X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/3f5685912e89eb3b0534acd85aa0946b1ca2bbe3..53f4633144ed68c8b8fb5861f992b5489894a940:/wp-includes/rewrite.php diff --git a/wp-includes/rewrite.php b/wp-includes/rewrite.php index 4c8d9e68..a2ddc590 100644 --- a/wp-includes/rewrite.php +++ b/wp-includes/rewrite.php @@ -9,12 +9,13 @@ /** * Add a straight rewrite rule. * - * @see WP_Rewrite::add_rule() for long description. * @since 2.1.0 * - * @param string $regex Regular Expression to match request against. + * @global WP_Rewrite $wp_rewrite + * + * @param string $regex Regular Expression to match request against. * @param string $redirect Page to redirect to. - * @param string $after Optional, default is 'bottom'. Where to add rule, can also be 'top'. + * @param string $after Optional, default is 'bottom'. Where to add rule, can also be 'top'. */ function add_rewrite_rule($regex, $redirect, $after = 'bottom') { global $wp_rewrite; @@ -22,27 +23,59 @@ function add_rewrite_rule($regex, $redirect, $after = 'bottom') { } /** - * Add a new tag (like %postname%). + * Add a new rewrite tag (like %postname%). * - * Warning: you must call this on init or earlier, otherwise the query var - * addition stuff won't work. + * The $query parameter is optional. If it is omitted you must ensure that + * you call this on, or before, the 'init' hook. This is because $query defaults + * to "$tag=", and for this to work a new query var has to be added. * * @since 2.1.0 * - * @param string $tagname - * @param string $regex + * @global WP_Rewrite $wp_rewrite + * @global WP $wp + * + * @param string $tag Name of the new rewrite tag. + * @param string $regex Regular expression to substitute the tag for in rewrite rules. + * @param string $query String to append to the rewritten query. Must end in '='. Optional. */ -function add_rewrite_tag($tagname, $regex) { - //validation - if (strlen($tagname) < 3 || $tagname{0} != '%' || $tagname{strlen($tagname)-1} != '%') { +function add_rewrite_tag( $tag, $regex, $query = '' ) { + // validate the tag's name + if ( strlen( $tag ) < 3 || $tag[0] != '%' || $tag[ strlen($tag) - 1 ] != '%' ) return; + + global $wp_rewrite, $wp; + + if ( empty( $query ) ) { + $qv = trim( $tag, '%' ); + $wp->add_query_var( $qv ); + $query = $qv . '='; } - $qv = trim($tagname, '%'); + $wp_rewrite->add_rewrite_tag( $tag, $regex, $query ); +} - global $wp_rewrite, $wp; - $wp->add_query_var($qv); - $wp_rewrite->add_rewrite_tag($tagname, $regex, $qv . '='); +/** + * Add permalink structure. + * + * @since 3.0.0 + * + * @global WP_Rewrite $wp_rewrite + * + * @param string $name Name for permalink structure. + * @param string $struct Permalink structure. + * @param array $args Optional configuration for building the rules from the permalink structure, + * see {@link WP_Rewrite::add_permastruct()} for full details. + */ +function add_permastruct( $name, $struct, $args = array() ) { + global $wp_rewrite; + + // backwards compatibility 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 ); + + $wp_rewrite->add_permastruct( $name, $struct, $args ); } /** @@ -50,22 +83,45 @@ function add_rewrite_tag($tagname, $regex) { * * @since 2.1.0 * - * @param string $feedname + * @global WP_Rewrite $wp_rewrite + * + * @param string $feedname * @param callback $function Callback to run on feed display. * @return string Feed action name. */ function add_feed($feedname, $function) { global $wp_rewrite; - if (!in_array($feedname, $wp_rewrite->feeds)) { //override the file if it is + if ( ! in_array($feedname, $wp_rewrite->feeds) ) //override the file if it is $wp_rewrite->feeds[] = $feedname; - } $hook = 'do_feed_' . $feedname; // Remove default function hook - remove_action($hook, $hook, 10, 1); + remove_action($hook, $hook); add_action($hook, $function, 10, 1); return $hook; } +/** + * Remove rewrite rules and then recreate rewrite rules. + * + * @since 3.0.0 + * + * @global WP_Rewrite $wp_rewrite + * + * @param bool $hard Whether to update .htaccess (hard flush) or just update + * rewrite_rules transient (soft flush). Default is true (hard). + */ +function flush_rewrite_rules( $hard = true ) { + global $wp_rewrite; + $wp_rewrite->flush_rules( $hard ); +} + +/** + * Endpoint Mask for default, which is nothing. + * + * @since 2.1.0 + */ +define('EP_NONE', 0); + /** * Endpoint Mask for Permalink. * @@ -157,40 +213,55 @@ define('EP_AUTHORS', 2048); */ define('EP_PAGES', 4096); -//pseudo-places /** - * Endpoint Mask for default, which is nothing. + * Endpoint Mask for all archive views. * - * @since 2.1.0 + * @since 3.7.0 */ -define('EP_NONE', 0); +define( 'EP_ALL_ARCHIVES', EP_DATE | EP_YEAR | EP_MONTH | EP_DAY | EP_CATEGORIES | EP_TAGS | EP_AUTHORS ); /** * Endpoint Mask for everything. * * @since 2.1.0 */ -define('EP_ALL', 8191); +define( 'EP_ALL', EP_PERMALINK | EP_ATTACHMENT | EP_ROOT | EP_COMMENTS | EP_SEARCH | EP_PAGES | EP_ALL_ARCHIVES ); /** * Add an endpoint, like /trackback/. * - * The endpoints are added to the end of the request. So a request matching - * "/2008/10/14/my_post/myep/", the endpoint will be "/myep/". + * Adding an endpoint creates extra rewrite rules for each of the matching + * places specified by the provided bitmask. For example: * - * Be sure to flush the rewrite rules (wp_rewrite->flush()) when your plugin gets - * activated (register_activation_hook()) and deactivated (register_deactivation_hook()) + * add_rewrite_endpoint( 'json', EP_PERMALINK | EP_PAGES ); + * + * will add a new rewrite rule ending with "json(/(.*))?/?$" for every permastruct + * that describes a permalink (post) or page. This is rewritten to "json=$match" + * where $match is the part of the URL matched by the endpoint regex (e.g. "foo" in + * "[permalink]/json/foo/"). + * + * A new query var with the same name as the endpoint will also be created. + * + * When specifying $places ensure that you are using the EP_* constants (or a + * combination of them using the bitwise OR operator) as their values are not + * guaranteed to remain static (especially `EP_ALL`). + * + * Be sure to flush the rewrite rules - see flush_rewrite_rules() - when your plugin gets + * activated and deactivated. * * @since 2.1.0 - * @see WP_Rewrite::add_endpoint() Parameters and more description. - * @uses $wp_rewrite + * @since 4.3.0 Added support for skipping query var registration by passing `false` to `$query_var`. + * + * @global WP_Rewrite $wp_rewrite * - * @param unknown_type $name - * @param unknown_type $places + * @param string $name Name of the endpoint. + * @param int $places Endpoint mask describing the places the endpoint should be added. + * @param string|bool $query_var Name of the corresponding query variable. Pass `false` to skip registering a query_var + * for this endpoint. Defaults to the value of `$name`. */ -function add_rewrite_endpoint($name, $places) { +function add_rewrite_endpoint( $name, $places, $query_var = true ) { global $wp_rewrite; - $wp_rewrite->add_endpoint($name, $places); + $wp_rewrite->add_endpoint( $name, $places, $query_var ); } /** @@ -200,7 +271,6 @@ function add_rewrite_endpoint($name, $places) { * * @access private * @since 2.6.0 - * @author Mark Jaquith * * @param string $base The taxonomy base that we're going to filter * @return string @@ -213,6 +283,121 @@ function _wp_filter_taxonomy_base( $base ) { return $base; } + +/** + * Resolve numeric slugs that collide with date permalinks. + * + * Permalinks of posts with numeric slugs can sometimes look to WP_Query::parse_query() + * like a date archive, as when your permalink structure is `/%year%/%postname%/` and + * a post with post_name '05' has the URL `/2015/05/`. + * + * This function detects conflicts of this type and resolves them in favor of the + * post permalink. + * + * Note that, since 4.3.0, wp_unique_post_slug() prevents the creation of post slugs + * that would result in a date archive conflict. The resolution performed in this + * function is primarily for legacy content, as well as cases when the admin has changed + * the site's permalink structure in a way that introduces URL conflicts. + * + * @since 4.3.0 + * + * @param array $query_vars Optional. Query variables for setting up the loop, as determined in + * WP::parse_request(). Default empty array. + * @return array Returns the original array of query vars, with date/post conflicts resolved. + */ +function wp_resolve_numeric_slug_conflicts( $query_vars = array() ) { + if ( ! isset( $query_vars['year'] ) && ! isset( $query_vars['monthnum'] ) && ! isset( $query_vars['day'] ) ) { + return $query_vars; + } + + // Identify the 'postname' position in the permastruct array. + $permastructs = array_values( array_filter( explode( '/', get_option( 'permalink_structure' ) ) ) ); + $postname_index = array_search( '%postname%', $permastructs ); + + if ( false === $postname_index ) { + return $query_vars; + } + + /* + * A numeric slug could be confused with a year, month, or day, depending on position. To account for + * the possibility of post pagination (eg 2015/2 for the second page of a post called '2015'), our + * `is_*` checks are generous: check for year-slug clashes when `is_year` *or* `is_month`, and check + * for month-slug clashes when `is_month` *or* `is_day`. + */ + $compare = ''; + if ( 0 === $postname_index && ( isset( $query_vars['year'] ) || isset( $query_vars['monthnum'] ) ) ) { + $compare = 'year'; + } elseif ( '%year%' === $permastructs[ $postname_index - 1 ] && ( isset( $query_vars['monthnum'] ) || isset( $query_vars['day'] ) ) ) { + $compare = 'monthnum'; + } elseif ( '%monthnum%' === $permastructs[ $postname_index - 1 ] && isset( $query_vars['day'] ) ) { + $compare = 'day'; + } + + if ( ! $compare ) { + return $query_vars; + } + + // This is the potentially clashing slug. + $value = $query_vars[ $compare ]; + + $post = get_page_by_path( $value, OBJECT, 'post' ); + if ( ! ( $post instanceof WP_Post ) ) { + return $query_vars; + } + + // If the date of the post doesn't match the date specified in the URL, resolve to the date archive. + if ( preg_match( '/^([0-9]{4})\-([0-9]{2})/', $post->post_date, $matches ) && isset( $query_vars['year'] ) && ( 'monthnum' === $compare || 'day' === $compare ) ) { + // $matches[1] is the year the post was published. + if ( intval( $query_vars['year'] ) !== intval( $matches[1] ) ) { + return $query_vars; + } + + // $matches[2] is the month the post was published. + if ( 'day' === $compare && isset( $query_vars['monthnum'] ) && intval( $query_vars['monthnum'] ) !== intval( $matches[2] ) ) { + return $query_vars; + } + } + + /* + * If the located post contains nextpage pagination, then the URL chunk following postname may be + * intended as the page number. Verify that it's a valid page before resolving to it. + */ + $maybe_page = ''; + if ( 'year' === $compare && isset( $query_vars['monthnum'] ) ) { + $maybe_page = $query_vars['monthnum']; + } elseif ( 'monthnum' === $compare && isset( $query_vars['day'] ) ) { + $maybe_page = $query_vars['day']; + } + + $post_page_count = substr_count( $post->post_content, '' ) + 1; + + // If the post doesn't have multiple pages, but a 'page' candidate is found, resolve to the date archive. + if ( 1 === $post_page_count && $maybe_page ) { + return $query_vars; + } + + // If the post has multiple pages and the 'page' number isn't valid, resolve to the date archive. + if ( $post_page_count > 1 && $maybe_page > $post_page_count ) { + return $query_vars; + } + + // If we've gotten to this point, we have a slug/date clash. First, adjust for nextpage. + if ( '' !== $maybe_page ) { + $query_vars['page'] = intval( $maybe_page ); + } + + // Next, unset autodetected date-related query vars. + unset( $query_vars['year'] ); + unset( $query_vars['monthnum'] ); + unset( $query_vars['day'] ); + + // Then, set the identified post. + $query_vars['name'] = $post->post_name; + + // Finally, return the modified query vars. + return $query_vars; +} + /** * Examine a url and try to determine the post ID it represents. * @@ -220,18 +405,28 @@ function _wp_filter_taxonomy_base( $base ) { * * @since 1.0.0 * + * @global WP_Rewrite $wp_rewrite + * @global WP $wp + * * @param string $url Permalink to check. * @return int Post ID, or 0 on failure. */ -function url_to_postid($url) { +function url_to_postid( $url ) { global $wp_rewrite; - $url = apply_filters('url_to_postid', $url); + /** + * Filter the URL to derive the post ID from. + * + * @since 2.2.0 + * + * @param string $url The URL to derive the post ID from. + */ + $url = apply_filters( 'url_to_postid', $url ); // First, check to see if there is a 'p=N' or 'page_id=N' to match against if ( preg_match('#[?&](p|page_id|attachment_id)=(\d+)#', $url, $values) ) { $id = absint($values[2]); - if ($id) + if ( $id ) return $id; } @@ -242,11 +437,6 @@ function url_to_postid($url) { if ( empty($rewrite) ) return 0; - // $url cleanup by Mark Jaquith - // This fixes things like #anchors, ?query=strings, missing 'www.', - // added 'www.', or added 'index.php/' that will mess up our WP_Query - // and return a false negative - // Get rid of the #anchor $url_split = explode('#', $url); $url = $url_split[0]; @@ -256,61 +446,82 @@ function url_to_postid($url) { $url = $url_split[0]; // Add 'www.' if it is absent and should be there - if ( false !== strpos(get_option('home'), '://www.') && false === strpos($url, '://www.') ) + if ( false !== strpos(home_url(), '://www.') && false === strpos($url, '://www.') ) $url = str_replace('://', '://www.', $url); // Strip 'www.' if it is present and shouldn't be - if ( false === strpos(get_option('home'), '://www.') ) + if ( false === strpos(home_url(), '://www.') ) $url = str_replace('://www.', '://', $url); // Strip 'index.php/' if we're not using path info permalinks if ( !$wp_rewrite->using_index_permalinks() ) - $url = str_replace('index.php/', '', $url); + $url = str_replace( $wp_rewrite->index . '/', '', $url ); - if ( false !== strpos($url, get_option('home')) ) { - // Chop off http://domain.com - $url = str_replace(get_option('home'), '', $url); + if ( false !== strpos( trailingslashit( $url ), home_url( '/' ) ) ) { + // Chop off http://domain.com/[path] + $url = str_replace(home_url(), '', $url); } else { // Chop off /path/to/blog - $home_path = parse_url(get_option('home')); - $home_path = $home_path['path']; - $url = str_replace($home_path, '', $url); + $home_path = parse_url( home_url( '/' ) ); + $home_path = isset( $home_path['path'] ) ? $home_path['path'] : '' ; + $url = preg_replace( sprintf( '#^%s#', preg_quote( $home_path ) ), '', trailingslashit( $url ) ); } // Trim leading and lagging slashes $url = trim($url, '/'); $request = $url; + $post_type_query_vars = array(); - // Done with cleanup + foreach ( get_post_types( array() , 'objects' ) as $post_type => $t ) { + if ( ! empty( $t->query_var ) ) + $post_type_query_vars[ $t->query_var ] = $post_type; + } // Look for matches. $request_match = $request; - foreach ($rewrite as $match => $query) { + foreach ( (array)$rewrite as $match => $query) { + // If the requesting file is the anchor of the match, prepend it // to the path info. - if ( (! empty($url)) && (strpos($match, $url) === 0) && ($url != $request)) { + if ( !empty($url) && ($url != $request) && (strpos($match, $url) === 0) ) $request_match = $url . '/' . $request; - } - if ( preg_match("!^$match!", $request_match, $matches) ) { + if ( preg_match("#^$match#", $request_match, $matches) ) { + + if ( $wp_rewrite->use_verbose_page_rules && preg_match( '/pagename=\$matches\[([0-9]+)\]/', $query, $varmatch ) ) { + // This is a verbose page match, let's check to be sure about it. + if ( ! get_page_by_path( $matches[ $varmatch[1] ] ) ) + continue; + } + // Got a match. // Trim the query of everything up to the '?'. $query = preg_replace("!^.+\?!", '', $query); // Substitute the substring matches into the query. $query = addslashes(WP_MatchesMapRegex::apply($query, $matches)); + // Filter out non-public query vars global $wp; - parse_str($query, $query_vars); + parse_str( $query, $query_vars ); $query = array(); foreach ( (array) $query_vars as $key => $value ) { - if ( in_array($key, $wp->public_query_vars) ) + if ( in_array( $key, $wp->public_query_vars ) ){ $query[$key] = $value; + if ( isset( $post_type_query_vars[$key] ) ) { + $query['post_type'] = $post_type_query_vars[$key]; + $query['name'] = $value; + } + } } + + // Resolve conflicts between posts with numeric slugs and date archive queries. + $query = wp_resolve_numeric_slug_conflicts( $query ); + // Do the query - $query = new WP_Query($query); - if ( $query->is_single || $query->is_page ) + $query = new WP_Query( $query ); + if ( ! empty( $query->posts ) && $query->is_singular ) return $query->post->ID; else return 0; @@ -336,121 +547,100 @@ function url_to_postid($url) { */ class WP_Rewrite { /** - * Default permalink structure for WordPress. + * Permalink structure for posts. * * @since 1.5.0 - * @access private * @var string */ - var $permalink_structure; + public $permalink_structure; /** * Whether to add trailing slashes. * * @since 2.2.0 - * @access private * @var bool */ - var $use_trailing_slashes; + public $use_trailing_slashes; /** - * Customized or default category permalink base ( example.com/xx/tagname ). + * Base for the author permalink structure (example.com/$author_base/authorname). * * @since 1.5.0 * @access private * @var string */ - var $category_base; - - /** - * Customized or default tag permalink base ( example.com/xx/tagname ). - * - * @since 2.3.0 - * @access private - * @var string - */ - var $tag_base; + var $author_base = 'author'; /** - * Permalink request structure for categories. + * Permalink structure for author archives. * * @since 1.5.0 * @access private * @var string */ - var $category_structure; - - /** - * Permalink request structure for tags. - * - * @since 2.3.0 - * @access private - * @var string - */ - var $tag_structure; + var $author_structure; /** - * Permalink author request base ( example.com/author/authorname ). + * Permalink structure for date archives. * * @since 1.5.0 * @access private * @var string */ - var $author_base = 'author'; + var $date_structure; /** - * Permalink request structure for author pages. + * Permalink structure for pages. * * @since 1.5.0 * @access private * @var string */ - var $author_structure; + var $page_structure; /** - * Permalink request structure for dates. + * Base of the search permalink structure (example.com/$search_base/query). * * @since 1.5.0 * @access private * @var string */ - var $date_structure; + var $search_base = 'search'; /** - * Permalink request structure for pages. + * Permalink structure for searches. * * @since 1.5.0 * @access private * @var string */ - var $page_structure; + var $search_structure; /** - * Search permalink base ( example.com/search/query ). + * Comments permalink base. * * @since 1.5.0 * @access private * @var string */ - var $search_base = 'search'; + var $comments_base = 'comments'; /** - * Permalink request structure for searches. + * Pagination permalink base. * - * @since 1.5.0 - * @access private + * @since 3.1.0 * @var string */ - var $search_structure; + public $pagination_base = 'page'; /** - * Comments permalink base. + * Comments pagination permalink base. * - * @since 1.5.0 + * @since 4.2.0 * @access private * @var string */ - var $comments_base = 'comments'; + var $comments_pagination_base = 'comment-page'; /** * Feed permalink base. @@ -462,16 +652,16 @@ class WP_Rewrite { var $feed_base = 'feed'; /** - * Comments feed request structure permalink. + * Comments feed permalink structure. * * @since 1.5.0 * @access private * @var string */ - var $comments_feed_structure; + var $comment_feed_structure; /** - * Feed request structure permalink. + * Feed request permalink structure. * * @since 1.5.0 * @access private @@ -480,42 +670,43 @@ class WP_Rewrite { var $feed_structure; /** - * Front URL path. + * The static portion of the post permalink structure. * - * The difference between the root property is that WordPress might be - * located at example/WordPress/index.php, if permalinks are turned off. The - * WordPress/index.php will be the front portion. If permalinks are turned - * on, this will most likely be empty or not set. + * If the permalink structure is "/archive/%post_id%" then the front + * is "/archive/". If the permalink structure is "/%year%/%postname%/" + * then the front is "/". * + * @see WP_Rewrite::init() * @since 1.5.0 - * @access private * @var string */ - var $front; + public $front; /** - * Root URL path to WordPress (without domain). + * The prefix for all permalink structures. * - * The difference between front property is that WordPress might be located - * at example.com/WordPress/. The root is the 'WordPress/' portion. + * If PATHINFO/index permalinks are in use then the root is the value of + * {@link WP_Rewrite::$index} with a trailing slash appended. Otherwise + * the root will be empty. * + * @see WP_Rewrite::init() + * @see WP_Rewrite::using_index_permalinks() * @since 1.5.0 - * @access private * @var string */ - var $root = ''; + public $root = ''; /** - * Permalink to the home page. + * The name of the index file which is the entry point to all requests. * * @since 1.5.0 * @access public * @var string */ - var $index = 'index.php'; + public $index = 'index.php'; /** - * Request match string. + * Variable name to use for regex matches in the rewritten query. * * @since 1.5.0 * @access private @@ -541,7 +732,7 @@ class WP_Rewrite { * @access private * @var array */ - var $extra_rules = array(); // + var $extra_rules = array(); /** * Additional rules that belong at the beginning to match first. @@ -552,21 +743,22 @@ class WP_Rewrite { * @access private * @var array */ - var $extra_rules_top = array(); // + var $extra_rules_top = array(); /** - * Rules that don't redirect to WP's index.php. + * Rules that don't redirect to WordPress' index.php. * - * These rules are written to the mod_rewrite portion of the .htaccess. + * These rules are written to the mod_rewrite portion of the .htaccess, + * and are added by {@link add_external_rule()}. * * @since 2.1.0 * @access private * @var array */ - var $non_wp_rules = array(); // + var $non_wp_rules = array(); /** - * Extra permalink structures. + * Extra permalink structures, e.g. categories, added by {@link add_permastruct()}. * * @since 2.1.0 * @access private @@ -575,115 +767,122 @@ class WP_Rewrite { var $extra_permastructs = array(); /** - * Endpoints permalinks + * Endpoints (like /trackback/) added by {@link add_rewrite_endpoint()}. * - * @since unknown + * @since 2.1.0 * @access private * @var array */ var $endpoints; /** - * Whether to write every mod_rewrite rule for WordPress. + * 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. * + * @see WP_Rewrite::mod_rewrite_rules() * @since 2.0.0 * @access public * @var bool */ - var $use_verbose_rules = false; + public $use_verbose_rules = false; /** - * Whether to write every mod_rewrite rule for WordPress pages. + * 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 {@link WP::parse_request()} to check if a URL matching the + * page permastruct is actually a page before accepting it. * + * @link https://core.trac.wordpress.org/ticket/16687 + * @see WP_Rewrite::init() * @since 2.5.0 * @access public * @var bool */ - var $use_verbose_page_rules = true; + public $use_verbose_page_rules = true; /** - * Permalink structure search for preg_replace. + * Rewrite tags that can be used in permalink structures. + * + * These are translated into the regular expressions stored in + * {@link WP_Rewrite::$rewritereplace} and are rewritten to the + * query variables listed in {@link WP_Rewrite::$queryreplace}. + * + * Additional tags can be added with {@link add_rewrite_tag()}. * * @since 1.5.0 * @access private * @var array */ - var $rewritecode = - array( - '%year%', - '%monthnum%', - '%day%', - '%hour%', - '%minute%', - '%second%', - '%postname%', - '%post_id%', - '%category%', - '%tag%', - '%author%', - '%pagename%', - '%search%' - ); - - /** - * Preg_replace values for the search, see {@link WP_Rewrite::$rewritecode}. + var $rewritecode = array( + '%year%', + '%monthnum%', + '%day%', + '%hour%', + '%minute%', + '%second%', + '%postname%', + '%post_id%', + '%author%', + '%pagename%', + '%search%' + ); + + /** + * Regular expressions to be substituted into rewrite rules in place + * of rewrite tags, see {@link WP_Rewrite::$rewritecode}. * * @since 1.5.0 * @access private * @var array */ - var $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]+)', - '(.+?)', - '(.+?)', - '([^/]+)', - '([^/]+?)', - '(.+)' - ); - - /** - * Search for the query to look for replacing. + var $rewritereplace = array( + '([0-9]{4})', + '([0-9]{1,2})', + '([0-9]{1,2})', + '([0-9]{1,2})', + '([0-9]{1,2})', + '([0-9]{1,2})', + '([^/]+)', + '([0-9]+)', + '([^/]+)', + '([^/]+?)', + '(.+)' + ); + + /** + * Query variables that rewrite tags map to, see {@link WP_Rewrite::$rewritecode}. * * @since 1.5.0 * @access private * @var array */ - var $queryreplace = - array ( - 'year=', - 'monthnum=', - 'day=', - 'hour=', - 'minute=', - 'second=', - 'name=', - 'p=', - 'category_name=', - 'tag=', - 'author_name=', - 'pagename=', - 's=' - ); + var $queryreplace = array( + 'year=', + 'monthnum=', + 'day=', + 'hour=', + 'minute=', + 'second=', + 'name=', + 'p=', + 'author_name=', + 'pagename=', + 's=' + ); /** * Supported default feeds. * * @since 1.5.0 - * @access private * @var array */ - var $feeds = array ( 'feed', 'rdf', 'rss', 'rss2', 'atom' ); + public $feeds = array( 'feed', 'rdf', 'rss', 'rss2', 'atom' ); /** * Whether permalinks are being used. @@ -695,11 +894,8 @@ class WP_Rewrite { * * @return bool True, if permalinks are enabled. */ - function using_permalinks() { - if (empty($this->permalink_structure)) - return false; - else - return true; + public function using_permalinks() { + return ! empty($this->permalink_structure); } /** @@ -712,17 +908,12 @@ class WP_Rewrite { * * @return bool */ - function using_index_permalinks() { - if (empty($this->permalink_structure)) { + 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. - if (preg_match('#^/*' . $this->index . '#', $this->permalink_structure)) { - return true; - } - - return false; + return preg_match( '#^/*' . $this->index . '#', $this->permalink_structure ); } /** @@ -735,11 +926,8 @@ class WP_Rewrite { * * @return bool */ - function using_mod_rewrite_permalinks() { - if ( $this->using_permalinks() && ! $this->using_index_permalinks()) - return true; - else - return false; + public function using_mod_rewrite_permalinks() { + return $this->using_permalinks() && ! $this->using_index_permalinks(); } /** @@ -758,7 +946,7 @@ class WP_Rewrite { * @param int $number Index number. * @return string */ - function preg_index($number) { + public function preg_index($number) { $match_prefix = '$'; $match_suffix = ''; @@ -779,27 +967,32 @@ class WP_Rewrite { * @since 2.5.0 * @access public * + * @global wpdb $wpdb + * * @return array Array of page URIs as first element and attachment URIs as second element. */ - function page_uri_index() { + public function page_uri_index() { global $wpdb; //get pages in order of hierarchy, i.e. children after parents - $posts = get_page_hierarchy($wpdb->get_results("SELECT ID, post_name, post_parent FROM $wpdb->posts WHERE post_type = 'page'")); + $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(); $page_attachment_uris = array(); - if ( !$posts ) - return array( array(), array() ); - - foreach ($posts as $id => $post) { + 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 ( $attachments ) { + if ( !empty($attachments) ) { foreach ( $attachments as $attachment ) { $attach_uri = get_page_uri($attachment->ID); $page_attachment_uris[$attach_uri] = $attachment->ID; @@ -815,44 +1008,16 @@ class WP_Rewrite { /** * Retrieve all of the rewrite rules for pages. * - * If the 'use_verbose_page_rules' property is false, then there will only - * be a single rewrite rule for pages for those matching '%pagename%'. With - * the property set to true, the attachments and the pages will be added for - * each individual attachment URI and page URI, respectively. - * * @since 1.5.0 * @access public * * @return array */ - function page_rewrite_rules() { - $rewrite_rules = array(); - $page_structure = $this->get_page_permastruct(); - - if ( ! $this->use_verbose_page_rules ) { - $this->add_rewrite_tag('%pagename%', "(.+?)", 'pagename='); - $rewrite_rules = array_merge($rewrite_rules, $this->generate_rewrite_rules($page_structure, EP_PAGES)); - return $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=' ); - $page_uris = $this->page_uri_index(); - $uris = $page_uris[0]; - $attachment_uris = $page_uris[1]; - - if( is_array( $attachment_uris ) ) { - foreach ($attachment_uris as $uri => $pagename) { - $this->add_rewrite_tag('%pagename%', "($uri)", 'attachment='); - $rewrite_rules = array_merge($rewrite_rules, $this->generate_rewrite_rules($page_structure, EP_PAGES)); - } - } - if( is_array( $uris ) ) { - foreach ($uris as $uri => $pagename) { - $this->add_rewrite_tag('%pagename%', "($uri)", 'pagename='); - $rewrite_rules = array_merge($rewrite_rules, $this->generate_rewrite_rules($page_structure, EP_PAGES)); - } - } - - return $rewrite_rules; + return $this->generate_rewrite_rules( $this->get_page_permastruct(), EP_PAGES, true, true, false, false ); } /** @@ -873,14 +1038,13 @@ class WP_Rewrite { * @since 1.5.0 * @access public * - * @return bool|string False on no permalink structure. Date permalink structure. + * @return string|false False on no permalink structure. Date permalink structure. */ - function get_date_permastruct() { - if (isset($this->date_structure)) { + public function get_date_permastruct() { + if ( isset($this->date_structure) ) return $this->date_structure; - } - if (empty($this->permalink_structure)) { + if ( empty($this->permalink_structure) ) { $this->date_structure = ''; return false; } @@ -891,8 +1055,8 @@ class WP_Rewrite { $this->date_structure = ''; $date_endian = ''; - foreach ($endians as $endian) { - if (false !== strpos($this->permalink_structure, $endian)) { + foreach ( $endians as $endian ) { + if ( false !== strpos($this->permalink_structure, $endian) ) { $date_endian= $endian; break; } @@ -907,7 +1071,7 @@ class WP_Rewrite { preg_match_all('/%.+?%/', $this->permalink_structure, $tokens); $tok_index = 1; foreach ( (array) $tokens[0] as $token) { - if ( ($token == '%post_id%') && ($tok_index <= 3) ) { + if ( '%post_id%' == $token && ($tok_index <= 3) ) { $front = $front . 'date/'; break; } @@ -928,18 +1092,16 @@ class WP_Rewrite { * @since 1.5.0 * @access public * - * @return bool|string False on failure. Year structure on success. + * @return false|string False on failure. Year structure on success. */ - function get_year_permastruct() { - $structure = $this->get_date_permastruct($this->permalink_structure); + public function get_year_permastruct() { + $structure = $this->get_date_permastruct(); - if (empty($structure)) { + if ( empty($structure) ) return false; - } $structure = str_replace('%monthnum%', '', $structure); $structure = str_replace('%day%', '', $structure); - $structure = preg_replace('#/+#', '/', $structure); return $structure; @@ -954,17 +1116,15 @@ class WP_Rewrite { * @since 1.5.0 * @access public * - * @return bool|string False on failure. Year/Month structure on success. + * @return false|string False on failure. Year/Month structure on success. */ - function get_month_permastruct() { - $structure = $this->get_date_permastruct($this->permalink_structure); + public function get_month_permastruct() { + $structure = $this->get_date_permastruct(); - if (empty($structure)) { + if ( empty($structure) ) return false; - } $structure = str_replace('%day%', '', $structure); - $structure = preg_replace('#/+#', '/', $structure); return $structure; @@ -978,10 +1138,10 @@ class WP_Rewrite { * @since 1.5.0 * @access public * - * @return bool|string False on failure. Year/Month/Day structure on success. + * @return string|false False on failure. Year/Month/Day structure on success. */ - function get_day_permastruct() { - return $this->get_date_permastruct($this->permalink_structure); + public function get_day_permastruct() { + return $this->get_date_permastruct(); } /** @@ -995,26 +1155,10 @@ class WP_Rewrite { * @since 1.5.0 * @access public * - * @return bool|string False on failure. Category permalink structure. + * @return string|false False on failure. Category permalink structure. */ - function get_category_permastruct() { - if (isset($this->category_structure)) { - return $this->category_structure; - } - - if (empty($this->permalink_structure)) { - $this->category_structure = ''; - return false; - } - - if (empty($this->category_base)) - $this->category_structure = trailingslashit( $this->front . 'category' ); - else - $this->category_structure = trailingslashit( '/' . $this->root . $this->category_base ); - - $this->category_structure .= '%category%'; - - return $this->category_structure; + public function get_category_permastruct() { + return $this->get_extra_permastruct('category'); } /** @@ -1028,42 +1172,28 @@ class WP_Rewrite { * @since 2.3.0 * @access public * - * @return bool|string False on failure. Tag permalink structure. + * @return string|false False on failure. Tag permalink structure. */ - function get_tag_permastruct() { - if (isset($this->tag_structure)) { - return $this->tag_structure; - } - - if (empty($this->permalink_structure)) { - $this->tag_structure = ''; - return false; - } - - if (empty($this->tag_base)) - $this->tag_structure = trailingslashit( $this->front . 'tag' ); - else - $this->tag_structure = trailingslashit( '/' . $this->root . $this->tag_base ); - - $this->tag_structure .= '%tag%'; - - return $this->tag_structure; + public function get_tag_permastruct() { + return $this->get_extra_permastruct('post_tag'); } /** * Retrieve extra permalink structure by name. * - * @since unknown + * @since 2.5.0 * @access public * * @param string $name Permalink structure name. - * @return string|bool False if not found. Permalink structure string. + * @return string|false False if not found. Permalink structure string. */ - function get_extra_permastruct($name) { + public function get_extra_permastruct($name) { if ( empty($this->permalink_structure) ) return false; + if ( isset($this->extra_permastructs[$name]) ) - return $this->extra_permastructs[$name]; + return $this->extra_permastructs[$name]['struct']; + return false; } @@ -1077,14 +1207,13 @@ class WP_Rewrite { * @since 1.5.0 * @access public * - * @return string|bool False if not found. Permalink structure string. + * @return string|false False if not found. Permalink structure string. */ - function get_author_permastruct() { - if (isset($this->author_structure)) { + public function get_author_permastruct() { + if ( isset($this->author_structure) ) return $this->author_structure; - } - if (empty($this->permalink_structure)) { + if ( empty($this->permalink_structure) ) { $this->author_structure = ''; return false; } @@ -1104,14 +1233,13 @@ class WP_Rewrite { * @since 1.5.0 * @access public * - * @return string|bool False if not found. Permalink structure string. + * @return string|false False if not found. Permalink structure string. */ - function get_search_permastruct() { - if (isset($this->search_structure)) { + public function get_search_permastruct() { + if ( isset($this->search_structure) ) return $this->search_structure; - } - if (empty($this->permalink_structure)) { + if ( empty($this->permalink_structure) ) { $this->search_structure = ''; return false; } @@ -1131,12 +1259,11 @@ class WP_Rewrite { * @since 1.5.0 * @access public * - * @return string|bool False if not found. Permalink structure string. + * @return string|false False if not found. Permalink structure string. */ - function get_page_permastruct() { - if (isset($this->page_structure)) { + public function get_page_permastruct() { + if ( isset($this->page_structure) ) return $this->page_structure; - } if (empty($this->permalink_structure)) { $this->page_structure = ''; @@ -1158,14 +1285,13 @@ class WP_Rewrite { * @since 1.5.0 * @access public * - * @return string|bool False if not found. Permalink structure string. + * @return string|false False if not found. Permalink structure string. */ - function get_feed_permastruct() { - if (isset($this->feed_structure)) { + public function get_feed_permastruct() { + if ( isset($this->feed_structure) ) return $this->feed_structure; - } - if (empty($this->permalink_structure)) { + if ( empty($this->permalink_structure) ) { $this->feed_structure = ''; return false; } @@ -1185,12 +1311,11 @@ class WP_Rewrite { * @since 1.5.0 * @access public * - * @return string|bool False if not found. Permalink structure string. + * @return string|false False if not found. Permalink structure string. */ - function get_comment_feed_permastruct() { - if (isset($this->comment_feed_structure)) { + public function get_comment_feed_permastruct() { + if ( isset($this->comment_feed_structure) ) return $this->comment_feed_structure; - } if (empty($this->permalink_structure)) { $this->comment_feed_structure = ''; @@ -1203,36 +1328,35 @@ class WP_Rewrite { } /** - * Append or update tag, pattern, and query for replacement. + * Add or update existing rewrite tags (e.g. %postname%). * * If the tag already exists, replace the existing pattern and query for - * that tag, otherwise add the new tag, pattern, and query to the end of the - * arrays. - * - * @internal What is the purpose of this function again? Need to finish long - * description. + * that tag, otherwise add the new tag. * + * @see WP_Rewrite::$rewritecode + * @see WP_Rewrite::$rewritereplace + * @see WP_Rewrite::$queryreplace * @since 1.5.0 * @access public * - * @param string $tag Append tag to rewritecode property array. - * @param string $pattern Append pattern to rewritereplace property array. - * @param string $query Append query to queryreplace property array. + * @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 $query String to append to the rewritten query. Must end in '='. */ - function add_rewrite_tag($tag, $pattern, $query) { - $position = array_search($tag, $this->rewritecode); + public function add_rewrite_tag( $tag, $regex, $query ) { + $position = array_search( $tag, $this->rewritecode ); if ( false !== $position && null !== $position ) { - $this->rewritereplace[$position] = $pattern; - $this->queryreplace[$position] = $query; + $this->rewritereplace[ $position ] = $regex; + $this->queryreplace[ $position ] = $query; } else { $this->rewritecode[] = $tag; - $this->rewritereplace[] = $pattern; + $this->rewritereplace[] = $regex; $this->queryreplace[] = $query; } } /** - * Generate the rules from permalink structure. + * Generate 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, @@ -1242,38 +1366,39 @@ class WP_Rewrite { * @access public * * @param string $permalink_structure The permalink structure. - * @param int $ep_mask Optional, default is EP_NONE. Endpoint constant, see EP_* constants. - * @param bool $paged Optional, default is true. Whether permalink request is paged. - * @param bool $feed Optional, default is true. Whether for feed. - * @param bool $forcomments Optional, default is false. Whether for comments. - * @param bool $walk_dirs Optional, default is true. Whether to create list of directories to walk over. - * @param bool $endpoints Optional, default is true. Whether endpoints are enabled. + * @param int $ep_mask Endpoint mask defining what endpoints are added to the structure. Default is EP_NONE. + * @param bool $paged Should archive pagination rules be added for the structure? Default is true. + * @param bool $feed Should feed rewrite rules be added for the structure? Default is true. + * @param bool $forcomments Should the feed rules be a query for a comments feed? Default is false. + * @param bool $walk_dirs Should the 'directories' making up the structure be walked over and rewrite rules + * built for each in turn? Default is true. + * @param bool $endpoints Should endpoints be applied to the generated rewrite rules? Default is true. * @return array Rewrite rule list. */ - function generate_rewrite_rules($permalink_structure, $ep_mask = EP_NONE, $paged = true, $feed = true, $forcomments = false, $walk_dirs = true, $endpoints = true) { + public function generate_rewrite_rules($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) { + foreach ( (array) $this->feeds as $feed_name) $feedregex2 .= $feed_name . '|'; - } - $feedregex2 = '(' . trim($feedregex2, '|') . ')/?$'; + $feedregex2 = '(' . trim($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; + $feedregex = $this->feed_base . '/' . $feedregex2; //build a regex to match the trackback and page/xx parts of URLs $trackbackregex = 'trackback/?$'; - $pageregex = 'page/?([0-9]{1,})/?$'; - $commentregex = 'comment-page-([0-9]{1,})/?$'; + $pageregex = $this->pagination_base . '/?([0-9]{1,})/?$'; + $commentregex = $this->comments_pagination_base . '-([0-9]{1,})/?$'; //build up an array of endpoint regexes to append => queries to append - if ($endpoints) { + 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[1] . '='; + $epquery = '&' . $endpoint[2] . '='; $ep_query_append[$epmatch] = array ( $endpoint[0], $epquery ); } } @@ -1290,12 +1415,12 @@ class WP_Rewrite { $trackbackindex = $index; //build a list from the rewritecode and queryreplace arrays, that will look something like //tagname=$matches[i] where i is the current $i - for ($i = 0; $i < $num_tokens; ++$i) { - if (0 < $i) { + $queries = array(); + for ( $i = 0; $i < $num_tokens; ++$i ) { + if ( 0 < $i ) $queries[$i] = $queries[$i - 1] . '&'; - } else { + else $queries[$i] = ''; - } $query_token = str_replace($this->rewritecode, $this->queryreplace, $tokens[0][$i]) . $this->preg_index($i+1); $queries[$i] .= $query_token; @@ -1303,18 +1428,14 @@ class WP_Rewrite { //get the structure, minus any cruft (stuff that isn't tags) at the front $structure = $permalink_structure; - if ($front != '/') { + 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%/%month%/%postname% would create - //rewrite rules for /%year%/, /%year%/%month%/ and /%year%/%month%/%postname% + //so for example, a $structure of /%year%/%monthnum%/%postname% would create + //rewrite rules for /%year%/, /%year%/%monthnum%/ and /%year%/%monthnum%/%postname% $structure = trim($structure, '/'); - if ($walk_dirs) { - $dirs = explode('/', $structure); - } else { - $dirs[] = $structure; - } + $dirs = $walk_dirs ? explode('/', $structure) : array( $structure ); $num_dirs = count($dirs); //strip slashes from the front of $front @@ -1323,22 +1444,33 @@ class WP_Rewrite { //the main workhorse loop $post_rewrite = array(); $struct = $front; - for ($j = 0; $j < $num_dirs; ++$j) { + 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]' - $query = ( isset($queries) && is_array($queries) ) ? $queries[$num_toks - 1] : ''; + $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; + 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 @@ -1364,36 +1496,35 @@ class WP_Rewrite { $feedquery2 = $feedindex . '?' . $query . '&feed=' . $this->preg_index($num_toks + 1); //if asked to, turn the feed queries into comment feed ones - if ($forcomments) { + if ( $forcomments ) { $feedquery .= '&withcomments=1'; $feedquery2 .= '&withcomments=1'; } //start creating the array of rewrites for this dir $rewrite = array(); - if ($feed) //...adding on /feed/ regexes => queries + if ( $feed ) //...adding on /feed/ regexes => queries $rewrite = array($feedmatch => $feedquery, $feedmatch2 => $feedquery2); - if ($paged) //...and /page/xx ones + if ( $paged ) //...and /page/xx ones $rewrite = array_merge($rewrite, array($pagematch => $pagequery)); //only on pages with comments add ../comment-page-xx/ - if ( EP_PAGES & $ep_mask || EP_PERMALINK & $ep_mask || EP_NONE & $ep_mask ) + if ( EP_PAGES & $ep_mask || EP_PERMALINK & $ep_mask ) { $rewrite = array_merge($rewrite, array($commentmatch => $commentquery)); - else if ( EP_ROOT & $ep_mask && get_option('page_on_front') ) + } elseif ( EP_ROOT & $ep_mask && get_option('page_on_front') ) { $rewrite = array_merge($rewrite, array($rootcommentmatch => $rootcommentquery)); - + } //do endpoints - if ($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) { + 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) { + if ( $num_toks ) { $post = false; $page = false; @@ -1401,24 +1532,36 @@ class WP_Rewrite { //individual post. Do this by checking it contains at least one of 1) post name, //2) post ID, 3) page name, 4) timestamp (year, month, day, hour, second and //minute all present). Set these flags now as we need them for the endpoints. - if (strpos($struct, '%postname%') !== false || strpos($struct, '%post_id%') !== false + if ( strpos($struct, '%postname%') !== false + || strpos($struct, '%post_id%') !== false || strpos($struct, '%pagename%') !== false - || (strpos($struct, '%year%') !== false && strpos($struct, '%monthnum%') !== false && strpos($struct, '%day%') !== false && strpos($struct, '%hour%') !== false && strpos($struct, '%minute%') !== false && strpos($struct, '%second%') !== false)) { + || (strpos($struct, '%year%') !== false && strpos($struct, '%monthnum%') !== false && strpos($struct, '%day%') !== false && strpos($struct, '%hour%') !== false && strpos($struct, '%minute%') !== false && strpos($struct, '%second%') !== false) + ) { $post = true; - if (strpos($struct, '%pagename%') !== false) + if ( strpos($struct, '%pagename%') !== false ) $page = true; } + if ( ! $post ) { + // For custom post types, we need to add on endpoints as well. + foreach ( get_post_types( array('_builtin' => false ) ) as $ptype ) { + if ( strpos($struct, "%$ptype%") !== false ) { + $post = true; + $page = is_post_type_hierarchical( $ptype ); // This is for page style attachment url's + break; + } + } + } + //if we're creating rules for a permalink, do all the endpoints like attachments etc - if ($post) { - $post = true; + if ( $post ) { //create query and regex for trackback $trackbackmatch = $match . $trackbackregex; $trackbackquery = $trackbackindex . '?' . $query . '&tb=1'; //trim slashes from the end of the regex for this dir $match = rtrim($match, '/'); //get rid of brackets - $submatchbase = str_replace(array('(',')'),'',$match); + $submatchbase = str_replace( array('(', ')'), '', $match); //add a rule for at attachments, which take the form of /some-text $sub1 = $submatchbase . '/([^/]+)/'; @@ -1426,8 +1569,6 @@ class WP_Rewrite { $sub1feed = $sub1 . $feedregex; //and /feed/(atom|...) $sub1feed2 = $sub1 . $feedregex2; //and /(feed|atom...) $sub1comment = $sub1 . $commentregex; //and /comment-page-xx - //add an ? as we don't have to match that last slash, and finally a $ so we - //match to the end of the URL //add another rule to match attachments in the explicit form: ///attachment/some-text @@ -1444,18 +1585,22 @@ class WP_Rewrite { $subcommentquery = $subquery . '&cpage=' . $this->preg_index(2); //do endpoints for attachments - if ( !empty($endpoints) ) { foreach ( (array) $ep_query_append as $regex => $ep ) { - if ($ep[0] & EP_ATTACHMENT) { - $rewrite[$sub1 . $regex] = $subquery . $ep[1] . $this->preg_index(2); - $rewrite[$sub2 . $regex] = $subquery . $ep[1] . $this->preg_index(2); + if ( !empty($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 $sub1 .= '?$'; $sub2 .= '?$'; - //allow URLs like /2 for /page/2 + //post pagination, e.g. /2/ $match = $match . '(/[0-9]+)?/?$'; $query = $index . '?' . $query . '&page=' . $this->preg_index($num_toks + 1); } else { //not matching a permalink so this is a lot simpler @@ -1470,7 +1615,7 @@ class WP_Rewrite { $rewrite = array_merge($rewrite, array($match => $query)); //if we're matching a permalink, add those extras (attachments etc) on - if ($post) { + if ( $post ) { //add trackback $rewrite = array_merge(array($trackbackmatch => $trackbackquery), $rewrite); @@ -1498,10 +1643,10 @@ class WP_Rewrite { * @access public * * @param string $permalink_structure The permalink structure to generate rules. - * @param bool $walk_dirs Optional, default is false. Whether to create list of directories to walk over. + * @param bool $walk_dirs Optional, default is false. Whether to create list of directories to walk over. * @return array */ - function generate_rewrite_rule($permalink_structure, $walk_dirs = false) { + public function generate_rewrite_rule($permalink_structure, $walk_dirs = false) { return $this->generate_rewrite_rules($permalink_structure, EP_NONE, false, false, false, $walk_dirs); } @@ -1523,73 +1668,190 @@ class WP_Rewrite { * * @return array An associate array of matches and queries. */ - function rewrite_rules() { + public function rewrite_rules() { $rewrite = array(); - if (empty($this->permalink_structure)) { + if ( empty($this->permalink_structure) ) return $rewrite; - } - // robots.txt - $robots_rewrite = array('robots\.txt$' => $this->index . '?robots=1'); + // 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(); + + // 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'; + } + $registration_pages['.*wp-register.php$'] = $this->index . '?register=true'; // Deprecated - //Default Feed rules - These are require to allow for the direct access files to work with permalink structure starting with %category% - $default_feeds = array( '.*wp-atom.php$' => $this->index .'?feed=atom', - '.*wp-rdf.php$' => $this->index .'?feed=rdf', - '.*wp-rss.php$' => $this->index .'?feed=rss', - '.*wp-rss2.php$' => $this->index .'?feed=rss2', - '.*wp-feed.php$' => $this->index .'?feed=feed', - '.*wp-commentsrss2.php$' => $this->index . '?feed=rss2&withcomments=1'); + // Post rewrite rules. + $post_rewrite = $this->generate_rewrite_rules( $this->permalink_structure, EP_PERMALINK ); - // Post - $post_rewrite = $this->generate_rewrite_rules($this->permalink_structure, EP_PERMALINK); - $post_rewrite = apply_filters('post_rewrite_rules', $post_rewrite); + /** + * Filter rewrite rules used for "post" archives. + * + * @since 1.5.0 + * + * @param array $post_rewrite The rewrite rules for posts. + */ + $post_rewrite = apply_filters( 'post_rewrite_rules', $post_rewrite ); - // Date + // Date rewrite rules. $date_rewrite = $this->generate_rewrite_rules($this->get_date_permastruct(), EP_DATE); - $date_rewrite = apply_filters('date_rewrite_rules', $date_rewrite); - // Root + /** + * Filter rewrite rules used for date archives. + * + * Likely date archives would include /yyyy/, /yyyy/mm/, and /yyyy/mm/dd/. + * + * @since 1.5.0 + * + * @param array $date_rewrite The rewrite rules for date archives. + */ + $date_rewrite = apply_filters( 'date_rewrite_rules', $date_rewrite ); + + // Root-level rewrite rules. $root_rewrite = $this->generate_rewrite_rules($this->root . '/', EP_ROOT); - $root_rewrite = apply_filters('root_rewrite_rules', $root_rewrite); - - // Comments - $comments_rewrite = $this->generate_rewrite_rules($this->root . $this->comments_base, EP_COMMENTS, true, true, true, false); - $comments_rewrite = apply_filters('comments_rewrite_rules', $comments_rewrite); - // Search + /** + * Filter 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 array $root_rewrite The root-level rewrite rules. + */ + $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); + + /** + * Filter rewrite rules used for comment feed archives. + * + * Likely comments feed archives include /comments/feed/, and /comments/feed/atom/. + * + * @since 1.5.0 + * + * @param array $comments_rewrite The rewrite rules for the site-wide comments feeds. + */ + $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); - $search_rewrite = apply_filters('search_rewrite_rules', $search_rewrite); - // Categories - $category_rewrite = $this->generate_rewrite_rules($this->get_category_permastruct(), EP_CATEGORIES); - $category_rewrite = apply_filters('category_rewrite_rules', $category_rewrite); - - // Tags - $tag_rewrite = $this->generate_rewrite_rules($this->get_tag_permastruct(), EP_TAGS); - $tag_rewrite = apply_filters('tag_rewrite_rules', $tag_rewrite); - - // Authors + /** + * Filter 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 array $search_rewrite The rewrite rules for search queries. + */ + $search_rewrite = apply_filters( 'search_rewrite_rules', $search_rewrite ); + + // Author rewrite rules. $author_rewrite = $this->generate_rewrite_rules($this->get_author_permastruct(), EP_AUTHORS); - $author_rewrite = apply_filters('author_rewrite_rules', $author_rewrite); - // Pages + /** + * Filter 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 array $author_rewrite The rewrite rules for author archives. + */ + $author_rewrite = apply_filters( 'author_rewrite_rules', $author_rewrite ); + + // Pages rewrite rules. $page_rewrite = $this->page_rewrite_rules(); - $page_rewrite = apply_filters('page_rewrite_rules', $page_rewrite); - // Extra permastructs - foreach ( $this->extra_permastructs as $permastruct ) - $this->extra_rules_top = array_merge($this->extra_rules_top, $this->generate_rewrite_rules($permastruct, EP_NONE)); + /** + * Filter rewrite rules used for "page" post type archives. + * + * @since 1.5.0 + * + * @param array $page_rewrite The rewrite rules for the "page" post type. + */ + $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( $struct ); + } + + /** + * Filter rewrite rules used for individual permastructs. + * + * The dynamic portion of the hook name, `$permastructname`, refers + * to the name of the registered permastruct, e.g. 'post_tag' (tags), + * 'category' (categories), etc. + * + * @since 3.1.0 + * + * @param array $rules The rewrite rules generated for the current permastruct. + */ + $rules = apply_filters( $permastructname . '_rewrite_rules', $rules ); + if ( 'post_tag' == $permastructname ) { + + /** + * Filter rewrite rules used specifically for Tags. + * + * @since 2.3.0 + * @deprecated 3.1.0 Use 'post_tag_rewrite_rules' instead + * + * @param array $rules The rewrite rules generated for tags. + */ + $rules = apply_filters( 'tag_rewrite_rules', $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, $default_feeds, $page_rewrite, $root_rewrite, $comments_rewrite, $search_rewrite, $category_rewrite, $tag_rewrite, $author_rewrite, $date_rewrite, $post_rewrite, $this->extra_rules); + $this->rules = array_merge($this->extra_rules_top, $robots_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, $default_feeds, $root_rewrite, $comments_rewrite, $search_rewrite, $category_rewrite, $tag_rewrite, $author_rewrite, $date_rewrite, $post_rewrite, $page_rewrite, $this->extra_rules); - - do_action_ref_array('generate_rewrite_rules', array(&$this)); - $this->rules = apply_filters('rewrite_rules_array', $this->rules); + $this->rules = array_merge($this->extra_rules_top, $robots_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 $this Current WP_Rewrite instance, passed by reference. + */ + do_action_ref_array( 'generate_rewrite_rules', array( &$this ) ); + + /** + * Filter the full set of generated rewrite rules. + * + * @since 1.5.0 + * + * @param array $this->rules The compiled array of rewrite rules. + */ + $this->rules = apply_filters( 'rewrite_rules_array', $this->rules ); return $this->rules; } @@ -1608,7 +1870,7 @@ class WP_Rewrite { * * @return array Rewrite rules. */ - function wp_rewrite_rules() { + public function wp_rewrite_rules() { $this->rules = get_option('rewrite_rules'); if ( empty($this->rules) ) { $this->matches = 'matches'; @@ -1625,7 +1887,7 @@ class WP_Rewrite { * 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 + * Will add the non_wp_rules property rules to the .htaccess file before * the WordPress rewrite rules one. * * @since 1.5.0 @@ -1633,26 +1895,24 @@ class WP_Rewrite { * * @return string */ - function mod_rewrite_rules() { - if ( ! $this->using_permalinks()) { + public function mod_rewrite_rules() { + if ( ! $this->using_permalinks() ) return ''; - } - $site_root = parse_url(get_option('siteurl')); - if ( isset( $site_root['path'] ) ) { + $site_root = parse_url( site_url() ); + if ( isset( $site_root['path'] ) ) $site_root = trailingslashit($site_root['path']); - } - $home_root = parse_url(get_option('home')); - if ( isset( $home_root['path'] ) ) { + $home_root = parse_url(home_url()); + if ( isset( $home_root['path'] ) ) $home_root = trailingslashit($home_root['path']); - } else { + else $home_root = '/'; - } $rules = "\n"; $rules .= "RewriteEngine On\n"; $rules .= "RewriteBase $home_root\n"; + $rules .= "RewriteRule ^index\.php$ - [L]\n"; // Prevent -f checks on index.php. //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 => $query) { @@ -1661,14 +1921,14 @@ class WP_Rewrite { // If the match is unanchored and greedy, prepend rewrite conditions // to avoid infinite redirects and eclipsing of real files. - if ($match == '(.+)/?$' || $match == '([^/]+)/?$' ) { + //if ($match == '(.+)/?$' || $match == '([^/]+)/?$' ) { //nada. - } + //} $rules .= 'RewriteRule ^' . $match . ' ' . $home_root . $query . " [QSA,L]\n"; } - if ($this->use_verbose_rules) { + if ( $this->use_verbose_rules ) { $this->matches = ''; $rewrite = $this->rewrite_rules(); $num_rules = count($rewrite); @@ -1682,15 +1942,14 @@ class WP_Rewrite { // If the match is unanchored and greedy, prepend rewrite conditions // to avoid infinite redirects and eclipsing of real files. - if ($match == '(.+)/?$' || $match == '([^/]+)/?$' ) { + //if ($match == '(.+)/?$' || $match == '([^/]+)/?$' ) { //nada. - } + //} - if (strpos($query, $this->index) !== false) { + if ( strpos($query, $this->index) !== false ) $rules .= 'RewriteRule ^' . $match . ' ' . $home_root . $query . " [QSA,L]\n"; - } else { + else $rules .= 'RewriteRule ^' . $match . ' ' . $site_root . $query . " [QSA,L]\n"; - } } } else { $rules .= "RewriteCond %{REQUEST_FILENAME} !-f\n" . @@ -1700,10 +1959,25 @@ class WP_Rewrite { $rules .= "\n"; - $rules = apply_filters('mod_rewrite_rules', $rules); - $rules = apply_filters('rewrite_rules', $rules); // Deprecated - - return $rules; + /** + * + * Filter 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 ); + + /** + * Filter the list of rewrite rules formatted for output to an .htaccess file. + * + * @since 1.5.0 + * @deprecated 1.5.0 Use the mod_rewrite_rules filter instead. + * + * @param string $rules mod_rewrite Rewrite rules formatted for .htaccess. + */ + return apply_filters( 'rewrite_rules', $rules ); } /** @@ -1717,41 +1991,43 @@ class WP_Rewrite { * * @return string */ - function iis7_url_rewrite_rules($add_parent_tags = false, $indent = " ", $end_of_line = "\n") { - - if ( ! $this->using_permalinks()) { + public function iis7_url_rewrite_rules( $add_parent_tags = false ) { + if ( ! $this->using_permalinks() ) return ''; - } - $rules = ''; - $extra_indent = ''; if ( $add_parent_tags ) { - $rules .= "".$end_of_line; - $rules .= $indent."".$end_of_line; - $rules .= $indent.$indent."".$end_of_line; - $rules .= $indent.$indent.$indent."".$end_of_line; - $extra_indent = $indent.$indent.$indent.$indent; + $rules .= ' + + + '; } - - $rules .= $extra_indent."".$end_of_line; - $rules .= $extra_indent.$indent."".$end_of_line; - $rules .= $extra_indent.$indent.$indent."".$end_of_line; - $rules .= $extra_indent.$indent.$indent.$indent."".$end_of_line; - $rules .= $extra_indent.$indent.$indent.$indent."".$end_of_line; - $rules .= $extra_indent.$indent.$indent."".$end_of_line; - $rules .= $extra_indent.$indent."".$end_of_line; - $rules .= $extra_indent.""; - + + $rules .= ' + + + + + + + + '; + if ( $add_parent_tags ) { - $rules .= $end_of_line.$indent.$indent.$indent."".$end_of_line; - $rules .= $indent.$indent."".$end_of_line; - $rules .= $indent."".$end_of_line; - $rules .= ""; + $rules .= ' + + + +'; } - $rules = apply_filters('iis7_url_rewrite_rules', $rules); - - return $rules; + /** + * Filter 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 ); } /** @@ -1763,15 +2039,15 @@ class WP_Rewrite { * @since 2.1.0 * @access public * - * @param string $regex Regular expression to match against request. + * @param string $regex Regular expression to match against request. * @param string $redirect URL regex redirects to when regex matches request. - * @param string $after Optional, default is bottom. Location to place rule. + * @param string $after Optional, default is bottom. Location to place rule. */ - function add_rule($regex, $redirect, $after = 'bottom') { + public function add_rule($regex, $redirect, $after = 'bottom') { //get everything up to the first ? - $index = (strpos($redirect, '?') == false ? strlen($redirect) : strpos($redirect, '?')); + $index = (strpos($redirect, '?') === false ? strlen($redirect) : strpos($redirect, '?')); $front = substr($redirect, 0, $index); - if ($front != $this->index) { //it doesn't redirect to WP's index.php + if ( $front != $this->index ) { //it doesn't redirect to WP's index.php $this->add_external_rule($regex, $redirect); } else { if ( 'bottom' == $after) @@ -1790,47 +2066,99 @@ class WP_Rewrite { * @since 2.1.0 * @access public * - * @param string $regex Regular expression to match against request. + * @param string $regex Regular expression to match against request. * @param string $redirect URL regex redirects to when regex matches request. */ - function add_external_rule($regex, $redirect) { + public function add_external_rule($regex, $redirect) { $this->non_wp_rules[$regex] = $redirect; } /** * Add an endpoint, like /trackback/. * - * To be inserted after certain URL types (specified in $places). - * * @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`. * @access public * - * @param string $name Name of endpoint. - * @param array $places URL types that endpoint can be used. + * @see add_rewrite_endpoint() for full documentation. + * + * @global WP $wp + * + * @param string $name Name of the endpoint. + * @param int $places Endpoint mask describing the places the endpoint should be added. + * @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`. */ - function add_endpoint($name, $places) { + public function add_endpoint( $name, $places, $query_var = true ) { global $wp; - $this->endpoints[] = array ( $places, $name ); - $wp->add_query_var($name); + + // For backward compatibility, if `null` has explicitly been passed as `$query_var`, assume `true`. + if ( true === $query_var || null === func_get_arg( 2 ) ) { + $query_var = $name; + } + $this->endpoints[] = array( $places, $name, $query_var ); + + if ( $query_var ) { + $wp->add_query_var( $query_var ); + } } /** - * Add permalink structure. + * Add a new permalink structure. + * + * A permalink structure (permastruct) is an abstract definition of a set of rewrite rules; it + * is an easy way of expressing a set of regular expressions that rewrite to a set of query strings. + * The new permastruct is added to the {@link WP_Rewrite::$extra_permastructs} array. When the + * rewrite rules are built by {@link WP_Rewrite::rewrite_rules()} all of these extra permastructs + * are passed to {@link WP_Rewrite::generate_rewrite_rules()} which transforms them into the + * regular expressions that many love to hate. * - * These are added along with the extra rewrite rules that are merged to the - * top. + * The $args parameter gives you control over how {@link WP_Rewrite::generate_rewrite_rules()} + * works on the new permastruct. * - * @since unknown + * @since 2.5.0 * @access public * - * @param string $name Name for permalink structure. - * @param string $struct Permalink structure. - * @param bool $with_front Prepend front base to permalink structure. - */ - function add_permastruct($name, $struct, $with_front = true) { - if ( $with_front ) + * @param string $name Name for permalink structure. + * @param string $struct Permalink structure (e.g. category/%category%) + * @param array $args Optional configuration for building the rules from the permalink structure: + * - with_front (bool) - Should the structure be prepended with WP_Rewrite::$front? Default is true. + * - ep_mask (int) - Endpoint mask defining what endpoints are added to the structure. Default is EP_NONE. + * - paged (bool) - Should archive pagination rules be added for the structure? Default is true. + * - feed (bool) - Should feed rewrite rules be added for the structure? Default is true. + * - forcomments (bool) - Should the feed rules be a query for a comments feed? Default is false. + * - walk_dirs (bool) - Should the 'directories' making up the structure be walked over and rewrite + * rules built for each in turn? Default is true. + * - endpoints (bool) - Should endpoints be applied to the generated rewrite rules? Default is true. + */ + public function add_permastruct( $name, $struct, $args = array() ) { + // backwards compatibility 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; - $this->extra_permastructs[$name] = $struct; + else + $struct = $this->root . $struct; + $args['struct'] = $struct; + + $this->extra_permastructs[ $name ] = $args; } /** @@ -1842,14 +2170,43 @@ class WP_Rewrite { * * @since 2.0.1 * @access public - * @param $hard bool Whether to update .htaccess (hard flush) or just update rewrite_rules option (soft flush). Default is true (hard). + * + * @staticvar bool $do_hard_later + * + * @param bool $hard Whether to update .htaccess (hard flush) or just update rewrite_rules option (soft flush). Default is true (hard). */ - function flush_rules($hard = true) { + 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 ); + } + delete_option('rewrite_rules'); $this->wp_rewrite_rules(); - if ( $hard && function_exists('save_mod_rewrite_rules') ) + /** + * Filter 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 ( $hard && function_exists('iis7_save_url_rewrite_rules') ) + if ( function_exists( 'iis7_save_url_rewrite_rules' ) ) iis7_save_url_rewrite_rules(); } @@ -1863,24 +2220,20 @@ class WP_Rewrite { * @since 1.5.0 * @access public */ - function init() { + public function init() { $this->extra_rules = $this->non_wp_rules = $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()) { + if ( $this->using_index_permalinks() ) $this->root = $this->index . '/'; - } - $this->category_base = get_option( 'category_base' ); - $this->tag_base = get_option( 'tag_base' ); - unset($this->category_structure); 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); - $this->use_trailing_slashes = ( substr($this->permalink_structure, -1, 1) == '/' ) ? true : false; + $this->use_trailing_slashes = ( '/' == substr($this->permalink_structure, -1, 1) ); // Enable generic rules for pages if permalink structure doesn't begin with a wildcard. if ( preg_match("/^[^%]*%(?:postname|category|tag|author)%/", $this->permalink_structure) ) @@ -1904,11 +2257,21 @@ class WP_Rewrite { * * @param string $permalink_structure Permalink structure. */ - function set_permalink_structure($permalink_structure) { - if ($permalink_structure != $this->permalink_structure) { + public function set_permalink_structure($permalink_structure) { + if ( $permalink_structure != $this->permalink_structure ) { + $old_permalink_structure = $this->permalink_structure; update_option('permalink_structure', $permalink_structure); $this->init(); - do_action('permalink_structure_changed', $this->permalink_structure, $permalink_structure); + + /** + * 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 ); } } @@ -1924,8 +2287,8 @@ class WP_Rewrite { * * @param string $category_base Category permalink structure base. */ - function set_category_base($category_base) { - if ($category_base != $this->category_base) { + public function set_category_base($category_base) { + if ( $category_base != get_option('category_base') ) { update_option('category_base', $category_base); $this->init(); } @@ -1943,24 +2306,21 @@ class WP_Rewrite { * * @param string $tag_base Tag permalink structure base. */ - function set_tag_base( $tag_base ) { - if ( $tag_base != $this->tag_base ) { + public function set_tag_base( $tag_base ) { + if ( $tag_base != get_option( 'tag_base') ) { update_option( 'tag_base', $tag_base ); $this->init(); } } /** - * PHP4 Constructor - Calls init(), which runs setup. + * Constructor - Calls init(), which runs setup. * * @since 1.5.0 * @access public * - * @return WP_Rewrite */ - function WP_Rewrite() { + public function __construct() { $this->init(); } } - -?>