mirror of
https://github.com/WordPress/WordPress.git
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24865d57a0
git-svn-id: http://svn.automattic.com/wordpress/trunk@2512 1a063a9b-81f0-0310-95a4-ce76da25c4cd
259 lines
8.2 KiB
PHP
259 lines
8.2 KiB
PHP
<?php
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if (! isset($wp_did_header)):
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if ( !file_exists( dirname(__FILE__) . '/wp-config.php') ) {
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if ( strstr( $_SERVER['PHP_SELF'], 'wp-admin') ) $path = '';
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else $path = 'wp-admin/';
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die("There doesn't seem to be a <code>wp-config.php</code> file. I need this before we can get started. Need more help? <a href='http://wordpress.org/docs/faq/#wp-config'>We got it</a>. You can <a href='{$path}setup-config.php'>create a <code>wp-config.php</code> file through a web interface</a>, but this doesn't work for all server setups. The safest way is to manually create the file.");
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}
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$wp_did_header = true;
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require_once( dirname(__FILE__) . '/wp-config.php');
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$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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('/' != $_SERVER['PATH_INFO']) &&
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(false === strpos($_SERVER['PATH_INFO'], '.php'))
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)) {
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// If we match a rewrite rule, this will be cleared.
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$error = '404';
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// Fetch the rewrite rules.
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$rewrite = $wp_rewrite->wp_rewrite_rules();
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if (! empty($rewrite)) {
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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 = 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 = $req_uri;
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}
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// Look for matches.
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$request_match = $request;
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foreach ($rewrite as $match => $query) {
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// If the requesting file is the anchor of the match, prepend it
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// to the path info.
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if ((! empty($req_uri)) && (strpos($match, $req_uri) === 0)) {
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$request_match = $req_uri . '/' . $request;
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}
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if (preg_match("!^$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("!^.+\?!", '', $query);
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// Substitute the substring matches into the query.
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eval("\$query = \"$query\";");
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// Parse the query.
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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($_GET['error']);
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}
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if (isset($error)) {
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unset($error);
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}
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break;
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}
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}
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}
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}
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$wpvarstoreset = array('m','p','posts','w', 'cat','withcomments','s','search','exact', 'sentence','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', 'page_id', 'error', 'comments_popup');
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$wpvarstoreset = apply_filters('query_vars', $wpvarstoreset);
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for ($i=0; $i<count($wpvarstoreset); $i += 1) {
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$wpvar = $wpvarstoreset[$i];
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if (!isset($$wpvar)) {
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if (empty($_POST[$wpvar])) {
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if (empty($_GET[$wpvar]) && empty($query_vars[$wpvar])) {
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$$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 = $query_vars[$wpvar];
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}
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} else {
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$$wpvar = $_POST[$wpvar];
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}
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}
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}
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// Sending HTTP headers
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if ( !empty($error) && '404' == $error ) {
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if ( preg_match('/cgi/', php_sapi_name()) )
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@header('Status: 404 Not Found');
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else
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@header('HTTP/1.x 404 Not Found');
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} else if ( empty($feed) ) {
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@header('X-Pingback: '. get_bloginfo('pingback_url'));
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@header('Content-type: ' . get_option('html_type') . '; charset=' . get_option('blog_charset'));
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} else {
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// We're showing a feed, so WP is indeed the only thing that last changed
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if ( $withcomments )
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$wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastcommentmodified('GMT'), 0).' GMT';
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else
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$wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastpostmodified('GMT'), 0).' GMT';
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$wp_etag = '"' . md5($wp_last_modified) . '"';
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@header("Last-Modified: $wp_last_modified");
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@header("ETag: $wp_etag");
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@header('X-Pingback: ' . get_bloginfo('pingback_url'));
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// Support for Conditional GET
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if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) $client_last_modified = $_SERVER['HTTP_IF_MODIFIED_SINCE'];
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else $client_last_modified = false;
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if (isset($_SERVER['HTTP_IF_NONE_MATCH'])) $client_etag = stripslashes($_SERVER['HTTP_IF_NONE_MATCH']);
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else $client_etag = false;
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if ( ($client_last_modified && $client_etag) ?
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(($client_last_modified == $wp_last_modified) && ($client_etag == $wp_etag)) :
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(($client_last_modified == $wp_last_modified) || ($client_etag == $wp_etag)) ) {
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if ( preg_match('/cgi/',php_sapi_name()) ) {
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header('Status: 304 Not Modified');
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echo "\r\n\r\n";
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exit;
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} else {
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if ( version_compare(phpversion(), '4.3.0', '>=') ) {
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header('Not Modified', TRUE, 304);
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} else {
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header('HTTP/1.x 304 Not Modified');
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}
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exit;
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}
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}
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}
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$use_gzipcompression = get_settings('gzipcompression');
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$more_wpvars = array('posts_per_page', 'posts_per_archive_page', 'what_to_show', 'showposts', 'nopaging');
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// Construct the query string.
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$query_string = '';
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foreach (array_merge($wpvarstoreset, $more_wpvars) as $wpvar) {
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if ($$wpvar != '') {
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$query_string .= (strlen($query_string) < 1) ? '' : '&';
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$query_string .= $wpvar . '=' . rawurlencode($$wpvar);
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}
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}
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$query_string = apply_filters('query_string', $query_string);
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update_category_cache();
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// Call query posts to do the work.
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$posts = & query_posts($query_string);
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// Extract updated query vars back into global namespace.
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extract($wp_query->query_vars);
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if ( is_single() || is_page() ) {
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$more = 1;
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$single = 1;
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}
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// Issue a 404 if a permalink request doesn't match any posts. Don't issue a
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// 404 if one was already issued, if the request was a search, or if the
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// request was a regular query string request rather than a permalink request.
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if ( (0 == count($posts)) && !is_404() && !is_search()
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&& ( isset($rewrite) || (!empty($_SERVER['QUERY_STRING']) &&
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(false === strpos($_SERVER['REQUEST_URI'], '?'))) ) ) {
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$wp_query->is_404 = true;
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if ( preg_match('/cgi/', php_sapi_name()) )
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@header('Status: 404 Not Found');
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else
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@header('HTTP/1.x 404 Not Found');
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}
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if ($pagenow != 'post.php' && $pagenow != 'edit.php') {
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if ( get_settings('gzipcompression') )
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gzip_compression();
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}
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// Template redirection
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if ( defined('WP_USE_THEMES') && constant('WP_USE_THEMES') ) {
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do_action('template_redirect');
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if ( is_feed() && empty($doing_rss) ) {
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include(ABSPATH . '/wp-feed.php');
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exit;
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} else if ( is_trackback() && empty($doing_trackback) ) {
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include(ABSPATH . '/wp-trackback.php');
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exit;
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} else if ( is_404() && get_404_template() ) {
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include(get_404_template());
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exit;
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} else if ( is_search() && get_search_template() ) {
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include(get_search_template());
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exit;
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} else if ( is_home() && get_home_template() ) {
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include(get_home_template());
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exit;
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} else if ( is_single() && get_single_template() ) {
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include(get_single_template());
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exit;
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} else if ( is_page() && get_page_template() ) {
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include(get_page_template());
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exit;
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} else if ( is_category() && get_category_template()) {
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include(get_category_template());
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exit;
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} else if ( is_author() && get_author_template() ) {
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include(get_author_template());
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exit;
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} else if ( is_date() && get_date_template() ) {
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include(get_date_template());
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exit;
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} else if ( is_archive() && get_archive_template() ) {
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include(get_archive_template());
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exit;
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} else if ( is_comments_popup() && get_comments_popup_template() ) {
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include(get_comments_popup_template());
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exit;
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} else if ( is_paged() && get_paged_template() ) {
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include(get_paged_template());
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exit;
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} else if ( file_exists(TEMPLATEPATH . "/index.php") ) {
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include(TEMPLATEPATH . "/index.php");
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exit;
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}
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} else {
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// Process feeds and trackbacks even if not using themes.
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if ( is_feed() && empty($doing_rss) ) {
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include(ABSPATH . '/wp-feed.php');
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exit;
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} else if ( is_trackback() && empty($doing_trackback) ) {
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include(ABSPATH . '/wp-trackback.php');
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exit;
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}
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}
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endif;
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?>
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