<?php
+/**
+ * Holds Most of the WordPress classes.
+ *
+ * Some of the other classes are contained in other files. For example, the
+ * WordPress cache is in cache.php and the WordPress roles API is in
+ * capabilities.php. The third party libraries are contained in their own
+ * separate files.
+ *
+ * @package WordPress
+ */
+
+/**
+ * WordPress environment setup class.
+ *
+ * @package WordPress
+ * @since 2.0.0
+ */
+class WP {
+ /**
+ * Public query variables.
+ *
+ * Long list of public query variables.
+ *
+ * @since 2.0.0
+ * @access public
+ * @var array
+ */
+ var $public_query_vars = array('m', 'p', 'posts', 'w', 'cat', 'withcomments', 'withoutcomments', 's', 'search', 'exact', 'sentence', 'debug', 'calendar', 'page', 'paged', 'more', 'tb', 'pb', 'author', 'order', 'orderby', 'year', 'monthnum', 'day', 'hour', 'minute', 'second', 'name', 'category_name', 'tag', 'feed', 'author_name', 'static', 'pagename', 'page_id', 'error', 'comments_popup', 'attachment', 'attachment_id', 'subpost', 'subpost_id', 'preview', 'robots', 'taxonomy', 'term', 'cpage', 'post_type');
+
+ /**
+ * Private query variables.
+ *
+ * Long list of private query variables.
+ *
+ * @since 2.0.0
+ * @var array
+ */
+ var $private_query_vars = array('offset', 'posts_per_page', 'posts_per_archive_page', 'showposts', 'nopaging', 'post_type', 'post_status', 'category__in', 'category__not_in', 'category__and', 'tag__in', 'tag__not_in', 'tag__and', 'tag_slug__in', 'tag_slug__and', 'tag_id', 'post_mime_type', 'perm', 'comments_per_page');
-class WP_Query {
- var $query;
- var $query_vars;
- var $queried_object;
- var $queried_object_id;
- var $request;
-
- var $posts;
- var $post_count = 0;
- var $current_post = -1;
- var $in_the_loop = false;
- var $post;
-
- var $is_single = false;
- var $is_preview = false;
- var $is_page = false;
- var $is_archive = false;
- var $is_date = false;
- var $is_year = false;
- var $is_month = false;
- var $is_day = false;
- var $is_time = false;
- var $is_author = false;
- var $is_category = false;
- var $is_search = false;
- var $is_feed = false;
- var $is_trackback = false;
- var $is_home = false;
- var $is_404 = false;
- var $is_comments_popup = false;
- var $is_admin = false;
- var $is_attachment = false;
-
- function init_query_flags() {
- $this->is_single = false;
- $this->is_page = false;
- $this->is_archive = false;
- $this->is_date = false;
- $this->is_year = false;
- $this->is_month = false;
- $this->is_day = false;
- $this->is_time = false;
- $this->is_author = false;
- $this->is_category = false;
- $this->is_search = false;
- $this->is_feed = false;
- $this->is_trackback = false;
- $this->is_home = false;
- $this->is_404 = false;
- $this->is_paged = false;
- $this->is_admin = false;
- $this->is_attachment = false;
- }
-
- function init () {
- unset($this->posts);
- unset($this->query);
- unset($this->query_vars);
- unset($this->queried_object);
- unset($this->queried_object_id);
- $this->post_count = 0;
- $this->current_post = -1;
- $this->in_the_loop = false;
-
- $this->init_query_flags();
- }
+ /**
+ * Extra query variables set by the user.
+ *
+ * @since 2.1.0
+ * @var array
+ */
+ var $extra_query_vars = array();
- // Reparse the query vars.
- function parse_query_vars() {
- $this->parse_query('');
- }
+ /**
+ * Query variables for setting up the WordPress Query Loop.
+ *
+ * @since 2.0.0
+ * @var array
+ */
+ var $query_vars;
- // Parse a query string and set query type booleans.
- function parse_query ($query) {
- if ( !empty($query) || !isset($this->query) ) {
- $this->init();
- parse_str($query, $qv);
- $this->query = $query;
- $this->query_vars = $qv;
- }
+ /**
+ * String parsed to set the query variables.
+ *
+ * @since 2.0.0
+ * @var string
+ */
+ var $query_string;
- if ('404' == $qv['error']) {
- $this->is_404 = true;
- if ( !empty($query) ) {
- do_action('parse_query', array(&$this));
- }
- return;
- }
+ /**
+ * Permalink or requested URI.
+ *
+ * @since 2.0.0
+ * @var string
+ */
+ var $request;
- $qv['m'] = (int) $qv['m'];
- $qv['p'] = (int) $qv['p'];
-
- // Compat. Map subpost to attachment.
- if ( '' != $qv['subpost'] )
- $qv['attachment'] = $qv['subpost'];
- if ( '' != $qv['subpost_id'] )
- $qv['attachment_id'] = $qv['subpost_id'];
-
- if ( ('' != $qv['attachment']) || (int) $qv['attachment_id'] ) {
- $this->is_single = true;
- $this->is_attachment = true;
- } elseif ('' != $qv['name']) {
- $this->is_single = true;
- } elseif ( $qv['p'] ) {
- $this->is_single = true;
- } elseif (('' != $qv['hour']) && ('' != $qv['minute']) &&('' != $qv['second']) && ('' != $qv['year']) && ('' != $qv['monthnum']) && ('' != $qv['day'])) {
- // If year, month, day, hour, minute, and second are set, a single
- // post is being queried.
- $this->is_single = true;
- } elseif ('' != $qv['static'] || '' != $qv['pagename'] || '' != $qv['page_id']) {
- $this->is_page = true;
- $this->is_single = false;
- } elseif (!empty($qv['s'])) {
- $this->is_search = true;
- switch ($qv['show_post_type']) {
- case 'page' :
- $this->is_page = true;
- break;
- case 'attachment' :
- $this->is_attachment = true;
- break;
- }
- } else {
- // Look for archive queries. Dates, categories, authors.
+ /**
+ * Rewrite rule the request matched.
+ *
+ * @since 2.0.0
+ * @var string
+ */
+ var $matched_rule;
- if ( (int) $qv['second']) {
- $this->is_time = true;
- $this->is_date = true;
- }
+ /**
+ * Rewrite query the request matched.
+ *
+ * @since 2.0.0
+ * @var string
+ */
+ var $matched_query;
- if ( (int) $qv['minute']) {
- $this->is_time = true;
- $this->is_date = true;
- }
+ /**
+ * Whether already did the permalink.
+ *
+ * @since 2.0.0
+ * @var bool
+ */
+ var $did_permalink = false;
- if ( (int) $qv['hour']) {
- $this->is_time = true;
- $this->is_date = true;
- }
+ /**
+ * Add name to list of public query variables.
+ *
+ * @since 2.1.0
+ *
+ * @param string $qv Query variable name.
+ */
+ function add_query_var($qv) {
+ if ( !in_array($qv, $this->public_query_vars) )
+ $this->public_query_vars[] = $qv;
+ }
- if ( (int) $qv['day']) {
- if (! $this->is_date) {
- $this->is_day = true;
- $this->is_date = true;
- }
- }
+ /**
+ * Set the value of a query variable.
+ *
+ * @since 2.3.0
+ *
+ * @param string $key Query variable name.
+ * @param mixed $value Query variable value.
+ */
+ function set_query_var($key, $value) {
+ $this->query_vars[$key] = $value;
+ }
- if ( (int) $qv['monthnum']) {
- if (! $this->is_date) {
- $this->is_month = true;
- $this->is_date = true;
- }
- }
+ /**
+ * Parse request to find correct WordPress query.
+ *
+ * Sets up the query variables based on the request. There are also many
+ * filters and actions that can be used to further manipulate the result.
+ *
+ * @since 2.0.0
+ *
+ * @param array|string $extra_query_vars Set the extra query variables.
+ */
+ function parse_request($extra_query_vars = '') {
+ global $wp_rewrite;
- if ( (int) $qv['year']) {
- if (! $this->is_date) {
- $this->is_year = true;
- $this->is_date = true;
- }
- }
+ $this->query_vars = array();
+ $taxonomy_query_vars = array();
+ $post_type_query_vars = array();
- if ( (int) $qv['m']) {
- $this->is_date = true;
- if (strlen($qv['m']) > 9) {
- $this->is_time = true;
- } else if (strlen($qv['m']) > 7) {
- $this->is_day = true;
- } else if (strlen($qv['m']) > 5) {
- $this->is_month = true;
- } else {
- $this->is_year = true;
- }
- }
+ if ( is_array($extra_query_vars) )
+ $this->extra_query_vars = & $extra_query_vars;
+ else if (! empty($extra_query_vars))
+ parse_str($extra_query_vars, $this->extra_query_vars);
- if ('' != $qv['w']) {
- $this->is_date = true;
- }
+ // Process PATH_INFO, REQUEST_URI, and 404 for permalinks.
- if (empty($qv['cat']) || ($qv['cat'] == '0')) {
- $this->is_category = false;
- } else {
- if (stristr($qv['cat'],'-')) {
- $this->is_category = false;
- } else {
- $this->is_category = true;
- }
- }
+ // Fetch the rewrite rules.
+ $rewrite = $wp_rewrite->wp_rewrite_rules();
- if ('' != $qv['category_name']) {
- $this->is_category = true;
- }
-
- if ((empty($qv['author'])) || ($qv['author'] == '0')) {
- $this->is_author = false;
- } else {
- $this->is_author = true;
- }
+ if ( ! empty($rewrite) ) {
+ // If we match a rewrite rule, this will be cleared.
+ $error = '404';
+ $this->did_permalink = true;
- if ('' != $qv['author_name']) {
- $this->is_author = true;
- }
+ if ( isset($_SERVER['PATH_INFO']) )
+ $pathinfo = $_SERVER['PATH_INFO'];
+ else
+ $pathinfo = '';
+ $pathinfo_array = explode('?', $pathinfo);
+ $pathinfo = str_replace("%", "%25", $pathinfo_array[0]);
+ $req_uri = $_SERVER['REQUEST_URI'];
+ $req_uri_array = explode('?', $req_uri);
+ $req_uri = $req_uri_array[0];
+ $self = $_SERVER['PHP_SELF'];
+ $home_path = parse_url(home_url());
+ if ( isset($home_path['path']) )
+ $home_path = $home_path['path'];
+ else
+ $home_path = '';
+ $home_path = trim($home_path, '/');
- if ( ($this->is_date || $this->is_author || $this->is_category)) {
- $this->is_archive = true;
- }
+ // Trim path info from the end and the leading home path from the
+ // front. For path info requests, this leaves us with the requesting
+ // filename, if any. For 404 requests, this leaves us with the
+ // requested permalink.
+ $req_uri = str_replace($pathinfo, '', rawurldecode($req_uri));
+ $req_uri = trim($req_uri, '/');
+ $req_uri = preg_replace("|^$home_path|", '', $req_uri);
+ $req_uri = trim($req_uri, '/');
+ $pathinfo = trim($pathinfo, '/');
+ $pathinfo = preg_replace("|^$home_path|", '', $pathinfo);
+ $pathinfo = trim($pathinfo, '/');
+ $self = trim($self, '/');
+ $self = preg_replace("|^$home_path|", '', $self);
+ $self = trim($self, '/');
- if ( 'attachment' == $qv['show_post_type'] ) {
- $this->is_attachment = true;
+ // The requested permalink is in $pathinfo for path info requests and
+ // $req_uri for other requests.
+ if ( ! empty($pathinfo) && !preg_match('|^.*' . $wp_rewrite->index . '$|', $pathinfo) ) {
+ $request = $pathinfo;
+ } else {
+ // If the request uri is the index, blank it out so that we don't try to match it against a rule.
+ if ( $req_uri == $wp_rewrite->index )
+ $req_uri = '';
+ $request = $req_uri;
}
- }
-
- if ('' != $qv['feed']) {
- $this->is_feed = true;
- }
-
- if ('' != $qv['tb']) {
- $this->is_trackback = true;
- }
-
- if ('' != $qv['paged']) {
- $this->is_paged = true;
- }
-
- if ('' != $qv['comments_popup']) {
- $this->is_comments_popup = true;
- }
-
- //if we're previewing inside the write screen
- if ('' != $qv['preview']) {
- $this->is_preview = true;
- }
-
- if (strstr($_SERVER['PHP_SELF'], 'wp-admin/')) {
- $this->is_admin = true;
- }
-
- if ( ! ($this->is_attachment || $this->is_archive || $this->is_single || $this->is_page || $this->is_search || $this->is_feed || $this->is_trackback || $this->is_404 || $this->is_admin || $this->is_comments_popup)) {
- $this->is_home = true;
- }
-
- if ( !empty($query) ) {
- do_action('parse_query', array(&$this));
- }
- }
- function set_404() {
- $this->init_query_flags();
- $this->is_404 = true;
- }
-
- function get($query_var) {
- if (isset($this->query_vars[$query_var])) {
- return $this->query_vars[$query_var];
- }
-
- return '';
- }
+ $this->request = $request;
- function set($query_var, $value) {
- $this->query_vars[$query_var] = $value;
- }
+ // Look for matches.
+ $request_match = $request;
+ foreach ( (array) $rewrite as $match => $query) {
+ // Don't try to match against AtomPub calls
+ if ( $req_uri == 'wp-app.php' )
+ break;
- function &get_posts() {
- global $wpdb, $pagenow, $user_ID;
-
- do_action('pre_get_posts', array(&$this));
-
- // Shorthand.
- $q = $this->query_vars;
-
- // First let's clear some variables
- $whichcat = '';
- $whichauthor = '';
- $whichpage = '';
- $result = '';
- $where = '';
- $limits = '';
- $distinct = '';
- $join = '';
-
- if ( !isset($q['posts_per_page']) || $q['posts_per_page'] == 0 )
- $q['posts_per_page'] = get_settings('posts_per_page');
- if ( !isset($q['what_to_show']) )
- $q['what_to_show'] = get_settings('what_to_show');
- if ( isset($q['showposts']) && $q['showposts'] ) {
- $q['showposts'] = (int) $q['showposts'];
- $q['posts_per_page'] = $q['showposts'];
- }
- if ( (isset($q['posts_per_archive_page']) && $q['posts_per_archive_page'] != 0) && ($this->is_archive || $this->is_search) )
- $q['posts_per_page'] = $q['posts_per_archive_page'];
- if ( !isset($q['nopaging']) ) {
- if ($q['posts_per_page'] == -1) {
- $q['nopaging'] = true;
- } else {
- $q['nopaging'] = false;
- }
- }
- if ( $this->is_feed ) {
- $q['posts_per_page'] = get_settings('posts_per_rss');
- $q['what_to_show'] = 'posts';
- }
+ // If the requesting file is the anchor of the match, prepend it
+ // to the path info.
+ if ( (! empty($req_uri)) && (strpos($match, $req_uri) === 0) && ($req_uri != $request) )
+ $request_match = $req_uri . '/' . $request;
- if (isset($q['page'])) {
- $q['page'] = trim($q['page'], '/');
- $q['page'] = (int) $q['page'];
- }
-
- $add_hours = intval(get_settings('gmt_offset'));
- $add_minutes = intval(60 * (get_settings('gmt_offset') - $add_hours));
- $wp_posts_post_date_field = "post_date"; // "DATE_ADD(post_date, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)";
-
- // If a month is specified in the querystring, load that month
- if ( (int) $q['m'] ) {
- $q['m'] = '' . preg_replace('|[^0-9]|', '', $q['m']);
- $where .= ' AND YEAR(post_date)=' . substr($q['m'], 0, 4);
- if (strlen($q['m'])>5)
- $where .= ' AND MONTH(post_date)=' . substr($q['m'], 4, 2);
- if (strlen($q['m'])>7)
- $where .= ' AND DAYOFMONTH(post_date)=' . substr($q['m'], 6, 2);
- if (strlen($q['m'])>9)
- $where .= ' AND HOUR(post_date)=' . substr($q['m'], 8, 2);
- if (strlen($q['m'])>11)
- $where .= ' AND MINUTE(post_date)=' . substr($q['m'], 10, 2);
- if (strlen($q['m'])>13)
- $where .= ' AND SECOND(post_date)=' . substr($q['m'], 12, 2);
- }
+ if ( preg_match("#^$match#", $request_match, $matches) ||
+ preg_match("#^$match#", urldecode($request_match), $matches) ) {
+ // Got a match.
+ $this->matched_rule = $match;
- if ( (int) $q['hour'] ) {
- $q['hour'] = '' . intval($q['hour']);
- $where .= " AND HOUR(post_date)='" . $q['hour'] . "'";
- }
+ // Trim the query of everything up to the '?'.
+ $query = preg_replace("!^.+\?!", '', $query);
- if ( (int) $q['minute'] ) {
- $q['minute'] = '' . intval($q['minute']);
- $where .= " AND MINUTE(post_date)='" . $q['minute'] . "'";
- }
+ // Substitute the substring matches into the query.
+ $query = addslashes(WP_MatchesMapRegex::apply($query, $matches));
- if ( (int) $q['second'] ) {
- $q['second'] = '' . intval($q['second']);
- $where .= " AND SECOND(post_date)='" . $q['second'] . "'";
- }
+ $this->matched_query = $query;
- if ( (int) $q['year'] ) {
- $q['year'] = '' . intval($q['year']);
- $where .= " AND YEAR(post_date)='" . $q['year'] . "'";
- }
+ // Parse the query.
+ parse_str($query, $perma_query_vars);
- if ( (int) $q['monthnum'] ) {
- $q['monthnum'] = '' . intval($q['monthnum']);
- $where .= " AND MONTH(post_date)='" . $q['monthnum'] . "'";
- }
+ // If we're processing a 404 request, clear the error var
+ // since we found something.
+ if ( isset($_GET['error']) )
+ unset($_GET['error']);
- if ( (int) $q['day'] ) {
- $q['day'] = '' . intval($q['day']);
- $where .= " AND DAYOFMONTH(post_date)='" . $q['day'] . "'";
- }
+ if ( isset($error) )
+ unset($error);
- // Compat. Map subpost to attachment.
- if ( '' != $q['subpost'] )
- $q['attachment'] = $q['subpost'];
- if ( '' != $q['subpost_id'] )
- $q['attachment_id'] = $q['subpost_id'];
-
- if ('' != $q['name']) {
- $q['name'] = sanitize_title($q['name']);
- $where .= " AND post_name = '" . $q['name'] . "'";
- } else if ('' != $q['pagename']) {
- $q['pagename'] = str_replace('%2F', '/', urlencode(urldecode($q['pagename'])));
- $page_paths = '/' . trim($q['pagename'], '/');
- $q['pagename'] = sanitize_title(basename($page_paths));
- $q['name'] = $q['pagename'];
- $page_paths = explode('/', $page_paths);
- foreach($page_paths as $pathdir)
- $page_path .= ($pathdir!=''?'/':'') . sanitize_title($pathdir);
-
- $all_page_ids = get_all_page_ids();
- $reqpage = 0;
- if (is_array($all_page_ids)) { foreach ( $all_page_ids as $page_id ) {
- $page = get_page($page_id);
- if ( $page->fullpath == $page_path ) {
- $reqpage = $page_id;
break;
}
- } }
-
- $where .= " AND (ID = '$reqpage')";
- } elseif ('' != $q['attachment']) {
- $q['attachment'] = str_replace('%2F', '/', urlencode(urldecode($q['attachment'])));
- $attach_paths = '/' . trim($q['attachment'], '/');
- $q['attachment'] = sanitize_title(basename($attach_paths));
- $q['name'] = $q['attachment'];
- $where .= " AND post_name = '" . $q['attachment'] . "'";
- }
-
- if ( (int) $q['w'] ) {
- $q['w'] = ''.intval($q['w']);
- $where .= " AND WEEK(post_date, 1)='" . $q['w'] . "'";
- }
-
- if ( intval($q['comments_popup']) )
- $q['p'] = intval($q['comments_popup']);
+ }
- // If a attachment is requested by number, let it supercede any post number.
- if ( ($q['attachment_id'] != '') && (intval($q['attachment_id']) != 0) )
- $q['p'] = (int) $q['attachment_id'];
+ // If req_uri is empty or if it is a request for ourself, unset error.
+ if ( empty($request) || $req_uri == $self || strpos($_SERVER['PHP_SELF'], 'wp-admin/') !== false ) {
+ if ( isset($_GET['error']) )
+ unset($_GET['error']);
- // If a post number is specified, load that post
- if (($q['p'] != '') && intval($q['p']) != 0) {
- $q['p'] = (int) $q['p'];
- $where = ' AND ID = ' . $q['p'];
- }
+ if ( isset($error) )
+ unset($error);
- if (($q['page_id'] != '') && (intval($q['page_id']) != 0)) {
- $q['page_id'] = intval($q['page_id']);
- $q['p'] = $q['page_id'];
- $where = ' AND ID = '.$q['page_id'];
- }
+ if ( isset($perma_query_vars) && strpos($_SERVER['PHP_SELF'], 'wp-admin/') !== false )
+ unset($perma_query_vars);
- // If a search pattern is specified, load the posts that match
- if (!empty($q['s'])) {
- $q['s'] = addslashes_gpc($q['s']);
- $search = ' AND (';
- $q['s'] = preg_replace('/, +/', ' ', $q['s']);
- $q['s'] = str_replace(',', ' ', $q['s']);
- $q['s'] = str_replace('"', ' ', $q['s']);
- $q['s'] = trim($q['s']);
- if ($q['exact']) {
- $n = '';
- } else {
- $n = '%';
- }
- if (!$q['sentence']) {
- $s_array = explode(' ',$q['s']);
- $q['search_terms'] = $s_array;
- $search .= '((post_title LIKE \''.$n.$s_array[0].$n.'\') OR (post_content LIKE \''.$n.$s_array[0].$n.'\'))';
- for ( $i = 1; $i < count($s_array); $i = $i + 1) {
- $search .= ' AND ((post_title LIKE \''.$n.$s_array[$i].$n.'\') OR (post_content LIKE \''.$n.$s_array[$i].$n.'\'))';
- }
- $search .= ' OR (post_title LIKE \''.$n.$q['s'].$n.'\') OR (post_content LIKE \''.$n.$q['s'].$n.'\')';
- $search .= ')';
- } else {
- $search = ' AND ((post_title LIKE \''.$n.$q['s'].$n.'\') OR (post_content LIKE \''.$n.$q['s'].$n.'\'))';
+ $this->did_permalink = false;
}
}
- // Category stuff
+ $this->public_query_vars = apply_filters('query_vars', $this->public_query_vars);
- if ((empty($q['cat'])) || ($q['cat'] == '0') ||
- // Bypass cat checks if fetching specific posts
- ( $this->is_single || $this->is_page )) {
- $whichcat='';
- } else {
- $q['cat'] = ''.urldecode($q['cat']).'';
- $q['cat'] = addslashes_gpc($q['cat']);
- if (stristr($q['cat'],'-')) {
- // Note: if we have a negative, we ignore all the positives. It must
- // always mean 'everything /except/ this one'. We should be able to do
- // multiple negatives but we don't :-(
- $eq = '!=';
- $andor = 'AND';
- $q['cat'] = explode('-',$q['cat']);
- $q['cat'] = intval($q['cat'][1]);
- } else {
- $eq = '=';
- $andor = 'OR';
- }
- $join = " LEFT JOIN $wpdb->post2cat ON ($wpdb->posts.ID = $wpdb->post2cat.post_id) ";
- $cat_array = preg_split('/[,\s]+/', $q['cat']);
- $whichcat .= ' AND (category_id '.$eq.' '.intval($cat_array[0]);
- $whichcat .= get_category_children($cat_array[0], ' '.$andor.' category_id '.$eq.' ');
- for ($i = 1; $i < (count($cat_array)); $i = $i + 1) {
- $whichcat .= ' '.$andor.' category_id '.$eq.' '.intval($cat_array[$i]);
- $whichcat .= get_category_children($cat_array[$i], ' '.$andor.' category_id '.$eq.' ');
- }
- $whichcat .= ')';
- if ($eq == '!=') {
- $q['cat'] = '-'.$q['cat']; // Put back the knowledge that we are excluding a category.
- }
- }
+ foreach ( $GLOBALS['wp_taxonomies'] as $taxonomy => $t )
+ if ( $t->query_var )
+ $taxonomy_query_vars[$t->query_var] = $taxonomy;
- // Category stuff for nice URIs
-
- global $cache_categories;
- if ('' != $q['category_name']) {
- $cat_paths = '/' . trim(urldecode($q['category_name']), '/');
- $q['category_name'] = sanitize_title(basename($cat_paths));
- $cat_paths = explode('/', $cat_paths);
- foreach($cat_paths as $pathdir)
- $cat_path .= ($pathdir!=''?'/':'') . sanitize_title($pathdir);
-
- $all_cat_ids = get_all_category_ids();
- $q['cat'] = 0; $partial_match = 0;
- foreach ( $all_cat_ids as $cat_id ) {
- $cat = get_category($cat_id);
- if ( $cat->fullpath == $cat_path ) {
- $q['cat'] = $cat_id;
- break;
- } elseif ( $cat->category_nicename == $q['category_name'] ) {
- $partial_match = $cat_id;
+ foreach ( $GLOBALS['wp_post_types'] as $post_type => $t )
+ if ( $t->query_var )
+ $post_type_query_vars[$t->query_var] = $post_type;
+
+ for ( $i = 0; $i < count($this->public_query_vars); $i += 1 ) {
+ $wpvar = $this->public_query_vars[$i];
+ if ( isset($this->extra_query_vars[$wpvar]) )
+ $this->query_vars[$wpvar] = $this->extra_query_vars[$wpvar];
+ elseif ( isset($GLOBALS[$wpvar]) )
+ $this->query_vars[$wpvar] = $GLOBALS[$wpvar];
+ elseif ( !empty($_POST[$wpvar]) )
+ $this->query_vars[$wpvar] = $_POST[$wpvar];
+ elseif ( !empty($_GET[$wpvar]) )
+ $this->query_vars[$wpvar] = $_GET[$wpvar];
+ elseif ( !empty($perma_query_vars[$wpvar]) )
+ $this->query_vars[$wpvar] = $perma_query_vars[$wpvar];
+
+ if ( !empty( $this->query_vars[$wpvar] ) ) {
+ $this->query_vars[$wpvar] = (string) $this->query_vars[$wpvar];
+ if ( isset( $taxonomy_query_vars[$wpvar] ) ) {
+ $this->query_vars['taxonomy'] = $taxonomy_query_vars[$wpvar];
+ $this->query_vars['term'] = $this->query_vars[$wpvar];
+ } elseif ( isset($post_type_query_vars[$wpvar] ) ) {
+ $this->query_vars['post_type'] = $post_type_query_vars[$wpvar];
+ $this->query_vars['name'] = $this->query_vars[$wpvar];
}
}
-
- //if we don't match the entire hierarchy fallback on just matching the nicename
- if (!$q['cat'] && $partial_match) {
- $q['cat'] = $partial_match;
- }
-
- $tables = ", $wpdb->post2cat, $wpdb->categories";
- $join = " LEFT JOIN $wpdb->post2cat ON ($wpdb->posts.ID = $wpdb->post2cat.post_id) LEFT JOIN $wpdb->categories ON ($wpdb->post2cat.category_id = $wpdb->categories.cat_ID) ";
- $whichcat = " AND (category_id = '" . $q['cat'] . "'";
- $whichcat .= get_category_children($q['cat'], " OR category_id = ");
- $whichcat .= ")";
}
- // Author/user stuff
-
- if ((empty($q['author'])) || ($q['author'] == '0')) {
- $whichauthor='';
- } else {
- $q['author'] = ''.urldecode($q['author']).'';
- $q['author'] = addslashes_gpc($q['author']);
- if (stristr($q['author'], '-')) {
- $eq = '!=';
- $andor = 'AND';
- $q['author'] = explode('-', $q['author']);
- $q['author'] = ''.intval($q['author'][1]);
- } else {
- $eq = '=';
- $andor = 'OR';
- }
- $author_array = preg_split('/[,\s]+/', $q['author']);
- $whichauthor .= ' AND (post_author '.$eq.' '.intval($author_array[0]);
- for ($i = 1; $i < (count($author_array)); $i = $i + 1) {
- $whichauthor .= ' '.$andor.' post_author '.$eq.' '.intval($author_array[$i]);
- }
- $whichauthor .= ')';
+ // Limit publicly queried post_types to those that are publicly_queryable
+ if ( isset( $this->query_vars['post_type']) ) {
+ $queryable_post_types = get_post_types( array('publicly_queryable' => true) );
+ if ( ! in_array( $this->query_vars['post_type'], $queryable_post_types ) )
+ unset( $this->query_vars['post_type'] );
}
- // Author stuff for nice URIs
-
- if ('' != $q['author_name']) {
- if (stristr($q['author_name'],'/')) {
- $q['author_name'] = explode('/',$q['author_name']);
- if ($q['author_name'][count($q['author_name'])-1]) {
- $q['author_name'] = $q['author_name'][count($q['author_name'])-1];#no trailing slash
- } else {
- $q['author_name'] = $q['author_name'][count($q['author_name'])-2];#there was a trailling slash
- }
- }
- $q['author_name'] = sanitize_title($q['author_name']);
- $q['author'] = $wpdb->get_var("SELECT ID FROM $wpdb->users WHERE user_nicename='".$q['author_name']."'");
- $whichauthor .= ' AND (post_author = '.intval($q['author']).')';
+ foreach ( (array) $this->private_query_vars as $var) {
+ if ( isset($this->extra_query_vars[$var]) )
+ $this->query_vars[$var] = $this->extra_query_vars[$var];
+ elseif ( isset($GLOBALS[$var]) && '' != $GLOBALS[$var] )
+ $this->query_vars[$var] = $GLOBALS[$var];
}
-
- $where .= $search.$whichcat.$whichauthor;
- if ((empty($q['order'])) || ((strtoupper($q['order']) != 'ASC') && (strtoupper($q['order']) != 'DESC'))) {
- $q['order']='DESC';
- }
+ if ( isset($error) )
+ $this->query_vars['error'] = $error;
- // Order by
- if (empty($q['orderby'])) {
- $q['orderby']='date '.$q['order'];
- } else {
- // Used to filter values
- $allowed_keys = array('author', 'date', 'category', 'title', 'modified');
- $q['orderby'] = urldecode($q['orderby']);
- $q['orderby'] = addslashes_gpc($q['orderby']);
- $orderby_array = explode(' ',$q['orderby']);
- if (!in_array($orderby_array[0],$allowed_keys)) {
- $orderby_array[0] = 'date';
- }
- $q['orderby'] = $orderby_array[0].' '.$q['order'];
- if (count($orderby_array)>1) {
- for ($i = 1; $i < (count($orderby_array)); $i = $i + 1) {
- // Only allow certain values for safety
- if (in_array($orderby_array[$i],$allowed_keys)) {
- $q['orderby'] .= ',post_'.$orderby_array[$i].' '.$q['order'];
- }
- }
- }
- }
+ $this->query_vars = apply_filters('request', $this->query_vars);
- $now = gmdate('Y-m-d H:i:59');
-
- //only select past-dated posts, except if a logged in user is viewing a single: then, if they
- //can edit the post, we let them through
- if ($pagenow != 'post.php' && $pagenow != 'edit.php' && !($this->is_single && $user_ID)) {
- $where .= " AND post_date_gmt <= '$now'";
- $distinct = 'DISTINCT';
- }
+ do_action_ref_array('parse_request', array(&$this));
+ }
- if ( $this->is_attachment ) {
- $where .= ' AND (post_status = "attachment")';
- } elseif ($this->is_page) {
- $where .= ' AND (post_status = "static")';
- } elseif ($this->is_single) {
- $where .= ' AND (post_status != "static")';
- } else {
- $where .= ' AND (post_status = "publish"';
+ /**
+ * Send additional HTTP headers for caching, content type, etc.
+ *
+ * Sets the X-Pingback header, 404 status (if 404), Content-type. If showing
+ * a feed, it will also send last-modified, etag, and 304 status if needed.
+ *
+ * @since 2.0.0
+ */
+ function send_headers() {
+ $headers = array('X-Pingback' => get_bloginfo('pingback_url'));
+ $status = null;
+ $exit_required = false;
- if (isset($user_ID) && ('' != intval($user_ID)))
- $where .= " OR post_author = $user_ID AND post_status != 'draft' AND post_status != 'static')";
+ if ( is_user_logged_in() )
+ $headers = array_merge($headers, wp_get_nocache_headers());
+ if ( !empty($this->query_vars['error']) && '404' == $this->query_vars['error'] ) {
+ $status = 404;
+ if ( !is_user_logged_in() )
+ $headers = array_merge($headers, wp_get_nocache_headers());
+ $headers['Content-Type'] = get_option('html_type') . '; charset=' . get_option('blog_charset');
+ } else if ( empty($this->query_vars['feed']) ) {
+ $headers['Content-Type'] = get_option('html_type') . '; charset=' . get_option('blog_charset');
+ } else {
+ // We're showing a feed, so WP is indeed the only thing that last changed
+ if ( !empty($this->query_vars['withcomments'])
+ || ( empty($this->query_vars['withoutcomments'])
+ && ( !empty($this->query_vars['p'])
+ || !empty($this->query_vars['name'])
+ || !empty($this->query_vars['page_id'])
+ || !empty($this->query_vars['pagename'])
+ || !empty($this->query_vars['attachment'])
+ || !empty($this->query_vars['attachment_id'])
+ )
+ )
+ )
+ $wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastcommentmodified('GMT'), 0).' GMT';
else
- $where .= ')';
- }
-
- if (! $this->is_attachment )
- $where .= ' AND post_status != "attachment"';
+ $wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastpostmodified('GMT'), 0).' GMT';
+ $wp_etag = '"' . md5($wp_last_modified) . '"';
+ $headers['Last-Modified'] = $wp_last_modified;
+ $headers['ETag'] = $wp_etag;
- // Apply filters on where and join prior to paging so that any
- // manipulations to them are reflected in the paging by day queries.
- $where = apply_filters('posts_where', $where);
- $join = apply_filters('posts_join', $join);
+ // Support for Conditional GET
+ if (isset($_SERVER['HTTP_IF_NONE_MATCH']))
+ $client_etag = stripslashes(stripslashes($_SERVER['HTTP_IF_NONE_MATCH']));
+ else $client_etag = false;
- // Paging
- if (empty($q['nopaging']) && ! $this->is_single) {
- $page = $q['paged'];
- if (empty($page)) {
- $page = 1;
- }
+ $client_last_modified = empty($_SERVER['HTTP_IF_MODIFIED_SINCE']) ? '' : trim($_SERVER['HTTP_IF_MODIFIED_SINCE']);
+ // If string is empty, return 0. If not, attempt to parse into a timestamp
+ $client_modified_timestamp = $client_last_modified ? strtotime($client_last_modified) : 0;
- if (($q['what_to_show'] == 'posts')) {
- $pgstrt = '';
- $pgstrt = (intval($page) -1) * $q['posts_per_page'] . ', ';
- $limits = 'LIMIT '.$pgstrt.$q['posts_per_page'];
- } elseif ($q['what_to_show'] == 'days') {
- $startrow = $q['posts_per_page'] * (intval($page)-1);
- $start_date = $wpdb->get_var("SELECT max(post_date) FROM $wpdb->posts $join WHERE (1=1) $where GROUP BY year(post_date), month(post_date), dayofmonth(post_date) ORDER BY post_date DESC LIMIT $startrow,1");
- $endrow = $startrow + $q['posts_per_page'] - 1;
- $end_date = $wpdb->get_var("SELECT min(post_date) FROM $wpdb->posts $join WHERE (1=1) $where GROUP BY year(post_date), month(post_date), dayofmonth(post_date) ORDER BY post_date DESC LIMIT $endrow,1");
-
- if ($page > 1) {
- $where .= " AND post_date >= '$end_date' AND post_date <= '$start_date'";
- } else {
- $where .= " AND post_date >= '$end_date'";
- }
- }
- }
+ // Make a timestamp for our most recent modification...
+ $wp_modified_timestamp = strtotime($wp_last_modified);
- // Apply post-paging filters on where and join. Only plugins that
- // manipulate paging queries should use these hooks.
- $where = apply_filters('posts_where_paged', $where);
- $groupby = " $wpdb->posts.ID ";
- $groupby = apply_filters('posts_groupby', $groupby);
- $join = apply_filters('posts_join_paged', $join);
- $orderby = "post_" . $q['orderby'];
- $orderby = apply_filters('posts_orderby', $orderby);
- $request = " SELECT $distinct * FROM $wpdb->posts $join WHERE 1=1" . $where . " GROUP BY " . $groupby . " ORDER BY " . $orderby . " $limits";
- $this->request = apply_filters('posts_request', $request);
-
- $this->posts = $wpdb->get_results($this->request);
-
- // Check post status to determine if post should be displayed.
- if ( !empty($this->posts) && $this->is_single ) {
- $status = get_post_status($this->posts[0]);
- if ( ('publish' != $status) && ('static' != $status) ) {
- if ( ! (isset($user_ID) && ('' != intval($user_ID))) ) {
- // User must be logged in to view unpublished posts.
- $this->posts = array();
- } else {
- if ('draft' == $status) {
- // User must have edit permissions on the draft to preview.
- if (! current_user_can('edit_post', $this->posts[0]->ID)) {
- $this->posts = array();
- } else {
- $this->is_preview = true;
- $this->posts[0]->post_date = current_time('mysql');
- }
- } else {
- if (! current_user_can('read_post', $this->posts[0]->ID))
- $this->posts = array();
- }
- }
- } else {
- if (mysql2date('U', $this->posts[0]->post_date_gmt) > mysql2date('U', $now)) { //it's future dated
- $this->is_preview = true;
- if (!current_user_can('edit_post', $this->posts[0]->ID)) {
- $this->posts = array ( );
- }
- }
+ if ( ($client_last_modified && $client_etag) ?
+ (($client_modified_timestamp >= $wp_modified_timestamp) && ($client_etag == $wp_etag)) :
+ (($client_modified_timestamp >= $wp_modified_timestamp) || ($client_etag == $wp_etag)) ) {
+ $status = 304;
+ $exit_required = true;
}
}
- update_post_caches($this->posts);
-
- $this->posts = apply_filters('the_posts', $this->posts);
- $this->post_count = count($this->posts);
- if ($this->post_count > 0) {
- $this->post = $this->posts[0];
- }
-
- // Save any changes made to the query vars.
- $this->query_vars = $q;
- return $this->posts;
- }
-
- function next_post() {
-
- $this->current_post++;
+ $headers = apply_filters('wp_headers', $headers, $this);
- $this->post = $this->posts[$this->current_post];
- return $this->post;
- }
+ if ( ! empty( $status ) )
+ status_header( $status );
+ foreach( (array) $headers as $name => $field_value )
+ @header("{$name}: {$field_value}");
- function the_post() {
- global $post;
- $this->in_the_loop = true;
- $post = $this->next_post();
- setup_postdata($post);
+ if ($exit_required)
+ exit();
- if ( $this->current_post == 0 ) // loop has just started
- do_action('loop_start');
+ do_action_ref_array('send_headers', array(&$this));
}
- function have_posts() {
- if ($this->current_post + 1 < $this->post_count) {
- return true;
- } elseif ($this->current_post + 1 == $this->post_count) {
- do_action('loop_end');
- // Do some cleaning up after the loop
- $this->rewind_posts();
+ /**
+ * Sets the query string property based off of the query variable property.
+ *
+ * The 'query_string' filter is deprecated, but still works. Plugins should
+ * use the 'request' filter instead.
+ *
+ * @since 2.0.0
+ */
+ function build_query_string() {
+ $this->query_string = '';
+ foreach ( (array) array_keys($this->query_vars) as $wpvar) {
+ if ( '' != $this->query_vars[$wpvar] ) {
+ $this->query_string .= (strlen($this->query_string) < 1) ? '' : '&';
+ if ( !is_scalar($this->query_vars[$wpvar]) ) // Discard non-scalars.
+ continue;
+ $this->query_string .= $wpvar . '=' . rawurlencode($this->query_vars[$wpvar]);
+ }
}
- $this->in_the_loop = false;
- return false;
- }
-
- function rewind_posts() {
- $this->current_post = -1;
- if ($this->post_count > 0) {
- $this->post = $this->posts[0];
+ // query_string filter deprecated. Use request filter instead.
+ if ( has_filter('query_string') ) { // Don't bother filtering and parsing if no plugins are hooked in.
+ $this->query_string = apply_filters('query_string', $this->query_string);
+ parse_str($this->query_string, $this->query_vars);
}
}
-
- function &query($query) {
- $this->parse_query($query);
- return $this->get_posts();
- }
-
- function get_queried_object() {
- if (isset($this->queried_object)) {
- return $this->queried_object;
- }
- $this->queried_object = NULL;
- $this->queried_object_id = 0;
-
- if ($this->is_category) {
- $cat = $this->get('cat');
- $category = &get_category($cat);
- $this->queried_object = &$category;
- $this->queried_object_id = $cat;
- } else if ($this->is_single) {
- $this->queried_object = $this->post;
- $this->queried_object_id = $this->post->ID;
- } else if ($this->is_page) {
- $this->queried_object = $this->post;
- $this->queried_object_id = $this->post->ID;
- } else if ($this->is_author) {
- $author_id = $this->get('author');
- $author = get_userdata($author_id);
- $this->queried_object = $author;
- $this->queried_object_id = $author_id;
+ /**
+ * Set up the WordPress Globals.
+ *
+ * The query_vars property will be extracted to the GLOBALS. So care should
+ * be taken when naming global variables that might interfere with the
+ * WordPress environment.
+ *
+ * @global string $query_string Query string for the loop.
+ * @global int $more Only set, if single page or post.
+ * @global int $single If single page or post. Only set, if single page or post.
+ *
+ * @since 2.0.0
+ */
+ function register_globals() {
+ global $wp_query;
+ // Extract updated query vars back into global namespace.
+ foreach ( (array) $wp_query->query_vars as $key => $value) {
+ $GLOBALS[$key] = $value;
}
- return $this->queried_object;
- }
-
- function get_queried_object_id() {
- $this->get_queried_object();
+ $GLOBALS['query_string'] = $this->query_string;
+ $GLOBALS['posts'] = & $wp_query->posts;
+ $GLOBALS['post'] = $wp_query->post;
+ $GLOBALS['request'] = $wp_query->request;
- if (isset($this->queried_object_id)) {
- return $this->queried_object_id;
+ if ( is_single() || is_page() ) {
+ $GLOBALS['more'] = 1;
+ $GLOBALS['single'] = 1;
}
-
- return 0;
}
- function WP_Query ($query = '') {
- if (! empty($query)) {
- $this->query($query);
- }
+ /**
+ * Set up the current user.
+ *
+ * @since 2.0.0
+ */
+ function init() {
+ wp_get_current_user();
}
-}
-class retrospam_mgr {
- var $spam_words;
- var $comments_list;
- var $found_comments;
-
- function retrospam_mgr() {
- global $wpdb;
-
- $list = explode("\n", get_settings('moderation_keys') );
- $list = array_unique( $list );
- $this->spam_words = $list;
-
- $this->comment_list = $wpdb->get_results("SELECT comment_ID AS ID, comment_content AS text, comment_approved AS approved, comment_author_url AS url, comment_author_ip AS ip, comment_author_email AS email FROM $wpdb->comments ORDER BY comment_ID ASC");
- } // End of class constructor
+ /**
+ * Set up the Loop based on the query variables.
+ *
+ * @uses WP::$query_vars
+ * @since 2.0.0
+ */
+ function query_posts() {
+ global $wp_the_query;
+ $this->build_query_string();
+ $wp_the_query->query($this->query_vars);
+ }
- function move_spam( $id_list ) {
- global $wpdb;
- $cnt = 0;
- $id_list = explode( ',', $id_list );
+ /**
+ * Set the Headers for 404, if nothing is found for requested URL.
+ *
+ * Issue a 404 if a request doesn't match any posts and doesn't match
+ * any object (e.g. an existing-but-empty category, tag, author) and a 404 was not already
+ * issued, and if the request was not a search or the homepage.
+ *
+ * Otherwise, issue a 200.
+ *
+ * @since 2.0.0
+ */
+ function handle_404() {
+ global $wp_query;
- foreach ( $id_list as $comment ) {
- if ( $wpdb->query("update $wpdb->comments set comment_approved = '0' where comment_ID = '$comment'") ) {
- $cnt++;
+ if ( !is_admin() && ( 0 == count( $wp_query->posts ) ) && !is_404() && !is_robots() && !is_search() && !is_home() ) {
+ // Don't 404 for these queries if they matched an object.
+ if ( ( is_tag() || is_category() || is_tax() || is_author() ) && $wp_query->get_queried_object() && !is_paged() ) {
+ if ( !is_404() )
+ status_header( 200 );
+ return;
}
+ $wp_query->set_404();
+ status_header( 404 );
+ nocache_headers();
+ } elseif ( !is_404() ) {
+ status_header( 200 );
}
- echo "<div class='updated'><p>$cnt comment";
- if ($cnt != 1 ) echo "s";
- echo " moved to the moderation queue.</p></div>\n";
- } // End function move_spam
-
- function find_spam() {
- $in_queue = 0;
-
- foreach( $this->comment_list as $comment ) {
- if( $comment->approved == 1 ) {
- foreach( $this->spam_words as $word ) {
- $word = trim($word);
- if ( empty( $word ) )
- continue;
- $fulltext = strtolower($comment->email.' '.$comment->url.' '.$comment->ip.' '.$comment->text);
- if( strpos( $fulltext, strtolower($word) ) != FALSE ) {
- $this->found_comments[] = $comment->ID;
- break;
- }
- }
- } else {
- $in_queue++;
- }
- }
- return array( 'found' => $this->found_comments, 'in_queue' => $in_queue );
- } // End function find_spam
-
- function display_edit_form( $counters ) {
- $numfound = count($counters[found]);
- $numqueue = $counters[in_queue];
-
- $body = '<p>' . sprintf(__('Suspected spam comments: <strong>%s</strong>'), $numfound) . '</p>';
-
- if ( count($counters[found]) > 0 ) {
- $id_list = implode( ',', $counters[found] );
- $body .= '<p><a href="options-discussion.php?action=retrospam&move=true&ids='.$id_list.'">'. __('Move suspect comments to moderation queue »') . '</a></p>';
-
- }
- $head = '<div class="wrap"><h2>' . __('Check Comments Results:') . '</h2>';
+ }
- $foot .= '<p><a href="options-discussion.php">' . __('« Return to Discussion Options page.') . '</a></p></div>';
-
- return $head . $body . $foot;
- } // End function display_edit_form
+ /**
+ * Sets up all of the variables required by the WordPress environment.
+ *
+ * The action 'wp' has one parameter that references the WP object. It
+ * allows for accessing the properties and methods to further manipulate the
+ * object.
+ *
+ * @since 2.0.0
+ *
+ * @param string|array $query_args Passed to {@link parse_request()}
+ */
+ function main($query_args = '') {
+ $this->init();
+ $this->parse_request($query_args);
+ $this->send_headers();
+ $this->query_posts();
+ $this->handle_404();
+ $this->register_globals();
+ do_action_ref_array('wp', array(&$this));
+ }
+ /**
+ * PHP4 Constructor - Does nothing.
+ *
+ * Call main() method when ready to run setup.
+ *
+ * @since 2.0.0
+ *
+ * @return WP
+ */
+ function WP() {
+ // Empty.
+ }
}
-class WP_Rewrite {
- var $permalink_structure;
- var $category_base;
- var $category_structure;
- var $author_base = 'author';
- var $author_structure;
- var $date_structure;
- var $page_structure;
- var $search_base = 'search';
- var $search_structure;
- var $comments_base = 'comments';
- var $feed_base = 'feed';
- var $comments_feed_structure;
- var $feed_structure;
- var $front;
- var $root = '';
- var $index = 'index.php';
- var $matches = '';
- var $rules;
- var $use_verbose_rules = false;
- var $rewritecode =
- array(
- '%year%',
- '%monthnum%',
- '%day%',
- '%hour%',
- '%minute%',
- '%second%',
- '%postname%',
- '%post_id%',
- '%category%',
- '%author%',
- '%pagename%',
- '%search%'
- );
-
- 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]+)',
- '(.+?)',
- '([^/]+)',
- '([^/]+)',
- '(.+)'
- );
-
- var $queryreplace =
- array (
- 'year=',
- 'monthnum=',
- 'day=',
- 'hour=',
- 'minute=',
- 'second=',
- 'name=',
- 'p=',
- 'category_name=',
- 'author_name=',
- 'pagename=',
- 's='
- );
-
- var $feeds = array ('feed', 'rdf', 'rss', 'rss2', 'atom');
-
- function using_permalinks() {
- if (empty($this->permalink_structure))
- return false;
- else
- return true;
- }
+/**
+ * WordPress Error class.
+ *
+ * Container for checking for WordPress errors and error messages. Return
+ * WP_Error and use {@link is_wp_error()} to check if this class is returned.
+ * Many core WordPress functions pass this class in the event of an error and
+ * if not handled properly will result in code errors.
+ *
+ * @package WordPress
+ * @since 2.1.0
+ */
+class WP_Error {
+ /**
+ * Stores the list of errors.
+ *
+ * @since 2.1.0
+ * @var array
+ * @access private
+ */
+ var $errors = array();
+
+ /**
+ * Stores the list of data for error codes.
+ *
+ * @since 2.1.0
+ * @var array
+ * @access private
+ */
+ var $error_data = array();
+
+ /**
+ * PHP4 Constructor - Sets up error message.
+ *
+ * If code parameter is empty then nothing will be done. It is possible to
+ * add multiple messages to the same code, but with other methods in the
+ * class.
+ *
+ * All parameters are optional, but if the code parameter is set, then the
+ * data parameter is optional.
+ *
+ * @since 2.1.0
+ *
+ * @param string|int $code Error code
+ * @param string $message Error message
+ * @param mixed $data Optional. Error data.
+ * @return WP_Error
+ */
+ function WP_Error($code = '', $message = '', $data = '') {
+ if ( empty($code) )
+ return;
- function using_index_permalinks() {
- if (empty($this->permalink_structure)) {
- return false;
- }
+ $this->errors[$code][] = $message;
- // If the index is not in the permalink, we're using mod_rewrite.
- if (preg_match('#^/*' . $this->index . '#', $this->permalink_structure)) {
- return true;
- }
-
- return false;
+ if ( ! empty($data) )
+ $this->error_data[$code] = $data;
}
- function using_mod_rewrite_permalinks() {
- if ( $this->using_permalinks() && ! $this->using_index_permalinks())
- return true;
- else
- return false;
- }
-
- function preg_index($number) {
- $match_prefix = '$';
- $match_suffix = '';
-
- if (! empty($this->matches)) {
- $match_prefix = '$' . $this->matches . '[';
- $match_suffix = ']';
- }
+ /**
+ * Retrieve all error codes.
+ *
+ * @since 2.1.0
+ * @access public
+ *
+ * @return array List of error codes, if avaiable.
+ */
+ function get_error_codes() {
+ if ( empty($this->errors) )
+ return array();
- return "$match_prefix$number$match_suffix";
+ return array_keys($this->errors);
}
- function page_rewrite_rules() {
- $uris = get_settings('page_uris');
- $attachment_uris = get_settings('page_attachment_uris');
+ /**
+ * Retrieve first error code available.
+ *
+ * @since 2.1.0
+ * @access public
+ *
+ * @return string|int Empty string, if no error codes.
+ */
+ function get_error_code() {
+ $codes = $this->get_error_codes();
- $rewrite_rules = array();
- $page_structure = $this->get_page_permastruct();
- 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));
- }
- }
- 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));
- }
- }
+ if ( empty($codes) )
+ return '';
- return $rewrite_rules;
+ return $codes[0];
}
- function get_date_permastruct() {
- if (isset($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 = '';
+ /**
+ * Retrieve all error messages or error messages matching code.
+ *
+ * @since 2.1.0
+ *
+ * @param string|int $code Optional. Retrieve messages matching code, if exists.
+ * @return array Error strings on success, or empty array on failure (if using codee parameter).
+ */
+ function get_error_messages($code = '') {
+ // Return all messages if no code specified.
+ if ( empty($code) ) {
+ $all_messages = array();
+ foreach ( (array) $this->errors as $code => $messages )
+ $all_messages = array_merge($all_messages, $messages);
- foreach ($endians as $endian) {
- if (false !== strpos($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);
- $tok_index = 1;
- foreach ($tokens[0] as $token) {
- if ( ($token == '%post_id%') && ($tok_index <= 3) ) {
- $front = $front . 'date/';
- break;
- }
+ return $all_messages;
}
- $this->date_structure = $front . $date_endian;
-
- return $this->date_structure;
+ if ( isset($this->errors[$code]) )
+ return $this->errors[$code];
+ else
+ return array();
}
- function get_year_permastruct() {
- $structure = $this->get_date_permastruct($this->permalink_structure);
-
- if (empty($structure)) {
- return false;
- }
-
- $structure = str_replace('%monthnum%', '', $structure);
- $structure = str_replace('%day%', '', $structure);
-
- $structure = preg_replace('#/+#', '/', $structure);
-
- return $structure;
+ /**
+ * Get single error message.
+ *
+ * This will get the first message available for the code. If no code is
+ * given then the first code available will be used.
+ *
+ * @since 2.1.0
+ *
+ * @param string|int $code Optional. Error code to retrieve message.
+ * @return string
+ */
+ function get_error_message($code = '') {
+ if ( empty($code) )
+ $code = $this->get_error_code();
+ $messages = $this->get_error_messages($code);
+ if ( empty($messages) )
+ return '';
+ return $messages[0];
}
- function get_month_permastruct() {
- $structure = $this->get_date_permastruct($this->permalink_structure);
-
- if (empty($structure)) {
- return false;
- }
-
- $structure = str_replace('%day%', '', $structure);
-
- $structure = preg_replace('#/+#', '/', $structure);
+ /**
+ * Retrieve error data for error code.
+ *
+ * @since 2.1.0
+ *
+ * @param string|int $code Optional. Error code.
+ * @return mixed Null, if no errors.
+ */
+ function get_error_data($code = '') {
+ if ( empty($code) )
+ $code = $this->get_error_code();
- return $structure;
+ if ( isset($this->error_data[$code]) )
+ return $this->error_data[$code];
+ return null;
}
- function get_day_permastruct() {
- return $this->get_date_permastruct($this->permalink_structure);
+ /**
+ * Append more error messages to list of error messages.
+ *
+ * @since 2.1.0
+ * @access public
+ *
+ * @param string|int $code Error code.
+ * @param string $message Error message.
+ * @param mixed $data Optional. Error data.
+ */
+ function add($code, $message, $data = '') {
+ $this->errors[$code][] = $message;
+ if ( ! empty($data) )
+ $this->error_data[$code] = $data;
}
- function get_category_permastruct() {
- if (isset($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 = $this->front . 'category/';
- else
- $this->category_structure = $this->category_base . '/';
+ /**
+ * Add data for error code.
+ *
+ * The error code can only contain one error data.
+ *
+ * @since 2.1.0
+ *
+ * @param mixed $data Error data.
+ * @param string|int $code Error code.
+ */
+ function add_data($data, $code = '') {
+ if ( empty($code) )
+ $code = $this->get_error_code();
- $this->category_structure .= '%category%';
-
- return $this->category_structure;
+ $this->error_data[$code] = $data;
}
+}
- function get_author_permastruct() {
- if (isset($this->author_structure)) {
- return $this->author_structure;
- }
+/**
+ * Check whether variable is a WordPress Error.
+ *
+ * Looks at the object and if a WP_Error class. Does not check to see if the
+ * parent is also WP_Error, so can't inherit WP_Error and still use this
+ * function.
+ *
+ * @since 2.1.0
+ *
+ * @param mixed $thing Check if unknown variable is WordPress Error object.
+ * @return bool True, if WP_Error. False, if not WP_Error.
+ */
+function is_wp_error($thing) {
+ if ( is_object($thing) && is_a($thing, 'WP_Error') )
+ return true;
+ return false;
+}
- if (empty($this->permalink_structure)) {
- $this->author_structure = '';
- return false;
- }
+/**
+ * A class for displaying various tree-like structures.
+ *
+ * Extend the Walker class to use it, see examples at the below. Child classes
+ * do not need to implement all of the abstract methods in the class. The child
+ * only needs to implement the methods that are needed. Also, the methods are
+ * not strictly abstract in that the parameter definition needs to be followed.
+ * The child classes can have additional parameters.
+ *
+ * @package WordPress
+ * @since 2.1.0
+ * @abstract
+ */
+class Walker {
+ /**
+ * What the class handles.
+ *
+ * @since 2.1.0
+ * @var string
+ * @access public
+ */
+ var $tree_type;
+
+ /**
+ * DB fields to use.
+ *
+ * @since 2.1.0
+ * @var array
+ * @access protected
+ */
+ var $db_fields;
+
+ /**
+ * Max number of pages walked by the paged walker
+ *
+ * @since 2.7.0
+ * @var int
+ * @access protected
+ */
+ var $max_pages = 1;
+
+ /**
+ * Starts the list before the elements are added.
+ *
+ * Additional parameters are used in child classes. The args parameter holds
+ * additional values that may be used with the child class methods. This
+ * method is called at the start of the output list.
+ *
+ * @since 2.1.0
+ * @abstract
+ *
+ * @param string $output Passed by reference. Used to append additional content.
+ */
+ function start_lvl(&$output) {}
+
+ /**
+ * Ends the list of after the elements are added.
+ *
+ * Additional parameters are used in child classes. The args parameter holds
+ * additional values that may be used with the child class methods. This
+ * method finishes the list at the end of output of the elements.
+ *
+ * @since 2.1.0
+ * @abstract
+ *
+ * @param string $output Passed by reference. Used to append additional content.
+ */
+ function end_lvl(&$output) {}
+
+ /**
+ * Start the element output.
+ *
+ * Additional parameters are used in child classes. The args parameter holds
+ * additional values that may be used with the child class methods. Includes
+ * the element output also.
+ *
+ * @since 2.1.0
+ * @abstract
+ *
+ * @param string $output Passed by reference. Used to append additional content.
+ */
+ function start_el(&$output) {}
+
+ /**
+ * Ends the element output, if needed.
+ *
+ * Additional parameters are used in child classes. The args parameter holds
+ * additional values that may be used with the child class methods.
+ *
+ * @since 2.1.0
+ * @abstract
+ *
+ * @param string $output Passed by reference. Used to append additional content.
+ */
+ function end_el(&$output) {}
+
+ /**
+ * Traverse elements to create list from elements.
+ *
+ * Display one element if the element doesn't have any children otherwise,
+ * display the element and its children. Will only traverse up to the max
+ * depth and no ignore elements under that depth. It is possible to set the
+ * max depth to include all depths, see walk() method.
+ *
+ * This method shouldn't be called directly, use the walk() method instead.
+ *
+ * @since 2.5.0
+ *
+ * @param object $element Data object
+ * @param array $children_elements List of elements to continue traversing.
+ * @param int $max_depth Max depth to traverse.
+ * @param int $depth Depth of current element.
+ * @param array $args
+ * @param string $output Passed by reference. Used to append additional content.
+ * @return null Null on failure with no changes to parameters.
+ */
+ function display_element( $element, &$children_elements, $max_depth, $depth=0, $args, &$output ) {
- $this->author_structure = $this->front . $this->author_base . '/%author%';
+ if ( !$element )
+ return;
- return $this->author_structure;
- }
+ $id_field = $this->db_fields['id'];
- function get_search_permastruct() {
- if (isset($this->search_structure)) {
- return $this->search_structure;
- }
+ //display this element
+ if ( is_array( $args[0] ) )
+ $args[0]['has_children'] = ! empty( $children_elements[$element->$id_field] );
+ $cb_args = array_merge( array(&$output, $element, $depth), $args);
+ call_user_func_array(array(&$this, 'start_el'), $cb_args);
- if (empty($this->permalink_structure)) {
- $this->search_structure = '';
- return false;
- }
+ $id = $element->$id_field;
- $this->search_structure = $this->root . $this->search_base . '/%search%';
+ // descend only when the depth is right and there are childrens for this element
+ if ( ($max_depth == 0 || $max_depth > $depth+1 ) && isset( $children_elements[$id]) ) {
- return $this->search_structure;
- }
+ foreach( $children_elements[ $id ] as $child ){
- function get_page_permastruct() {
- if (isset($this->page_structure)) {
- return $this->page_structure;
+ if ( !isset($newlevel) ) {
+ $newlevel = true;
+ //start the child delimiter
+ $cb_args = array_merge( array(&$output, $depth), $args);
+ call_user_func_array(array(&$this, 'start_lvl'), $cb_args);
+ }
+ $this->display_element( $child, $children_elements, $max_depth, $depth + 1, $args, $output );
+ }
+ unset( $children_elements[ $id ] );
}
- if (empty($this->permalink_structure)) {
- $this->page_structure = '';
- return false;
+ if ( isset($newlevel) && $newlevel ){
+ //end the child delimiter
+ $cb_args = array_merge( array(&$output, $depth), $args);
+ call_user_func_array(array(&$this, 'end_lvl'), $cb_args);
}
- $this->page_structure = $this->root . '%pagename%';
-
- return $this->page_structure;
+ //end this element
+ $cb_args = array_merge( array(&$output, $element, $depth), $args);
+ call_user_func_array(array(&$this, 'end_el'), $cb_args);
}
- function get_feed_permastruct() {
- if (isset($this->feed_structure)) {
- return $this->feed_structure;
- }
-
- if (empty($this->permalink_structure)) {
- $this->feed_structure = '';
- return false;
+ /**
+ * Display array of elements hierarchically.
+ *
+ * It is a generic function which does not assume any existing order of
+ * elements. max_depth = -1 means flatly display every element. max_depth =
+ * 0 means display all levels. max_depth > 0 specifies the number of
+ * display levels.
+ *
+ * @since 2.1.0
+ *
+ * @param array $elements
+ * @param int $max_depth
+ * @return string
+ */
+ function walk( $elements, $max_depth) {
+
+ $args = array_slice(func_get_args(), 2);
+ $output = '';
+
+ if ($max_depth < -1) //invalid parameter
+ return $output;
+
+ if (empty($elements)) //nothing to walk
+ return $output;
+
+ $id_field = $this->db_fields['id'];
+ $parent_field = $this->db_fields['parent'];
+
+ // flat display
+ if ( -1 == $max_depth ) {
+ $empty_array = array();
+ foreach ( $elements as $e )
+ $this->display_element( $e, $empty_array, 1, 0, $args, $output );
+ return $output;
+ }
+
+ /*
+ * need to display in hierarchical order
+ * separate elements into two buckets: top level and children elements
+ * children_elements is two dimensional array, eg.
+ * children_elements[10][] contains all sub-elements whose parent is 10.
+ */
+ $top_level_elements = array();
+ $children_elements = array();
+ foreach ( $elements as $e) {
+ if ( 0 == $e->$parent_field )
+ $top_level_elements[] = $e;
+ else
+ $children_elements[ $e->$parent_field ][] = $e;
}
- $this->feed_structure = $this->root . $this->feed_base . '/%feed%';
+ /*
+ * when none of the elements is top level
+ * assume the first one must be root of the sub elements
+ */
+ if ( empty($top_level_elements) ) {
- return $this->feed_structure;
- }
+ $first = array_slice( $elements, 0, 1 );
+ $root = $first[0];
- function get_comment_feed_permastruct() {
- if (isset($this->comment_feed_structure)) {
- return $this->comment_feed_structure;
+ $top_level_elements = array();
+ $children_elements = array();
+ foreach ( $elements as $e) {
+ if ( $root->$parent_field == $e->$parent_field )
+ $top_level_elements[] = $e;
+ else
+ $children_elements[ $e->$parent_field ][] = $e;
+ }
}
- if (empty($this->permalink_structure)) {
- $this->comment_feed_structure = '';
- return false;
- }
+ foreach ( $top_level_elements as $e )
+ $this->display_element( $e, $children_elements, $max_depth, 0, $args, $output );
- $this->comment_feed_structure = $this->root . $this->comments_base . '/' . $this->feed_base . '/%feed%';
+ /*
+ * if we are displaying all levels, and remaining children_elements is not empty,
+ * then we got orphans, which should be displayed regardless
+ */
+ if ( ( $max_depth == 0 ) && count( $children_elements ) > 0 ) {
+ $empty_array = array();
+ foreach ( $children_elements as $orphans )
+ foreach( $orphans as $op )
+ $this->display_element( $op, $empty_array, 1, 0, $args, $output );
+ }
- return $this->comment_feed_structure;
+ return $output;
}
- function add_rewrite_tag($tag, $pattern, $query) {
- // 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.
- $position = array_search($tag, $this->rewritecode);
- if (FALSE !== $position && NULL !== $position) {
- $this->rewritereplace[$position] = $pattern;
- $this->queryreplace[$position] = $query;
+ /**
+ * paged_walk() - produce a page of nested elements
+ *
+ * Given an array of hierarchical elements, the maximum depth, a specific page number,
+ * and number of elements per page, this function first determines all top level root elements
+ * belonging to that page, then lists them and all of their children in hierarchical order.
+ *
+ * @package WordPress
+ * @since 2.7
+ * @param $max_depth = 0 means display all levels; $max_depth > 0 specifies the number of display levels.
+ * @param $page_num the specific page number, beginning with 1.
+ * @return XHTML of the specified page of elements
+ */
+ function paged_walk( $elements, $max_depth, $page_num, $per_page ) {
+
+ /* sanity check */
+ if ( empty($elements) || $max_depth < -1 )
+ return '';
+
+ $args = array_slice( func_get_args(), 4 );
+ $output = '';
+
+ $id_field = $this->db_fields['id'];
+ $parent_field = $this->db_fields['parent'];
+
+ $count = -1;
+ if ( -1 == $max_depth )
+ $total_top = count( $elements );
+ if ( $page_num < 1 || $per_page < 0 ) {
+ // No paging
+ $paging = false;
+ $start = 0;
+ if ( -1 == $max_depth )
+ $end = $total_top;
+ $this->max_pages = 1;
} else {
- $this->rewritecode[] = $tag;
- $this->rewritereplace[] = $pattern;
- $this->queryreplace[] = $query;
- }
- }
+ $paging = true;
+ $start = ( (int)$page_num - 1 ) * (int)$per_page;
+ $end = $start + $per_page;
+ if ( -1 == $max_depth )
+ $this->max_pages = ceil($total_top / $per_page);
+ }
+
+ // flat display
+ if ( -1 == $max_depth ) {
+ if ( !empty($args[0]['reverse_top_level']) ) {
+ $elements = array_reverse( $elements );
+ $oldstart = $start;
+ $start = $total_top - $end;
+ $end = $total_top - $oldstart;
+ }
- function generate_rewrite_rules($permalink_structure, $paged = true, $feed = true, $forcomments = false, $walk_dirs = true) {
- $feedregex2 = '';
- foreach ($this->feeds as $feed_name) {
- $feedregex2 .= $feed_name . '|';
- }
- $feedregex2 = '(' . trim($feedregex2, '|') . ')/?$';
- $feedregex = $this->feed_base . '/' . $feedregex2;
-
- $trackbackregex = 'trackback/?$';
- $pageregex = 'page/?([0-9]{1,})/?$';
-
- $front = substr($permalink_structure, 0, strpos($permalink_structure, '%'));
- preg_match_all('/%.+?%/', $permalink_structure, $tokens);
-
- $num_tokens = count($tokens[0]);
-
- $index = $this->index;
- $feedindex = $index;
- $trackbackindex = $index;
- for ($i = 0; $i < $num_tokens; ++$i) {
- if (0 < $i) {
- $queries[$i] = $queries[$i - 1] . '&';
+ $empty_array = array();
+ foreach ( $elements as $e ) {
+ $count++;
+ if ( $count < $start )
+ continue;
+ if ( $count >= $end )
+ break;
+ $this->display_element( $e, $empty_array, 1, 0, $args, $output );
}
-
- $query_token = str_replace($this->rewritecode, $this->queryreplace, $tokens[0][$i]) . $this->preg_index($i+1);
- $queries[$i] .= $query_token;
+ return $output;
+ }
+
+ /*
+ * separate elements into two buckets: top level and children elements
+ * children_elements is two dimensional array, eg.
+ * children_elements[10][] contains all sub-elements whose parent is 10.
+ */
+ $top_level_elements = array();
+ $children_elements = array();
+ foreach ( $elements as $e) {
+ if ( 0 == $e->$parent_field )
+ $top_level_elements[] = $e;
+ else
+ $children_elements[ $e->$parent_field ][] = $e;
}
- $structure = $permalink_structure;
- if ($front != '/') {
- $structure = str_replace($front, '', $structure);
+ $total_top = count( $top_level_elements );
+ if ( $paging )
+ $this->max_pages = ceil($total_top / $per_page);
+ else
+ $end = $total_top;
+
+ if ( !empty($args[0]['reverse_top_level']) ) {
+ $top_level_elements = array_reverse( $top_level_elements );
+ $oldstart = $start;
+ $start = $total_top - $end;
+ $end = $total_top - $oldstart;
}
- $structure = trim($structure, '/');
- if ($walk_dirs) {
- $dirs = explode('/', $structure);
- } else {
- $dirs[] = $structure;
+ if ( !empty($args[0]['reverse_children']) ) {
+ foreach ( $children_elements as $parent => $children )
+ $children_elements[$parent] = array_reverse( $children );
}
- $num_dirs = count($dirs);
-
- $front = preg_replace('|^/+|', '', $front);
- $post_rewrite = array();
- $struct = $front;
- for ($j = 0; $j < $num_dirs; ++$j) {
- $struct .= $dirs[$j] . '/';
- $struct = ltrim($struct, '/');
- $match = str_replace($this->rewritecode, $this->rewritereplace, $struct);
- $num_toks = preg_match_all('/%.+?%/', $struct, $toks);
- $query = $queries[$num_toks - 1];
+ foreach ( $top_level_elements as $e ) {
+ $count++;
- $pagematch = $match . $pageregex;
- $pagequery = $index . '?' . $query . '&paged=' . $this->preg_index($num_toks + 1);
+ //for the last page, need to unset earlier children in order to keep track of orphans
+ if ( $end >= $total_top && $count < $start )
+ $this->unset_children( $e, $children_elements );
- $feedmatch = $match . $feedregex;
- $feedquery = $feedindex . '?' . $query . '&feed=' . $this->preg_index($num_toks + 1);
+ if ( $count < $start )
+ continue;
- $feedmatch2 = $match . $feedregex2;
- $feedquery2 = $feedindex . '?' . $query . '&feed=' . $this->preg_index($num_toks + 1);
+ if ( $count >= $end )
+ break;
- if ($forcomments) {
- $feedquery .= '&withcomments=1';
- $feedquery2 .= '&withcomments=1';
- }
+ $this->display_element( $e, $children_elements, $max_depth, 0, $args, $output );
+ }
- $rewrite = array();
- if ($feed)
- $rewrite = array($feedmatch => $feedquery, $feedmatch2 => $feedquery2);
- if ($paged)
- $rewrite = array_merge($rewrite, array($pagematch => $pagequery));
-
- if ($num_toks) {
- $post = false;
- $page = false;
- if (strstr($struct, '%postname%') || strstr($struct, '%post_id%')
- || strstr($struct, '%pagename%')
- || (strstr($struct, '%year%') && strstr($struct, '%monthnum%') && strstr($struct, '%day%') && strstr($struct, '%hour%') && strstr($struct, '%minute') && strstr($struct, '%second%'))) {
- $post = true;
- if ( strstr($struct, '%pagename%') )
- $page = true;
- $trackbackmatch = $match . $trackbackregex;
- $trackbackquery = $trackbackindex . '?' . $query . '&tb=1';
- $match = rtrim($match, '/');
- $submatchbase = str_replace(array('(',')'),'',$match);
- $sub1 = $submatchbase . '/([^/]+)/';
- $sub1tb = $sub1 . $trackbackregex;
- $sub1feed = $sub1 . $feedregex;
- $sub1feed2 = $sub1 . $feedregex2;
- $sub1 .= '?$';
- $sub2 = $submatchbase . '/attachment/([^/]+)/';
- $sub2tb = $sub2 . $trackbackregex;
- $sub2feed = $sub2 . $feedregex;
- $sub2feed2 = $sub2 . $feedregex2;
- $sub2 .= '?$';
- $subquery = $index . '?attachment=' . $this->preg_index(1);
- $subtbquery = $subquery . '&tb=1';
- $subfeedquery = $subquery . '&feed=' . $this->preg_index(2);
- $match = $match . '(/[0-9]+)?/?$';
- $query = $index . '?' . $query . '&page=' . $this->preg_index($num_toks + 1);
- } else {
- $match .= '?$';
- $query = $index . '?' . $query;
- }
-
- $rewrite = array_merge($rewrite, array($match => $query));
-
- if ($post) {
- $rewrite = array_merge(array($trackbackmatch => $trackbackquery), $rewrite);
- if ( ! $page )
- $rewrite = array_merge($rewrite, array($sub1 => $subquery, $sub1tb => $subtbquery, $sub1feed => $subfeedquery, $sub1feed2 => $subfeedquery));
- $rewrite = array_merge($rewrite, array($sub2 => $subquery, $sub2tb => $subtbquery, $sub2feed => $subfeedquery, $sub2feed2 => $subfeedquery));
- }
- }
- $post_rewrite = array_merge($rewrite, $post_rewrite);
+ if ( $end >= $total_top && count( $children_elements ) > 0 ) {
+ $empty_array = array();
+ foreach ( $children_elements as $orphans )
+ foreach( $orphans as $op )
+ $this->display_element( $op, $empty_array, 1, 0, $args, $output );
}
- return $post_rewrite;
- }
- function generate_rewrite_rule($permalink_structure, $walk_dirs = false) {
- return $this->generate_rewrite_rules($permalink_structure, false, false, false, $walk_dirs);
+ return $output;
}
- /* rewrite_rules
- * Construct rewrite matches and queries from permalink structure.
- * Returns an associate array of matches and queries.
- */
- function rewrite_rules() {
- $rewrite = array();
-
- if (empty($this->permalink_structure)) {
- return $rewrite;
- }
+ function get_number_of_root_elements( $elements ){
- // Post
- $post_rewrite = $this->generate_rewrite_rules($this->permalink_structure);
- $post_rewrite = apply_filters('post_rewrite_rules', $post_rewrite);
+ $num = 0;
+ $parent_field = $this->db_fields['parent'];
- // Date
- $date_rewrite = $this->generate_rewrite_rules($this->get_date_permastruct());
- $date_rewrite = apply_filters('date_rewrite_rules', $date_rewrite);
-
- // Root
- $root_rewrite = $this->generate_rewrite_rules($this->root . '/');
- $root_rewrite = apply_filters('root_rewrite_rules', $root_rewrite);
+ foreach ( $elements as $e) {
+ if ( 0 == $e->$parent_field )
+ $num++;
+ }
+ return $num;
+ }
- // Comments
- $comments_rewrite = $this->generate_rewrite_rules($this->root . $this->comments_base, true, true, true, false);
- $comments_rewrite = apply_filters('comments_rewrite_rules', $comments_rewrite);
+ // unset all the children for a given top level element
+ function unset_children( $e, &$children_elements ){
- // Search
- $search_structure = $this->get_search_permastruct();
- $search_rewrite = $this->generate_rewrite_rules($search_structure);
- $search_rewrite = apply_filters('search_rewrite_rules', $search_rewrite);
+ if ( !$e || !$children_elements )
+ return;
- // Categories
- $category_rewrite = $this->generate_rewrite_rules($this->get_category_permastruct());
- $category_rewrite = apply_filters('category_rewrite_rules', $category_rewrite);
+ $id_field = $this->db_fields['id'];
+ $id = $e->$id_field;
- // Authors
- $author_rewrite = $this->generate_rewrite_rules($this->get_author_permastruct());
- $author_rewrite = apply_filters('author_rewrite_rules', $author_rewrite);
+ if ( !empty($children_elements[$id]) && is_array($children_elements[$id]) )
+ foreach ( (array) $children_elements[$id] as $child )
+ $this->unset_children( $child, $children_elements );
- // Pages
- $page_rewrite = $this->page_rewrite_rules();
- $page_rewrite = apply_filters('page_rewrite_rules', $page_rewrite);
+ if ( isset($children_elements[$id]) )
+ unset( $children_elements[$id] );
- // Put them together.
- $this->rules = array_merge($page_rewrite, $root_rewrite, $comments_rewrite, $search_rewrite, $category_rewrite, $author_rewrite, $date_rewrite, $post_rewrite);
+ }
+}
- do_action('generate_rewrite_rules', array(&$this));
- $this->rules = apply_filters('rewrite_rules_array', $this->rules);
+/**
+ * Create HTML list of pages.
+ *
+ * @package WordPress
+ * @since 2.1.0
+ * @uses Walker
+ */
+class Walker_Page extends Walker {
+ /**
+ * @see Walker::$tree_type
+ * @since 2.1.0
+ * @var string
+ */
+ var $tree_type = 'page';
- return $this->rules;
+ /**
+ * @see Walker::$db_fields
+ * @since 2.1.0
+ * @todo Decouple this.
+ * @var array
+ */
+ var $db_fields = array ('parent' => 'post_parent', 'id' => 'ID');
+
+ /**
+ * @see Walker::start_lvl()
+ * @since 2.1.0
+ *
+ * @param string $output Passed by reference. Used to append additional content.
+ * @param int $depth Depth of page. Used for padding.
+ */
+ function start_lvl(&$output, $depth) {
+ $indent = str_repeat("\t", $depth);
+ $output .= "\n$indent<ul class='children'>\n";
}
- function wp_rewrite_rules() {
- $this->rules = get_option('rewrite_rules');
- if ( empty($this->rules) ) {
- $this->matches = 'matches';
- $this->rewrite_rules();
- update_option('rewrite_rules', $this->rules);
- }
-
- return $this->rules;
+ /**
+ * @see Walker::end_lvl()
+ * @since 2.1.0
+ *
+ * @param string $output Passed by reference. Used to append additional content.
+ * @param int $depth Depth of page. Used for padding.
+ */
+ function end_lvl(&$output, $depth) {
+ $indent = str_repeat("\t", $depth);
+ $output .= "$indent</ul>\n";
}
- function mod_rewrite_rules() {
- if ( ! $this->using_permalinks()) {
- return '';
- }
+ /**
+ * @see Walker::start_el()
+ * @since 2.1.0
+ *
+ * @param string $output Passed by reference. Used to append additional content.
+ * @param object $page Page data object.
+ * @param int $depth Depth of page. Used for padding.
+ * @param int $current_page Page ID.
+ * @param array $args
+ */
+ function start_el(&$output, $page, $depth, $args, $current_page) {
+ if ( $depth )
+ $indent = str_repeat("\t", $depth);
+ else
+ $indent = '';
- $site_root = parse_url(get_settings('siteurl'));
- $site_root = trailingslashit($site_root['path']);
-
- $home_root = parse_url(get_settings('home'));
- $home_root = trailingslashit($home_root['path']);
-
- $rules = "<IfModule mod_rewrite.c>\n";
- $rules .= "RewriteEngine On\n";
- $rules .= "RewriteBase $home_root\n";
-
- if ($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=$num_rules]\n";
-
- foreach ($rewrite as $match => $query) {
- // Apache 1.3 does not support the reluctant (non-greedy) modifier.
- $match = str_replace('.+?', '.+', $match);
-
- // If the match is unanchored and greedy, prepend rewrite conditions
- // to avoid infinite redirects and eclipsing of real files.
- if ($match == '(.+)/?$' || $match == '([^/]+)/?$' ) {
- //nada.
- }
-
- if (strstr($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}{$this->index} [L]\n";
+ extract($args, EXTR_SKIP);
+ $css_class = array('page_item', 'page-item-'.$page->ID);
+ if ( !empty($current_page) ) {
+ $_current_page = get_page( $current_page );
+ if ( isset($_current_page->ancestors) && in_array($page->ID, (array) $_current_page->ancestors) )
+ $css_class[] = 'current_page_ancestor';
+ if ( $page->ID == $current_page )
+ $css_class[] = 'current_page_item';
+ elseif ( $_current_page && $page->ID == $_current_page->post_parent )
+ $css_class[] = 'current_page_parent';
+ } elseif ( $page->ID == get_option('page_for_posts') ) {
+ $css_class[] = 'current_page_parent';
}
- $rules .= "</IfModule>\n";
-
- $rules = apply_filters('mod_rewrite_rules', $rules);
- $rules = apply_filters('rewrite_rules', $rules); // Deprecated
+ $css_class = implode(' ', apply_filters('page_css_class', $css_class, $page));
- return $rules;
- }
+ $output .= $indent . '<li class="' . $css_class . '"><a href="' . get_page_link($page->ID) . '" title="' . esc_attr( wp_strip_all_tags( apply_filters( 'the_title', $page->post_title, $page->ID ) ) ) . '">' . $link_before . apply_filters( 'the_title', $page->post_title, $page->ID ) . $link_after . '</a>';
- function flush_rules() {
- generate_page_rewrite_rules();
- delete_option('rewrite_rules');
- $this->wp_rewrite_rules();
- if ( function_exists('save_mod_rewrite_rules') )
- save_mod_rewrite_rules();
- }
+ if ( !empty($show_date) ) {
+ if ( 'modified' == $show_date )
+ $time = $page->post_modified;
+ else
+ $time = $page->post_date;
- function init() {
- $this->permalink_structure = get_settings('permalink_structure');
- $this->front = substr($this->permalink_structure, 0, strpos($this->permalink_structure, '%'));
- $this->root = '';
- if ($this->using_index_permalinks()) {
- $this->root = $this->index . '/';
+ $output .= " " . mysql2date($date_format, $time);
}
- $this->category_base = get_settings('category_base');
- unset($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);
}
- function set_permalink_structure($permalink_structure) {
- if ($permalink_structure != $this->permalink_structure) {
- update_option('permalink_structure', $permalink_structure);
- $this->init();
- }
+ /**
+ * @see Walker::end_el()
+ * @since 2.1.0
+ *
+ * @param string $output Passed by reference. Used to append additional content.
+ * @param object $page Page data object. Not used.
+ * @param int $depth Depth of page. Not Used.
+ */
+ function end_el(&$output, $page, $depth) {
+ $output .= "</li>\n";
}
- function set_category_base($category_base) {
- if ($category_base != $this->category_base) {
- update_option('category_base', $category_base);
- $this->init();
- }
- }
+}
- function WP_Rewrite() {
- $this->init();
+/**
+ * Create HTML dropdown list of pages.
+ *
+ * @package WordPress
+ * @since 2.1.0
+ * @uses Walker
+ */
+class Walker_PageDropdown extends Walker {
+ /**
+ * @see Walker::$tree_type
+ * @since 2.1.0
+ * @var string
+ */
+ var $tree_type = 'page';
+
+ /**
+ * @see Walker::$db_fields
+ * @since 2.1.0
+ * @todo Decouple this
+ * @var array
+ */
+ var $db_fields = array ('parent' => 'post_parent', 'id' => 'ID');
+
+ /**
+ * @see Walker::start_el()
+ * @since 2.1.0
+ *
+ * @param string $output Passed by reference. Used to append additional content.
+ * @param object $page Page data object.
+ * @param int $depth Depth of page in reference to parent pages. Used for padding.
+ * @param array $args Uses 'selected' argument for selected page to set selected HTML attribute for option element.
+ */
+ function start_el(&$output, $page, $depth, $args) {
+ $pad = str_repeat(' ', $depth * 3);
+
+ $output .= "\t<option class=\"level-$depth\" value=\"$page->ID\"";
+ if ( $page->ID == $args['selected'] )
+ $output .= ' selected="selected"';
+ $output .= '>';
+ $title = esc_html($page->post_title);
+ $output .= "$pad$title";
+ $output .= "</option>\n";
}
}
-class WP {
- var $public_query_vars = array('m', 'p', 'posts', 'w', 'cat', 'withcomments', 's', 'search', 'exact', 'sentence', 'debug', 'calendar', 'page', 'paged', 'more', 'tb', 'pb', 'author', 'order', 'orderby', 'year', 'monthnum', 'day', 'hour', 'minute', 'second', 'name', 'category_name', 'feed', 'author_name', 'static', 'pagename', 'page_id', 'error', 'comments_popup', 'attachment', 'attachment_id', 'subpost', 'subpost_id', 'preview');
+/**
+ * Create HTML list of categories.
+ *
+ * @package WordPress
+ * @since 2.1.0
+ * @uses Walker
+ */
+class Walker_Category extends Walker {
+ /**
+ * @see Walker::$tree_type
+ * @since 2.1.0
+ * @var string
+ */
+ var $tree_type = 'category';
- var $private_query_vars = array('posts_per_page', 'posts_per_archive_page', 'what_to_show', 'showposts', 'nopaging', 'show_post_type');
+ /**
+ * @see Walker::$db_fields
+ * @since 2.1.0
+ * @todo Decouple this
+ * @var array
+ */
+ var $db_fields = array ('parent' => 'parent', 'id' => 'term_id');
+
+ /**
+ * @see Walker::start_lvl()
+ * @since 2.1.0
+ *
+ * @param string $output Passed by reference. Used to append additional content.
+ * @param int $depth Depth of category. Used for tab indentation.
+ * @param array $args Will only append content if style argument value is 'list'.
+ */
+ function start_lvl(&$output, $depth, $args) {
+ if ( 'list' != $args['style'] )
+ return;
- var $query_vars;
- var $query_string;
- var $request;
- var $matched_rule;
- var $matched_query;
- var $did_permalink = false;
+ $indent = str_repeat("\t", $depth);
+ $output .= "$indent<ul class='children'>\n";
+ }
- function parse_request($extra_query_vars = '') {
- global $wp_rewrite;
+ /**
+ * @see Walker::end_lvl()
+ * @since 2.1.0
+ *
+ * @param string $output Passed by reference. Used to append additional content.
+ * @param int $depth Depth of category. Used for tab indentation.
+ * @param array $args Will only append content if style argument value is 'list'.
+ */
+ function end_lvl(&$output, $depth, $args) {
+ if ( 'list' != $args['style'] )
+ return;
- $this->query_vars = array();
+ $indent = str_repeat("\t", $depth);
+ $output .= "$indent</ul>\n";
+ }
- if (! empty($extra_query_vars))
- parse_str($extra_query_vars, $extra_query_vars);
+ /**
+ * @see Walker::start_el()
+ * @since 2.1.0
+ *
+ * @param string $output Passed by reference. Used to append additional content.
+ * @param object $category Category data object.
+ * @param int $depth Depth of category in reference to parents.
+ * @param array $args
+ */
+ function start_el(&$output, $category, $depth, $args) {
+ extract($args);
+
+ $cat_name = esc_attr( $category->name);
+ $cat_name = apply_filters( 'list_cats', $cat_name, $category );
+ $link = '<a href="' . get_term_link( $category, $category->taxonomy ) . '" ';
+ if ( $use_desc_for_title == 0 || empty($category->description) )
+ $link .= 'title="' . sprintf(__( 'View all posts filed under %s' ), $cat_name) . '"';
else
- $extra_query_vars = array();
-
- // Process PATH_INFO, REQUEST_URI, and 404 for permalinks.
-
- // Fetch the rewrite rules.
- $rewrite = $wp_rewrite->wp_rewrite_rules();
+ $link .= 'title="' . esc_attr( strip_tags( apply_filters( 'category_description', $category->description, $category ) ) ) . '"';
+ $link .= '>';
+ $link .= $cat_name . '</a>';
- if (! empty($rewrite)) {
- // If we match a rewrite rule, this will be cleared.
- $error = '404';
- $this->did_permalink = true;
+ if ( (! empty($feed_image)) || (! empty($feed)) ) {
+ $link .= ' ';
- $pathinfo = $_SERVER['PATH_INFO'];
- $pathinfo_array = explode('?', $pathinfo);
- $pathinfo = $pathinfo_array[0];
- $req_uri = $_SERVER['REQUEST_URI'];
- $req_uri_array = explode('?', $req_uri);
- $req_uri = $req_uri_array[0];
- $self = $_SERVER['PHP_SELF'];
- $home_path = parse_url(get_settings('home'));
- $home_path = $home_path['path'];
- $home_path = trim($home_path, '/');
+ if ( empty($feed_image) )
+ $link .= '(';
- // Trim path info from the end and the leading home path from the
- // front. For path info requests, this leaves us with the requesting
- // filename, if any. For 404 requests, this leaves us with the
- // requested permalink.
- $req_uri = str_replace($pathinfo, '', $req_uri);
- $req_uri = trim($req_uri, '/');
- $req_uri = preg_replace("|^$home_path|", '', $req_uri);
- $req_uri = trim($req_uri, '/');
- $pathinfo = trim($pathinfo, '/');
- $pathinfo = preg_replace("|^$home_path|", '', $pathinfo);
- $pathinfo = trim($pathinfo, '/');
- $self = trim($self, '/');
- $self = preg_replace("|^$home_path|", '', $self);
- $self = str_replace($home_path, '', $self);
- $self = trim($self, '/');
+ $link .= '<a href="' . get_term_feed_link( $category->term_id, $category->taxonomy, $feed_type ) . '"';
- // The requested permalink is in $pathinfo for path info requests and
- // $req_uri for other requests.
- if ( ! empty($pathinfo) && !preg_match('|^.*' . $wp_rewrite->index . '$|', $pathinfo) ) {
- $request = $pathinfo;
- } else {
- // If the request uri is the index, blank it out so that we don't try to match it against a rule.
- if ( $req_uri == $wp_rewrite->index )
- $req_uri = '';
- $request = $req_uri;
+ if ( empty($feed) )
+ $alt = ' alt="' . sprintf(__( 'Feed for all posts filed under %s' ), $cat_name ) . '"';
+ else {
+ $title = ' title="' . $feed . '"';
+ $alt = ' alt="' . $feed . '"';
+ $name = $feed;
+ $link .= $title;
}
- $this->request = $request;
-
- // Look for matches.
- $request_match = $request;
- foreach ($rewrite as $match => $query) {
- // If the requesting file is the anchor of the match, prepend it
- // to the path info.
- if ((! empty($req_uri)) && (strpos($match, $req_uri) === 0) && ($req_uri != $request)) {
- $request_match = $req_uri . '/' . $request;
- }
-
- if (preg_match("!^$match!", $request_match, $matches) ||
- preg_match("!^$match!", urldecode($request_match), $matches)) {
- // Got a match.
- $this->matched_rule = $match;
-
- // Trim the query of everything up to the '?'.
- $query = preg_replace("!^.+\?!", '', $query);
+ $link .= '>';
- // Substitute the substring matches into the query.
- eval("\$query = \"$query\";");
- $this->matched_query = $query;
+ if ( empty($feed_image) )
+ $link .= $name;
+ else
+ $link .= "<img src='$feed_image'$alt$title" . ' />';
+ $link .= '</a>';
+ if ( empty($feed_image) )
+ $link .= ')';
+ }
- // Parse the query.
- parse_str($query, $query_vars);
+ if ( isset($show_count) && $show_count )
+ $link .= ' (' . intval($category->count) . ')';
- // If we're processing a 404 request, clear the error var
- // since we found something.
- if (isset($_GET['error']))
- unset($_GET['error']);
+ if ( isset($show_date) && $show_date ) {
+ $link .= ' ' . gmdate('Y-m-d', $category->last_update_timestamp);
+ }
- if (isset($error))
- unset($error);
+ if ( isset($current_category) && $current_category )
+ $_current_category = get_category( $current_category );
- break;
- }
- }
+ if ( 'list' == $args['style'] ) {
+ $output .= "\t<li";
+ $class = 'cat-item cat-item-'.$category->term_id;
+ if ( isset($current_category) && $current_category && ($category->term_id == $current_category) )
+ $class .= ' current-cat';
+ elseif ( isset($_current_category) && $_current_category && ($category->term_id == $_current_category->parent) )
+ $class .= ' current-cat-parent';
+ $output .= ' class="'.$class.'"';
+ $output .= ">$link\n";
+ } else {
+ $output .= "\t$link<br />\n";
+ }
+ }
- // If req_uri is empty or if it is a request for ourself, unset error.
- if ( empty($request) || $req_uri == $self || strstr($_SERVER['PHP_SELF'], 'wp-admin/') ) {
- if (isset($_GET['error']))
- unset($_GET['error']);
+ /**
+ * @see Walker::end_el()
+ * @since 2.1.0
+ *
+ * @param string $output Passed by reference. Used to append additional content.
+ * @param object $page Not used.
+ * @param int $depth Depth of category. Not used.
+ * @param array $args Only uses 'list' for whether should append to output.
+ */
+ function end_el(&$output, $page, $depth, $args) {
+ if ( 'list' != $args['style'] )
+ return;
- if (isset($error))
- unset($error);
-
- if ( isset($query_vars) && strstr($_SERVER['PHP_SELF'], 'wp-admin/') )
- unset($query_vars);
-
- $this->did_permalink = false;
- }
- }
+ $output .= "</li>\n";
+ }
- $this->public_query_vars = apply_filters('query_vars', $this->public_query_vars);
+}
- for ($i=0; $i<count($this->public_query_vars); $i += 1) {
- $wpvar = $this->public_query_vars[$i];
- if (isset($extra_query_vars[$wpvar]))
- $this->query_vars[$wpvar] = $extra_query_vars[$wpvar];
- elseif (isset($GLOBALS[$wpvar]))
- $this->query_vars[$wpvar] = $GLOBALS[$wpvar];
- elseif (!empty($_POST[$wpvar]))
- $this->query_vars[$wpvar] = $_POST[$wpvar];
- elseif (!empty($_GET[$wpvar]))
- $this->query_vars[$wpvar] = $_GET[$wpvar];
- elseif (!empty($query_vars[$wpvar]))
- $this->query_vars[$wpvar] = $query_vars[$wpvar];
- else
- $this->query_vars[$wpvar] = '';
- }
+/**
+ * Create HTML dropdown list of Categories.
+ *
+ * @package WordPress
+ * @since 2.1.0
+ * @uses Walker
+ */
+class Walker_CategoryDropdown extends Walker {
+ /**
+ * @see Walker::$tree_type
+ * @since 2.1.0
+ * @var string
+ */
+ var $tree_type = 'category';
- if ( isset($error) )
- $this->query_vars['error'] = $error;
+ /**
+ * @see Walker::$db_fields
+ * @since 2.1.0
+ * @todo Decouple this
+ * @var array
+ */
+ var $db_fields = array ('parent' => 'parent', 'id' => 'term_id');
+
+ /**
+ * @see Walker::start_el()
+ * @since 2.1.0
+ *
+ * @param string $output Passed by reference. Used to append additional content.
+ * @param object $category Category data object.
+ * @param int $depth Depth of category. Used for padding.
+ * @param array $args Uses 'selected', 'show_count', and 'show_last_update' keys, if they exist.
+ */
+ function start_el(&$output, $category, $depth, $args) {
+ $pad = str_repeat(' ', $depth * 3);
+
+ $cat_name = apply_filters('list_cats', $category->name, $category);
+ $output .= "\t<option class=\"level-$depth\" value=\"".$category->term_id."\"";
+ if ( $category->term_id == $args['selected'] )
+ $output .= ' selected="selected"';
+ $output .= '>';
+ $output .= $pad.$cat_name;
+ if ( $args['show_count'] )
+ $output .= ' ('. $category->count .')';
+ if ( $args['show_last_update'] ) {
+ $format = 'Y-m-d';
+ $output .= ' ' . gmdate($format, $category->last_update_timestamp);
+ }
+ $output .= "</option>\n";
}
+}
- function send_headers() {
- global $current_user;
- @header('X-Pingback: '. get_bloginfo('pingback_url'));
- if ( is_user_logged_in() )
- nocache_headers();
- if ( !empty($this->query_vars['error']) && '404' == $this->query_vars['error'] ) {
- status_header( 404 );
- } else if ( empty($this->query_vars['feed']) ) {
- @header('Content-type: ' . get_option('html_type') . '; charset=' . get_option('blog_charset'));
- } else {
- // We're showing a feed, so WP is indeed the only thing that last changed
- if ( $this->query_vars['withcomments'] )
- $wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastcommentmodified('GMT'), 0).' GMT';
- else
- $wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastpostmodified('GMT'), 0).' GMT';
- $wp_etag = '"' . md5($wp_last_modified) . '"';
- @header("Last-Modified: $wp_last_modified");
- @header("ETag: $wp_etag");
+/**
+ * Send XML response back to AJAX request.
+ *
+ * @package WordPress
+ * @since 2.1.0
+ */
+class WP_Ajax_Response {
+ /**
+ * Store XML responses to send.
+ *
+ * @since 2.1.0
+ * @var array
+ * @access private
+ */
+ var $responses = array();
+
+ /**
+ * PHP4 Constructor - Passes args to {@link WP_Ajax_Response::add()}.
+ *
+ * @since 2.1.0
+ * @see WP_Ajax_Response::add()
+ *
+ * @param string|array $args Optional. Will be passed to add() method.
+ * @return WP_Ajax_Response
+ */
+ function WP_Ajax_Response( $args = '' ) {
+ if ( !empty($args) )
+ $this->add($args);
+ }
- // Support for Conditional GET
- if (isset($_SERVER['HTTP_IF_NONE_MATCH'])) $client_etag = stripslashes($_SERVER['HTTP_IF_NONE_MATCH']);
- else $client_etag = false;
+ /**
+ * Append to XML response based on given arguments.
+ *
+ * The arguments that can be passed in the $args parameter are below. It is
+ * also possible to pass a WP_Error object in either the 'id' or 'data'
+ * argument. The parameter isn't actually optional, content should be given
+ * in order to send the correct response.
+ *
+ * 'what' argument is a string that is the XMLRPC response type.
+ * 'action' argument is a boolean or string that acts like a nonce.
+ * 'id' argument can be WP_Error or an integer.
+ * 'old_id' argument is false by default or an integer of the previous ID.
+ * 'position' argument is an integer or a string with -1 = top, 1 = bottom,
+ * html ID = after, -html ID = before.
+ * 'data' argument is a string with the content or message.
+ * 'supplemental' argument is an array of strings that will be children of
+ * the supplemental element.
+ *
+ * @since 2.1.0
+ *
+ * @param string|array $args Override defaults.
+ * @return string XML response.
+ */
+ function add( $args = '' ) {
+ $defaults = array(
+ 'what' => 'object', 'action' => false,
+ 'id' => '0', 'old_id' => false,
+ 'position' => 1,
+ 'data' => '', 'supplemental' => array()
+ );
+
+ $r = wp_parse_args( $args, $defaults );
+ extract( $r, EXTR_SKIP );
+ $position = preg_replace( '/[^a-z0-9:_-]/i', '', $position );
+
+ if ( is_wp_error($id) ) {
+ $data = $id;
+ $id = 0;
+ }
+
+ $response = '';
+ if ( is_wp_error($data) ) {
+ foreach ( (array) $data->get_error_codes() as $code ) {
+ $response .= "<wp_error code='$code'><![CDATA[" . $data->get_error_message($code) . "]]></wp_error>";
+ if ( !$error_data = $data->get_error_data($code) )
+ continue;
+ $class = '';
+ if ( is_object($error_data) ) {
+ $class = ' class="' . get_class($error_data) . '"';
+ $error_data = get_object_vars($error_data);
+ }
- $client_last_modified = trim( $_SERVER['HTTP_IF_MODIFIED_SINCE']);
- // If string is empty, return 0. If not, attempt to parse into a timestamp
- $client_modified_timestamp = $client_last_modified ? strtotime($client_last_modified) : 0;
+ $response .= "<wp_error_data code='$code'$class>";
- // Make a timestamp for our most recent modification...
- $wp_modified_timestamp = strtotime($wp_last_modified);
+ if ( is_scalar($error_data) ) {
+ $response .= "<![CDATA[$error_data]]>";
+ } elseif ( is_array($error_data) ) {
+ foreach ( $error_data as $k => $v )
+ $response .= "<$k><![CDATA[$v]]></$k>";
+ }
- if ( ($client_last_modified && $client_etag) ?
- (($client_modified_timestamp >= $wp_modified_timestamp) && ($client_etag == $wp_etag)) :
- (($client_modified_timestamp >= $wp_modified_timestamp) || ($client_etag == $wp_etag)) ) {
- status_header( 304 );
- exit;
+ $response .= "</wp_error_data>";
}
+ } else {
+ $response = "<response_data><![CDATA[$data]]></response_data>";
}
- }
-
- function build_query_string() {
- $this->query_string = '';
- foreach ($this->public_query_vars as $wpvar) {
- if (isset($this->query_vars[$wpvar]) && '' != $this->query_vars[$wpvar]) {
- $this->query_string .= (strlen($this->query_string) < 1) ? '' : '&';
- $this->query_string .= $wpvar . '=' . rawurlencode($this->query_vars[$wpvar]);
- }
+ $s = '';
+ if ( is_array($supplemental) ) {
+ foreach ( $supplemental as $k => $v )
+ $s .= "<$k><![CDATA[$v]]></$k>";
+ $s = "<supplemental>$s</supplemental>";
}
- foreach ($this->private_query_vars as $wpvar) {
- if (isset($GLOBALS[$wpvar]) && '' != $GLOBALS[$wpvar]) {
- $this->query_string .= (strlen($this->query_string) < 1) ? '' : '&';
- $this->query_string .= $wpvar . '=' . rawurlencode($GLOBALS[$wpvar]);
- }
- }
+ if ( false === $action )
+ $action = $_POST['action'];
+
+ $x = '';
+ $x .= "<response action='{$action}_$id'>"; // The action attribute in the xml output is formatted like a nonce action
+ $x .= "<$what id='$id' " . ( false === $old_id ? '' : "old_id='$old_id' " ) . "position='$position'>";
+ $x .= $response;
+ $x .= $s;
+ $x .= "</$what>";
+ $x .= "</response>";
- $this->query_string = apply_filters('query_string', $this->query_string);
+ $this->responses[] = $x;
+ return $x;
}
- function register_globals() {
- global $wp_query;
- // Extract updated query vars back into global namespace.
- foreach ($wp_query->query_vars as $key => $value) {
- $GLOBALS[$key] = $value;
- }
+ /**
+ * Display XML formatted responses.
+ *
+ * Sets the content type header to text/xml.
+ *
+ * @since 2.1.0
+ */
+ function send() {
+ header('Content-Type: text/xml');
+ echo "<?xml version='1.0' standalone='yes'?><wp_ajax>";
+ foreach ( (array) $this->responses as $response )
+ echo $response;
+ echo '</wp_ajax>';
+ die();
+ }
+}
- $GLOBALS['query_string'] = & $this->query_string;
- $GLOBALS['posts'] = & $wp_query->posts;
- $GLOBALS['post'] = & $wp_query->post;
- $GLOBALS['request'] = & $wp_query->request;
+/**
+ * Helper class to remove the need to use eval to replace $matches[] in query strings.
+ *
+ * @since 2.9.0
+ */
+class WP_MatchesMapRegex {
+ /**
+ * store for matches
+ *
+ * @access private
+ * @var array
+ */
+ var $_matches;
- if ( is_single() || is_page() ) {
- $GLOBALS['more'] = 1;
- $GLOBALS['single'] = 1;
- }
- }
+ /**
+ * store for mapping result
+ *
+ * @access public
+ * @var string
+ */
+ var $output;
- function init() {
- get_currentuserinfo();
- }
+ /**
+ * subject to perform mapping on (query string containing $matches[] references
+ *
+ * @access private
+ * @var string
+ */
+ var $_subject;
- function query_posts() {
- $this->build_query_string();
- query_posts($this->query_string);
- }
+ /**
+ * regexp pattern to match $matches[] references
+ *
+ * @var string
+ */
+ var $_pattern = '(\$matches\[[1-9]+[0-9]*\])'; // magic number
+
+ /**
+ * constructor
+ *
+ * @param string $subject subject if regex
+ * @param array $matches data to use in map
+ * @return self
+ */
+ function WP_MatchesMapRegex($subject, $matches) {
+ $this->_subject = $subject;
+ $this->_matches = $matches;
+ $this->output = $this->_map();
+ }
- function handle_404() {
- global $wp_query;
- // Issue a 404 if a permalink request doesn't match any posts. Don't
- // issue a 404 if one was already issued, if the request was a search,
- // or if the request was a regular query string request rather than a
- // permalink request.
- if ( (0 == count($wp_query->posts)) && !is_404() && !is_search() && ( $this->did_permalink || (!empty($_SERVER['QUERY_STRING']) && (false === strpos($_SERVER['REQUEST_URI'], '?'))) ) ) {
- $wp_query->set_404();
- status_header( 404 );
- } elseif( is_404() != true ) {
- status_header( 200 );
- }
+ /**
+ * Substitute substring matches in subject.
+ *
+ * static helper function to ease use
+ *
+ * @access public
+ * @param string $subject subject
+ * @param array $matches data used for subsitution
+ * @return string
+ */
+ function apply($subject, $matches) {
+ $oSelf =& new WP_MatchesMapRegex($subject, $matches);
+ return $oSelf->output;
}
- function main($query_args = '') {
- $this->init();
- $this->parse_request($query_args);
- $this->send_headers();
- $this->query_posts();
- $this->handle_404();
- $this->register_globals();
+ /**
+ * do the actual mapping
+ *
+ * @access private
+ * @return string
+ */
+ function _map() {
+ $callback = array(&$this, 'callback');
+ return preg_replace_callback($this->_pattern, $callback, $this->_subject);
}
- function WP() {
- // Empty.
+ /**
+ * preg_replace_callback hook
+ *
+ * @access public
+ * @param array $matches preg_replace regexp matches
+ * @return string
+ */
+ function callback($matches) {
+ $index = intval(substr($matches[0], 9, -1));
+ return ( isset( $this->_matches[$index] ) ? urlencode($this->_matches[$index]) : '' );
}
+
}
?>
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff