 'page', $redirect['query'] ); } if ( get_query_var( 'sitemap' ) ) { $redirect_url = get_sitemap_url( get_query_var( 'sitemap' ), get_query_var( 'sitemap-subtype' ), get_query_var( 'paged' ) ); $redirect['query'] = remove_query_arg( array( 'sitemap', 'sitemap-subtype', 'paged' ), $redirect['query'] ); } elseif ( get_query_var( 'paged' ) || is_feed() || get_query_var( 'cpage' ) ) { // Paging and feeds. $paged = get_query_var( 'paged' ); $feed = get_query_var( 'feed' ); $cpage = get_query_var( 'cpage' ); while ( preg_match( "#/$wp_rewrite->pagination_base/?[0-9]+?(/+)?$#", $redirect['path'] ) || preg_match( '#/(comments/?)?(feed|rss2?|rdf|atom)(/+)?$#', $redirect['path'] ) || preg_match( "#/{$wp_rewrite->comments_pagination_base}-[0-9]+(/+)?$#", $redirect['path'] ) ) { // Strip off any existing paging. $redirect['path'] = preg_replace( "#/$wp_rewrite->pagination_base/?[0-9]+?(/+)?$#", '/', $redirect['path'] ); // Strip off feed endings. $redirect['path'] = preg_replace( '#/(comments/?)?(feed|rss2?|rdf|atom)(/+|$)#', '/', $redirect['path'] ); // Strip off any existing comment paging. $redirect['path'] = preg_replace( "#/{$wp_rewrite->comments_pagination_base}-[0-9]+?(/+)?$#", '/', $redirect['path'] ); } $addl_path = ''; $default_feed = get_default_feed(); if ( is_feed() && in_array( $feed, $wp_rewrite->feeds, true ) ) { $addl_path = ! empty( $addl_path ) ? trailingslashit( $addl_path ) : ''; if ( ! is_singular() && get_query_var( 'withcomments' ) ) { $addl_path .= 'comments/'; } if ( ( 'rss' === $default_feed && 'feed' === $feed ) || 'rss' === $feed ) { $format = ( 'rss2' === $default_feed ) ? '' : 'rss2'; } else { $format = ( $default_feed === $feed || 'feed' === $feed ) ? '' : $feed; } $addl_path .= user_trailingslashit( 'feed/' . $format, 'feed' ); $redirect['query'] = remove_query_arg( 'feed', $redirect['query'] ); } elseif ( is_feed() && 'old' === $feed ) { $old_feed_files = array( 'wp-atom.php' => 'atom', 'wp-commentsrss2.php' => 'comments_rss2', 'wp-feed.php' => $default_feed, 'wp-rdf.php' => 'rdf', 'wp-rss.php' => 'rss2', 'wp-rss2.php' => 'rss2', ); if ( isset( $old_feed_files[ basename( $redirect['path'] ) ] ) ) { $redirect_url = get_feed_link( $old_feed_files[ basename( $redirect['path'] ) ] ); wp_redirect( $redirect_url, 301 ); die(); } } if ( $paged > 0 ) { $redirect['query'] = remove_query_arg( 'paged', $redirect['query'] ); if ( ! is_feed() ) { if ( ! is_single() ) { $addl_path = ! empty( $addl_path ) ? trailingslashit( $addl_path ) : ''; if ( $paged > 1 ) { $addl_path .= user_trailingslashit( "$wp_rewrite->pagination_base/$paged", 'paged' ); } } } elseif ( $paged > 1 ) { $redirect['query'] = add_query_arg( 'paged', $paged, $redirect['query'] ); } } $default_comments_page = get_option( 'default_comments_page' ); if ( get_option( 'page_comments' ) && ( 'newest' === $default_comments_page && $cpage > 0 || 'newest' !== $default_comments_page && $cpage > 1 ) ) { $addl_path = ( ! empty( $addl_path ) ? trailingslashit( $addl_path ) : '' ); $addl_path .= user_trailingslashit( $wp_rewrite->comments_pagination_base . '-' . $cpage, 'commentpaged' ); $redirect['query'] = remove_query_arg( 'cpage', $redirect['query'] ); } // Strip off trailing /index.php/. $redirect['path'] = preg_replace( '|/' . preg_quote( $wp_rewrite->index, '|' ) . '/?$|', '/', $redirect['path'] ); $redirect['path'] = user_trailingslashit( $redirect['path'] ); if ( ! empty( $addl_path ) && $wp_rewrite->using_index_permalinks() && ! str_contains( $redirect['path'], '/' . $wp_rewrite->index . '/' ) ) { $redirect['path'] = trailingslashit( $redirect['path'] ) . $wp_rewrite->index . '/'; } if ( ! empty( $addl_path ) ) { $redirect['path'] = trailingslashit( $redirect['path'] ) . $addl_path; } $redirect_url = $redirect['scheme'] . '://' . $redirect['host'] . $redirect['path']; } if ( 'wp-register.php' === basename( $redirect['path'] ) ) { if ( is_multisite() ) { /** This filter is documented in wp-login.php */ $redirect_url = apply_filters( 'wp_signup_location', network_site_url( 'wp-signup.php' ) ); } else { $redirect_url = wp_registration_url(); } wp_redirect( $redirect_url, 301 ); die(); } } $is_attachment_redirect = false; if ( is_attachment() && ! get_option( 'wp_attachment_pages_enabled' ) ) { $attachment_id = get_query_var( 'attachment_id' ); $attachment_post = get_post( $attachment_id ); $attachment_parent_id = $attachment_post ? $attachment_post->post_parent : 0; $attachment_url = wp_get_attachment_url( $attachment_id ); if ( $attachment_url !== $redirect_url ) { /* * If an attachment is attached to a post, it inherits the parent post's status. * Fetch the parent post to check its status later. */ if ( $attachment_parent_id ) { $redirect_obj = get_post( $attachment_parent_id ); } $redirect_url = $attachment_url; } $is_attachment_redirect = true; } $redirect['query'] = preg_replace( '#^\??&*?#', '', $redirect['query'] ); // Tack on any additional query vars. if ( $redirect_url && ! empty( $redirect['query'] ) ) { parse_str( $redirect['query'], $_parsed_query ); $redirect = parse_url( $redirect_url ); if ( ! empty( $_parsed_query['name'] ) && ! empty( $redirect['query'] ) ) { parse_str( $redirect['query'], $_parsed_redirect_query ); if ( empty( $_parsed_redirect_query['name'] ) ) { unset( $_parsed_query['name'] ); } } $_parsed_query = array_combine( rawurlencode_deep( array_keys( $_parsed_query ) ), rawurlencode_deep( array_values( $_parsed_query ) ) ); $redirect_url = add_query_arg( $_parsed_query, $redirect_url ); } if ( $redirect_url ) { $redirect = parse_url( $redirect_url ); } // www.example.com vs. example.com $user_home = parse_url( home_url() ); if ( ! empty( $user_home['host'] ) ) { $redirect['host'] = $user_home['host']; } if ( empty( $user_home['path'] ) ) { $user_home['path'] = '/'; } // Handle ports. if ( ! empty( $user_home['port'] ) ) { $redirect['port'] = $user_home['port']; } else { unset( $redirect['port'] ); } // Trailing /index.php. $redirect['path'] = preg_replace( '|/' . preg_quote( $wp_rewrite->index, '|' ) . '/*?$|', '/', $redirect['path'] ); $punctuation_pattern = implode( '|', array_map( 'preg_quote', array( ' ', '%20', // Space. '!', '%21', // Exclamation mark. '"', '%22', // Double quote. "'", '%27', // Single quote. '(', '%28', // Opening bracket. ')', '%29', // Closing bracket. ',', '%2C', // Comma. '.', '%2E', // Period. ';', '%3B', // Semicolon. '{', '%7B', // Opening curly bracket. '}', '%7D', // Closing curly bracket. '%E2%80%9C', // Opening curly quote. '%E2%80%9D', // Closing curly quote. ) ) ); // Remove trailing spaces and end punctuation from the path. $redirect['path'] = preg_replace( "#($punctuation_pattern)+$#", '', $redirect['path'] ); if ( ! empty( $redirect['query'] ) ) { // Remove trailing spaces and end punctuation from certain terminating query string args. $redirect['query'] = preg_replace( "#((^|&)(p|page_id|cat|tag)=[^&]*?)($punctuation_pattern)+$#", '$1', $redirect['query'] ); // Clean up empty query strings. $redirect['query'] = trim( preg_replace( '#(^|&)(p|page_id|cat|tag)=?(&|$)#', '&', $redirect['query'] ), '&' ); // Redirect obsolete feeds. $redirect['query'] = preg_replace( '#(^|&)feed=rss(&|$)#', '$1feed=rss2$2', $redirect['query'] ); // Remove redundant leading ampersands. $redirect['query'] = preg_replace( '#^\??&*?#', '', $redirect['query'] ); } // Strip /index.php/ when we're not using PATHINFO permalinks. if ( ! $wp_rewrite->using_index_permalinks() ) { $redirect['path'] = str_replace( '/' . $wp_rewrite->index . '/', '/', $redirect['path'] ); } // Trailing slashes. if ( is_object( $wp_rewrite ) && $wp_rewrite->using_permalinks() && ! $is_attachment_redirect && ! is_404() && ( ! is_front_page() || is_front_page() && get_query_var( 'paged' ) > 1 ) ) { $user_ts_type = ''; if ( get_query_var( 'paged' ) > 0 ) { $user_ts_type = 'paged'; } else { foreach ( array( 'single', 'category', 'page', 'day', 'month', 'year', 'home' ) as $type ) { $func = 'is_' . $type; if ( call_user_func( $func ) ) { $user_ts_type = $type; break; } } } $redirect['path'] = user_trailingslashit( $redirect['path'], $user_ts_type ); } elseif ( is_front_page() ) { $redirect['path'] = trailingslashit( $redirect['path'] ); } // Remove trailing slash for robots.txt or sitemap requests. if ( is_robots() || ! empty( get_query_var( 'sitemap' ) ) || ! empty( get_query_var( 'sitemap-stylesheet' ) ) ) { $redirect['path'] = untrailingslashit( $redirect['path'] ); } // Strip multiple slashes out of the URL. if ( str_contains( $redirect['path'], '//' ) ) { $redirect['path'] = preg_replace( '|/+|', '/', $redirect['path'] ); } // Always trailing slash the Front Page URL. if ( trailingslashit( $redirect['path'] ) === trailingslashit( $user_home['path'] ) ) { $redirect['path'] = trailingslashit( $redirect['path'] ); } $original_host_low = strtolower( $original['host'] ); $redirect_host_low = strtolower( $redirect['host'] ); /* * Ignore differences in host capitalization, as this can lead to infinite redirects. * Only redirect no-www <=> yes-www. */ if ( $original_host_low === $redirect_host_low || ( 'www.' . $original_host_low !== $redirect_host_low && 'www.' . $redirect_host_low !== $original_host_low ) ) { $redirect['host'] = $original['host']; } $compare_original = array( $original['host'], $original['path'] ); if ( ! empty( $original['port'] ) ) { $compare_original[] = $original['port']; } if ( ! empty( $original['query'] ) ) { $compare_original[] = $original['query']; } $compare_redirect = array( $redirect['host'], $redirect['path'] ); if ( ! empty( $redirect['port'] ) ) { $compare_redirect[] = $redirect['port']; } if ( ! empty( $redirect['query'] ) ) { $compare_redirect[] = $redirect['query']; } if ( $compare_original !== $compare_redirect ) { $redirect_url = $redirect['scheme'] . '://' . $redirect['host']; if ( ! empty( $redirect['port'] ) ) { $redirect_url .= ':' . $redirect['port']; } $redirect_url .= $redirect['path']; if ( ! empty( $redirect['query'] ) ) { $redirect_url .= '?' . $redirect['query']; } } if ( ! $redirect_url || $redirect_url === $requested_url ) { return; } // Hex-encoded octets are case-insensitive. if ( str_contains( $requested_url, '%' ) ) { if ( ! function_exists( 'lowercase_octets' ) ) { /** * Converts the first hex-encoded octet match to lowercase. * * @since 3.1.0 * @ignore * * @param array $matches Hex-encoded octet matches for the requested URL. * @return string Lowercased version of the first match. */ function lowercase_octets( $matches ) { return strtolower( $matches[0] ); } } $requested_url = preg_replace_callback( '|%[a-fA-F0-9][a-fA-F0-9]|', 'lowercase_octets', $requested_url ); } if ( $redirect_obj instanceof WP_Post ) { $post_status_obj = get_post_status_object( get_post_status( $redirect_obj ) ); /* * Unset the redirect object and URL if they are not readable by the user. * This condition is a little confusing as the condition needs to pass if * the post is not readable by the user. That's why there are ! (not) conditions * throughout. */ if ( // Private post statuses only redirect if the user can read them. ! ( $post_status_obj->private && current_user_can( 'read_post', $redirect_obj->ID ) ) && // For other posts, only redirect if publicly viewable. ! is_post_publicly_viewable( $redirect_obj ) ) { $redirect_obj = false; $redirect_url = false; } } /** * Filters the canonical redirect URL. * * Returning false to this filter will cancel the redirect. * * @since 2.3.0 * * @param string $redirect_url The redirect URL. * @param string $requested_url The requested URL. */ $redirect_url = apply_filters( 'redirect_canonical', $redirect_url, $requested_url ); // Yes, again -- in case the filter aborted the request. if ( ! $redirect_url || strip_fragment_from_url( $redirect_url ) === strip_fragment_from_url( $requested_url ) ) { return; } if ( $do_redirect ) { // Protect against chained redirects. if ( ! redirect_canonical( $redirect_url, false ) ) { wp_redirect( $redirect_url, 301 ); exit; } else { // Debug. // die("1: $redirect_url
2: " . redirect_canonical( $redirect_url, false ) ); return; } } else { return $redirect_url; } } /** * Removes arguments from a query string if they are not present in a URL * DO NOT use this in plugin code. * * @since 3.4.0 * @access private * * @param string $query_string * @param array $args_to_check * @param string $url * @return string The altered query string */ function _remove_qs_args_if_not_in_url( $query_string, array $args_to_check, $url ) { $parsed_url = parse_url( $url ); if ( ! empty( $parsed_url['query'] ) ) { parse_str( $parsed_url['query'], $parsed_query ); foreach ( $args_to_check as $qv ) { if ( ! isset( $parsed_query[ $qv ] ) ) { $query_string = remove_query_arg( $qv, $query_string ); } } } else { $query_string = remove_query_arg( $args_to_check, $query_string ); } return $query_string; } /** * Strips the #fragment from a URL, if one is present. * * @since 4.4.0 * * @param string $url The URL to strip. * @return string The altered URL. */ function strip_fragment_from_url( $url ) { $parsed_url = wp_parse_url( $url ); if ( ! empty( $parsed_url['host'] ) ) { $url = ''; if ( ! empty( $parsed_url['scheme'] ) ) { $url = $parsed_url['scheme'] . ':'; } $url .= '//' . $parsed_url['host']; if ( ! empty( $parsed_url['port'] ) ) { $url .= ':' . $parsed_url['port']; } if ( ! empty( $parsed_url['path'] ) ) { $url .= $parsed_url['path']; } if ( ! empty( $parsed_url['query'] ) ) { $url .= '?' . $parsed_url['query']; } } return $url; } /** * Attempts to guess the correct URL for a 404 request based on query vars. * * @since 2.3.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @return string|false The correct URL if one is found. False on failure. */ function redirect_guess_404_permalink() { global $wpdb; /** * Filters whether to attempt to guess a redirect URL for a 404 request. * * Returning a false value from the filter will disable the URL guessing * and return early without performing a redirect. * * @since 5.5.0 * * @param bool $do_redirect_guess Whether to attempt to guess a redirect URL * for a 404 request. Default true. */ if ( false === apply_filters( 'do_redirect_guess_404_permalink', true ) ) { return false; } /** * Short-circuits the redirect URL guessing for 404 requests. * * Returning a non-null value from the filter will effectively short-circuit * the URL guessing, returning the passed value instead. * * @since 5.5.0 * * @param null|string|false $pre Whether to short-circuit guessing the redirect for a 404. * Default null to continue with the URL guessing. */ $pre = apply_filters( 'pre_redirect_guess_404_permalink', null ); if ( null !== $pre ) { return $pre; } if ( get_query_var( 'name' ) ) { $publicly_viewable_statuses = array_filter( get_post_stati(), 'is_post_status_viewable' ); $publicly_viewable_post_types = array_filter( get_post_types( array( 'exclude_from_search' => false ) ), 'is_post_type_viewable' ); /** * Filters whether to perform a strict guess for a 404 redirect. * * Returning a truthy value from the filter will redirect only exact post_name matches. * * @since 5.5.0 * * @param bool $strict_guess Whether to perform a strict guess. Default false (loose guess). */ $strict_guess = apply_filters( 'strict_redirect_guess_404_permalink', false ); if ( $strict_guess ) { $where = $wpdb->prepare( 'post_name = %s', get_query_var( 'name' ) ); } else { $where = $wpdb->prepare( 'post_name LIKE %s', $wpdb->esc_like( get_query_var( 'name' ) ) . '%' ); } // If any of post_type, year, monthnum, or day are set, use them to refine the query. if ( get_query_var( 'post_type' ) ) { if ( is_array( get_query_var( 'post_type' ) ) ) { $post_types = array_intersect( get_query_var( 'post_type' ), $publicly_viewable_post_types ); if ( empty( $post_types ) ) { return false; } $where .= " AND post_type IN ('" . join( "', '", esc_sql( get_query_var( 'post_type' ) ) ) . "')"; } else { if ( ! in_array( get_query_var( 'post_type' ), $publicly_viewable_post_types, true ) ) { return false; } $where .= $wpdb->prepare( ' AND post_type = %s', get_query_var( 'post_type' ) ); } } else { $where .= " AND post_type IN ('" . implode( "', '", esc_sql( $publicly_viewable_post_types ) ) . "')"; } if ( get_query_var( 'year' ) ) { $where .= $wpdb->prepare( ' AND YEAR(post_date) = %d', get_query_var( 'year' ) ); } if ( get_query_var( 'monthnum' ) ) { $where .= $wpdb->prepare( ' AND MONTH(post_date) = %d', get_query_var( 'monthnum' ) ); } if ( get_query_var( 'day' ) ) { $where .= $wpdb->prepare( ' AND DAYOFMONTH(post_date) = %d', get_query_var( 'day' ) ); } // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared $post_id = $wpdb->get_var( "SELECT ID FROM $wpdb->posts WHERE $where AND post_status IN ('" . implode( "', '", esc_sql( $publicly_viewable_statuses ) ) . "')" ); if ( ! $post_id ) { return false; } if ( get_query_var( 'feed' ) ) { return get_post_comments_feed_link( $post_id, get_query_var( 'feed' ) ); } elseif ( get_query_var( 'page' ) > 1 ) { return trailingslashit( get_permalink( $post_id ) ) . user_trailingslashit( get_query_var( 'page' ), 'single_paged' ); } else { return get_permalink( $post_id ); } } return false; } /** * Redirects a variety of shorthand URLs to the admin. * * If a user visits example.com/admin, they'll be redirected to /wp-admin. * Visiting /login redirects to /wp-login.php, and so on. * * @since 3.4.0 * * @global WP_Rewrite $wp_rewrite WordPress rewrite component. */ function wp_redirect_admin_locations() { global $wp_rewrite; if ( ! ( is_404() && $wp_rewrite->using_permalinks() ) ) { return; } $admins = array( home_url( 'wp-admin', 'relative' ), home_url( 'dashboard', 'relative' ), home_url( 'admin', 'relative' ), site_url( 'dashboard', 'relative' ), site_url( 'admin', 'relative' ), ); if ( in_array( untrailingslashit( $_SERVER['REQUEST_URI'] ), $admins, true ) ) { wp_redirect( admin_url() ); exit; } $logins = array( home_url( 'wp-login.php', 'relative' ), home_url( 'login.php', 'relative' ), home_url( 'login', 'relative' ), site_url( 'login', 'relative' ), ); if ( in_array( untrailingslashit( $_SERVER['REQUEST_URI'] ), $logins, true ) ) { wp_redirect( wp_login_url() ); exit; } } /** * REST API: WP_REST_Taxonomies_Controller class * * @package WordPress * @subpackage REST_API * @since 4.7.0 */ /** * Core class used to manage taxonomies via the REST API. * * @since 4.7.0 * * @see WP_REST_Controller */ class WP_REST_Taxonomies_Controller extends WP_REST_Controller { /** * Constructor. * * @since 4.7.0 */ public function __construct() { $this->namespace = 'wp/v2'; $this->rest_base = 'taxonomies'; } /** * Registers the routes for taxonomies. * * @since 4.7.0 * * @see register_rest_route() */ public function register_routes() { register_rest_route( $this->namespace, '/' . $this->rest_base, array( array( 'methods' => WP_REST_Server::READABLE, 'callback' => array( $this, 'get_items' ), 'permission_callback' => array( $this, 'get_items_permissions_check' ), 'args' => $this->get_collection_params(), ), 'schema' => array( $this, 'get_public_item_schema' ), ) ); register_rest_route( $this->namespace, '/' . $this->rest_base . '/(?P[\w-]+)', array( 'args' => array( 'taxonomy' => array( 'description' => __( 'An alphanumeric identifier for the taxonomy.' ), 'type' => 'string', ), ), array( 'methods' => WP_REST_Server::READABLE, 'callback' => array( $this, 'get_item' ), 'permission_callback' => array( $this, 'get_item_permissions_check' ), 'args' => array( 'context' => $this->get_context_param( array( 'default' => 'view' ) ), ), ), 'schema' => array( $this, 'get_public_item_schema' ), ) ); } /** * Checks whether a given request has permission to read taxonomies. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return true|WP_Error True if the request has read access, WP_Error object otherwise. */ public function get_items_permissions_check( $request ) { if ( 'edit' === $request['context'] ) { if ( ! empty( $request['type'] ) ) { $taxonomies = get_object_taxonomies( $request['type'], 'objects' ); } else { $taxonomies = get_taxonomies( '', 'objects' ); } foreach ( $taxonomies as $taxonomy ) { if ( ! empty( $taxonomy->show_in_rest ) && current_user_can( $taxonomy->cap->assign_terms ) ) { return true; } } return new WP_Error( 'rest_cannot_view', __( 'Sorry, you are not allowed to manage terms in this taxonomy.' ), array( 'status' => rest_authorization_required_code() ) ); } return true; } /** * Retrieves all public taxonomies. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response Response object on success, or WP_Error object on failure. */ public function get_items( $request ) { // Retrieve the list of registered collection query parameters. $registered = $this->get_collection_params(); if ( isset( $registered['type'] ) && ! empty( $request['type'] ) ) { $taxonomies = get_object_taxonomies( $request['type'], 'objects' ); } else { $taxonomies = get_taxonomies( '', 'objects' ); } $data = array(); foreach ( $taxonomies as $tax_type => $value ) { if ( empty( $value->show_in_rest ) || ( 'edit' === $request['context'] && ! current_user_can( $value->cap->assign_terms ) ) ) { continue; } $tax = $this->prepare_item_for_response( $value, $request ); $tax = $this->prepare_response_for_collection( $tax ); $data[ $tax_type ] = $tax; } if ( empty( $data ) ) { // Response should still be returned as a JSON object when it is empty. $data = (object) $data; } return rest_ensure_response( $data ); } /** * Checks if a given request has access to a taxonomy. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return bool|WP_Error True if the request has read access for the item, otherwise false or WP_Error object. */ public function get_item_permissions_check( $request ) { $tax_obj = get_taxonomy( $request['taxonomy'] ); if ( $tax_obj ) { if ( empty( $tax_obj->show_in_rest ) ) { return false; } if ( 'edit' === $request['context'] && ! current_user_can( $tax_obj->cap->assign_terms ) ) { return new WP_Error( 'rest_forbidden_context', __( 'Sorry, you are not allowed to manage terms in this taxonomy.' ), array( 'status' => rest_authorization_required_code() ) ); } } return true; } /** * Retrieves a specific taxonomy. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure. */ public function get_item( $request ) { $tax_obj = get_taxonomy( $request['taxonomy'] ); if ( empty( $tax_obj ) ) { return new WP_Error( 'rest_taxonomy_invalid', __( 'Invalid taxonomy.' ), array( 'status' => 404 ) ); } $data = $this->prepare_item_for_response( $tax_obj, $request ); return rest_ensure_response( $data ); } /** * Prepares a taxonomy object for serialization. * * @since 4.7.0 * @since 5.9.0 Renamed `$taxonomy` to `$item` to match parent class for PHP 8 named parameter support. * * @param WP_Taxonomy $item Taxonomy data. * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response Response object. */ public function prepare_item_for_response( $item, $request ) { // Restores the more descriptive, specific name for use within this method. $taxonomy = $item; $base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name; $fields = $this->get_fields_for_response( $request ); $data = array(); if ( in_array( 'name', $fields, true ) ) { $data['name'] = $taxonomy->label; } if ( in_array( 'slug', $fields, true ) ) { $data['slug'] = $taxonomy->name; } if ( in_array( 'capabilities', $fields, true ) ) { $data['capabilities'] = $taxonomy->cap; } if ( in_array( 'description', $fields, true ) ) { $data['description'] = $taxonomy->description; } if ( in_array( 'labels', $fields, true ) ) { $data['labels'] = $taxonomy->labels; } if ( in_array( 'types', $fields, true ) ) { $data['types'] = array_values( $taxonomy->object_type ); } if ( in_array( 'show_cloud', $fields, true ) ) { $data['show_cloud'] = $taxonomy->show_tagcloud; } if ( in_array( 'hierarchical', $fields, true ) ) { $data['hierarchical'] = $taxonomy->hierarchical; } if ( in_array( 'rest_base', $fields, true ) ) { $data['rest_base'] = $base; } if ( in_array( 'rest_namespace', $fields, true ) ) { $data['rest_namespace'] = $taxonomy->rest_namespace; } if ( in_array( 'visibility', $fields, true ) ) { $data['visibility'] = array( 'public' => (bool) $taxonomy->public, 'publicly_queryable' => (bool) $taxonomy->publicly_queryable, 'show_admin_column' => (bool) $taxonomy->show_admin_column, 'show_in_nav_menus' => (bool) $taxonomy->show_in_nav_menus, 'show_in_quick_edit' => (bool) $taxonomy->show_in_quick_edit, 'show_ui' => (bool) $taxonomy->show_ui, ); } $context = ! empty( $request['context'] ) ? $request['context'] : 'view'; $data = $this->add_additional_fields_to_object( $data, $request ); $data = $this->filter_response_by_context( $data, $context ); // Wrap the data in a response object. $response = rest_ensure_response( $data ); if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) { $response->add_links( $this->prepare_links( $taxonomy ) ); } /** * Filters a taxonomy returned from the REST API. * * Allows modification of the taxonomy data right before it is returned. * * @since 4.7.0 * * @param WP_REST_Response $response The response object. * @param WP_Taxonomy $item The original taxonomy object. * @param WP_REST_Request $request Request used to generate the response. */ return apply_filters( 'rest_prepare_taxonomy', $response, $taxonomy, $request ); } /** * Prepares links for the request. * * @since 6.1.0 * * @param WP_Taxonomy $taxonomy The taxonomy. * @return array Links for the given taxonomy. */ protected function prepare_links( $taxonomy ) { return array( 'collection' => array( 'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ), ), 'https://api.w.org/items' => array( 'href' => rest_url( rest_get_route_for_taxonomy_items( $taxonomy->name ) ), ), ); } /** * Retrieves the taxonomy's schema, conforming to JSON Schema. * * @since 4.7.0 * @since 5.0.0 The `visibility` property was added. * @since 5.9.0 The `rest_namespace` property was added. * * @return array Item schema data. */ public function get_item_schema() { if ( $this->schema ) { return $this->add_additional_fields_schema( $this->schema ); } $schema = array( '$schema' => 'http://json-schema.org/draft-04/schema#', 'title' => 'taxonomy', 'type' => 'object', 'properties' => array( 'capabilities' => array( 'description' => __( 'All capabilities used by the taxonomy.' ), 'type' => 'object', 'context' => array( 'edit' ), 'readonly' => true, ), 'description' => array( 'description' => __( 'A human-readable description of the taxonomy.' ), 'type' => 'string', 'context' => array( 'view', 'edit' ), 'readonly' => true, ), 'hierarchical' => array( 'description' => __( 'Whether or not the taxonomy should have children.' ), 'type' => 'boolean', 'context' => array( 'view', 'edit' ), 'readonly' => true, ), 'labels' => array( 'description' => __( 'Human-readable labels for the taxonomy for various contexts.' ), 'type' => 'object', 'context' => array( 'edit' ), 'readonly' => true, ), 'name' => array( 'description' => __( 'The title for the taxonomy.' ), 'type' => 'string', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ), 'slug' => array( 'description' => __( 'An alphanumeric identifier for the taxonomy.' ), 'type' => 'string', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ), 'show_cloud' => array( 'description' => __( 'Whether or not the term cloud should be displayed.' ), 'type' => 'boolean', 'context' => array( 'edit' ), 'readonly' => true, ), 'types' => array( 'description' => __( 'Types associated with the taxonomy.' ), 'type' => 'array', 'items' => array( 'type' => 'string', ), 'context' => array( 'view', 'edit' ), 'readonly' => true, ), 'rest_base' => array( 'description' => __( 'REST base route for the taxonomy.' ), 'type' => 'string', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ), 'rest_namespace' => array( 'description' => __( 'REST namespace route for the taxonomy.' ), 'type' => 'string', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ), 'visibility' => array( 'description' => __( 'The visibility settings for the taxonomy.' ), 'type' => 'object', 'context' => array( 'edit' ), 'readonly' => true, 'properties' => array( 'public' => array( 'description' => __( 'Whether a taxonomy is intended for use publicly either via the admin interface or by front-end users.' ), 'type' => 'boolean', ), 'publicly_queryable' => array( 'description' => __( 'Whether the taxonomy is publicly queryable.' ), 'type' => 'boolean', ), 'show_ui' => array( 'description' => __( 'Whether to generate a default UI for managing this taxonomy.' ), 'type' => 'boolean', ), 'show_admin_column' => array( 'description' => __( 'Whether to allow automatic creation of taxonomy columns on associated post-types table.' ), 'type' => 'boolean', ), 'show_in_nav_menus' => array( 'description' => __( 'Whether to make the taxonomy available for selection in navigation menus.' ), 'type' => 'boolean', ), 'show_in_quick_edit' => array( 'description' => __( 'Whether to show the taxonomy in the quick/bulk edit panel.' ), 'type' => 'boolean', ), ), ), ), ); $this->schema = $schema; return $this->add_additional_fields_schema( $this->schema ); } /** * Retrieves the query params for collections. * * @since 4.7.0 * * @return array Collection parameters. */ public function get_collection_params() { $new_params = array(); $new_params['context'] = $this->get_context_param( array( 'default' => 'view' ) ); $new_params['type'] = array( 'description' => __( 'Limit results to taxonomies associated with a specific post type.' ), 'type' => 'string', ); return $new_params; } }