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826ecd2bcd
WordPress/wp-includes/classes.php
rboren 6a11fa21a2 Load comments-popup template through the index. 
git-svn-id: http://svn.automattic.com/wordpress/trunk@2332 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2005-02-14 09:17:23 +00:00

1271 lines
36 KiB
PHP
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<?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');
$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"';
} else {
$where .= ' AND (post_status = "publish"';
}
// Get private posts
if (isset($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);
$request = " SELECT $distinct * FROM $wpdb->posts $join WHERE 1=1".$where." ORDER BY post_" . $q['orderby'] . " $limits";
if ($q['preview']) {
$request = 'SELECT 1-1'; // dummy mysql query for the preview
// little funky fix for IEwin, rawk on that code
$is_winIE = ((preg_match('/MSIE/',$HTTP_USER_AGENT)) && (preg_match('/Win/',$HTTP_USER_AGENT)));
if (($is_winIE) && (!isset($IEWin_bookmarklet_fix))) {
$preview_content = preg_replace('/\%u([0-9A-F]{4,4})/e', "'&#'.base_convert('\\1',16,10).';'", $preview_content);
}
}
$this->posts = $wpdb->get_results($request);
$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) {
global $cache_categories;
if (isset($cache_categories[$this->get('cat')])) {
$this->queried_object = $cache_categories[$this->get('cat')];
$this->queried_object_id = $this->get('cat');
}
} else if ($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);
}
}
}
// Make a global instance.
if (! isset($wp_query)) {
$wp_query = new WP_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 $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%');
$this->date_structure = '';
foreach ($endians as $endian) {
if (false !== strpos($this->permalink_structure, $endian)) {
$this->date_structure = $this->front . $endian;
break;
}
}
// 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 = $this->front;
if ( false !== strpos($this->permalink_structure, $this->front . '%post_id%') )
$front = $front . 'date/';
if (empty($this->date_structure)) {
$this->date_structure = $front . '%year%/%monthnum%/%day%';
}
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) {
$feedregex2 .= $feed . '|';
}
$feedregex2 = '(' . trim($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 = $match . '?([0-9]+)?/?$';
$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";
$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";
}
}
$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() {
$this->init();
}
}
// Make a global instance.
if (! isset($wp_rewrite)) {
$wp_rewrite = new WP_Rewrite();
}
?>
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