Initial Import

git-svn-id: http://svn.automattic.com/wordpress-mu/trunk@1 7be80a69-a1ef-0310-a953-fb0f7c49ff36

1 files changed, 1526 insertions, 0 deletions

diff --git a/wp-inst/wp-includes/classes.php b/wp-inst/wp-includes/classes.php
new file mode 100644
index 0000000..ca4c082
--- /dev/null
+++ b/wp-inst/wp-includes/classes.php
@@ -0,0 +1,1526 @@
+<?php
+
+class WP_Query {
+	var $query;
+	var $query_vars;
+	var $queried_object;
+	var $queried_object_id;
+
+	var $posts;
+	var $post_count = 0;
+	var $current_post = -1;
+	var $post;
+
+	var $is_single = 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;
+
+	function init () {
+		$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;
+		$this->is_admin = false;
+
+		unset($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;
+	}
+
+	// Reparse the query vars.
+	function parse_query_vars() {
+		$this->parse_query('');
+	}
+
+	// Parse a query string and set query type booleans.
+	function parse_query ($query) {
+		if ( !empty($query) || !isset($this->query) ) {
+			$this->init();
+			parse_str($query, $qv);
+			$this->query = $query;
+			$this->query_vars = $qv;
+		}
+
+		$qv['m'] =  (int) $qv['m'];
+		$qv['p'] =  (int) $qv['p'];
+
+		if ('' != $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;
+		} else {
+		// Look for archive queries.  Dates, categories, authors.
+
+			if ( (int) $qv['second']) {
+				$this->is_time = true;
+				$this->is_date = true;
+			}
+
+			if ( (int) $qv['minute']) {
+				$this->is_time = true;
+				$this->is_date = true;
+			}
+
+			if ( (int) $qv['hour']) {
+				$this->is_time = true;
+				$this->is_date = true;
+			}
+
+			if ( (int) $qv['day']) {
+				if (! $this->is_date) {
+					$this->is_day = true;
+					$this->is_date = true;
+				}
+			}
+
+			if ( (int)  $qv['monthnum']) {
+				if (! $this->is_date) {
+					$this->is_month = true;
+					$this->is_date = true;
+				}
+			}
+
+			if ( (int)  $qv['year']) {
+				if (! $this->is_date) {
+					$this->is_year = true;
+					$this->is_date = true;
+				}
+			}
+
+			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 ('' != $qv['w']) {
+				$this->is_date = true;
+			}
+
+			if (empty($qv['cat']) || ($qv['cat'] == '0')) {
+				$this->is_category = false;
+			} else {
+				if (stristr($qv['cat'],'-')) {
+					$this->is_category = false;
+				} else {
+					$this->is_category = true;
+				}
+			}
+
+			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 ('' != $qv['author_name']) {
+				$this->is_author = true;
+			}
+
+			if ( ($this->is_date || $this->is_author || $this->is_category)) {
+				$this->is_archive = true;
+			}
+		}
+
+		if ('' != $qv['feed']) {
+			$this->is_feed = true;
+		}
+
+		if ('' != $qv['tb']) {
+			$this->is_trackback = true;
+		}
+
+		if ('404' == $qv['error']) {
+			$this->is_404 = true;
+		}
+
+		if ('' != $qv['paged']) {
+			$this->is_paged = true;
+		}
+
+		if ('' != $qv['comments_popup']) {
+			$this->is_comments_popup = true;
+		}
+
+		if (strstr($_SERVER['PHP_SELF'], 'wp-admin/')) {
+			$this->is_admin = true;
+		}
+
+		if ( ! ($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(&$this));
+		}
+	}
+
+	function get($query_var) {
+		if (isset($this->query_vars[$query_var])) {
+			return $this->query_vars[$query_var];
+		}
+
+		return '';
+	}
+
+	function set($query_var, $value) {
+		$this->query_vars[$query_var] = $value;
+	}
+
+	function &get_posts() {
+		global $wpdb, $pagenow, $request, $user_ID;
+
+		// Shorthand.
+		$q = $this->query_vars;	
+
+		// First let's clear some variables
+		$whichcat = '';
+		$whichauthor = '';
+		$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');
+			$q['what_to_show'] = 'posts';
+		}
+
+		if (isset($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 ( (int) $q['hour'] ) {
+			$q['hour'] = '' . intval($q['hour']);
+			$where .= " AND HOUR(post_date)='" . $q['hour'] . "'";
+		}
+
+		if ( (int) $q['minute'] ) {
+			$q['minute'] = '' . intval($q['minute']);
+			$where .= " AND MINUTE(post_date)='" . $q['minute'] . "'";
+		}
+
+		if ( (int) $q['second'] ) {
+			$q['second'] = '' . intval($q['second']);
+			$where .= " AND SECOND(post_date)='" . $q['second'] . "'";
+		}
+
+		if ( (int) $q['year'] ) {
+			$q['year'] = '' . intval($q['year']);
+			$where .= " AND YEAR(post_date)='" . $q['year'] . "'";
+		}
+
+		if ( (int) $q['monthnum'] ) {
+			$q['monthnum'] = '' . intval($q['monthnum']);
+			$where .= " AND MONTH(post_date)='" . $q['monthnum'] . "'";
+		}
+
+		if ( (int) $q['day'] ) {
+			$q['day'] = '' . intval($q['day']);
+			$where .= " AND DAYOFMONTH(post_date)='" . $q['day'] . "'";
+		}
+
+		if ('' != $q['name']) {
+			$q['name'] = sanitize_title($q['name']);
+			$where .= " AND post_name = '" . $q['name'] . "'";
+		} else if ('' != $q['pagename']) {
+			$q['pagename'] = sanitize_title(basename(str_replace('%2F', '/', urlencode($q['pagename']))));
+			$q['name'] = $q['pagename'];
+			$where .= " AND post_name = '" . $q['pagename'] . "'";
+		}
+
+
+		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 post number is specified, load that post
+		if (($q['p'] != '') && intval($q['p']) != 0) {
+			$q['p'] =  (int) $q['p'];
+			$where = ' AND ID = ' . $q['p'];
+		}
+
+		if (($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 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'].$n.'\'))';
+			}
+		}
+
+		// Category stuff
+
+		if ((empty($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.
+			}
+		}
+
+		// Category stuff for nice URIs
+
+		if ('' != $q['category_name']) {
+			if (stristr($q['category_name'],'/')) {
+				$q['category_name'] = explode('/',$q['category_name']);
+				if ($q['category_name'][count($q['category_name'])-1]) {
+					$q['category_name'] = $q['category_name'][count($q['category_name'])-1]; // no trailing slash
+				} else {
+					$q['category_name'] = $q['category_name'][count($q['category_name'])-2]; // there was a trailling slash
+				}
+			}
+			$q['category_name'] = sanitize_title($q['category_name']);
+			$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_nicename = '" . $q['category_name'] . "'";
+			$q['cat'] = $wpdb->get_var("SELECT cat_ID FROM $wpdb->categories WHERE category_nicename = '" . $q['category_name'] . "'");
+			$whichcat .= get_category_children($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 .= ')';
+		}
+
+		// 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']).')';
+		}
+
+		$where .= $search.$whichcat.$whichauthor;
+
+		if ((empty($q['order'])) || ((strtoupper($q['order']) != 'ASC') && (strtoupper($q['order']) != 'DESC'))) {
+			$q['order']='DESC';
+		}
+
+		// Order by
+		if (empty($q['orderby'])) {
+			$q['orderby']='date '.$q['order'];
+		} else {
+			// Used to filter values
+			$allowed_keys = array('author','date','category','title');
+			$q['orderby'] = urldecode($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'];
+					}
+				}
+			}
+		}
+
+		$now = gmdate('Y-m-d H:i:59');
+
+		if ($pagenow != 'post.php' && $pagenow != 'edit.php') {
+			$where .= " AND post_date_gmt <= '$now'";
+			$distinct = 'DISTINCT';
+		}
+
+		if ($this->is_page) {
+			$where .= ' AND (post_status = "static")';
+		} elseif ($this->is_single) {
+			$where .= ' AND (post_status != "static")';
+		} else {
+			$where .= ' AND (post_status = "publish"';
+
+			if (isset($user_ID) && ('' != intval($user_ID)))
+				$where .= " OR post_author = $user_ID AND post_status != 'draft' AND post_status != 'static')";
+			else
+				$where .= ')';				
+		}
+
+		// 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', $join);
+
+		// Paging
+		if (empty($q['nopaging']) && ! $this->is_single) {
+			$page = $q['paged'];
+			if (empty($page)) {
+				$page = 1;
+			}
+
+			if (($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'";
+				}
+			}
+		}
+
+		// 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);
+		$where .= " GROUP BY $wpdb->posts.ID";
+		$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." ORDER BY " . $orderby . " $limits";
+
+		$this->posts = $wpdb->get_results($request);
+
+		// Check post status to determine if post should be displayed.
+		if ($this->is_single) {
+			if ('publish' != $this->posts[0]->post_status) {
+				if ( ! (isset($user_ID) && ('' != intval($user_ID))) ) {
+					// User must be logged in to view unpublished posts.
+					$this->posts = array();
+				} else {
+					if ('draft' == $this->posts[0]->post_status) {
+						// User must have edit permissions on the draft to preview.
+						if (! user_can_edit_post($user_ID, $this->posts[0]->ID))
+							$this->posts = array();
+					} elseif ('private' == $this->posts[0]->post_status) {
+						if ($this->posts[0]->post_author != $user_ID)
+							$this->posts = array();
+					}
+				}
+			}
+		}
+
+		$this->posts = apply_filters('the_posts', $this->posts);
+		$this->post_count = count($this->posts);
+		if ($this->post_count > 0) {
+			$this->post = $this->posts[0];
+		}
+
+		update_post_caches($this->posts);
+		
+		// Save any changes made to the query vars.
+		$this->query_vars = $q;
+		return $this->posts;
+	}
+
+	function next_post() {
+        
+		$this->current_post++;
+
+		$this->post = $this->posts[$this->current_post];
+		return $this->post;
+	}
+
+	function the_post() {
+		global $post;
+		$post = $this->next_post();
+		setup_postdata($post);
+	}
+
+	function have_posts() {
+		if ($this->current_post + 1 < $this->post_count) {
+			return true;
+		}
+
+		return false;
+	}
+
+	function rewind_posts() {
+		$this->current_post = -1;
+		if ($this->post_count > 0) {
+			$this->post = $this->posts[0];
+		}
+	}
+    
+	function &query($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) {
+			global $cache_userdata;
+			if (isset($cache_userdata[$this->get('author')])) {
+				$this->queried_object = $cache_userdata[$this->get('author')];
+				$this->queried_object_id = $this->get('author');
+			}
+		}
+
+		return $this->queried_object;
+	}
+
+	function get_queried_object_id() {
+		$this->get_queried_object();
+
+		if (isset($this->queried_object_id)) {
+			return $this->queried_object_id;
+		}
+
+		return 0;
+	}
+
+	function WP_Query ($query = '') {
+		if (! empty($query)) {
+			$this->query($query);
+		}
+	}
+}
+
+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
+
+	function move_spam( $id_list ) {
+		global $wpdb;
+		$cnt = 0;
+		$id_list = explode( ',', $id_list );
+
+		foreach ( $id_list as $comment ) {
+			if ( $wpdb->query("update $wpdb->comments set comment_approved = '0' where comment_ID = '$comment'") ) {
+				$cnt++;
+			}
+		}
+		echo "<div class='updated'><p>$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 ) {
+					if ( empty( $word ) )
+						continue;
+					$fulltext = strtolower($comment->email.' '.$comment->url.' '.$comment->ip.' '.$comment->text);
+					if( strpos( $fulltext, strtolower(trim($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] );
+			$body .= '<p><a href="options-discussion.php?action=retrospam&amp;move=true&amp;ids='.$id_list.'">'. __('Move suspect comments to moderation queue &raquo;') . '</a></p>';
+
+		}
+		$head = '<div class="wrap"><h2>' . __('Check Comments Results:') . '</h2>';
+
+		$foot .= '<p><a href="options-discussion.php">' . __('&laquo; Return to Discussion Options page.') . '</a></p></div>';
+		
+		return $head . $body . $foot;
+	} 	// End function display_edit_form
+
+}
+
+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;
+	}					
+
+	function using_index_permalinks() {
+    if (empty($this->permalink_structure)) {
+			return false;
+    }
+
+    // If the index is not in the permalink, we're using mod_rewrite.
+    if (preg_match('#^/*' . $this->index . '#', $this->permalink_structure)) {
+      return true;
+    }
+    
+    return false;
+	}
+
+	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 . '['; 
+			$match_suffix = ']';
+    }        
+    
+    return "$match_prefix$number$match_suffix";        
+	}
+
+	function page_rewrite_rules() {
+		$uris = get_settings('page_uris');
+
+		$rewrite_rules = array();
+		$page_structure = $this->get_page_permastruct();
+		if( is_array( $uris ) )
+			{
+				foreach ($uris as $uri => $pagename) {
+					$this->add_rewrite_tag('%pagename%', "($uri)", 'pagename=');
+					$rewrite_rules += $this->generate_rewrite_rules($page_structure);
+				}
+			}
+
+		return $rewrite_rules;
+	}
+
+	function get_date_permastruct() {
+		if (isset($this->date_structure)) {
+			return $this->date_structure;
+		}
+
+    if (empty($this->permalink_structure)) {
+			$this->date_structure = '';
+			return false;
+		}
+		
+		// The date permalink must have year, month, and day separated by slashes.
+		$endians = array('%year%/%monthnum%/%day%', '%day%/%monthnum%/%year%', '%monthnum%/%day%/%year%');
+
+		$this->date_structure = '';
+		$date_endian = '';
+
+		foreach ($endians as $endian) {
+			if (false !== strpos($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;
+			}
+		}
+
+		$this->date_structure = $front . $date_endian;
+
+		return $this->date_structure;
+	}
+
+	function get_year_permastruct() {
+		$structure = $this->get_date_permastruct($permalink_structure);
+
+		if (empty($structure)) {
+			return false;
+		}
+
+		$structure = str_replace('%monthnum%', '', $structure);
+		$structure = str_replace('%day%', '', $structure);
+
+		$structure = preg_replace('#/+#', '/', $structure);
+
+		return $structure;
+	}
+
+	function get_month_permastruct() {
+		$structure = $this->get_date_permastruct($permalink_structure);
+
+		if (empty($structure)) {
+			return false;
+		}
+
+		$structure = str_replace('%day%', '', $structure);
+
+		$structure = preg_replace('#/+#', '/', $structure);
+
+		return $structure;
+	}
+
+	function get_day_permastruct() {
+		return $this->get_date_permastruct($permalink_structure);
+	}
+
+	function get_category_permastruct() {
+		if (isset($this->category_structure)) {
+			return $this->category_structure;
+		}
+
+    if (empty($this->permalink_structure)) {
+			$this->category_structure = '';
+			return false;
+		}
+
+		if (empty($this->category_base))
+			$this->category_structure = $this->front . 'category/';
+		else
+			$this->category_structure = $this->category_base . '/';
+
+		$this->category_structure .= '%category%';
+		
+		return $this->category_structure;
+	}
+
+	function get_author_permastruct() {
+		if (isset($this->author_structure)) {
+			return $this->author_structure;
+		}
+
+    if (empty($this->permalink_structure)) {
+			$this->author_structure = '';
+			return false;
+		}
+
+		$this->author_structure = $this->front . $this->author_base . '/%author%';
+
+		return $this->author_structure;
+	}
+
+	function get_search_permastruct() {
+		if (isset($this->search_structure)) {
+			return $this->search_structure;
+		}
+
+    if (empty($this->permalink_structure)) {
+			$this->search_structure = '';
+			return false;
+		}
+
+		$this->search_structure = $this->root . $this->search_base . '/%search%';
+
+		return $this->search_structure;
+	}
+
+	function get_page_permastruct() {
+		if (isset($this->page_structure)) {
+			return $this->page_structure;
+		}
+
+    if (empty($this->permalink_structure)) {
+			$this->page_structure = '';
+			return false;
+		}
+
+		$this->page_structure = $this->root . '%pagename%';
+
+		return $this->page_structure;
+	}
+
+	function get_feed_permastruct() {
+		if (isset($this->feed_structure)) {
+			return $this->feed_structure;
+		}
+
+    if (empty($this->permalink_structure)) {
+			$this->feed_structure = '';
+			return false;
+		}
+
+		$this->feed_structure = $this->root . $this->feed_base . '/%feed%';
+
+		return $this->feed_structure;
+	}
+
+	function get_comment_feed_permastruct() {
+		if (isset($this->comment_feed_structure)) {
+			return $this->comment_feed_structure;
+		}
+
+    if (empty($this->permalink_structure)) {
+			$this->comment_feed_structure = '';
+			return false;
+		}
+
+		$this->comment_feed_structure = $this->root . $this->comments_base . '/' . $this->feed_base . '/%feed%';
+
+		return $this->comment_feed_structure;
+	}
+
+	function add_rewrite_tag($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;			
+		} else {
+			$this->rewritecode[] = $tag;
+			$this->rewritereplace[] = $pattern;
+			$this->queryreplace[] = $query;
+		}
+	}
+
+	function generate_rewrite_rules($permalink_structure, $page = 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] . '&';
+			}
+             
+			$query_token = str_replace($this->rewritecode, $this->queryreplace, $tokens[0][$i]) . $this->preg_index($i+1);
+			$queries[$i] .= $query_token;
+		}
+
+		$structure = $permalink_structure;
+		if ($front != '/') {
+			$structure = str_replace($front, '', $structure);
+		}
+		$structure = trim($structure, '/');
+		if ($walk_dirs) {
+			$dirs = explode('/', $structure);
+		} else {
+			$dirs[] = $structure;
+		}
+		$num_dirs = count($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];
+
+			$pagematch = $match . $pageregex;
+			$pagequery = $index . '?' . $query . '&paged=' . $this->preg_index($num_toks + 1);
+
+			$feedmatch = $match . $feedregex;
+			$feedquery = $feedindex . '?' . $query . '&feed=' . $this->preg_index($num_toks + 1);
+
+			$feedmatch2 = $match . $feedregex2;
+			$feedquery2 = $feedindex . '?' . $query . '&feed=' . $this->preg_index($num_toks + 1);
+
+			if ($forcomments) {
+				$feedquery .= '&withcomments=1';
+				$feedquery2 .= '&withcomments=1';
+			}
+
+			$rewrite = array();
+			if ($feed) 
+				$rewrite = array($feedmatch => $feedquery, $feedmatch2 => $feedquery2);
+			if ($page)
+				$rewrite = $rewrite + array($pagematch => $pagequery);
+
+			if ($num_toks) {
+				$post = 0;
+				if (strstr($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 = 1;
+					$trackbackmatch = $match . $trackbackregex;
+					$trackbackquery = $trackbackindex . '?' . $query . '&tb=1';
+					$match = rtrim($match, '/');
+					$match = $match . '(/[0-9]+)?/?$';
+					$query = $index . '?' . $query . '&page=' . $this->preg_index($num_toks + 1);
+				} else {
+					$match .= '?$';
+					$query = $index . '?' . $query;
+				}
+				        
+				$rewrite = $rewrite + array($match => $query);
+
+				if ($post) {
+					$rewrite = array($trackbackmatch => $trackbackquery) + $rewrite;
+				}
+			}
+
+			$post_rewrite = $rewrite + $post_rewrite;
+		}
+
+		return $post_rewrite;
+	}
+
+	function generate_rewrite_rule($permalink_structure, $walk_dirs = false) {
+		return $this->generate_rewrite_rules($permalink_structure, false, false, false, $walk_dirs);
+	}
+
+	/* 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;
+		}
+
+		// Post
+		$post_rewrite = $this->generate_rewrite_rules($this->permalink_structure);
+		$post_rewrite = apply_filters('post_rewrite_rules', $post_rewrite);
+
+		// 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);
+
+		// Comments
+		$comments_rewrite = $this->generate_rewrite_rules($this->root . $this->comments_base, true, true, true);
+		$comments_rewrite = apply_filters('comments_rewrite_rules', $comments_rewrite);
+
+		// Search
+		$search_structure = $this->get_search_permastruct();
+		$search_rewrite = $this->generate_rewrite_rules($search_structure);
+		$search_rewrite = apply_filters('search_rewrite_rules', $search_rewrite);
+
+		// Categories
+		$category_rewrite = $this->generate_rewrite_rules($this->get_category_permastruct());
+		$category_rewrite = apply_filters('category_rewrite_rules', $category_rewrite);
+
+		// Authors
+		$author_rewrite = $this->generate_rewrite_rules($this->get_author_permastruct());
+		$author_rewrite = apply_filters('author_rewrite_rules', $author_rewrite);
+
+		// Pages
+		$page_rewrite = $this->page_rewrite_rules();
+		$page_rewrite = apply_filters('page_rewrite_rules', $page_rewrite);
+
+		// Put them together.
+		$this->rules = $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);
+		return $this->rules;
+	}
+
+	function wp_rewrite_rules() {
+		$this->matches = 'matches';
+		return $this->rewrite_rules();
+	}
+
+	function mod_rewrite_rules() {
+		if ( ! $this->using_permalinks()) {
+			return '';
+		}
+
+		$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}\n";
+		}
+
+		$rules .= "</IfModule>\n";
+
+		$rules = apply_filters('mod_rewrite_rules', $rules);
+		$rules = apply_filters('rewrite_rules', $rules);  // Deprecated
+
+		return $rules;
+	}
+
+	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 . '/';
+		}
+		$this->category_base = get_settings('category_base');
+		unset($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);
+			$this->init();
+		}
+	}
+
+	function set_category_base($category_base) {
+		if ($category_base != $this->category_base) {
+			update_option('category_base', $category_base);
+			$this->init();
+		}
+	}
+
+	function WP_Rewrite() {
+		$this->init();
+	}
+}
+
+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');
+
+	var $private_query_vars = array('posts_per_page', 'posts_per_archive_page', 'what_to_show', 'showposts', 'nopaging');
+
+	var $query_vars;
+	var $query_string;
+	var $did_permalink = false;
+
+	function parse_request($extra_query_vars = '') {
+		global $wp_rewrite;
+
+		$this->query_vars = array();
+
+		if (! empty($extra_query_vars))
+			parse_str($extra_query_vars, $extra_query_vars);
+
+		// Process PATH_INFO, REQUEST_URI, and 404 for permalinks.
+		if ((isset($_GET['error']) && $_GET['error'] == '404') ||
+				((! empty($_SERVER['PATH_INFO'])) &&
+				 ('/' != $_SERVER['PATH_INFO']) &&
+				 (false === strpos($_SERVER['PATH_INFO'], '.php'))
+				 ) ||
+				(empty($_SERVER['QUERY_STRING']) &&
+				 (false === strpos($_SERVER['REQUEST_URI'], '.php')) &&
+				 ('/' != $_SERVER['REQUEST_URI']))
+				) {
+
+			$this->did_permalink = true;
+
+			// If we match a rewrite rule, this will be cleared.
+			$error = '404';
+
+			// Fetch the rewrite rules.
+			$rewrite = $wp_rewrite->wp_rewrite_rules();
+
+			if (! empty($rewrite)) {
+				$pathinfo = $_SERVER['PATH_INFO'];
+				$req_uri = $_SERVER['REQUEST_URI'];      
+				$home_path = parse_url(get_settings('home'));
+				$home_path = $home_path['path'];
+
+				// 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);
+				$req_uri = str_replace($home_path, '', $req_uri);
+				$req_uri = trim($req_uri, '/');
+				$pathinfo = trim($pathinfo, '/');
+
+				// The requested permalink is in $pathinfo for path info requests and
+				//  $req_uri for other requests.
+				if (! empty($pathinfo)) {
+					$request = $pathinfo;
+				} else {
+					$request = $req_uri;
+				}
+
+				// 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)) {
+						$request_match = $req_uri . '/' . $request;
+					}
+
+					if (preg_match("!^$match!", $request_match, $matches)) {
+						// Got a match.
+						// Trim the query of everything up to the '?'.
+						$query = preg_replace("!^.+\?!", '', $query);
+
+						// Substitute the substring matches into the query.
+						eval("\$query = \"$query\";");
+
+						// Parse the query.
+						parse_str($query, $query_vars);
+
+						// If we're processing a 404 request, clear the error var
+						// since we found something.
+						if (isset($_GET['error'])) {
+							unset($_GET['error']);
+						}
+
+						if (isset($error)) {
+							unset($error);
+						}
+
+						break;
+					}
+				}
+			}
+		}
+
+		$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] = '';
+		}
+	}
+
+	function send_headers() {
+		@header('X-Pingback: '. get_bloginfo('pingback_url'));
+		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: $wp_etag");
+
+			// Support for Conditional GET
+			if (isset($_SERVER['HTTP_IF_NONE_MATCH'])) $client_etag = stripslashes($_SERVER['HTTP_IF_NONE_MATCH']);
+			else $client_etag = false;
+
+			$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;
+
+			// Make a timestamp for our most recent modification...	
+			$wp_modified_timestamp = strtotime($wp_last_modified);
+
+			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;
+			}
+		}
+	}
+
+	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[$wpvar]);
+			}
+		}
+
+		foreach ($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]);
+			}
+		}
+
+		$this->query_string = apply_filters('query_string', $this->query_string);
+	}
+
+	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;
+		}
+
+		$GLOBALS['query_string'] = & $this->query_string;
+		$GLOBALS['posts'] = & $wp_query->posts;
+		$GLOBALS['post'] = & $wp_query->post;
+
+		if ( is_single() || is_page() ) {
+			$GLOBALS['more'] = 1;
+			$GLOBALS['single'] = 1;
+		}
+	}
+
+	function prime_caches() {
+		update_category_cache();
+		get_currentuserinfo();
+	}
+
+	function query_posts() {
+		$this->build_query_string();
+		query_posts($this->query_string);
+ 	}
+
+	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'], '?'))) ) ) {
+			$wp_query->is_404 = true;
+			status_header( 404 );
+		}	else {
+			status_header( 200 );
+		}
+	}
+
+	function main($query_args = '') {
+		$this->parse_request($query_args);
+		$this->send_headers();
+		$this->prime_caches();
+		$this->query_posts();
+		$this->handle_404();
+		$this->register_globals();
+	}
+
+	function WP() {
+		// Empty.
+	}
+}
+
+?>
\ No newline at end of file