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404 permalink handler.
git-svn-id: http://svn.automattic.com/wordpress/trunk@1570 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@ -8,34 +8,48 @@ require_once( dirname(__FILE__) . '/wp-config.php');
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require_once( dirname(__FILE__) . '/wp-includes/wp-l10n.php');
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// Process PATH_INFO, if set.
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$path_info = array();
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if ( !empty( $_SERVER['PATH_INFO'] ) ) {
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$query_vars = array();
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// Process PATH_INFO and 404.
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if ((isset($_GET['error']) && $_GET['error'] == '404') ||
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(! empty( $_SERVER['PATH_INFO']))) {
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// Fetch the rewrite rules.
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$rewrite = rewrite_rules('matches');
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$pathinfo = $_SERVER['PATH_INFO'];
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// Trim leading '/'.
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$pathinfo = preg_replace('!^/!', '', $pathinfo);
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if (! empty($rewrite)) {
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// Get the name of the file requesting path info.
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$req_uri = $_SERVER['REQUEST_URI'];
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$pathinfo = $_SERVER['PATH_INFO'];
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$req_uri = $_SERVER['REQUEST_URI'];
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$home_path = parse_url(get_settings('home'));
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$home_path = $home_path['path'];
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// Trim path info from the end and the leading home path from the
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// front. For path info requests, this leaves us with the requesting
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// filename, if any. For 404 requests, this leaves us with the
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// requested permalink.
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$req_uri = str_replace($pathinfo, '', $req_uri);
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$req_uri = preg_replace("!/+$!", '', $req_uri);
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$req_uri = explode('/', $req_uri);
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$req_uri = $req_uri[count($req_uri)-1];
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$req_uri = str_replace($home_path, '', $req_uri);
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$req_uri = trim($req_uri, '/');
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$pathinfo = trim($pathinfo, '/');
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// The requested permalink is in $pathinfo for path info requests and
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// $req_uri for other requests.
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if (! empty($pathinfo)) {
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$request = $pathinfo;
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} else {
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$request = $req_uri;
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}
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// Look for matches.
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$pathinfomatch = $pathinfo;
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$request_match = $request;
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foreach ($rewrite as $match => $query) {
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// If the request URI is the anchor of the match, prepend it
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// If the requesting file is the anchor of the match, prepend it
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// to the path info.
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if ((! empty($req_uri)) && (strpos($match, $req_uri) === 0)) {
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$pathinfomatch = $req_uri . '/' . $pathinfo;
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}
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if ((! empty($req_uri)) && (strpos($match, $req_uri) === 0)) {
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$request_match = $req_uri . '/' . $request;
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}
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if (preg_match("!^$match!", $pathinfomatch, $matches)) {
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if (preg_match("!^$match!", $request_match, $matches)) {
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// Got a match.
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// Trim the query of everything up to the '?'.
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$query = preg_replace("!^.+\?!", '', $query);
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@ -44,25 +58,32 @@ if ( !empty( $_SERVER['PATH_INFO'] ) ) {
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eval("\$query = \"$query\";");
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// Parse the query.
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parse_str($query, $path_info);
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parse_str($query, $query_vars);
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// If we're processing a 404 request, clear the error var
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// since we found something.
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if (isset($_GET['error'])) {
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unset($_GET['error']);
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}
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break;
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}
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}
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}
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}
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}
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$wpvarstoreset = array('m','p','posts','w', 'cat','withcomments','s','search','exact', 'sentence','poststart','postend','preview','debug', 'calendar','page','paged','more','tb', 'pb','author','order','orderby', 'year', 'monthnum', 'day', 'hour', 'minute', 'second', 'name', 'category_name', 'feed', 'author_name', 'static', 'pagename');
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$wpvarstoreset = array('m','p','posts','w', 'cat','withcomments','s','search','exact', 'sentence','poststart','postend','preview','debug', 'calendar','page','paged','more','tb', 'pb','author','order','orderby', 'year', 'monthnum', 'day', 'hour', 'minute', 'second', 'name', 'category_name', 'feed', 'author_name', 'static', 'pagename', 'error');
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for ($i=0; $i<count($wpvarstoreset); $i += 1) {
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$wpvar = $wpvarstoreset[$i];
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if (!isset($$wpvar)) {
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if (empty($_POST[$wpvar])) {
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if (empty($_GET[$wpvar]) && empty($path_info[$wpvar])) {
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if (empty($_GET[$wpvar]) && empty($query_vars[$wpvar])) {
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$$wpvar = '';
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} elseif (!empty($_GET[$wpvar])) {
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$$wpvar = $_GET[$wpvar];
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} else {
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$$wpvar = $path_info[$wpvar];
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$$wpvar = $query_vars[$wpvar];
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}
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} else {
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$$wpvar = $_POST[$wpvar];
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@ -199,6 +220,11 @@ if (is_single() && (! isset($wp_did_single)) &&
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$wp_did_search = true;
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include(ABSPATH . 'wp-content/search.php');
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exit;
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} else if (is_404() && (! isset($wp_did_404)) &&
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file_exists(ABSPATH . 'wp-content/404.php')) {
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$wp_did_404 = true;
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include(ABSPATH . 'wp-content/404.php');
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exit;
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} else if (is_feed() && $pagenow != 'wp-feed.php') {
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include(dirname(__FILE__) . '/wp-feed.php');
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exit;
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@ -22,6 +22,7 @@ class WP_Query {
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var $is_search = false;
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var $is_feed = false;
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var $is_home = false;
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var $is_404 = false;
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function init () {
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$this->is_single = false;
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@ -37,6 +38,7 @@ class WP_Query {
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$this->is_search = false;
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$this->is_feed = false;
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$this->is_home = false;
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$this->is_404 = false;
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unset($this->posts);
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unset($this->query);
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@ -160,12 +162,16 @@ class WP_Query {
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$this->is_page = true;
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}
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if ('' != $qv['error'] || '404' == $qv['pagename']) {
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$this->is_404 = true;
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}
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if ( ($this->is_date || $this->is_author || $this->is_category)
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&& (! ($this->is_single || $this->is_page)) ) {
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$this->is_archive = true;
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}
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if ( ! ($this->is_archive || $this->is_single || $this->is_page || $this->is_search || $this->is_feed)) {
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if ( ! ($this->is_archive || $this->is_single || $this->is_page || $this->is_search || $this->is_feed || $this->is_404)) {
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$this->is_home = true;
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}
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}
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@ -1662,6 +1662,12 @@ function is_home () {
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return $wp_query->is_home;
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}
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function is_404 () {
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global $wp_query;
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return $wp_query->is_404;
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}
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function get_query_var($var) {
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global $wp_query;
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